JPH03207325A - Cleaning product - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to cleaning products for floors, furniture, automobiles, etc. For details, refer to cleaning products consisting of raised fabrics, loop pile products, cut pile products, motsupu, no-taki, etc.0 [Prior technology] Traditionally, cleaning products consist of raised fabrics, loop pile products, cut pile products, motsupu, etc. BACKGROUND ART Water-retaining fibers such as cotton or rayon are generally used for cleaning supplies, but due to the diversification of cleaning in recent years, many proposals have been made for cleaning supplies with added functionality. For example, if the weight of the fibers forming the space in contact with the object to be cleaned is 25 or more,
Japanese Patent Publication No. 59-30419 discloses a cleaning cloth made of a wide surface area artificial fiber having a surface area of 5,000 aA or more, a polygonal or similar shape, and a flat cross-sectional shape with an aspect ratio of 2.5 or more. Newsletter, JP-A-60-24672
9. Disclosed in Publication No. 5. The yarn for motsupu is made by twisting crimped multifilament yarns of synthetic fibers such as nylon and polyester, and twisting them together with heat-adhesive filament threads, which are then heat-fused and bonded together with the heat-adhesive filament threads. As disclosed in Japanese Patent Publication No. 63-9418, "!7't, a large number of spun yarns containing irregular cross-section fibers and filament yarns or spun yarns that are heat-shrinkable and can be heat-set are used. A cleaning motsu made of nine-pile yarn twisted and fixed is disclosed in JP-A No. 63-92320, JP-A No. 63-281613, 41 JP-A No. 63-2816.
Proposed in issue 14, etc. 〇 [Initial issues that the invention is about to solve] Randy supplies or mootsup yarn for cleaning products made of water -absorbing fibers such as conventional cotton, rayon yarn, polyvinyl alcohol fibers The firmness is poor, and the bulkiness is not obtained. In addition, napped fibers m or motsupu threads of cleaning products made of synthetic fibers such as nylon fibers and polyester fibers are used for cleaning oils 1, for example, surfactants,
If wax, paraffin oil, or other oily substances are applied, the fibers may become sticky and cause secondary contamination of the object to be cleaned.

The present invention provides cleaning products made of water-absorbent, oil-absorbent, bulky napped fibers or motsu yarns, for example.

Raised fabrics, loop pile products, cut pile aa.

They offer motsupu, hataki, etc.

[Ninth means to solve the problem]

That is, the present invention provides a composite fiber in which a polyvinyl alcohol polymer with a saponification degree of A mol % and a polyvinyl alcohol polymer with a saponification degree of 8 mol are joined side-by-side mt* in an eccentric core-sheath type. A-B) is 0.2 to 2.5
and A is 98.0 or more, and the weight ratio of the polyvinyl alcohol polymer with a saponification degree of A mol and the polyvinyl alcohol polymer with a saponification degree of 8 mol is 2:8 to 8:2. This is a cleaning product that has napped fibers or motsu threads mainly composed of composite fibers.

The polyvinyl alcohol composite fiber used in the present invention is made of a polyvinyl alcohol polymer with a saponification degree of A mol% (hereinafter sometimes simply referred to as PVA-A) and a polyvinyl alcohol polymer with a saponification degree of B mol%. Coalesce (hereinafter sometimes simply referred to as PVA-B) is a side-by-side composite fiber joined in an eccentric core-sheath type. In the invention, the average degree of polymerization of PVA-A is 1.
400 or more is preferable, especially 1,500 to 13,0
A range of 00 is preferred. The saponification degree is required to be 98.04 l or more, preferably 99.84 l or more. The average degree of polymerization of I'VA-B is preferably 1,300 or more, and in particular, the degree of saponification is preferably in the range of 1.400 to 12,500.
It is necessary to have a low value of 2.5 mol, preferably a polymer with a saponification degree of 98.0 to 96.0, so that the saponification degree of PVA-A is 98.0 mol or more. is set at 9 to maintain the flexibility and elasticity of the fibers and to reduce the amount of loss due to dissolution. Also PVA-people and P
If the difference in the degree of saponification with VA-B is less than 0.2 molt, there is no difference in the water swelling properties of the two types of joined PVA, and sufficient crimp will not occur. If the difference in saponification degree exceeds 25 moles, good crimped fibers can be obtained.

PVA with a lower degree of saponification dissolves in water, and during repeated use, the fibers stick together and harden, eliminating crimp.

More preferably than 0, which does not result in water-resistant crimped fibers,
The difference in the degree of saponification is within 0.5% to 1 mol, and the following case is 0% saponification [OJ% 2[11%] PVA-A and Bl are respectively dissolved in a solvent to prepare an IHI type polyvinyl alcohol spinning stock solution. . Preferably, PVA-A and PVA-B should have a saponification degree as well as a difference of 50 to 300 in average polymerization degree to improve self-crimping.

and preferred for crimp form stability. Furthermore, in PVA-A and /17t, BK is an inorganic pigment with a desired color tone.

It is also preferable to add 0.5 to 5 weight of a coloring agent selected from organic pigments or dyes to the polymer to color the stock solution and prepare a nine-spinning stock solution. and.

The prepared polyvinyl alcohol spinning dope is, for example.

Using a bonded composite spinneret, polyvinyl alcohol composite fibers are obtained by spinning using a wet spinning method or dry spinning method, and these polyvinyl alcohol composite fibers are subjected to treatments such as drawing and application of an oil agent to obtain a single fiber fineness of 0. Composite fibers of 8 to 10 deniers are used. PvAOIii combined ratio (weight ratio u, PVA-A: PVA-B-2: 8-8: 2
If the ratio of s, l(,PVA-A(2) is less than 205b, the fibers bonded due to the shrinkage behavior of PVA-H will not develop crimp; In this case, the shrinkage stress of 5PVA-B is so small that it cannot contract and crimp does not occur.Preferably, the bonding ratio of PVA is 4:6 to 6:4 to avoid peeling of the bonded portion. , a composite yarn that can develop stable crimp, has good shape stability, and is bulky due to the development of crimp can be obtained.

The crimped fibers may have any cross-sectional shape such as circular, flat, triangular, T-shaped, or Y-shaped.

The composite fiber obtained in this way develops a high degree of three-dimensional crimp through subsequent heat treatment, thereby maintaining the bulkiness of the product. ℃, 110-120℃ with warm heat, 15℃ with dry heat
Although it is possible to carry out the process at a temperature of about 0°C, it is most preferable to carry out the process in hot water.

In the present invention, this polyvinyl alcohol composite fiber is cut into short fibers of 30 to 10,011 m, and spun to make a spun yarn, or multifilament yarns are combined and twisted once to make a multifilament processed yarn. It can be used as pile yarn or motsupu yarn for cleaning supplies. However, it is preferable to use multifilament-processed yarn from the viewpoints of hair removal, bulkiness, crimp stability, etc. of pile yarn or mop yarn. Although the shape wA of the cleaning product of the present invention is not particularly limited, 1. For example, spun yarn or multifilament processed yarn is used as pile yarn, the pile yarn is woven to create a woven pile fabric, and the pile yarn is attached to the base fabric. Pile products such as nine-loop pile products or cut pile products,
te#: t, woven fabric obtained by weaving or knitting with spun yarn of polyvinyl alcohol composite fiber 1 Fiber-raised fabric obtained by raising a fabric such as knitted fabric, or cutting polyvinyl alcohol composite fiber The fibers are made into short fibers with a thickness of 30~Room, and then made into a fiber web using a dry method.After that, the fibers are entangled and fixed with a nonwoven fabric, binder resin, or binder fiber. Examples include nonwoven fabrics. Furthermore.

Spun yarns of polyvinyl alcohol composite fibers or processed multifilament yarns are combined and twisted to form tufts for motsupu and planted on the base fabric], or one end of the tufts for motsupu is aligned and fixed. You can also make motsupu or hataki dando. In the present invention, the shape of the cleaning product as described above is created, and then it is heat-treated with heat or hot water to cause the polyvinyl alcohol composite fiber to self-crimp, and the shape is stabilized by heat-setting. 〇Also, if necessary, dyeing treatment, wetting agents, polishing agents, sterilizing/antibacterial agents, oils, fragrances, etc. may be applied to make cleaning products. .

In the cleaning product of the present invention, the fibers exhibit stable crimp due to self-crimping, are bulky, and have good shape and state stability.

There is no fiber shedding and there is little cross-contamination.Furthermore, it retains water and oil well, does not feel sticky, has good drying properties, has excellent wipeability, and maintains its performance even after repeated washing. It has the following characteristics.

The cleaning products of the present invention are suitable for use as wiping cloths such as raised fabrics and non-woven fabrics, for use as pile products for wiping footwear as entrance mats, and for wiping/cleaning floors etc. for soft products. .

〔Example〕

Next, one embodiment of the present invention will be explained using specific examples, but the present invention is not limited to these examples. Note that parts and - in the examples refer to weight unless otherwise specified.

Example 1 Average degree of polymerization 1800. Polyvinyl alcohol Al with saponification degree of 99.97 mol% and average polymerization [1750° saponification [9
A blue coloring agent was added to a spinning thick solution obtained by dissolving 7.2 mol of polyvinyl alcohol t-25- and mixed polyvinyl alcohol B1, which is a 751% mixture of polyvinyl alcohol At, in a solvent. %
The spinning solution was adjusted by adding the following amount. Each spinning solution was prepared by a dry method using a bonded spinneret with a polyvinyl alcohol bonding ratio of 1.
: 500 dr obtained by joint type composite spinning at 1 and stretching by a
/100 fil, blue dope-dyed multifilament yarn, %A, 3 multifilament yarns, 1 in the S direction.
The yarn was twisted 50 times/m to obtain a 1.500 dr lower twisted yarn.

T4 of these pre-twisted threads are twisted together to make a tufted thread for motsupu.

A woven fabric was planted as a base material to form a mop body, and this mop body was heat-treated in hot water at 90° C. for 15 minutes to develop crimp in the composite fibers. The obtained motsupu product had bulky tassels and good retention of wax liquid.

This Motsupu product shows no change in bulk even after repeated washing with water 50 times after each use, and there is no shedding of fibers or decline in wax liquid retention, allowing it to remain in good use condition. .

Example 2 Three ft 1.500 dr multifilament yarns obtained in Example 1 were combined and twisted once to obtain a 4.500 dr ft pile yarn. This pile yarn is made of double-thread polyester #! Woven gauze fabric (weaving density 20 x 20 strands/in”)
It is implanted into the base material with a gauge of 1/10 inch, 10 stitches, and a pile length of 8 cm, and is dyed in 100°C hot water containing a blue dye and treated to develop self-crimping of the fibers. After drying,
A latex liquid was applied to the back side, linen cloth was attached, dried, and heat treated at 130° C. for 10 minutes to give one surface finish to obtain a loop pile product.

The obtained loop pile product has a pile surface with high bulkiness and high compressive elasticity, and has an excellent wiping effect. Even after repeated washing with water, the bulkiness does not decrease, making it suitable as a wiping mat for entrances.690 Example 3 Average degree of polymerization: 1,800 Polyvinyl alcohol film 2 with saponification degree of 99.98 moles and average polymerization 1 [1,600.

Saponification of 20 mol of polyvinyl alcohol
- Mix 8096 of polyvinyl alcohol A2 and dissolve 9 mixed polyvinyl alcohol B2 in a solvent to prepare a spinning solution by adding a blue colorant to the spinning stock solution in an amount of 1.511 to polyvinyl alcohol. did. Each spinning solution was subjected to side-by-side composite spinning using a dry method using a bonded spinneret with a polyvinyl alcohol bonding ratio of 1:1.
It was stretched 4.3 times, mechanically crimped and cut into fibers with a length of 51 to obtain a staple fiber with a single fiber length of lj 2 dr. 80 parts of this stable fiber and thermal binder composite fiber (
A core-sheath type composite fiber whose core component is polyethylene terephthalate and sheath component is copolymerized polyester, fineness 2.5 dr, fiber length 5111 m) is mixed with 20 parts, and an average basis weight of 4 is obtained by dry method.
A fiber web of 5 f/d was prepared, and the fibers were entangled by water jet bonding treatment to obtain a fiber entangled nonwoven fabric. Next.

Processed for 5 minutes in a hot air atmosphere at 135°C for drying,
In addition to adhesively fixing the joints of the fibers with binder fibers, the polyvinyl alcohol fibers were made to develop self-crimping.

The resulting nonwoven fabric has polyvinyl alcohol fibers that exhibit beautiful micro-crimps, an average basis weight of 67 f/♂, and an apparent density of 0.
．． It is a bulky nonwoven fabric of 16 f/-. One surface of this nonwoven fabric was subjected to a napping treatment to form a fiber napping surface.

This nonwoven fabric is made into a wiping cloth by containing a wetting agent and a bactericidal agent.9. This wiping cloth has no sticky feeling, is flexible and has a good texture, has high liquid absorption and liquid retention properties for water or a mixture of water and oil, and has an excellent wiping effect, making it suitable for cleaning in the kitchen. If it gets dirty, it can be washed with water before use, but it can also be sterilized by hot water treatment, and hot water treatment is rarely used because it is suitable for restoring bulk.

Example 4 Saponified IE 99.98 mol-〇 Polyvinyl Alcohol A
s and saponification degree of 97.5 mol - polyvinyl alcohol of 2596. A spinning solution was prepared by mixing 75% polyvinyl alcohol A3 and dissolving 9 mixed polyvinyl alcohol B3 in a solvent, and adding a brown colorant in an amount of 0.596 to the polyvinyl alcohol to the 9 spinning stock solution. Next.

Each spinning solution was subjected to side-by-side composite spinning in a dry method using a bonded spinneret at a polyvinyl alcohol bonding ratio of 1:1, and was drawn 4.0 times to obtain a filament yarn with a single fiber fineness of 2.5 dr.

The processed yarn obtained by doubling and twisting these filament yarns is used as pile yarn to create a pile fabric using double weave, shirring, and repeated brushing to create napped fiber summary 3■
A napped fabric was obtained. Next, the polyvinyl alcohol fibers were treated in hot water at 95°C for 2 minutes, dried, and backed with a resin. Obtained.

This napped fabric can be made into natural leather or artificial leather-like sheet products by adding wetting agents and oils.

It was suitable for cleaning and wiping products with fine wrinkles and unevenness, such as shoes, bags, furniture, and clothing.

Claims (1)

[Claims] In a composite fiber in which a polyvinyl alcohol polymer with a saponification degree of A mol % and a polyvinyl alcohol polymer with a saponification degree of B mol % are joined in a side-by-side type or an eccentric core-sheath type, (A-B) is 0.2 to 2. .5 and A is 9
8.0 or more, and the weight ratio of a polyvinyl alcohol polymer with a saponification degree of A mol% to a polyvinyl alcohol polymer with a saponification degree of B mol% of 2:8 to 8:2 is mainly used. A cleaning product having constructed napped fibers or motu threads.