CN106948030A - A kind of high hydrophilic moisture absorption terylene and preparation method thereof - Google Patents
A kind of high hydrophilic moisture absorption terylene and preparation method thereof Download PDFInfo
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- CN106948030A CN106948030A CN201710203415.2A CN201710203415A CN106948030A CN 106948030 A CN106948030 A CN 106948030A CN 201710203415 A CN201710203415 A CN 201710203415A CN 106948030 A CN106948030 A CN 106948030A
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- terylene
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides high hydrophilic moisture absorption terylene of one kind and preparation method thereof, this method comprises the following steps：A) calcium carbonate, Hdyrophilic polyurethane section are mixed with terylene chips, by the way of reaction in-situ, obtains hydrophilic terylene chips；B) the hydrophilic terylene chips for obtaining step a) carry out melt spinning, then by alkali process, obtain high hydrophilic moisture absorption terylene.The present invention is by the way of reaction in-situ, and addition inorganic carbonate calcium particle and hydrophilic functional polyurethane section effectively improve the hydrophilic hygroscopicity of terylene；And part calcium carbonate particle, from PET fiber surface dissolution, can make fiber surface formation pit etc. in subsequent step, so as to improve the moisture absorption conduction of fiber.Therefore, the preparation method that the present invention is provided can be greatly enhanced the hydrophilic moisture pick-up properties of dacron product.
Description
Technical field
The present invention relates to modified dacron technical field, more particularly to a kind of high hydrophilic moisture absorption terylene and preparation method thereof.
Background technology
Polyester fiber belongs to polyester fiber, is the first big kind in synthetic fibers, and its yield accounts for chemical fibre total output
More than 80%.Terylene has intensity good in clothing aspect of performance, and the advantages of smooth well-pressed, quick-drying washable, but terylene is fine
Dimension is close due to intramolecule arrangement, intermolecular to lack hydrophilic-structure, and its regain is very small (generally 0.4%), hygroscopicity
Difference and be easily caused charge accumulated, the poor-performing such as gas permeability, dyeability of fabric.
With the improvement of living standards, people wear to fabric and propose higher requirement, than if desired for the existing cotton of fabric
Hygroscopicity, the flexibility for having silk again also requires the warmth retention property of hairiness.Therefore, develop it is a kind of have simultaneously high absorbing sweat, perspire,
Rapid-curing cutback fabric polyester fiber, is that researcher and enterpriser have been working hard the target pursued for many years.Wherein, improve terylene to knit
The moisture absorption of thing, it is perspiration wicking be one of direction of following textile development.
Mainly there are two aspects to the moisture-absorption modified of terylene at present：One is physical modification, and it is mainly in terylene spinning
During carry out physical modification, or there is provided hydrophilic radical or convex-concave are irregular being handled into fine surface
Structure；Two be chemical modification, the main molecular chain structure for changing terylene with chemical graft or the method for block copolymerization, is improved
The wearability of terylene, hydrophilicity.Above two method is respectively adopted modified, fiber is in hydrophily, antistatic property, clothes
With being obtained for certain improvement in terms of performance, but still suffer from hydrophilicity not enough, the not good defect of effect.
The content of the invention
In view of this, the application provides a kind of high hydrophilic moisture absorption terylene and preparation method thereof, the preparation side that the present invention is provided
Method can be greatly enhanced the hydrophilic moisture pick-up properties of dacron product.
The present invention provides a kind of preparation method of high hydrophilic moisture absorption terylene, comprises the following steps：
A) calcium carbonate, Hdyrophilic polyurethane section are mixed with terylene chips, by the way of reaction in-situ, obtains hydrophilic wash
Synthetic fibre is cut into slices；
B) the hydrophilic terylene chips for obtaining step a) carry out melt spinning, then by alkali process, obtain high hydrophilic suction
Wet terylene.
Preferably, in the step a), calcium carbonate and the Hdyrophilic polyurethane section and the mass ratio of terylene chips are
(2~6)：(10~20)：(20~80).
Preferably, in the step a), the reaction in-situ is specially：
2~5h is reacted in 0.2~0.5MPa, 1~2h is then reacted under 260~290 DEG C of normal pressures, finally 270~310
Reacted under DEG C vacuum condition, obtain hydrophilic terylene chips.
Preferably, in the step b), the temperature of the melt spinning is 230~270 DEG C.
Preferably, in the step b), the melt spinning is carried out using W types spinneret.
Preferably, in the step b), the pH value of the alkali process is 9~11, and the time is 3~7min.
Preferably, the Hdyrophilic polyurethane section is obtained by following methods：
It is beaten after vinyl amine, terephthalic acid (TPA), divinylbenzene and initiator are mixed, obtains slurry；The ethene
The mass ratio (10~20) of base amine, terephthalic acid (TPA) and divinylbenzene：(20~40)：(10~30)；
The slurry is subjected to esterification in 100~270 DEG C, reaction solution is obtained；
By the reaction solution in 120~190 DEG C of reactions, granulation obtains Hdyrophilic polyurethane section.
Preferably, the weight average molecular weight of the Hdyrophilic polyurethane section is 400~500KDa, and average grain diameter is 6~9 micro-
Rice.
The present invention provides a kind of high hydrophilic moisture absorption terylene, and its preparation method by mentioned earlier is made, the hydrophilic suction of height
The regain of wet terylene is 3~6%.
Preferably, the high hydrophilic moisture absorption terylene is FDY, and fineness is 0.4~1.5D, elongation at break for 130~
150%.
Compared with prior art, the present invention first mixes calcium carbonate and Hdyrophilic polyurethane section with terylene chips, uses
The mode of reaction in-situ, obtains hydrophilic terylene chips；Then melt spinning is carried out, then by alkali process, obtains high hydrophilic moisture absorption
Terylene.The present invention is by the way of reaction in-situ, and addition inorganic carbonate calcium particle and hydrophilic functional polyurethane section are effectively carried
The hydrophilic hygroscopicity of high terylene；And part calcium carbonate particle, from PET fiber surface dissolution, can make fiber in subsequent step
Surface forms pit etc., so as to improve the moisture absorption conduction of fiber.Therefore, the preparation method that the present invention is provided, which can be greatly enhanced, washs
The hydrophilic moisture pick-up properties of synthetic fibre product.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The invention provides a kind of preparation method of high hydrophilic moisture absorption terylene, comprise the following steps：
A) calcium carbonate, Hdyrophilic polyurethane section are mixed with terylene chips, by the way of reaction in-situ, obtains hydrophilic wash
Synthetic fibre is cut into slices；
B) the hydrophilic terylene chips for obtaining step a) carry out melt spinning, then by alkali process, obtain high hydrophilic suction
Wet terylene.
The present invention is the carrier based on terylene chips, then adds functional material, again spinning again.The present invention is prepared
Dacron product there is higher hydrophilic moisture pick-up properties, antistatic property is excellent, is greatly enhanced the comfortable of polyester fabric dress
Property.
The embodiment of the present invention prepares Hdyrophilic polyurethane section first, can use hydrophilic monomer, terephthalic acid (TPA), crosslinking agent
With the raw material such as initiator, prepared by process such as slurrying, esterification and sections.The Hdyrophilic polyurethane section can also
Using commercially available prod；The weight average molecular weight of the Hdyrophilic polyurethane section can be 400~500KDa；Its average grain diameter is preferably 6
~9 microns.
In a preferred embodiment of the invention, the Hdyrophilic polyurethane section is obtained by following methods：By vinyl amine, right
It is beaten after phthalic acid, divinylbenzene and initiator mixing, obtains slurry；The vinyl amine, terephthalic acid (TPA) and diethyl
The mass ratio (10~20) of alkenyl benzene：(20~40)：(10~30)；The slurry is subjected to esterification in 100~270 DEG C,
Obtain reaction solution；By the reaction solution in 120~190 DEG C of reactions, granulation obtains Hdyrophilic polyurethane section.
In the above-mentioned methods, the embodiment of the present invention can be by a certain proportion of hydrophilic monomer vinyl amine, terephthalic acid (TPA)
It is added to cross-linker divinylbenzene and radical initiator azodiisobutyronitrile in slurrying kettle, preferably under nitrogen protection,
It is beaten in 20~60 DEG C of temperature, until well mixed.The temperature of the mashing is preferably 30~50 DEG C；Time range be 30~
60min。
The product that the embodiment of the present invention obtains slurrying is pressed into esterifying kettle, preferably under nitrogen protection under normal pressure, in 100~
270 DEG C of stirring reactions, obtain reaction solution.The temperature of the reaction is preferably 120~250 DEG C, more preferably 150~200 DEG C.Institute
The time for stating reaction is preferably 1 hour~4 hours, more preferably 2 hours~3 hours；And discharge the water condensation of production, obtain
Clear liquid.
The embodiment of the present invention squeezes into the reaction liquid that esterification is obtained in reaction Double-screw, and reaction temperature is 120~190
DEG C, preferably 150~180 DEG C；The time range of the reaction is 45~75min.Then, the present invention preferably granulation underwater, does
It is dry, after packaging, obtain the Hdyrophilic polyurethane section that weight average molecular weight is 400~500KDa, average grain diameter is 6~9 microns.
The embodiment of the present invention mixes a certain proportion of calcium carbonate, Hdyrophilic polyurethane section, terylene chips, by situ anti-
The mode answered obtains hydrophilic terylene chips.
In an embodiment of the present invention, the mass ratio of calcium carbonate and the Hdyrophilic polyurethane section and terylene chips is (2
~6)：(10~20)：(20~80), be preferably (3~5)：(12~18)：(30~60).The reaction in-situ is preferably specially：
Make three carry out the first step in 0.2~0.5MPa to react 2~5h, second step reaction 1 is then carried out under 260~290 DEG C of normal pressures
~2h, finally carries out three-step reaction under 270~310 DEG C of vacuum conditions, obtains hydrophilic terylene chips.Wherein, described first
The temperature of step reaction is 100~150 DEG C；The time of the three-step reaction is 60~90min.
Obtain after hydrophilic terylene chips, the embodiment of the present invention is reeled off raw silk from cocoons：By the hydrophilic terylene chips in uniform temperature
Lower melting, terylene precursor is made by spinneret, is then passed through a series of post processings, is obtained high hydrophilic moisture absorption terylene.
In an embodiment of the present invention, the temperature of the melt spinning is 230~270 DEG C, preferably 240~260 DEG C.This
Invention preferably through W type spinneret spinning, can obtain the high hydrophilic polyester monofilament that shape of cross section is W types.The embodiment of the present invention is led to
Cross above-mentioned abnormal-shape spinneret plate and carry out melt spinning, be conducive to improving hydrophilic hygroscopicity.
Obtain after terylene precursor, according to the technique of ordinary polyester spinning in this area, the embodiment of the present invention is rolled, fall
Cylinder, balance boundling, seal wire, it is pre-stretched and oils, then it is hot through once or succeeding stretch, finally carrying out thermal finalization, curling, relaxation
Sizing, cut-out, packing, finally give high hydrophilic moisture absorption polyester filament.
The fiber that the embodiment of the present invention obtains spinning carries out alkali process, obtains high hydrophilic moisture absorption and wash by alkaline tank
Synthetic fibre.In an embodiment of the present invention, the pH value of solution is 9~11 in alkaline tank, i.e., the pH value of described alkali process is 9~11.
The present invention is not particularly limited to alkaline matter used in alkaline tank, can use sodium hydroxide solution, potassium hydroxide solution
Deng.Treatment time of the fiber in this alkaline tank can be 3min~7min, preferably 4min~6min.In this alkali process
Under the conditions of, the present invention is conducive to PET fiber surface part calcium carbonate particle to be dissolved, in fiber surface formation pit, so as to carry
The moisture absorption conduction of high microsteping.
Present invention also offers the high hydrophilic moisture absorption terylene of one kind, its preparation method by mentioned earlier is made, the high parent
The regain of water moisture absorption terylene is more than or equal to 3%, is such as 3~6%.
In an embodiment of the present invention, the high hydrophilic moisture absorption terylene is FDY (fully drawn yarn)；Its fineness can be 0.4
~1.5D, elongation at break is 130~150%.In a preferred embodiment of the invention, the high hydrophilic polyester monofilament is transversal
Face is shaped as W types.
In summary, the present invention is by the way of reaction in-situ, addition inorganic carbonate calcium particle and hydrophilic polyurethane work(
It can cut into slices, effectively improve the hydrophilic hygroscopicity of terylene；And part calcium carbonate particle is in subsequent step from PET fiber surface
Dissolution, can make fiber surface formation pit etc., so as to improve the moisture absorption conduction of fiber.High hydrophilic terylene obtained by the present invention is long
Silk has sucting wet air permeability, dissipates wet speed soon, and the features such as antistatic property is excellent, the dress that can be greatly enhanced polyester fabric is relaxed
Adaptive；And fiber surface has pit, available for high-grade terylene physical culture fabric product development.
For a further understanding of the application, the high hydrophilic moisture absorption terylene provided with reference to embodiment the application and its system
Preparation Method is specifically described.
Embodiment 1
It is high Hdyrophilic polyurethane section production first, it comprises the following steps：
(1) slurrying：By mol ratio 10：20：20：20 hydrophilic monomer vinyl amine, terephthalic acid (TPA) and crosslinking agent two
Vinyl benzene and radical initiator azodiisobutyronitrile are added in slurrying kettle, under nitrogen protection, at a temperature of 60 DEG C
30min is beaten, until well mixed.
(2) it is esterified：In the product press-in esterifying kettle that slurrying is obtained, under nitrogen protection under normal pressure, in 270 DEG C of stirring reactions
1 hour, and the water condensation of production is discharged, obtain clear liquid.
(3) cut into slices：The reaction liquid that the esterification is obtained is squeezed into reaction Double-screw, 190 DEG C of reaction temperature, during reaction
Between be 60min；After granulation underwater, drying, packaging, it is that 400~500KDa, average grain diameter are 6~9 microns to obtain weight average molecular weight
Hdyrophilic polyurethane section.
Next to that high Hdyrophilic polyurethane section obtained above is added in the production process of polyester filament, i.e. 75D/
The production method of the high hydrophilic moisture absorption polyester filaments of 72F comprises the following steps：
(1) in-situ polymerization：According to mass ratio, calcium carbonate (2%), Hdyrophilic polyurethane section (10%), polyester FDY are cut
Piece (88%) is mixed, and polyester slice is obtained using the method for in-situ polymerization, and it makes three carry out ester by the first step in 0.2MPa
Change reaction 2h, second step carries out precondensation polymerization 1h under 260 DEG C of high-temperature pressures, and the 3rd step is carried out under 270 DEG C of vacuum conditions
Finishing reaction 60min, prepares high hydrophilic terylene chips.
(2) reel off raw silk from cocoons：Terylene is made through the melting of W types spinneret at 230 DEG C in the high hydrophilic terylene chips that step 1 is obtained
Precursor, then rolled, doffing, balance boundling, seal wire, is pre-stretched and oils, then through once or succeeding stretch, finally carrying out
Thermal finalization, curling, relaxation heat setting, cut-out, packing, finally give high hydrophilic moisture absorption polyester filament.
(3) alkali process：The fiber that step 2 is obtained is by an alkaline tank, and the pH of solution is 9 in tank, and fiber is at this
Treatment time in alkaline tank is 3min, so as to obtain high hydrophilic moisture absorption polyester filament product.
Physical index is tested：The high hydrophilic polyester filament product and existing polyester filament product that the present invention is made are knitted respectively
Into 32S polyester plain weave fabrics, and test following index.Test result is referring to table 1, and table 1 is that existing dacron product and embodiment 1 are made
Into dacron product hygroscopicity test result.
The hygroscopicity test result for the dacron product that the existing dacron product of table 1 and embodiment 1 are made
Washing methods：The textile absorbing fast-drying performance evaluation GB/T 21655.1-2008 hygroscopicity of AATCC 135 (is dripped
Diffusion time, measure wicking height are according to GB/T 21655.1-2008 method of testings)
Data above is shown, compared with existing dacron product, and no matter product of the present invention washes preceding and after washing, in hygroscopicity
Existing product is all substantially better than in (diffusion time of dripping, measure wicking height) two indexs, illustrating product of the present invention, it is obviously improved
The shortcoming of existing dacron product hygroscopicity difference.
Embodiment 2
It is high Hdyrophilic polyurethane section production first, it comprises the following steps：
(1) slurrying：By mol ratio 20：30：20：30 hydrophilic monomer vinyl amine, terephthalic acid (TPA) and crosslinking agent two
Vinyl benzene and radical initiator azodiisobutyronitrile are added in slurrying kettle, under nitrogen protection, at a temperature of 20 DEG C
60min is beaten, until well mixed.
(2) it is esterified：In the product press-in esterifying kettle that slurrying is obtained, under nitrogen protection under normal pressure, in 100 DEG C of stirring reactions
2 hours, and the water condensation of production is discharged, obtain clear liquid.
(3) cut into slices：The reaction liquid that the esterification is obtained is squeezed into reaction Double-screw, 120 DEG C of reaction temperature, during reaction
Between be 2 hours；After granulation underwater, drying, packaging, it is that 400~500KDa, average grain diameter are 6~9 microns to obtain weight average molecular weight
Hdyrophilic polyurethane section.
Next to that high Hdyrophilic polyurethane section obtained above is added in the production process of terylene spinning, i.e. 100D/
The production method of the high hydrophilic polyester filaments of 72F comprises the following steps：
(1) in-situ polymerization：According to mass ratio, calcium carbonate (4%), Hdyrophilic polyurethane section (15%), polyester FDY are cut
Piece (81%) is mixed, and polyester slice is obtained using the method for in-situ polymerization, and it makes three carry out ester by the first step in 0.35MPa
Change reaction 3h, second step carries out precondensation polymerization 1.5h under 270 DEG C of high-temperature pressures, and the 3rd step is entered under 290 DEG C of vacuum conditions
Row finishing reaction 1 hour, prepares high hydrophilic terylene chips.
(2) reel off raw silk from cocoons：Terylene is made through the melting of W types spinneret at 250 DEG C in the high hydrophilic terylene chips that step 1 is obtained
Precursor, then rolled, doffing, balance boundling, seal wire, is pre-stretched and oils, then through once or succeeding stretch, finally carrying out
Thermal finalization, curling, relaxation heat setting, cut-out, packing, finally give high hydrophilic moisture absorption polyester filament.
(3) alkali process：The fiber that step 2 is obtained is by an alkaline tank, and the pH of solution is 10 in tank, and fiber is at this
Treatment time in alkaline tank is 5min, so as to obtain high hydrophilic moisture absorption polyester filament product.
Physical index is tested：The high hydrophilic polyester filament product and existing polyester filament product that the present invention is made are knitted respectively
Into 32S polyester plain weave fabrics, and test following index.Test result is referring to table 2, and table 2 is that existing dacron product and embodiment 2 are made
Into dacron product hygroscopicity test result.
The hygroscopicity test result for the dacron product that the existing dacron product of table 2 and embodiment 2 are made
Washing methods：The textile absorbing fast-drying performance evaluation GB/T 21655.1-2008 hygroscopicity of AATCC 135 (is dripped
Diffusion time, measure wicking height are according to GB/T 21655.1-2008 method of testings)
Data above is shown, compared with existing dacron product, and no matter product of the present invention washes preceding and after washing, in hygroscopicity
Existing product is all substantially better than in (diffusion time of dripping, measure wicking height) two indexs, illustrating product of the present invention, it is obviously improved
The shortcoming of existing dacron product hygroscopicity difference.
The above is only the preferred embodiment of the present invention, it is noted that the professional technique for making the art
Personnel, on the premise of the technology of the present invention principle is not departed from, are that by a variety of modifications to these embodiments, and these
Modification also should be regarded as the scope that the present invention should be protected.
Claims (10)
1. a kind of preparation method of high hydrophilic moisture absorption terylene, comprises the following steps：
A) calcium carbonate, Hdyrophilic polyurethane section are mixed with terylene chips, by the way of reaction in-situ, obtains hydrophilic terylene and cut
Piece；
B) the hydrophilic terylene chips for obtaining step a) carry out melt spinning, then by alkali process, obtain high hydrophilic moisture absorption and wash
Synthetic fibre.
2. preparation method according to claim 1, it is characterised in that in the step a), the calcium carbonate and hydrophilic poly-
Urethane is cut into slices and the mass ratio of terylene chips is (2~6)：(10~20)：(20~80).
3. preparation method according to claim 1, it is characterised in that in the step a), the reaction in-situ is specially：
2~5h is reacted in 0.2~0.5MPa, 1~2h is then reacted under 260~290 DEG C of normal pressures, it is finally true at 270~310 DEG C
Reacted under empty condition, obtain hydrophilic terylene chips.
4. preparation method according to claim 1, it is characterised in that in the step b), the temperature of the melt spinning
For 230~270 DEG C.
5. preparation method according to claim 1, it is characterised in that in the step b), the melt spinning uses W types
Spinneret is carried out.
6. preparation method according to claim 1, it is characterised in that in the step b), the pH value of the alkali process is 9
~11, the time is 3~7min.
7. the preparation method according to any one of claim 1~6, it is characterised in that the Hdyrophilic polyurethane section by with
Lower method is obtained：
It is beaten after vinyl amine, terephthalic acid (TPA), divinylbenzene and initiator are mixed, obtains slurry；The vinyl amine,
The mass ratio (10~20) of terephthalic acid (TPA) and divinylbenzene：(20~40)：(10~30)；
The slurry is subjected to esterification in 100~270 DEG C, reaction solution is obtained；
By the reaction solution in 120~190 DEG C of reactions, granulation obtains Hdyrophilic polyurethane section.
8. preparation method according to claim 7, it is characterised in that the weight average molecular weight of the Hdyrophilic polyurethane section is
400~500KDa, average grain diameter is 6~9 microns.
9. a kind of high hydrophilic moisture absorption terylene, it is characterised in that be made as the preparation method described in any one of claim 1~8, institute
The regain for stating high hydrophilic moisture absorption terylene is 3~6%.
10. high hydrophilic moisture absorption terylene according to claim 9, it is characterised in that the high hydrophilic moisture absorption terylene is FDY
Silk, fineness is 0.4~1.5D, and elongation at break is 130~150%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097858A (en) * | 2018-09-05 | 2018-12-28 | 安徽泛博纺织科技有限公司 | A kind of polyester filament and preparation method thereof of high regain |
| CN111041607A (en) * | 2019-11-05 | 2020-04-21 | 杭州逸暻化纤有限公司 | Skin-core structure deep-dyed polyester fiber and preparation method thereof |
| CN111165952A (en) * | 2020-03-05 | 2020-05-19 | 广东康诚新材料科技股份有限公司 | Foldable mask with replaceable filter element |
| CN112301506A (en) * | 2020-11-12 | 2021-02-02 | 浙江贝隆纺织有限公司 | Preparation method of moisture-absorbing sweat-releasing radiation-proof polyester fabric |
| CN113337921A (en) * | 2021-06-28 | 2021-09-03 | 厦门安踏体育用品有限公司 | Cotton-like polyester elastic fiber and preparation method and application thereof |
| CN116516670A (en) * | 2023-04-28 | 2023-08-01 | 杭州钱港化纤有限公司 | Cotton-like polyester filament yarn and preparation method thereof |
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| CN101831727A (en) * | 2010-04-01 | 2010-09-15 | 东华大学 | Cotton-simulated terylene short fiber and preparation method thereof |
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Application publication date: 20170714 |