JP2023166990A - Fiber processed product and method for producing fiber processed product - Google Patents

Abstract

To provide a fiber treatment agent composition that can yield a fiber processed product that excels in water absorption, moisture absorption, and moisture desorption, has a pleasant touch, and also has excellent washing resistance, and to provide a fiber processed product, and a method for producing the fiber processed product.SOLUTION: A method for producing a fiber processed product includes a step of treating a fiber substrate with a predetermined fiber treatment agent composition, to yield the fiber processed product. The fiber treatment agent composition contains a fiber treatment agent and water. The fiber treatment agent contains sulfated polysaccharides. In the fiber treatment agent composition, the content of the sulfated polysaccharides is 0.001-5 mass%. The production method includes an attachment step for attaching the fiber treatment agent composition to the fiber substrate, and a drying step for removing water from the fiber substrate to which the fiber treatment agent composition has been applied. The production method further includes a step for providing a pretreated fiber substrate, a step for heating treatment within a temperature range of 80°C-260°C, and a step for heating treatment using high-temperature steam within a temperature range of 120°C or higher.SELECTED DRAWING: None

Description

The present invention relates to a processed fiber product and a method for manufacturing a processed fiber product.

In recent years, in order to impart functionality such as moisture retention to fibers, various functional agents have been attached to the surface of fibers or incorporated into the interior of fibers. For example, in Patent Document 1, in order to obtain rayon fibers with excellent hygroscopicity, water absorption, and quick drying properties, polysaccharide derived from Astragalus japonica is added at a ratio of 0.01 to 0.5 parts by mass of polysaccharide derived from Astragalus per 100 parts by mass of rayon. Body-containing rayon fibers have been proposed. It is reported that rayon fibers with excellent hygroscopicity, water absorption, and quick drying properties can be obtained.

JP 2019-11542 Publication

However, Patent Document 1 describes that a polysaccharide derived from Astragalus is dissolved in a rayon fiber raw material liquid and then spun. Since the fiber treatment agent is also contained inside the fiber, there is a problem in maintaining the original properties of the fiber and adding new properties such as hygroscopicity. In addition, for plant fibers other than rayon, animal fibers, synthetic fibers, etc., it is difficult to mix polysaccharides derived from Daffodils into the raw material solutions of various fibers or the fibers themselves, and there are problems in applying them to fibers other than rayon. there were.

The present invention has been made to solve the above problems, and by using a fiber treatment composition containing a sulfated polysaccharide, a processed fiber product with excellent water absorption, hygroscopicity and moisture release properties and a pleasant texture can be obtained. The purpose is to provide Furthermore, it is an object of the present invention to provide a processed fiber product that has, in addition to the above-mentioned properties, washing resistance that does not lose its functionality even after washing. Another object of the present invention is to provide a method for manufacturing textile processed products.

The content of the present disclosure includes the following embodiments [1] to [6].
[1] A method for producing a processed fiber product, comprising the step of treating a fiber base material using a fiber treatment agent composition to obtain a processed fiber product,
The fiber treatment agent composition includes a fiber treatment agent and water,
The fiber treatment agent contains a sulfated polysaccharide,
The content of the sulfated polysaccharide in the fiber treatment agent composition is 0.001 to 5% by mass,
The manufacturing method includes an adhesion step of adhering the fiber treatment agent composition to the fiber base material, and a drying step of removing water from the fiber base material coated with the fiber treatment agent composition,
A method for producing a processed fiber product, characterized by at least one selected from the group consisting of (I) to (III) below.
(I) before the adhesion step, further comprising a step of pretreating the fiber base material using a fiber pretreatment agent composition containing a cationic resin to obtain a pretreated fiber base material;
The attachment step is a step of attaching the fiber treatment agent composition to the pretreated fiber base material.
(II) The fiber treatment agent composition further contains a crosslinking agent, and the drying step includes a heat treatment step at a temperature range of 80°C to 260°C.
(III) The drying step includes a heat treatment step using high-temperature steam at a temperature range of 120° C. or higher.
[2] The method for producing a processed fiber product according to [1], wherein the sulfated polysaccharide is a sulfated polysaccharide originating from algae.
[3] The method for producing a processed fiber product according to [1] or [2], wherein the fiber treatment agent further contains a binder.
[4] The binder is at least one selected from the group consisting of urethane resin, acrylic resin, butadiene polymer, ethylene/vinyl acetate copolymer, natural rubber, silicone resin, and polyester resin, [ 3], the method for producing a processed fiber product.
[5] The method for producing a processed fiber product according to [3] or [4], wherein the content of the binder is 1 to 1,000 parts by mass based on 100 parts by mass of the sulfated polysaccharide.
[6] A processed fiber product produced using the method for producing a processed fiber product according to any one of [1] to [5],
A processed fiber product, wherein the amount of the fiber treatment agent attached to the fiber base material is 0.001 to 20.0 parts by mass based on 100 parts by mass of the fiber base material.

According to the present invention, it is possible to provide a processed fiber product that has excellent water absorption, hygroscopicity, and moisture release properties and is comfortable to the touch, and a method for producing the processed fiber product. Furthermore, the present invention provides a processed fiber product with washing resistance that does not reduce its functionality even when washed, and a method for producing the processed fiber product.

The present invention will be explained in more detail below. Note that the present invention is not limited only to the embodiments shown below.

"~" means a value greater than or equal to the value before the description "~" and less than or equal to the value after the description "~".

(textile processed products)
The fiber processed product according to this embodiment includes a fiber base material and a fiber treatment agent attached to the fiber base material. The fiber treatment agent includes a sulfated polysaccharide. The fiber base material does not contain rayon. The amount of the fiber treatment agent attached to the fiber base material is 0.001 to 20.0 parts by mass, or even 0.001 to 10.0 parts by mass, based on 100 parts by weight of the fiber base material. good. It is preferably 0.001 to 5.0 parts by mass, more preferably 0.001 to 1.0 parts by mass, even more preferably 0.003 to 0.5 parts by mass, and even more preferably 0.001 to 1.0 parts by mass. Most preferably, it is between .005 and 0.2 parts by weight. When the amount of the fiber treatment agent attached to the fiber base material is 0.001 parts by mass or more based on 100 parts by weight of the fiber base material, the fiber base material has water absorption, moisture retention, and moisture absorption due to the sulfated polysaccharide. It is preferable because it can sufficiently impart functionality such as moisture dissipation, antifouling properties, and antistatic properties, as well as washing resistance. When the amount is 20.0 parts by mass or less, the performance of the fiber base material itself is maintained, and the strength and texture of the fiber processed product obtained using the fiber treatment agent composition according to the present embodiment, which will be described later, are reduced. This is preferable because there is no such thing.

[Fiber treatment agent]
The fiber treatment agent according to the present embodiment is produced by applying the fiber treatment agent composition according to the present embodiment described later to the fiber base material using the manufacturing method (processing method) of a fiber processed product described below. The fiber treatment agent composition is attached to the surface of the fiber base material through a drying process in which water is removed from the fiber treatment composition. In addition, the fiber treatment agent according to the present embodiment can be attached to a fiber base material using the fiber treatment agent composition of the present embodiment described above, for example, as in [Specific example of method for manufacturing a processed fiber product] described below. The fibers are processed through the manufacturing method of the first embodiment, which further includes a step of pretreating the fiber base material using a fiber pretreatment agent composition containing a cationic resin to obtain a pretreated fiber base material. It may be attached to the surface of the base material.
The fiber treatment agent according to the present embodiment may contain either or both of a binder and a crosslinking agent in addition to the sulfated polysaccharide in order to have more washing resistance. The sulfated polysaccharide, the binder, and their preferred embodiments are the same as those explained in the "sulfated polysaccharide" and "binder" below.
For example, when using the production method of the first embodiment described below, the fiber treatment agent according to this embodiment can be made to have washing resistance even if it does not contain a binder or a crosslinking agent in addition to the sulfated polysaccharide. . In addition to the sulfated polysaccharide, it may also contain a binder or a crosslinking agent, or both.
However, the fiber treatment agent contained in the fiber processed product of the present embodiment is obtained by drying the fiber treatment agent composition according to the present embodiment, which will be described later, that has adhered to the surface of the fiber base material.

[Fiber treatment agent composition]
The fiber treatment agent composition according to this embodiment includes a fiber treatment agent and water. The fiber treatment agent includes a sulfated polysaccharide. The content of the sulfated polysaccharide in the fiber treatment agent composition is 0.001 to 5.0% by mass, preferably 0.001 to 1.0% by mass, and 0.001 to 0.0% by mass. It is more preferably 5% by mass, even more preferably 0.003 to 0.3% by mass, and most preferably 0.005 to 0.2% by mass.

[Fiber treatment agent]
The fiber treatment agent according to this embodiment contains a sulfated polysaccharide. It is preferable that the fiber treatment agent according to this embodiment contains a sulfated polysaccharide and a binder. The fiber treatment agent according to this embodiment can further contain other additives.
The content of sulfated polysaccharide in the fiber treatment agent is preferably 5 to 100% by mass, more preferably 9 to 99% by mass, and even more preferably 20 to 80% by mass. When the content of the sulfated polysaccharide in the fiber treatment agent is 20% by mass or more, the fiber base material has properties such as water absorption, moisture retention, hygroscopicity and desorption, antifouling property, and antistatic property due to the sulfated polysaccharide. It is particularly preferable because it can sufficiently impart functionality and wash resistance, and when it is 80% by mass or less, the sulfated polysaccharide is sufficiently fixed to the fibers via the binder, so it is particularly preferable.
When the fiber treatment agent contains a binder, the content of the binder in the fiber treatment agent is preferably 1 to 91% by mass, more preferably 5 to 90% by mass, and 20 to 80% by mass. It is even more preferable that there be. When the content of the binder in the fiber treatment agent is 20% by mass or more, it is particularly preferable because the sulfated polysaccharide can be sufficiently fixed to the fibers via this binder, and when it is 80% by mass or less, the sulfated polysaccharide is It is particularly preferable because it does not interfere with functionality such as water absorption, moisture retention, moisture absorption and moisture release, antifouling and antistatic properties, and washing resistance due to saccharides.

The binder content is preferably 1 to 1,000 parts by mass, more preferably 5 to 800 parts by mass, and more preferably 25 to 400 parts by mass relative to 100 parts by mass of the sulfated polysaccharide in the fiber treatment agent. More preferably, it is parts by mass. When the binder content is 25 parts by mass or more with respect to 100 parts by mass of the sulfated polysaccharide, it is preferable because the sulfated polysaccharide can be sufficiently fixed to the fibers via the binder, and when it is 400 parts by mass or less, This is preferable because the sulfated polysaccharide can be sufficiently fixed to the fibers via the binder.

<Sulfated polysaccharide>
A sulfated polysaccharide is a type of compound called a "sugar chain" in which sugars such as glucose are linked together for a long time, and is a general term for polysaccharides that have been chemically modified with sulfate groups. Examples of the sulfated polysaccharide according to this embodiment include naturally occurring polysaccharides and polysaccharides to which sulfate groups are artificially added.
The weight average molecular weight of the sulfated polysaccharide according to the present embodiment is not particularly limited as long as the effects of the present invention can be obtained, but is 500,000 to 30 million, and 1 million to 25 million. If it is, it is preferable from the viewpoint of durability after fixing to the fiber, and if it is from 2 million to 20 million, it is more preferable because the dispersion stability of the fiber treatment composition of the present invention will be suitable.

The sulfated polysaccharide according to the present embodiment is one or more selected from the group consisting of chondroitin sulfate, dermatan sulfate, and salts thereof; D-glucosamine, D-galactosamine, D-glucuronic acid, L-iduronic acid, D- A group consisting of known polysaccharides consisting of galacturonic acid, D-glucose, D-galactose, D-xylose, etc., which have sulfate groups as part of them, and salts thereof, naturally occurring sulfated polysaccharides, etc. However, naturally occurring sulfated polysaccharides are preferred.
The naturally occurring sulfated polysaccharide is preferably a sulfated polysaccharide originating from algae, for example. The sulfated polysaccharides originating from algae include, for example, at least one sulfated polysaccharide derived from macroalgae, microalgae, or cyanobacteria (cyanobacteria, blue-green algae); Examples include mixtures of sulfated polysaccharides derived from cyanobacteria.
For example, at least one type of sulfated polysaccharide selected from the following polysaccharides originating from algae may be mentioned.

Gracilaria, Halymenia, Gelidium, Pterocladia, Acanthopeltis, Campylaephora, Ceranium, Eukyu Eucheuma, Chondrus, Porphyra ), from among the Rhodophyceae producing agar, carrageenan, porphyrins, furans or complex sulfated galactans of the genera Laurencia, Furcellaria, Gloiopeltis and Iridea Selected red macroalgae;
A green macroalgae of the genus Ulva selected from Chlorophyceae that produces polysaccharides, such as ulvan;
A brown macroalgae selected from the sulfated furan producing brown algae (Pheophyceae) of the genus Fucus, Aschophyllum or Cladosiphon. Cyanobacteria such as Aphanothece sacrum.
Among the above-mentioned sulfated polysaccharides originating from algae, sulfated polysaccharides derived from Porphyra aeruginosa are preferred. Porphyra aeruginosa is a type of eubacteria with photosynthetic ability that belongs to the order Chroococcalales. The above-mentioned Aphrodisiac algae is a freshwater blue-green alga that grows naturally in a specific region of Kyushu and has a plurality of cells that form flat-shaped colonies. The outer surface of the colony is covered with a gel-like secretion formed from polysaccharides, etc., and the colony grows to a diameter of about 50 mm.

As the sulfated polysaccharide according to this embodiment, at least one sulfated polysaccharide obtained by chemical modification of a known polysaccharide can be used.

The sulfated polysaccharide according to the present embodiment is derived from the freshwater cyanobacterium Aphanothece sacrum, has an average molecular weight of 2,000,000 or more, and has a sugar structure with a hexose structure and a sugar structure with a pentose structure. - It has a repeating structure of sugar chain units connected in a linear or branched manner by glycosidic bonds or β-glycosidic bonds, and in the sugar chain units, 2.7 or more hydroxyl groups per 100 hydroxyl groups are sulfated. or a sugar derivative in which sulfur element accounts for 1.5% by weight or more in all elements, and the sugar chain unit preferably contains a lactic oxidized sulfated sugar as a sugar structure.
Note that the stipulation "derived from Acanthus japonica" is part of the stipulations for specifying the sugar derivative as a substance, and does not limit the source or manufacturing method of the sugar derivative.
Preferably, the sulfated sugar is one or more selected from sulfated muramic acid and sulfated N-acetylmuramic acid.
The sugar derivatives include at least glucose, galactose, and mannose shown in the chemical formula (a), galactosamine shown in the chemical formula (b), xylose and arabinose shown in the chemical formula (c), and glucuronic acid and galacturonic acid shown in the chemical formula (d). and fucose and rhamnose shown in chemical formula (e), and a functional group selected from the group of functional groups including at least a sulfate group, a lactic acid group, and a methyl group is present at any bonding position in these sugar structures. are combined.

（ａ）

(a)

（ｂ）

(b)

（ｃ）

(c)

（ｄ）

(d)

（ｅ）

(e)

A part of the sugar structure constituting the sugar derivative may further be bonded to a peptide or lipid. A trisaccharide structure derived from the freshwater blue-green alga Aphanothece sacrum and having an average molecular weight of 2,000,000 or more and having at least the sequence shown in the chemical formula (f) below, and the following (i) to (vi) It is a sugar derivative containing all of the disaccharide structures having the sequences listed in .

（ｆ）

(f)

(Chemical formula (f) shows a trisaccharide structure of hexose, hexose, and N-acetylmuramic acid, and R ⁱ and R ⁱⁱ represent sugars. Any -OH in chemical formula (f) -OSO ₃ ^- or -OCH ₃ included.)
(i) Disaccharide structure of hexose and pentose, which is xylose or arabinose.
(ii) Disaccharide structure of hexose and deoxyhexose which is fucose or rhamnose.
(iii) Disaccharide structure of pentose and pentose.
(iv) Disaccharide structure of pentose and deoxyhexose.
(v) Disaccharide structure of hexosamine and hekinsamine.
(vi) Disaccharide structure of uronic acid, which is glucuronic acid or galacturonic acid, and deoxyhexose.

The average molecular weight of the sugar derivative may be 20,000,000 or more.
The molar ratio of the main sugar structures constituting the sugar derivative is: arabinose 1.1: fucose 3.7: rhamnose 15.4: xylose 17.0: mannose 10.5: galactose 12.3: galacturonic acid 4. 6: glucuronic acid 4.7: glucose 28.8: galactosamine 2.03.

The sugar derivative may be obtained by extracting a crude sugar derivative from the freshwater blue-green alga Aphanothece sacrum as a raw material, and may be used as it is, or may be further purified and used if necessary.

The sulfated polysaccharide according to the present embodiment at least contains monosaccharides such as (i) 6-deoxy sugar (and/or pentose), (ii) uronic acid, (iii) hexapyranose, and (iv) sulfated muramic acid. Preferably, it is a polysaccharide contained as a structural unit. In the above-mentioned sulfated polysaccharide having monosaccharide-derived structural units, the arrangement of each of the above-mentioned structural units is not particularly limited, and may be in the order of (i), (ii), (iii), and (iv), for example. The sulfated polysaccharide according to the present embodiment is particularly preferably a sulfated polysaccharide represented by the following formula (1). Note that the arrangement of the structural units (monosaccharide) shown in formula (1) is an example, and the arrangement of the structural units is not limited to the arrangement of general formula (1).

The ratio and average molecular weight of the monosaccharides constituting the sulfated polysaccharides having constituent units derived from monosaccharides (i) to (iv) are not particularly limited. For example, the proportion of sulfated muramic acid in the total structural units of the sulfated polysaccharide may be in the range of 0.1 to 20 mol%, and the proportion of uronic acid in the total structural units may be in the range of 1 to 20 mol%. It may be in the range of 50 mol%. Further, the sulfated polysaccharide may have a sulfate group content of 1 to 50 mol% for each sugar residue, preferably a sulfate group content of 5 to 25 mol%. Further, the sulfated polysaccharide may have a carboxylic acid content of 5 to 80 mol% for each sugar residue, and preferably has a carboxylic acid content of 10 to 50 mol%.
In addition, there may be three or more kinds of constituent saccharides of the early sulfated polysaccharide, and preferably five or more kinds. Further, the weight average molecular weight of the sulfated polysaccharide is not particularly limited as long as the effects of the present invention can be obtained, but is 500,000 to 30 million, and 1 million to 25 million. A molecular weight of 2,000,000 to 20,000,000 is preferable from the viewpoint of durability after fixing to fibers, and a range of 2,000,000 to 20,000,000 is more preferable because the dispersion stability of the fiber treatment composition of the present invention is suitable.

"Sakran"
An example of the sulfated polysaccharide derived from Porphyra aeruginosa is "Sacran (registered trademark)." Sacran, which is a type of sulfated polysaccharide according to the present embodiment, is a polysaccharide extracted from Porphyra japonica, which is a species endemic to Japan. The sacran according to the present embodiment is not limited to those derived from Acanthus japonica, but is preferably a sulfated polysaccharide derived from A. japonica.
Sacran (registered trademark) according to the present embodiment is a polymer containing the same structural unit as a polymer extracted from Aphanothece sacrum. For example, it may be a sulfated polysaccharide containing monosaccharides such as 6-deoxy sugar (and/or pentose), uronic acid, hexapyranose, or sulfated muramic acid as a constituent unit. A preferred example of such a sacran is a sulfated polysaccharide (hereinafter sometimes referred to as "sakran") extracted from Acanthus japonica. An example of a method for extracting cherries from Daffodils is described in International Publication No. WO 2008/062574.

For example, a specific method for extracting Sakuran (registered trademark) from the above-mentioned Acanthora japonica is to remove water-soluble pigments by freezing and washing an appropriate amount of Acanthora chinensis with water, and then remove fat-soluble pigments with an organic solvent such as ethanol. , drying the algae of Porphyra japonica. Thereafter, 0.1N sodium hydroxide is added to the obtained dry Algae and stirred at 60 to 80°C for 6 hours. Examples include a method in which the sugar derivative liquid obtained from the above operation is neutralized, filtered, concentrated, and dried. In another example, sakran can be extracted from Acanthus japonica by heating an aqueous dispersion of A. japonica in an autoclave at 135° C. for 30 minutes. The extracted sakran may be purified by centrifugation, filtration, alcohol washing, etc. Furthermore, before extracting cherries from Acanthus japonica, a step of freezing and thawing the Aja japonica may be performed, followed by a step of removing the pigment.
The sacran according to this embodiment includes (A): 6-deoxy sugar (and/or pentose), (B): uronic acid, (C): uronic acid, (D): hexapyranose, (F): sulfated It is a polysaccharide containing a monosaccharide such as muramic acid as a constituent unit. An example of a state in which they are connected is shown in the following formula (1). Note that the arrangement of the structural units (monosaccharide) shown in formula (1) is an example, and the arrangement of the structural units is not limited to the arrangement of general formula (2).

The proportion and average molecular weight of the monosaccharides constituting the sacran in this embodiment vary depending on the time and place of collection of the sagebrush. In one example of sacran, the proportion of sulfated muramic acid in all structural units is in the range of 0.1 to 20 mol%, and the proportion of uronic acid in all structural units is in the range of 1 to 50 mol%.
Further, the weight average molecular weight of one example of sacran is in the range of 1 million to 30 million.

A specific example of the sakran according to the present embodiment includes, for example, sakran manufactured by Green Science Materials Co., Ltd.

<Binder>
The binder according to this embodiment has a function of fixing the sulfated polysaccharide to the fibers, and it is preferable to use a compound that mixes with water or an aqueous dispersion that stably disperses in water. Further, the binder preferably has an anionic or cationic ionic group in order to increase the affinity between the fiber and the sulfated polysaccharide. Examples of the binder include urethane resin, acrylic resin, butadiene polymer, ethylene/vinyl acetate copolymer, natural rubber, silicone resin, and polyester resin. The binder may be in any form such as emulsion, dispersion, powder, etc. Examples of the binder include acrylic resin aqueous dispersion, urethane resin aqueous dispersion, butadiene polymer aqueous dispersion, ethylene/vinyl acetate copolymer aqueous dispersion, natural rubber latex, polyester resin aqueous dispersion, and silicone. A resin water dispersion or the like can be used. In order to introduce ionic groups into these binders, units derived from monomers having ionic groups can be copolymerized. Examples of ionic groups include those having acidic groups such as carboxyl groups, sulfonic acid groups, and phosphoric acid groups, or those having some or all of them in metal hydroxides such as potassium hydroxide and sodium hydroxide, ammonia, and triethylamine. Examples include anionic groups neutralized with bases such as organic substances; cationic groups having basic groups such as amino groups, or cationic groups partially neutralized with inorganic acids or organic acids. In addition to the above dispersion, a cationic resin having a polyallylamine, quaternary ammonium salt/pyridinium salt structure, etc. can also be used as a binder. These binders may be used alone or in combination of two or more. Among these, an acrylic resin aqueous dispersion and/or a urethane resin aqueous dispersion can be used because they provide even better texture and water absorbency of the fiber processed product described below.

Further, the binder according to the present embodiment may contain various resin compositions such as other resin emulsions, solution resins, epoxy resins, and urethane resins as binders within a range that does not impair the effects of the present invention.

The binder according to this embodiment is illustrated below.

"Acrylic resin"

The acrylic resin aqueous dispersion is, for example, one obtained by polymerizing a polymerizable monomer containing an acrylic monomer as an essential component. Further, in order to improve dissolution or dispersion in water, which will be described later, it is preferable to use a polymerizable monomer having a carboxyl group.

Examples of the acrylic monomer used as a raw material for the aqueous acrylic resin dispersion include methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, and n-butyl (meth)acrylate. ) acrylate, sec-butyl (meth)acrylate, t-butyl (meth)acrylate, isobutyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, decyl (meth)acrylate, undecyl (meth)acrylate, dodecyl (meth)acrylate (lauryl (meth)acrylate), tridecyl (meth)acrylate, pentadecyl (meth)acrylate, hexadecyl (meth)acrylate, heptadecyl (meth)acrylate, octadecyl (meth)acrylate (stearyl (meth)acrylate), nonadecyl (meth)acrylate , alkyl (meth)acrylates such as icosanyl (meth)acrylate; aromatic (meth)acrylates such as benzyl (meth)acrylate and phenylethyl (meth)acrylate; alicyclics such as cyclohexyl (meth)acrylate and isobornyl (meth)acrylate. (Meth)acrylate having the formula structure; methoxypolyethylene glycol mono(meth)acrylate, methoxypolypropylene glycol mono(meth)acrylate, octoxypolyethylene glycol mono(meth)acrylate, octoxypolypropylene glycol mono(meth)acrylate, lauroxypolyethylene Glycol mono(meth)acrylate, lauroxypolypropylene glycol mono(meth)acrylate, stearoxypolyethylene glycol mono(meth)acrylate, stearoxypolypropylene glycol mono(meth)acrylate, allyloxypolyethylene glycol mono(meth)acrylate, allyloxypolypropylene Alkyl group-terminated polyalkylene glycol mono(meth)acrylates such as glycol mono(meth)acrylate, nonylphenoxypolyethylene glycol mono(meth)acrylate, nonylphenoxypolypropylene glycol mono(meth)acrylate; silanes such as trimethylsiloxyethyl(meth)acrylate (meth)acrylate; 3-(meth)acryloyloxypropyltrimethoxysilane, 3-(meth)acryloyloxypropylmethyldimethoxysilane, 3-(meth)acryloyloxypropyltriethoxysilane, 3-(meth)acryloyloxypropyl (meth)acryloyloxyalkylsilane compounds such as methyldiethoxysilane; fluorine-based (meth)acrylates such as perfluoroalkylethyl (meth)acrylate; glycidyl (meth)acrylate, epoxy (meth)acrylate, ethylene glycol di(meth) Acrylate, diethylene glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, tetramethylene glycol tetra(meth)acrylate, 2-hydroxy-1,3-diacryloxypropane, 2,2-bis[4-(acrylic) Roxymethoxy)phenyl]propane, 2,2-bis[4-(acryloxyethoxy)phenyl]propane, dicyclopentenyl (meth)acrylate tricyclodecanyl (meth)acrylate, tris(acryloxyethyl)isocyanurate, urethane (Meth)acrylate compounds such as (meth)acrylate; (meth)acrylates having an alkylamino group such as dimethylaminoethyl (meth)acrylate, diethylaminoethyl (meth)acrylate, and dimethylaminopropyl (meth)acrylate; and the like. These (meth)acrylate compounds (c) may be used alone or in combination of two or more.

In the present invention, "(meth)acrylate" refers to one or both of methacrylate and acrylate, "(meth)acryloyl" refers to one or both of methacryloyl and acryloyl, and "(meth)acrylic acid" refers to one or both of methacryloyl and acryloyl. ” refers to one or both of methacrylic acid and acrylic acid.

In addition, when introducing a carboxyl group into the aqueous acrylic resin dispersion, examples of carboxyl groups such as (meth)acrylic acid, itaconic acid, crotonic acid, fumaric acid, maleic acid, maleic anhydride, and citraconic acid may be used as raw materials. A polymerizable monomer having the following can be used. These polymerizable monomers may be used alone or in combination of two or more. In addition, after introducing a carboxyl group into the acrylic resin aqueous dispersion using a polymerizable monomer having these carboxyl groups, a part or all of the carboxyl group is replaced with a metal such as potassium hydroxide or sodium hydroxide. Hydroxide; may be neutralized with a base such as an organic substance such as ammonia or triethylamine.

As a method for producing the aqueous acrylic resin dispersion, for example, a known emulsion polymerization method can be used.

Examples of the acrylic resin include fiber processing acrylic resin DEXCEL HPS PAD 602 manufactured by DIC Corporation and SP-931 manufactured by DIC Corporation.

"Urethane resin"
The urethane resin aqueous dispersion is one in which the urethane resin can be dispersed in water or an aqueous medium, and includes, for example, an aqueous urethane resin having a hydrophilic group such as an anionic group, a cationic group, or a nonionic group; an emulsifier; An aqueous urethane resin forcibly dispersed in an aqueous medium can be used. These urethane resin aqueous dispersions may be used alone or in combination of two or more.

Examples of the method for obtaining the aqueous urethane resin having an anionic group include a method using as a raw material one or more compounds selected from the group consisting of compounds having a carboxyl group and compounds having a sulfonyl group.

Examples of the compound having a carboxyl group include 2,2-dimethylolpropionic acid, 2,2-dimethylolbutanoic acid, 2,2-dimethylolbutyric acid, 2,2-dimethylolpropionic acid, and 2,2-dimethylolbutanoic acid. Grass acid etc. can be used. These compounds may be used alone or in combination of two or more.

Examples of the compound having a sulfonyl group include 3,4-diaminobutanesulfonic acid, 3,6-diamino-2-toluenesulfonic acid, 2,6-diaminobenzenesulfonic acid, N-(2-aminoethyl)- 2-aminoethylsulfonic acid and the like can be used. These compounds may be used alone or in combination of two or more.

Part or all of the carboxyl group and sulfonyl group may be neutralized with a basic compound in the aqueous urethane resin composition. Examples of the basic compound include organic amines such as ammonia, triethylamine, pyridine, and morpholine; alkanolamines such as monoethanolamine and dimethylethanolamine; and metal base compounds containing sodium, potassium, lithium, calcium, etc. Can be done.

Examples of the method for obtaining the aqueous urethane resin having a cationic group include a method using one or more compounds having an amino group as a raw material.

Examples of the compound having an amino group include compounds having primary and secondary amino groups such as triethylenetetramine and diethylenetriamine; N-alkyl dialkanolamines such as N-methyldiethanolamine and N-ethyldiethanolamine; N-methyl Compounds having a tertiary amino group such as N-alkyldiaminoalkylamines such as diaminoethylamine and N-ethyldiaminoethylamine can be used. These compounds may be used alone or in combination of two or more.

Examples of the method for obtaining the aqueous urethane resin having a nonionic group include a method using one or more compounds having an oxyethylene structure as a raw material.

As the compound having an oxyethylene structure, for example, polyether polyols having an oxyethylene structure such as polyoxyethylene glycol, polyoxyethylene polyoxypropylene glycol, and polyoxyethylene polyoxytetramethylene glycol can be used. These compounds may be used alone or in combination of two or more.

Examples of emulsifiers that can be used to obtain the aqueous urethane resin that is forcibly dispersed in water include polyoxyethylene nonylphenyl ether, polyoxyethylene lauryl ether, polyoxyethylene styrylphenyl ether, and polyoxyethylene sorbitol tetra. Nonionic emulsifiers such as oleate, polyoxyethylene/polyoxypropylene copolymer; fatty acid salts such as sodium oleate, alkyl sulfate ester salts, alkylbenzene sulfonates, alkyl sulfosuccinates, naphthalene sulfonates, polyoxyethylene Anionic emulsifiers such as alkyl sulfates, alkanesulfonate sodium salts, and alkyldiphenyl ether sulfonic acid sodium salts; cationic emulsifiers such as alkylamine salts, alkyltrimethylammonium salts, and alkyldimethylbenzylammonium salts can be used. These emulsifiers may be used alone or in combination of two or more.

As the urethane resin aqueous dispersion, specifically, those obtained from polyisocyanates, polyols, and the raw materials used for producing the above-mentioned aqueous urethane resins having hydrophilic groups can be used. For these reactions, known urethanization reactions can be used.

Examples of the polyisocyanate include aromatic polyisocyanates such as phenylene diisocyanate, tolylene diisocyanate, diphenylmethane diisocyanate, xylylene diisocyanate, naphthalene diisocyanate, polymethylene polyphenyl polyisocyanate, and carbodiimidized diphenylmethane polyisocyanate; hexamethylene diisocyanate and lysine diisocyanate. , cyclohexane diisocyanate, isophorone diisocyanate, dicyclohexylmethane diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, dimer acid diisocyanate, norbornene diisocyanate, and other aliphatic or alicyclic polyisocyanates can be used. These polyisocyanates may be used alone or in combination of two or more.

As the polyol, for example, polyether polyol, polyester polyol, polyacrylic polyol, polycarbonate polyol, polybutadiene polyol, etc. can be used. These polyols may be used alone or in combination of two or more.

"Polyester resin"
Examples of the polyester resin include polyester resins obtained by polycondensation reaction of one or more polyols and one or more polycarboxylic acids. Examples of the polyols include ethylene glycol, propylene glycol, 1,3-butanediol, 1,4-butanediol, pentyl glycol, neopentyl glycol, 1,5-pentanediol, 1,6-hexanediol, 1,7 -Heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1,12-dodecanediol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene Glycol, dipropylene glycol, polypropylene glycol, 2-methyl-1,3-propanediol, 2-butyl-2-ethyl-1,3-propanediol, 2-methyl-1,4-butanediol, 2-ethyl- 1,4-butanediol, 2-methyl-1,3-propanediol, 3-methyl-1,5-pentanediol, 3-methyl-1,5-heptanediol, hydrogenated bisphenol A, bisphenol A and Examples include adducts of propylene oxide or ethylene oxide.
Specific examples of polycarboxylic acids include unsaturated dibasic acids and their anhydrides such as maleic acid, maleic anhydride, fumaric acid, itaconic acid, and citraconic acid; phthalic acid, phthalic anhydride, halogenated phthalic anhydride, and isophthalic acid. acid, terephthalic acid, nitrophthalic acid, tetrahydrophthalic acid, tetrahydrophthalic anhydride, endomethylenetetrahydrophthalic anhydride, halogenated phthalic anhydride, and their esters, and hexahydrophthalic acid, hexahydrophthalic anhydride, hexahydroterephthalic anhydride. Acid, hexahydroisophthalic acid, 1,4-cyclohexanedicarboxylic acid, 1,3-cyclohexanedicarboxylic acid, methylhexahydrophthalic acid, het acid, 1,1-cyclobutanedicarboxylic acid, oxalic acid, succinic acid, succinic anhydride , malonic acid, glutaric acid, adipic acid, azelaic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, 1,12-dodecanedioic acid, 2,6-naphthalenedicarboxylic acid, 2,7-naphthalenedicarboxylic acid, 2 , 3-naphthalene dicarboxylic acid, 2,3-naphthalene dicarboxylic anhydride, 4,4'-biphenyl dicarboxylic acid, and the like, and their anhydrides.
Furthermore, in order to increase the affinity for fibers, it is preferable to introduce ionic groups into the polyester resin. Ionic groups include, but are not limited to, sulfonic acid groups, carboxylic acid groups, phosphoric acid groups, and the like.
For example, in the case of a carboxylic acid, the method for introducing an ionic group into a polyester resin is to polymerize the polyester resin and then add trimellitic anhydride, phthalic anhydride, pyromellitic anhydride, succinic anhydride under normal pressure and nitrogen atmosphere. Acid, maleic anhydride, 1,8-naphthalic anhydride, 1,2-cyclohexanedicarboxylic anhydride, cyclohexane-1,2,3,4-tetracarboxylic acid-3,4-anhydride, ethylene glycol bisanhydrotri Melitate, 5-(2,5-dioxotetrahydro-3-furanyl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride, naphthalene-1,8:4,5-tetracarboxylic acid dianhydride One or more types of anhydrides and the like can be subjected to an addition reaction.

"Silicone resin"
The silicone resin is not particularly limited, but includes, for example, organopolysiloxane having dimethylsiloxane as a main structural unit. In order to impart water solubility or water dispersibility to the organopolysiloxane, a hydroxyl group or other functional group may be introduced as necessary.

"Cationic resin"
The cationic resin according to this embodiment includes a cationic group. Examples of the cationic group include amino groups (eg, primary amino groups, secondary amino groups, and tertiary amino groups) and quaternary ammonium groups. Note that the tertiary amino group may form an aromatic heterocycle (for example, a pyridine ring). The secondary amino group may form a heterocyclic amine group (eg, a piperidine ring and a pyrrolidine ring). The cationic group is preferably an amino group or a quaternary ammonium group, and examples thereof include a trimethylammonium group, a dimethylamino group, a pyridyl group, a group represented by the following chemical formula (A), and -NH ₂ . In the chemical formula below, each * represents a bond. Note that the cationic group may form a salt with an acid (eg, hydrochloric acid and acetic acid) or a halogen atom (eg, a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom).

Specific examples of the cationic resin include polyalkylene polyamines, polyamide compounds, modified polyamide compounds, polyamide amine-epihalohydrin or formaldehyde condensation reaction products, polyamine-epihalohydrin or formaldehyde condensation reaction products, polyamide polyurea-epihalohydrin or formaldehyde. Condensation reaction products, polyamine polyurea-epihalohydrin or formaldehyde condensation reaction products, polyamide amine polyurea-epihalohydrin or formaldehyde condensation reaction products, polyamide polyurea compounds, polyamine polyurea compounds, polyamide amine polyurea compounds and polyamide amine compounds, Polyethyleneimine, polyvinylpyridine, amino-modified acrylamide compounds, polyvinylamine, polydiallyldimethylammonium chloride; allylamine hydrochloride polymer, allylamine amide sulfate polymer, allylamine hydrochloride and diallylamine hydrochloride consisting of primary and secondary amines Polyallylamines such as allylamine hydrochloride/dimethylallylamine hydrochloride copolymer and allylamine/dimethylallylamine copolymer consisting of a primary amine and a tertiary amine can be mentioned.

<<Cationic resin derived from cationic group-containing unsaturated monomer>>
The cationic resin preferably contains a specific repeating unit (hereinafter sometimes referred to as repeating unit (1)) derived from a cationic group-containing unsaturated monomer. The cationic resin may have only the repeating unit (1) as a repeating unit, but it may include the repeating unit (1) and the repeating unit (2) derived from an unsaturated monomer having no cationic group. is preferred. As described above, when the cationic resin contains the repeating unit (2), the affinity between the solvent of the pretreatment liquid and the cationic resin tends to decrease appropriately. As a result, the stability of the pretreatment liquid as an emulsion can be improved.

The cationic group-containing unsaturated monomer has, for example, a cationic group and a polymerizable group (eg, a vinyl group, an allyl group, and a (meth)acryloyl group). The number of cationic groups in the cationic group-containing unsaturated monomer is preferably one. The number of polymerizable groups in the cationic group-containing unsaturated monomer is preferably one or two. As a specific cationic group-containing unsaturated monomer, dimethylaminopropylacrylamide methyl chloride quaternary salt is preferred.

The content of the repeating unit (1) in the cationic resin is preferably 10% by mass or more and 60% by mass or less, more preferably 25% by mass or more and 45% by mass or less. By setting the content of the repeating unit (1) to 10% by mass or more, sufficient cationicity can be imparted to the cationic resin. By setting the content of the repeating unit (1) to 60% by mass or less, the affinity between the solvent of the pretreatment liquid and the cationic resin tends to decrease appropriately. As a result, the stability of the pretreatment liquid as an emulsion can be improved.

Examples of unsaturated monomers having no cationic group include vinyl compounds, (meth)acrylic acid, alkyl (meth)acrylates, cycloalkyl (meth)acrylates, and ethylenically unsaturated carboxylic acids. Examples of vinyl compounds include ethylene, propylene, and styrene. Examples of (meth)acrylic acid alkyl esters include methyl (meth)acrylate, ethyl (meth)acrylate, propyl (meth)acrylate, butyl (meth)acrylate, hexyl (meth)acrylate, and (meth)acrylate. Octyl acrylate and 2-ethylhexyl (meth)acrylate are mentioned. Examples of the (meth)acrylic acid cycloalkyl ester include cyclopentyl (meth)acrylate, cyclohexyl (meth)acrylate, and cyclooctyl (meth)acrylate. Examples of ethylenically unsaturated carboxylic acids include maleic acid, itaconic acid, citraconic acid, and phthalic acid. Note that the ethylenically unsaturated carboxylic acid may be an anhydride.

In the cationic resin, the content of the repeating unit (2) is preferably 40% by mass or more and 90% by mass or less, more preferably 55% by mass or more and 75% by mass or less. By setting the content of the repeating unit (2) to 40% by mass or more and 90% by mass or less, the affinity between the solvent and the cationic resin of the pretreatment liquid tends to decrease appropriately. As a result, the stability of the pretreatment liquid as an emulsion can be improved.

<<Cationic urethane resin>>
The cationic urethane resin according to this embodiment has a cationic group in order to provide good water dispersion stability in water.

As the cationic group, for example, a tertiary amino group can be used. The tertiary amino group may be partially or completely neutralized with acetic acid or propionic acid, or may be quaternized with a quaternizing agent such as dimethyl sulfate, diethyl sulfate, methyl chloride, or ethyl chloride.
It may be classified. Further, the cationic group may be present at the molecular end of the urethane resin, in the main chain structure constituting the urethane resin, or in the side chain of the urethane resin as the main chain.

The cationic group is present in a range of 10 mmol/kg to 1,000 mmol/kg based on the entire cationic urethane resin in order to impart good water dispersion stability to the cationic urethane resin in water. Preferably, it is present in a range of 30 mmol/kg to 700 mmol/kg.

As the cationic urethane resin, it is preferable to use one having a structure represented by the following general formula [I] containing a cationic group in order to enhance its function as a binder by strengthening its interaction with fibers. .

[In the formula, R ¹ is an aliphatic or alkylene group having an aliphatic cyclic structure, a dihydric phenol residue, or a polyoxyalkylene group, and R ² and R ³ are each independently an aliphatic or aliphatic group. R ⁴ represents a hydrogen atom or a residue of a quaternizing agent introduced by a quaternization reaction, and X ⁻ represents an anionic counter ion. ]

Further, the cationic urethane resin may have one or more types selected from the group consisting of hydrolyzable silyl groups and silanol groups.

Specific examples of the cationic resin include, for example, PAS (polyamine) PAS-M-1, manufactured by Nitto Bo Medical Co., Ltd., and Boncourt SFC-55, manufactured by DIC Corporation.

<Other additives>
The fiber treatment agent according to this embodiment can further contain other additives. The fiber treatment agent according to the present embodiment includes, for example, fillers, preservatives, colorants, antifoaming agents, foaming agents, dispersants, emulsifiers, fluidity modifiers, plasticizers, etc., to the extent that the effects of the present invention are not impaired. Additives such as additives, pH adjusters, various oils, thickeners, crosslinking agents, antioxidants, ultraviolet absorbers, dispersants, water repellents, and leveling agents may be added. Furthermore, additives such as antibacterial agents, antiviral agents, deodorants, deodorants, softeners, fragrances, and the like may be added. These additives may be used alone or in combination of two or more.
From the viewpoint of improving the washing resistance of processed fiber products, the fiber treatment agent according to the present embodiment may use a crosslinking agent alone, but it is preferable that the fiber treatment agent further contains a binder and a crosslinking agent. Moreover, from the viewpoint of ease of processing in the adhesion step described later, it is preferable that the fiber treatment agent according to the present embodiment further contains a binder, a crosslinking agent, and a thickener.
Examples of the crosslinking agent include water-based crosslinking agents that are expected to undergo a crosslinking reaction with sacran having a carboxyl group.
Specific examples of the water-based crosslinking agent include Epocross WS-500 manufactured by Nippon Shokubai Co., Ltd., Prominate XC-830 manufactured by Aica Kogyo Co., Ltd., and Carbodilite V-02-L2 manufactured by Nisshinbo Chemical Co., Ltd., and the like.
When the crosslinking agent is included, examples of the binder to be included at the same time include DEXCEL HPS PAD 602, an acrylic resin for fiber processing manufactured by DIC Corporation.
When the above-mentioned crosslinking agent and binder are included, examples of the thickener included at the same time include sodium carboxymethylcellulose/CMC Daicel 1350 manufactured by Daicel Millize Co., Ltd. When applying the fiber treatment agent composition by screen printing, good application can be achieved by arbitrarily adjusting the viscosity of the composition using a thickener.
When the fiber treatment agent according to the present embodiment further contains a binder and a crosslinking agent, the content of the binder in the fiber treatment agent is preferably 0.01 to 12.5% by mass, and preferably 0.1 to 5% by mass. % is more preferable. The content of the crosslinking agent in the fiber treatment agent is preferably 0.01 to 25% by mass, more preferably 0.5 to 5.0% by mass. When a thickener is included, the content of the thickener in the fiber treatment agent can be arbitrarily adjusted depending on the type and amount of the binder and crosslinking agent to be blended at the same time, but for example, it should be 0.1 to 25.0% by mass. The amount is preferably 1 to 10% by mass, and more preferably 1 to 10% by mass.

[water]
As the water according to this embodiment, for example, ion exchange water, RO water, distilled water, or pure water can be used. Depending on the water quality, industrial water or underground water may also be used. Furthermore, an aqueous solvent that is mixed with water may also be used within a range that does not impair the performance of the fiber treatment composition according to the present embodiment. Such aqueous solvents include methanol, ethanol, 2-propanol, acetone, and the like.

[Fiber base material]
The fiber base material according to the present embodiment includes various types of fibers and blended products thereof.

The fibers are not particularly limited, and include natural fibers, synthetic fibers, and the like. The natural fibers include, but are not particularly limited to, cotton, silk, hemp, wool, angora and mohair, bamboo fibers, and the like. The synthetic fibers include, but are not particularly limited to, polyester fibers, nylon fibers, acrylic fibers, spandex, and the like. From the viewpoint of improving the adhesion of silicone to fibers, it is preferable that the fibers include one or more natural fibers selected from the group consisting of cotton, silk, linen, wool, angora and mohair, and bamboo fibers. Moreover, these composite fibers etc. can be used.

The form of the fiber blend is not particularly limited, and may be, for example, any form such as staple, filament, tow, thread, woven fabric, knitted fabric, stuffed cotton, nonwoven fabric, or paper.

Examples of the knitted fabric include flat knitting, rubber knitting, purl knitting, etc., but the fiber base material according to the present embodiment is not limited to these examples.
The woven fabric can be manufactured using a loom or the like using the fibers according to this embodiment for the warp, the weft, or both the warp and the weft.
Examples of the textures that the woven fabric has include plain weave textures, oblique weave textures, twill weave textures, satin weave textures, and modified textures, but the fiber base material according to the present embodiment is limited to only these examples. It's not something you can do.

Specific examples of the fiber base material according to the present embodiment include, for example, a blend of cotton and polyester in the base fabric; M2000 manufactured by Shikibo Co., Ltd. and polyester P-110 (as the fiber for dyeing test "Polyester Decine" manufactured by Shikisensha Co., Ltd.). (obtained from).
Furthermore, the fiber base material according to the present embodiment may be one that has been previously treated with a fiber pretreatment agent in order to increase the affinity with the fiber treatment agent of the present invention. In particular, since the sulfated polysaccharide according to this embodiment has an acidic group, a cationic resin is preferable as the fiber pretreatment agent. These preferred embodiments are the same as those explained in the above-mentioned "cationic resin". Further, the pretreatment method can be carried out according to the below-mentioned [adhesion step] and [drying step]. The manufacturing method using the fiber pre-treatment agent will be described in detail as the manufacturing method of the first embodiment in [Specific examples of the manufacturing method of fiber processed products] below.

[Applications of textile processed products]
The processed fiber product of this embodiment can be used in various ways by taking advantage of its excellent water absorption, moisture absorption and desorption properties, antifouling properties, antistatic properties, washing resistance, and good texture. Applicable to the field. For example, the processed fiber products of the present invention can be used in clothing that requires good comfort, such as gloves, underwear, socks, shirts, clothes, and sportswear, as well as face masks, surgical masks, disposable diaper materials, and wipe-off lotion sheets. Examples include cosmetic sheets, hats, and inner caps. Furthermore, it can be suitably used in various applications that require stain resistance, such as bedding such as futon covers, sheets, and pillowcases, curtains, towels, washcloths, cooking aprons, and aprons. Furthermore, in applications that require antistatic properties, it can be applied to curtains, suit linings, coats, workwear worn at manufacturing sites, clean room wear, painting clothes, etc.

(Method for manufacturing textile processed products)
Examples of the method for manufacturing the processed fiber product of this embodiment include a method of manufacturing a processed fiber product described below by treating a fiber base material using the fiber treatment agent composition according to the embodiment described above. The method for manufacturing a processed fiber product of the present embodiment includes an adhesion step of adhering the fiber treatment agent composition to the fiber base material, and a drying step of removing water from the fiber base material coated with the fiber treatment agent composition. include. The method for manufacturing a processed fiber product of the present embodiment is characterized by at least one method selected from the group consisting of (I) to (III) below.
(I) before the adhesion step, further comprising a step of pretreating the fiber base material using a fiber pretreatment agent composition containing a cationic resin to obtain a pretreated fiber base material;
The attachment step is a step of attaching the fiber treatment agent composition to the pretreated fiber base material.
(II) The fiber treatment agent composition further contains a crosslinking agent, and the drying step includes a heat treatment step at a temperature range of 80°C to 260°C.
(III) The drying step includes a heat treatment step using high-temperature steam at a temperature range of 120° C. or higher.
The fiber base material according to this embodiment is the same as the fiber base material described above, and the preferred embodiments are also the same.

The amount of the fiber treatment agent used for each type of fiber base material depends on the characteristics of the base material itself, but the amount of the fiber treatment agent deposited (the amount of deposit after drying the attached fiber treatment agent composition) is The amount is 0.001 to 10.0 parts by weight, and may be 0.001 to 5.0 parts by weight, based on 100 parts by weight of the material. It is preferably 0.001 to 1.0 parts by mass, more preferably 0.001 to 0.5 parts by mass, even more preferably 0.003 to 0.3 parts by mass, and even more preferably 0.001 to 0.5 parts by mass. Most preferably, it is between .005 and 0.2 parts by weight. When the amount of the fiber treatment agent attached to the fiber base material is 0.001 parts by mass or more based on 100 parts by weight of the fiber base material, the fiber base material has water absorption, moisture retention, and moisture absorption due to the sulfated polysaccharide. This is preferable because it can provide sufficient properties such as water resistance, moisture release properties, and washing resistance. When the amount is 10.0 parts by mass or less, the performance of the fiber base material itself is maintained, and a decrease in the strength and texture of the fiber processed product obtained using the fiber treatment agent composition of this embodiment is suppressed. This is preferable because it does not cause any problems.

[Adhesion process]
As the attachment method in the attachment step according to the present embodiment, various known methods can be adopted without particular limitation. Examples include an immersion method in which the fiber treatment agent composition according to the present embodiment is immersed in the fiber treatment agent composition for treatment.
Examples of the coating method include a direct coating method, a spray coating method, a roll coater method, a slot coater method, a knife coating method, a printing method, a roll transfer method, a screen printing method, and the like. Further, examples of the dipping method include a horizontal roller method, a metering roller method, a screen conveyor method, and a foam method.
For example, processing methods for treating fibers such as nonwoven fabrics with the fiber treatment agent of the present invention include spray coating method, printing method, roll transfer method, horizontal roller method, metering roller method, screen conveyor method, foam method, and screen printing. law, etc. For example, processing methods for treating fibers such as textiles with the fiber treatment agent of the present invention include direct coating, spray coating, roll coater, slot coater, knife coating, screen printing, and the like. It will be done. Furthermore, in the case where a web is created by forming fibers into a sheet shape, and the web is further bonded or intertwined to form a cloth shape, the fiber treatment may be performed on the fibers before being made into a web, or the fibers may be This may be done after making it into a web using various methods. As the method for forming the fiber web, various known methods can be used without particular limitation, and examples thereof include an air-lay method and the like.

[Pre-treatment process]
Further, before the treatment with the fiber treatment agent of the present invention, a pretreatment step of treating with a fiber pretreatment agent may be included in order to improve the adhesion of the fiber treatment agent of the present invention. The fiber pretreatment agent may include a cationic resin, or may include a fiber pretreatment agent and a binder.
The cationic resin and binder contained in the fiber pretreatment agent have the same meaning as the <cationic resin> and <binder> contained in the fiber treatment agent of the present invention.
Examples of the cationic resin include amine-based functional cationic polymers. Specific examples of amine-based functional cationic polymers include PAA (polyallylamine) PAA-HCL-10L, PAA-D19-HCL, and PAA-15C manufactured by Nitto Bo Medical Co., Ltd.; PAS (polyamine) PAS-M-1, PAS-J-81, PAS-H-10L; PRINTRITE DP 316 manufactured by Japan Lubrizol Co., Ltd.; Boncoat manufactured by DIC Corporation SFC-55; Boncoat manufactured by DIC Corporation Including SFC-571 etc.
The binder contained in the fiber pretreatment agent may include a cationic resin and another binder that is not a cationic resin. Specific examples of other binders include, for example, SP-931 manufactured by DIC Corporation. Depending on the cationic resin used, it may be used alone without a binder, or it may be blended with a suitable binder for stronger adhesion.

In the fiber pretreatment agent, the total amount of cationic resin is preferably 0.1 to 25% by mass, more preferably 0.5 to 20% by mass, and even more preferably 1 to 10% by mass. When containing a cationic resin and another binder that is not a cationic resin, the content of the cationic resin is preferably 0.05 to 12.5% by mass, more preferably 0.2 to 10% by mass, and 0.5 to 10% by mass. 5% by mass is more preferred.

The pretreatment process includes an adhesion process and a drying process.
In the adhesion step of the pretreatment step, various known methods can be employed without particular limitation as a method for adhering the cationic resin or the like.
Examples of the adhesion method include a direct coating method, a spray coating method, a roll coater method, a slot coater method, a knife coating method, a printing method, a roll transfer method, a screen printing method, and the like. Further, examples of the dipping method include a horizontal roller method, a metering roller method, a screen conveyor method, and a foam method.
For example, processing methods for treating fibers such as nonwoven fabrics with the above fiber pretreatment agents include spray coating, printing, roll transfer, horizontal roller, metering roller, screen conveyor, foam, and screen printing methods. , etc. Further, for example, processing methods for treating fibers such as textiles with the above-mentioned fiber pretreatment agent include direct coating, spray coating, roll coater, slot coater, knife coating, screen printing, and the like. . Furthermore, in the case where fibers are formed into a sheet to create a web, and the web is further bonded or intertwined to form a fabric, the preliminary fiber treatment may be performed on the fibers before they are formed into a web, or This may be carried out after the fibers are formed into a web by various methods. As the method for forming the fiber web, various known methods can be used without particular limitation, and examples thereof include an air-lay method and the like.

Examples of the drying method in the drying step of the pretreatment step include blow drying, reduced pressure drying, pressure drying, heat drying, or any combination thereof. The temperature range for heating during drying is within the range of 80 to 260°C, preferably 80 to 200°C, and more preferably 100 to 180°C. If the heating temperature is too low, drying may take a long time or may be insufficient. Furthermore, if the preliminary treatment with the cationic resin is insufficient, the fixation of the fiber treatment agent will be insufficient, resulting in poor washing resistance. If the heating temperature is too high, the resin used may change in quality. Suitable temperature conditions are appropriately set depending on the situation. In addition, in the case of deterioration due to heating, the heat treatment can be carried out in multiple times within a temperature range that does not cause deterioration.

Furthermore, after the above pretreatment step is repeated multiple times to treat the fiber surface in a layered manner, the fiber treatment agent of the present invention can be attached.

[Drying process]
Examples of the drying method in the drying step according to the present embodiment include blow drying, reduced pressure drying, pressure drying, heat drying, or any combination thereof. The drying process according to this embodiment includes a heat treatment process at a temperature range of 70 to 260°C. This temperature range is preferably 80 to 220°C, more preferably 100 to 200°C. 120 to 180°C is more preferable. If the heating temperature is too low, drying may take a long time or may be insufficient. In addition, washing resistance deteriorates. If the heating temperature is too high, the fiber treatment agent of the present invention may undergo deterioration. A suitable temperature is appropriately set depending on the situation. In addition, in the case of deterioration due to heating, the heat treatment can be carried out in multiple times within a temperature range that does not cause deterioration.

Further, in order to promote adhesion of the fiber treatment agent of the present invention, the heat treatment step of the drying step according to the present embodiment may be a heat treatment using high-temperature steam. The base fabric to which the fiber treatment agent is attached can also be exposed to high temperature water vapor such as steam. Exposure to high-temperature steam may be performed after the step of applying the fiber treatment agent or after the drying step described above.
The fiber treatment agent of the present invention is diffused and adhered to the inside of the fiber by water vapor, and further functional improvement can be expected. As the water vapor, for example, steam, superheated water vapor, etc. can be used. The temperature of the steam is within the upper limit of 100 to 260°C, preferably 100 to 200°C, and more preferably 120 to 180°C. If the temperature of the steam is too low, the heat treatment may take a long time and may be insufficient. Furthermore, if the temperature of the water vapor is too high, there is a possibility that the fiber treatment agent and the base fabric will be deteriorated. A suitable temperature is appropriately set depending on the situation. In addition, if the heat treatment causes deterioration, the treatment can be carried out in multiple steps within a temperature range that does not cause deterioration.
The type of generator does not matter as long as it can generate high-temperature steam. In this heat treatment process, a pressure cooker, an autoclave, a superheated steam generator, a superheated steam batch furnace, a nozzle-type steam spray device, etc. can be used. In that case, the base fabric may be treated by exposing it to high-temperature water vapor, or the surface of the base fabric may be treated in a pinpoint manner.
The drying process according to this embodiment may include a normal heat treatment process and the above-described heat treatment using high temperature steam. The temperature range of the usual heat treatment step may be 70 to 260°C, preferably 80 to 220°C, and more preferably 100 to 200°C.

Further, after the above drying step, heat treatment can be carried out in multiple steps within a temperature range in order to promote adhesion of the fiber treatment agent of the present invention and improve wash resistance. For example, the treatment may be performed twice at the same temperature within the above temperature range. An example is a method of processing at 120°C for 1 minute and then additionally processing at 150°C for 1 minute and 30 seconds. Alternatively, the first treatment may be performed at a temperature outside the above range, and the second and subsequent treatments may be performed at a temperature within the above range. One example is a method in which the material is treated at 70° C. and then treated with high-temperature water vapor such as the above-mentioned steam at 160 to 180° C.

[Specific example of manufacturing method for textile processed products]
Hereinafter, the manufacturing method of this embodiment will be further explained using a first embodiment, a second embodiment, and a third embodiment.

[First embodiment]
In the manufacturing method of the first embodiment, before treating the fiber base material using the fiber treatment agent composition of the present embodiment described above, the fiber base material is further treated with a fiber pretreatment agent composition containing a cationic resin. to obtain a pretreated fiber base material.
That is, the manufacturing method of the first embodiment includes a step of treating a fiber base material with a fiber pretreatment agent composition containing a cationic resin to obtain a pretreated fiber base material, and a step of obtaining a pretreated fiber base material by treating the fiber base material with a fiber pretreatment agent composition containing a cationic resin. The method includes an adhesion step of adhering the fiber treatment composition of this embodiment, and a drying step of removing water from the fiber base material coated with the fiber treatment composition of this embodiment.
The meanings and preferred forms of the fiber base material, the fiber treatment agent composition of this embodiment, the adhesion step, and the drying step are the same as described above.
The fiber pretreatment agent composition containing the cationic resin may have the same configuration as the fiber treatment agent composition of the present embodiment, except that it contains the cationic resin and does not contain a sulfated polysaccharide such as sacran.
The method for obtaining a pretreated fiber base material using the fiber pretreatment agent composition may be the same as the method for obtaining the fiber processed product of this embodiment, except that the fiber pretreatment agent composition is used.
A method for obtaining a pretreated fiber base material includes, for example, a pretreatment adhesion step of adhering the fiber pretreatment agent composition to the fiber base material, and removing water from the fiber base material coated with the fiber pretreatment agent composition. The method may also include a pretreatment drying step. The pretreatment adhesion step and the pretreatment drying step may be the same method as the adhesion step and the drying step described in the method for manufacturing a processed fiber product of the present embodiment.

[Second embodiment]
In the manufacturing method of the second embodiment, the fiber treatment agent composition of the present embodiment described above further contains a crosslinking agent. Further, in the drying step, the heating temperature range is from 80°C to 260°C.
That is, the fiber treatment agent composition of the second embodiment contains the fiber treatment agent of the second embodiment and water.
The fiber treatment agent of the second embodiment includes a sulfated polysaccharide and a crosslinking agent. It is preferable that the fiber treatment agent of the second embodiment contains a sulfated polysaccharide, a crosslinking agent, and a binder.
The content of the sulfated polysaccharide in the fiber treatment composition of the second embodiment is 0.001 to 5% by mass. It is preferably 0.001 to 1.0% by mass, more preferably 0.001 to 0.5% by mass.
The content of the crosslinking agent in the fiber treatment composition of the second embodiment is 0.01 to 25% by mass. It is preferably 0.1 to 5% by mass.
Further, when a binder is included, the content of the binder in the fiber treatment agent composition of the second embodiment is 0.01 to 12.5% by mass. It is preferably 0.1 to 5% by mass.
The manufacturing method of the second embodiment includes an adhesion step of adhering the fiber treatment composition of the second embodiment to the fiber base material, and a fiber base coated with the fiber treatment composition of the second embodiment. and a drying step of removing water from the.
In the drying step, the heating temperature ranges from 80°C to 260°C. The temperature is preferably 80°C to 200°C, more preferably 100°C to 180°C.

[Third embodiment]
In the manufacturing method of the third embodiment, the drying step includes a heat treatment step using high-temperature steam at a temperature range of 120° C. or higher.
The heat treatment process using high temperature steam here has the same meaning as the heat treatment process using high temperature steam described above.
That is, the manufacturing method of the third embodiment includes an adhesion step of adhering the fiber treatment agent composition to the fiber base material, and a drying step of removing water from the fiber base material coated with the fiber treatment agent composition. include.
The drying step of the third embodiment includes a heat treatment step using high-temperature steam at a temperature range of 100° C. or higher. The temperature range is preferably from 100 to 200 degrees Celsius, and more preferably from 120 to 180 degrees Celsius.
The drying step of the third embodiment may or may not include a heat treatment step at 70° C. or higher before the heat treatment step using high-temperature steam.

EXAMPLES Hereinafter, the present invention will be explained in detail with reference to Examples, but the present invention is not limited thereto.

"Preparation of fiber treatment agent composition 1"
(Preparation example 1)
A propeller shaft was prepared by adding 995 parts by mass of ion-exchanged water to 5.0 parts by mass of Sacran (manufactured by Green Science Materials Co., Ltd., sulfated polysaccharide derived from Porphyra japonica, molecular weight: about 2 million to about 20 million) as a sulfated polysaccharide. Using a three-one motor (FBL600 manufactured by HEIDON), the mixture was stirred at 75° C. for 8 hours to prepare a 0.5% by mass sacran aqueous solution. Next, 400 parts by mass of a 0.5 mass% sacran aqueous solution and 600 parts by mass of ion-exchanged water were stirred at room temperature for 30 minutes using a three-one motor to obtain a 0.2 mass% sacran aqueous solution. Next, 250 parts by mass of a 0.2% by mass sacran aqueous solution and 750 parts by mass of ion-exchanged water were stirred at room temperature for 30 minutes using a three-one motor to obtain fiber treatment agent composition A of this preparation example.
The content of sacran in fiber treatment agent composition A obtained from the blending amount was 0.05% by mass. The results are shown in Table 1.

(Preparation example 2)
250 parts by mass of the 0.2% sacran aqueous solution obtained in Preparation Example 1, 2.5 parts by mass of aqueous urethane resin dispersion (DEXCEL HPS PAD708U manufactured by DIC Corporation; nonvolatile content 40%) as a binder, and 747.5 parts by mass of ion-exchanged water. The mass part was stirred for 30 minutes at room temperature using a three-one motor to obtain fiber treatment agent composition B of this preparation example.
The content of sacran in fiber treatment agent composition B obtained from the blending amount was 0.05% by mass. The binder content in fiber treatment agent composition B was 0.1% by mass. The content of the binder was 200 parts by mass with respect to 100 parts by mass of sakran. The results are shown in Table 1.

“Preparation of processed fiber products for evaluation 1”
(Reference example 1)
<Adhesion process>
The fiber treatment composition A obtained in Preparation Example 1 was applied to a base fabric (cotton and polyester blend; M2000, manufactured by Shikibo Co., Ltd.) as a fiber base material using a mangle coating machine (manufactured by Tsujii Senki Kogyo Co., Ltd.). ), a basis weight of 80 to 90 g/m ² (amount of fiber treatment composition A applied on the base fabric of unit area), and 0.04 to 0.05 g/m ² in terms of Sacran (registered trademark) weight. It was coated according to the basis weight. A base fabric to which fiber treatment agent composition A was attached was obtained.

<Drying process>
The base fabric obtained in the above adhesion step and to which the fiber treatment agent composition A was adhered was subjected to a heat drying treatment at 70° C. for 1 minute. A sacran fiber processed product A was obtained as a processed fiber product.

(Evaluation of textile processed products)
(1) Tactile sensation The tactile sensation of the processed cherry fiber product when lightly pressed with a finger was evaluated in the following three grades (ABC rank), and the results are shown in Table 1.

A: There is a soft and moist feel B: There is a soft or moist feel C: There is no soft or moist feel

(2) Water absorption According to JIS L-1907 Water absorption test method for textile products (dropping method), drop one drop of water from a burette onto the textile product, and test from the time the water droplet reaches the surface of the fiber until the water droplet is absorbed. The time was measured. The average value of the five fiber processed products was rounded to an integer and evaluated in the following three levels (ABC rank), and the results are shown in Table 1.

A: Water absorption time is 5 seconds or less B: Water absorption time is 6 to 8 seconds C: Water absorption time is 9 seconds or more

(3) Hygroscopicity and desorption properties According to the JIS L-1954:2022 test method for moisture absorption and desorption properties over time of fabrics, the moisture absorption process was carried out by moving the fiber processed product from the low humidity side to the high humidity side, and the moisture absorption process from the high humidity side to the low humidity side. The mass change of the fiber processed product during the moisture release process when it was moved to the side was measured over time, and the moisture absorption rate and moisture release rate were calculated. The hygroscopicity and moisture desorption properties were each evaluated in the following three stages (ABC rank), and the results are shown in Table 2.

Hygroscopicity A: Moisture absorption rate is 0.45%/min or more B: Moisture absorption rate is 0.40-0.44%/min C: Moisture absorption rate is 0.39%/min or less

Moisture release property A: Moisture release rate is 0.40%/min or more B: Moisture release rate is 0.35 to 0.39%/min C: Moisture release rate is 0.34%/min or less

(Reference example 2)
<Adhesion process>
Fiber treatment agent composition B was prepared in the same manner as in Reference Example 1, except that fiber treatment agent composition B obtained in Preparation Example 2 was used instead of fiber treatment agent composition A obtained in Preparation Example 1. An adhered base fabric was obtained.

<Drying process>
Fiber processed product B was produced in the same manner as in Reference Example 1, except that after heating drying at 70° C. for 1 minute, heating drying was further performed at 130° C. for 1 minute. Evaluation was performed in the same manner as in Reference Example 1, and the results are shown in Table 2.

(Comparative example 1)
Instead of fiber processed product A, a base fabric (cotton and polyester blend; M2000 manufactured by Shikibo Co., Ltd.) was used as it was and evaluated in the same manner as in Reference Example 1. The results are shown in Table 2.

(Consideration)
As shown in Table 2, the processed fiber products of Reference Examples 1 and 2 obtained from the fiber treatment agent composition of the present invention had better texture, water absorption, and hygroscopicity than the untreated fiber of Comparative Example 1. The results were excellent in both moisture release and moisture release properties. When the processed fiber product of the present invention is used, for example, in clothing, it is thought to feel good on the skin and reduce stuffiness inside the clothing.

(Evaluation of washing resistance of textile processed products)
The washing resistance of the processed fiber products C to P of Examples 1 to 11 and Comparative Examples 2 to 4 was evaluated by the following method, and the results are shown in Tables 4, 6, and 8.

[Washing resistance evaluation method]
The washing process was carried out in accordance with the washing treatment conditions described in JIS L-0217-103 method (JIS L 1096 G method) "Display symbols and display methods for handling textile products".
Washing test machine:
A fully automatic recycle washing machine (SAD-135E) manufactured by Tsujii Denko Kogyo Co., Ltd. was used.
"Washing liquid"
JAFET standard combination detergent available from the Fiber Evaluation Technology Council was used.

"Washing process"
One cycle consisted of 5 minutes of washing in a washing solution at 40°C - spin-drying, followed by a 3-minute rinse with water below 30°C - spin-drying, followed by a 2-minute rinse with water below 30°C - spin-drying. This washing-rinsing process was repeated 10 times.

"Evaluation of washing resistance by cherry dyeing"
The washing resistance of the processed fiber products was evaluated based on the degree of dyeing of the fiber cloth when the cherries remaining on the processed fiber products were dyed with Alcian blue dye before and after washing, using the following criteria.
"standard"
A: Good, when the dyeing degree of the processed textile product after washing is the same as that of the unwashed processed textile product B: Slightly effective, when the dyeing intensity of the processed textile product after washing is the same as that of the unwashed textile product When the dyeing intensity is slightly lighter than that of the processed product C: No effect, when the dyeing intensity of the processed textile product after washing is noticeably lighter than that of the unwashed processed textile product

"Preparation of fiber treatment agent composition 2"
(Preparation example 3)
"Fiber pretreatment agent composition C"
According to each component of the fiber treatment composition shown in Table 3, 5.0 parts by mass of PAS (polyamine) PAS-M-1 (manufactured by Nittobo Medical Co., Ltd.) as a cationic resin and SP-931 (manufactured by DIC Corporation) as a binder. 89 parts by mass of ion-exchanged water was added to 6.0 parts by mass and stirred using a three-one motor (FBL600 manufactured by HEIDON) equipped with a propeller shaft to obtain fiber pretreatment agent composition C of this preparation example. . The results are shown in Table 3.

(Preparation example 4)
"Fiber pretreatment agent composition D"
According to each component of the fiber treatment composition shown in Table 3, 92 parts by mass of ion-exchanged water was added to 8.0 parts by mass of Boncoat SFC-55 (manufactured by DIC Corporation) as a cationic resin in the same manner as in Preparation Example 3. The mixture was stirred using a three-one motor (FBL600 manufactured by HEIDON) equipped with a propeller shaft to obtain a fiber pretreatment agent composition D of this preparation example. The results are shown in Table 3.

(Preparation example 5)
"Fiber treatment agent composition E"
A propeller shaft was prepared by adding 995 parts by mass of ion-exchanged water to 5.0 parts by mass of Sacran (manufactured by Green Science Materials Co., Ltd., sulfated polysaccharide derived from Porphyra japonica, molecular weight: about 2 million to about 20 million) as a sulfated polysaccharide. Using a three-one motor (FBL600 manufactured by HEIDON), the mixture was stirred at 75° C. for 8 hours to obtain a 0.5% by mass sacran aqueous solution. Further, this sacran aqueous solution was diluted twice with ion-exchanged water to prepare a fiber treatment agent composition E of a 0.25% by mass sacran aqueous solution. The results are shown in Table 3.

<Cationic resin>
PAS-1: Nittobo Medical Co., Ltd., PAS (polyamine) PAS-M-1
SFC-55: Manufactured by DIC Corporation, Boncourt SFC-55
<Binder>
SP-931: Manufactured by DIC Corporation, SP-931

“Preparation of processed fiber products for evaluation 2”
(Example 1 and 2)
"Sakran fiber processed products C and D"
<Pre-treatment process: adhesion process>
The fiber pretreatment agent compositions C and D obtained in Preparation Examples 3 and 4 above were coated using a mangle coating machine (manufactured by Tsujii Senki Kogyo Co., Ltd.) using polyester P-110 as the base fabric (as a fiber base material). The fabric weight of 70 to 80 g/m ² (coating amount of fiber pretreatment agent compositions C and D in unit area of the base fabric) was applied to the dyeing test fiber "Polyester Decine" (obtained from Shirosensha Co., Ltd.). A base fabric was obtained to which fiber pretreatment agent compositions C and D were attached at a basis weight of 3 to 4 g/m ² in terms of solid content weight in the fiber pretreatment agent composition.

<Pre-treatment process: drying process>
The base fabric to which the fiber pretreatment agent compositions C and D obtained in the above-described attachment step were attached was subjected to a heating drying treatment at 120° C. for 1 to 3 minutes. Preliminary fiber processed products C and D coated with cationic resin were obtained as preliminary fiber processed products.

<Adhesion process>
Fiber treatment agent composition E obtained in Preparation Example 5 above was applied to the cationic resin-coated preliminary fiber product to which fiber pretreatment agent compositions C and D were attached using a mangle coating machine (Tsujii Senki Kogyo Co., Ltd.). 70 to 80 g/ ^m2 of sacran prepared with fiber pretreatment composition E on top of fiber pretreatment compositions C and D (manufactured by Fiber Pretreatment Composition). A base fabric was obtained with a basis weight of 0.15 to 0.2 g/m ² in terms of cherry weight.

<Drying process>
The base fabric to which the fiber treatment agent composition E obtained in the above adhesion step was adhered was subjected to a heat drying treatment at 70° C. for 1 minute. As processed fiber products, processed fiber products C and D were obtained in which cherry blossoms were attached on the cationic resin layer. The results are shown in Table 4.

(Comparative example 2)
<Adhesion process>
The fiber treatment composition E obtained in Preparation Example 5 above was applied to polyester P-110 (fiber for dyeing test) as a base fabric (polyester (obtained from Irozomesha Co., Ltd. as "Decine"). A base fabric to which fiber treatment composition E was attached was obtained.

<Drying process>
The base fabric obtained in the above adhesion step and to which the fiber treatment agent composition E was adhered was subjected to a heat drying treatment at 70° C. for 1 minute. As a processed fiber product, processed sacran fiber product E was obtained.

ＴＥＭＰ：７０℃加熱処理

TEMP: 70℃ heat treatment

"Preparation of fiber treatment agent composition 3"
(Preparation example 6)
"Fiber treatment agent composition F"
A propeller shaft was prepared by adding 995 parts by mass of ion-exchanged water to 5.0 parts by mass of Sacran (manufactured by Green Science Materials Co., Ltd., sulfated polysaccharide derived from Porphyra japonica, molecular weight: about 2 million to about 20 million) as a sulfated polysaccharide. Using a three-one motor (FBL600 manufactured by HEIDON), the mixture was stirred at 75° C. for 8 hours to prepare a 0.5% by mass sacran aqueous solution.
In the final composition of this preparation example, a predetermined amount of the above 0.5% by mass sacran aqueous solution is added so that the content of sacran is 2 parts by mass, and 8 parts by mass of Epocross WS-500 manufactured by Nippon Shokubai Co., Ltd. as a crosslinking agent. , 17 parts by mass of DEXCEL HPS PAD 602 manufactured by DIC Corporation as a binder, 26 parts by mass of sodium carboxymethylcellulose (CMC Daicel 1350 manufactured by Daicel Millize Corporation) as a thickener, and the total amount of the final composition was 1000 parts by mass. Fiber treatment agent composition F was obtained by mixing ion-exchanged water. The results are shown in Table 5.

(Preparation Examples 7 to 11)
According to each component of the fiber treatment composition shown in Table 5, fiber treatment compositions G to K were obtained in the same manner as in Preparation Example 6. The results are shown in Table 5.

<Crosslinking agent>
WS-500: Epocross WS-500 manufactured by Nippon Shokubai Co., Ltd.
XC-830: Prominate XC-830 manufactured by Aica Kogyo Co., Ltd.
V-02-L2: Carbodilite V-02-L2 manufactured by Nisshinbo Chemical Co., Ltd.
<Binder>
HPS PAD 602: DEXCEL HPS PAD 602 manufactured by DIC Corporation
<Thickener>
CMC Daicel 1350: An aqueous solution of carboxymethylcellulose sodium/CMC Daicel 1350 manufactured by Daicel Millize Co., Ltd. dissolved in ion-exchanged water at 5% by mass was used.

“Preparation of fiber processed products for evaluation 3”
(Examples 3 to 7, Comparative Example 3)
<Adhesion process>
The fiber treatment agent compositions F to K obtained in Preparation Examples 6 to 11 above were placed on a 90-mesh screen mesh stencil, and the base fabric polyester P-110 (dyeing test fiber "Polyester Decine" (obtained from Shirosensha Co., Ltd.) was coated to obtain a base fabric to which the fiber treatment compositions F to K were attached.

<Drying process>
The base fabrics obtained in the above adhesion step and to which the fiber treatment agent compositions F to K were adhered were subjected to a heat drying treatment at 150° C. for 2 minutes. As processed fiber products, processed cherry fiber products F to K were obtained. The results are shown in Table 6.

ＴＥＭＰ：１５０℃加熱処理

TEMP: 150℃ heat treatment

"Preparation of fiber treatment agent composition 4"
(Preparation example 12)
"Fiber treatment agent composition L"
A propeller shaft was prepared by adding 995 parts by mass of ion-exchanged water to 5.0 parts by mass of Sacran (manufactured by Green Science Materials Co., Ltd., sulfated polysaccharide derived from Porphyra japonica, molecular weight: about 2 million to about 20 million) as a sulfated polysaccharide. Using a three-one motor (FBL600 manufactured by HEIDON), the mixture was stirred at 75°C for 8 hours to prepare a fiber treatment agent composition L containing a 0.5% by mass sacran aqueous solution. The results are shown in Table 7.

“Preparation of fiber processed products for evaluation 4”
(Examples 8 and 9)
<Adhesion process>
The fiber treatment agent composition L obtained in Preparation Example 12 above was applied using a mangle coating machine (manufactured by Tsujii Senki Kogyo Co., Ltd.) as a fiber base material to polyester P-110 (fiber for dyeing test). polyesterdecine" (obtained from Shirosensha Co., Ltd.), a basis weight of 70 to 80 g/m ² (amount of fiber treatment composition C applied to the base fabric per unit area), and 0.3 in terms of sacran weight. It was coated at a basis weight of ~0.4 g/m ² . A base fabric to which the fiber treatment agent composition L was attached was obtained.

<Drying process>
The base fabric to which the fiber treatment agent composition L was attached was subjected to heat treatment using high-temperature steam at 160°C and 180°C, respectively. As processed fiber products, processed cherry fiber products L and M were obtained.

(Examples 10 and 11)

<Adhesion process>
A base fabric to which the fiber treatment composition L was attached was obtained in the same manner as in Example 8.

<Drying process>
The base fabric obtained in the above adhesion step and to which the fiber treatment agent composition L was adhered was subjected to a heat treatment at 70° C. for 1 minute. A processed sacran fiber product precursor was obtained after the treatment.
The treated sacran fiber processed product precursors were heat-treated with high-temperature steam at 160° C. and 180° C., respectively. As processed fiber products, processed cherry fiber products N and O were obtained.

(Comparative example 4)
<Adhesion process>
A base fabric to which fiber treatment agent composition L was adhered was obtained in the same manner as in Example 10.

<Drying process>
The base fabric obtained in the above adhesion step and to which the fiber treatment agent composition L was adhered was subjected to a heat drying treatment at 70° C. for 1 minute. As a processed fiber product, processed sacran fiber product P was obtained.

TEMP1: Heat treatment with 160°C high temperature steam TEMP2: Heat treatment with 180°C high temperature steam TEMP3: Heat treatment with 70°C heat treatment + heat treatment with 160°C high temperature steam TEMP4: Heat treatment with 70°C heat treatment + heat treatment with 180°C high temperature steam TEMP5: Heat treatment with 70°C high temperature steam

(Consideration)
As shown in Table 4 above, by performing the treatments of Examples 1 and 2 using the fiber treatment agent of the present invention or the fiber treatment agent containing the fiber treatment agent, polyester fiber Sacran (registered trademark) fiber processed products can be made from sulfated polysaccharides. It is thought that it is firmly fixed to the polyester fiber fabric of the base fabric via the sulfate group or carboxyl group that the sacran molecule has and the cationic resin that constitutes the fiber treatment agent.

As shown in Table 4 above, the polyester fibers of Examples 1 and 2 obtained by using the fiber pretreatment agent containing the cationic resin and binder of the present invention and further using the fiber treatment agent containing the sulfated polysaccharide are SACRAN (registered trademark) fiber processed products made into cloth are made by combining the sulfuric acid groups and carboxyl groups of the sacran molecules of the sulfated polysaccharide on the surface of the fibers with the cationic resin and binder that constitute the fiber pre-treatment agent. It is thought that it is firmly fixed to the polyester fiber cloth. This is because the cationic resin contained in the fiber pretreatment agent charges the surface of the polyester fiber with a positive charge, making it easier for the anionic sulfated polysaccharide containing sulfate and carboxyl groups to approach the surface of the fiber. Become. Furthermore, it is thought that the coexistence of a binder makes it firmly adhere to the surface of the fibers.

As shown in Table 6 above, Sacran (registered trademark) fibers based on polyester fibers obtained by performing each treatment of Examples 3 to 7 using a fiber treatment agent containing a sulfated polysaccharide of the present invention. The processed product is made by cross-linking the sulfate group or carboxyl group of the sacran molecule of the sulfated polysaccharide with the functional group of the cross-linking agent that constitutes the fiber treatment agent, and then attaching it to the surface of the base polyester fiber cloth via a binder. It is thought that it is firmly fixed.
In addition, as shown in Table 8 above, the sacran molecules of the sulfated polysaccharide attached to the surface of the fibers can be absorbed into the interior of the polyester fibers by performing the drying process and heat treatment process of Examples 8 to 11 of the present invention. It can penetrate and firmly immobilize into polyester fibers.
According to the present invention, the sacran fiber processed products shown in Examples 1 to 11 have sacran molecules that remain without being detached from the fibers even after repeated washing, and have moisture retention, moisture absorption and release properties, stain resistance, and antistatic properties. It is possible to obtain fibers that do not deteriorate in functionality such as properties.

The processed fiber product of this embodiment has excellent water absorption, hygroscopicity, and moisture release properties, and is soft to the touch.In addition, it has excellent washing resistance, so it can be used, for example, in gloves, underwear, socks, etc. It is expected to be used for clothing such as , shirts, and clothes.

Claims (6)

A method for producing a processed fiber product, comprising a step of treating a fiber base material with a fiber treatment agent composition to obtain a processed fiber product,
The fiber treatment agent composition includes a fiber treatment agent and water,
The fiber treatment agent contains a sulfated polysaccharide,
The content of the sulfated polysaccharide in the fiber treatment agent composition is 0.001 to 5% by mass,
The manufacturing method includes an adhesion step of adhering the fiber treatment agent composition to the fiber base material, and a drying step of removing water from the fiber base material coated with the fiber treatment agent composition,
A method for producing a processed fiber product, characterized by at least one selected from the group consisting of (I) to (III) below.
(I) before the adhesion step, further comprising a step of pretreating the fiber base material using a fiber pretreatment agent composition containing a cationic resin to obtain a pretreated fiber base material;
The adhesion step is a step of adhering the fiber treatment agent composition to the pretreated fiber base material.
(II) The fiber treatment agent composition further contains a crosslinking agent, and the drying step includes a heat treatment step at a temperature range of 80°C to 260°C.
(III) The drying step includes a heat treatment step using high-temperature steam at a temperature range of 120° C. or higher. The method for producing a processed fiber product according to claim 1, wherein the sulfated polysaccharide is a sulfated polysaccharide originating from algae. The method for producing a processed fiber product according to claim 1 or 2, wherein the fiber treatment agent further contains a binder. 4. The binder according to claim 3, wherein the binder is at least one selected from the group consisting of urethane resin, acrylic resin, butadiene polymer, ethylene/vinyl acetate copolymer, natural rubber, silicone resin, and polyester resin. The method for manufacturing a processed fiber product as described. The method for producing a processed fiber product according to claim 3, wherein the content of the binder is 1 to 1,000 parts by mass based on 100 parts by mass of the sulfated polysaccharide. A textile processed product manufactured using the method for manufacturing a textile processed product according to claim 1 or 2,
A processed fiber product, wherein the amount of the fiber treatment agent attached to the fiber base material is 0.001 to 10.0 parts by mass based on 100 parts by mass of the fiber base material.