CN111441118A - Sweat-absorbing quick-drying dustproof yarn and preparation method thereof - Google Patents
Sweat-absorbing quick-drying dustproof yarn and preparation method thereof Download PDFInfo
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- CN111441118A CN111441118A CN202010258361.1A CN202010258361A CN111441118A CN 111441118 A CN111441118 A CN 111441118A CN 202010258361 A CN202010258361 A CN 202010258361A CN 111441118 A CN111441118 A CN 111441118A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/08—Ramie
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a sweat-absorbing quick-drying dustproof yarn and a preparation method thereof, wherein the sweat-absorbing quick-drying dustproof yarn is formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and negative ion nanofibers in parts by mass, the mass ratio of the microporous polyester spandex short fibers, the bamboo charcoal fibers, the microporous ramie-like short fibers and the negative ion nanofibers is 8:1:10: 0.3-0.6, and the preparation method of the sweat-absorbing quick-drying dustproof yarn comprises the following steps: twisting and stranding, a blending process, water repellent finishing, coating of a water-based polyurethane coating, drying treatment, rinsing with clear water and drying. The yarn prepared by the invention has the performance of moisture absorption, sweat releasing and quick drying, and the fabric can quickly absorb sweat on the surface and quickly conduct the sweat to the outer surface of the fabric for evaporation, so that the surface of the skin keeps dry and comfortable, the fabric has the performance of filtering micro-dust particles, and the dustproof performance is excellent.
Description
Technical Field
The invention relates to the technical field of yarn preparation, in particular to a sweat-absorbing, quick-drying and dustproof yarn and a preparation method thereof.
Background
In recent years, with the rapid development of economy, the progress of science and technology and the change of living standard of people in China, the requirement of people on the wearing comfort is continuously improved, the wearing fabric is continuously developed towards the directions of comfort, sanitation and health, the modern fabric is changed to the characteristics of comfort, function and economy from the practicability of the original shielding body, heat preservation, protection and the like, people select clothes to be good and beautiful, more importantly, the wearing comfort is one physiological feeling of human bodies to fabrics and mainly comprises hot-wet comfort and contact comfort, the contact comfort is realized in the process of textile post-treatment, the hot-wet comfort refers to that the excessive energy of the human bodies is diffused through the breathing of the skin, the human bodies still continuously generate heat even in the state of sitting still, and the people are in the environment with higher temperature or under the condition of larger exercise amount, the fabric always sweats, when the sweat discharging amount of a human body is large, clothes can cling to the body, and then the human body feels wet and cold, the existing common synthetic fiber has high sweat discharging speed, but the moisture absorption is poor, and the comfort level of the fabric is poor; in addition, the human body emits about 10 times a day to the outside9When a human body has a rest, the dandruff particles falling off from the human body reach about 250000/min, the dandruff particles become smaller due to the action of force, the particle size is usually only 20 microns, the particles can be accumulated on clothes, remain on the surface of the human body, or diffuse into the air to cause certain pollution, how to enable the fibers to have the performance of moisture absorption, perspiration and quick drying, when the clothes made of the fabric are worn in a damp and hot environment, the fabric can quickly absorb the sweat on the surface and quickly conduct the sweat to the outer surface of the fabric to evaporate, so that the skin can be quickly driedThe surface is kept dry and comfortable, the fabric has the performance of filtering dust particles, the dustproof performance is good, and the fabric has very important research significance and wide research background in related research of silk fabrics.
Disclosure of Invention
In order to solve the problems in the prior art and enable the yarn to have excellent moisture absorption, sweat releasing and quick drying performances and good dustproof performance, the invention provides the moisture absorption, quick drying and dustproof yarn and the preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: a sweat-absorbing quick-drying dustproof yarn and a preparation method thereof are formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and anion nano fibers in parts by mass, wherein the mass ratio of the microporous polyester short fibers spandex, the bamboo charcoal fibers, the microporous ramie-like short fibers and the anion nano fibers is 8:1:10: 0.3-0.6; the preparation method of the sweat-absorbent quick-drying dustproof yarn comprises the following steps:
step one, carrying out 1:1 doubling on the microporous polyester spandex short fiber and the bamboo charcoal fiber, and then twisting and stranding to form a doubled yarn A, and carrying out 2:1 doubling on the microporous ramie-like short fiber and the anion nanofiber, and then twisting and stranding to form a doubled yarn B;
step two, preparing the folded yarn A and the folded yarn B into blended yarn through a blending process;
thirdly, performing water repellent finishing on the blended yarns by using an organic silicon waterproof finishing agent;
step four, coating an aqueous polyurethane coating on the surface of the water-repellent treated yarn obtained in the step three, wherein the aqueous polyurethane coating is composed of raw materials of, by mass, 12-13 g/m of aqueous polyurethane, PEG200 and 100: 3-8: 0.4-0.6 of a normal-temperature imine curing agent, and the coating amount is2；
Step five, drying the yarn subjected to coating treatment, wherein the drying temperature is 90-110 ℃, and the drying time is 4-6 min;
and sixthly, finally, rinsing the yarn in clear water for 2-3 times, and drying at 80-100 ℃ until the moisture content is below 8% in a moisture test, so that the sweat-absorbing, quick-drying and dustproof yarn is obtained.
According to the sweat-absorbent quick-drying dustproof yarn and the preparation method thereof, the twist degree of the microporous polyester spandex short fiber and the bamboo charcoal fiber is 80-100 twists/meter when the microporous polyester spandex short fiber and the bamboo charcoal fiber are twisted and folded in a 1:1 manner, and the twist degree of the microporous ramie-like short fiber and the anion nanofiber when the microporous polyester spandex short fiber and the bamboo charcoal fiber are twisted and folded in a 2:1 manner is 90-120 twists/meter.
The moisture-absorbing, quick-drying and dustproof yarn and the preparation method thereof are characterized in that the organosilicon waterproof finishing agent is one of SH organosilicon fabric waterproof finishing agent, WF organosilicon fabric waterproof finishing agent and fluoro organosilicon waterproof finishing agent.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides the sweat-absorbent quick-drying dustproof yarn and the preparation method thereof, the preparation process is simple and reasonable, the operation and the implementation are easy, and the highest moisture permeability can reach 3284g/m224h, the yarn has the performance of moisture absorption, sweat releasing and quick drying, can quickly absorb sweat on the surface of a human body, quickly transmits the sweat to the outer surface of the fabric to evaporate, keeps the surface of the skin dry and comfortable, makes the human body feel comfortable, has the performance of filtering dust particles, and is excellent in dustproof performance, and the dust filtering performance of the fabric prepared from the yarn can reach as high as 83.7%.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method for preparing the sweat-absorbent, quick-drying and dust-proof yarn of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[ example 1 ]
A sweat-absorbing quick-drying dustproof yarn and a preparation method thereof are formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and anion nano fibers in parts by mass, wherein the mass ratio of the microporous polyester short fibers spandex, the bamboo charcoal fibers, the microporous ramie-like short fibers and the anion nano fibers is 8:1:10: 0.3; the preparation method of the sweat-absorbent quick-drying dustproof yarn comprises the following steps:
step one, carrying out 1:1 doubling on the microporous polyester spandex short fiber and the bamboo charcoal fiber, and then twisting and stranding to form a doubled yarn A, and carrying out 2:1 doubling on the microporous ramie-like short fiber and the anion nanofiber, and then twisting and stranding to form a doubled yarn B;
step two, preparing the folded yarn A and the folded yarn B into blended yarn through a blending process;
thirdly, performing water repellent finishing on the blended yarns by using an organic silicon waterproof finishing agent;
step four, coating an aqueous polyurethane coating on the surface of the yarn subjected to water repellent treatment obtained in the step three, wherein the aqueous polyurethane coating is composed of the raw materials of aqueous polyurethane, PEG200 and a normal-temperature imine curing agent in a mass ratio of 100:3:0.4, and the coating amount is 12g/m2；
Step five, drying the yarn subjected to coating treatment at the drying temperature of 90 ℃ for 6 min;
and step six, finally, rinsing the yarn in clean water for 2 times, and drying at 80 ℃ until the moisture content is 7% by test, thus obtaining the sweat-absorbent quick-drying dustproof yarn.
Further, the twist degree of the microporous polyester spandex short fiber and the bamboo charcoal fiber is 80 twists/meter when the microporous polyester spandex short fiber and the bamboo charcoal fiber are twisted and folded in a 1:1 mode, and the twist degree of the microporous ramie-like short fiber and the anion nanofiber when the microporous polyester spandex short fiber and the anion nanofiber are twisted and folded in a 2:1 mode is 90 twists/meter.
Furthermore, the organic silicon waterproof finishing agent is an SH organic silicon fabric waterproof finishing agent.
[ example 2 ]
A sweat-absorbing quick-drying dustproof yarn and a preparation method thereof are formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and anion nano fibers in parts by mass, wherein the mass ratio of the microporous polyester short fibers spandex, the bamboo charcoal fibers, the microporous ramie-like short fibers and the anion nano fibers is 8:1:10: 0.4; the preparation method of the sweat-absorbent quick-drying dustproof yarn comprises the following steps:
step one, carrying out 1:1 doubling on the microporous polyester spandex short fiber and the bamboo charcoal fiber, and then twisting and stranding to form a doubled yarn A, and carrying out 2:1 doubling on the microporous ramie-like short fiber and the anion nanofiber, and then twisting and stranding to form a doubled yarn B;
step two, preparing the folded yarn A and the folded yarn B into blended yarn through a blending process;
thirdly, performing water repellent finishing on the blended yarns by using an organic silicon waterproof finishing agent;
step four, coating an aqueous polyurethane coating on the surface of the water-repellent treated yarn obtained in the step three, wherein the aqueous polyurethane coating is composed of the raw materials of aqueous polyurethane, PEG200 and a normal-temperature imine curing agent in a mass ratio of 100:6:0.5, and the coating amount is 12.5g/m2；
Step five, drying the yarn subjected to coating treatment at the drying temperature of 100 ℃ for 5 min;
and step six, finally, rinsing the yarn in clear water for 3 times, and drying at 90 ℃ until the moisture content is 6% by test, thus obtaining the sweat-absorbent quick-drying dustproof yarn.
Further, the twist degree of the microporous polyester spandex short fiber and the bamboo charcoal fiber is 90 twist/m when the microporous polyester spandex short fiber and the bamboo charcoal fiber are twisted and folded in a 1:1 mode, and the twist degree of the microporous ramie-like short fiber and the anion nanofiber when the microporous polyester spandex short fiber and the anion nanofiber are twisted and folded in a 2:1 mode is 100 twist/m.
Further, the organic silicon waterproof finishing agent is WF-02 organic silicon fabric waterproof finishing agent.
[ example 3 ]
A sweat-absorbing quick-drying dustproof yarn and a preparation method thereof are formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and anion nano fibers in parts by mass, wherein the mass ratio of the microporous polyester short fibers spandex, the bamboo charcoal fibers, the microporous ramie-like short fibers and the anion nano fibers is 8:1:10: 0.6; the preparation method of the sweat-absorbent quick-drying dustproof yarn comprises the following steps:
step one, carrying out 1:1 doubling on the microporous polyester spandex short fiber and the bamboo charcoal fiber, and then twisting and stranding to form a doubled yarn A, and carrying out 2:1 doubling on the microporous ramie-like short fiber and the anion nanofiber, and then twisting and stranding to form a doubled yarn B;
step two, preparing the folded yarn A and the folded yarn B into blended yarn through a blending process;
thirdly, performing water repellent finishing on the blended yarns by using an organic silicon waterproof finishing agent;
step four, coating an aqueous polyurethane coating on the surface of the yarn subjected to water repellent treatment obtained in the step three, wherein the aqueous polyurethane coating is composed of the raw materials of aqueous polyurethane, PEG200, normal-temperature imine curing agent 100, 8 and 0.6 in percentage by mass, and the coating amount is 13g/m2；
Step five, drying the yarn subjected to coating treatment at the temperature of 110 ℃ for 4 min;
and step six, finally, putting the yarn into clear water for rinsing for 3 times, drying, and drying at 80 ℃ until the moisture content test result is 4%, thus obtaining the sweat-absorbing quick-drying dustproof yarn.
Further, the twist degree of the microporous polyester spandex short fiber and the bamboo charcoal fiber is 100 twists/meter when the microporous polyester spandex short fiber and the bamboo charcoal fiber are twisted and folded in a 1:1 mode, and the twist degree of the microporous ramie-like short fiber and the anion nanofiber when the microporous polyester spandex short fiber and the anion nanofiber are twisted and folded in a 2:1 mode is 120 twists/meter.
Further, the organosilicon waterproof finishing agent is a fluoro organosilicon waterproof finishing agent AFPSO.
In order to verify the implementation effect and feasibility of the technical scheme, the dust filtration performance and the moisture permeability of the fabrics formed by the yarns of the examples 1, 2 and 3 are tested, and the related data results are shown in the following table 1.
TABLE 1 dust filtration and moisture permeability results for fabrics formed from yarns in the examples
Fabric sample 1 was prepared by weaving the yarns from example 1, fabric sample 2 was prepared by weaving the yarns from example 2, and fabric sample 3 was prepared by weaving the yarns from example 3.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (3)
1. A sweat-absorbing quick-drying dustproof yarn and a preparation method thereof are characterized in that: the fabric is formed by interweaving microporous polyester spandex short fibers, bamboo charcoal fibers, microporous ramie-like short fibers and anion nano fibers in parts by weight, wherein the mass ratio of the microporous polyester short fibers, the bamboo charcoal fibers, the microporous ramie-like short fibers to the anion nano fibers is 8:1:10: 0.3-0.6; the preparation method of the sweat-absorbent quick-drying dustproof yarn comprises the following steps:
step one, carrying out 1:1 doubling on the microporous polyester spandex short fiber and the bamboo charcoal fiber, and then twisting and stranding to form a doubled yarn A, and carrying out 2:1 doubling on the microporous ramie-like short fiber and the anion nanofiber, and then twisting and stranding to form a doubled yarn B;
step two, preparing the folded yarn A and the folded yarn B into blended yarn through a blending process;
thirdly, performing water repellent finishing on the blended yarns by using an organic silicon waterproof finishing agent;
step four, coating an aqueous polyurethane coating on the surface of the water-repellent treated yarn obtained in the step three, wherein the aqueous polyurethane coating is composed of raw materials of, by mass, 12-13 g/m of aqueous polyurethane, PEG200 and 100: 3-8: 0.4-0.6 of a normal-temperature imine curing agent, and the coating amount is2；
Step five, drying the yarn subjected to coating treatment, wherein the drying temperature is 90-110 ℃, and the drying time is 4-6 min;
and sixthly, finally, rinsing the yarn in clear water for 2-3 times, and drying at 80-100 ℃ until the moisture content is below 8% in a moisture test, so that the sweat-absorbing, quick-drying and dustproof yarn is obtained.
2. The yarn as claimed in claim 1, wherein the twist of the microporous polyester spandex staple fiber and the bamboo charcoal fiber during 1:1 doubling and twisting and plying is 80-100 twists/m, and the twist of the microporous ramie-like staple fiber and the anion nanofiber during 2:1 doubling and twisting and plying is 90-120 twists/m.
3. The moisture-absorbing, quick-drying, and dust-proofing yarn of claim 1, wherein the silicone-based water-repellent finish is one of SH silicone fabric water-repellent finish, WF silicone fabric water-repellent finish, and fluoro silicone water-repellent finish.
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