CN114232189B - Body-sticking-preventing unidirectional moisture-guiding fabric and processing method - Google Patents
Body-sticking-preventing unidirectional moisture-guiding fabric and processing method Download PDFInfo
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- 239000004744 fabric Substances 0.000 title claims abstract description 134
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 124
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 64
- 239000004952 Polyamide Substances 0.000 claims abstract description 55
- 229920002647 polyamide Polymers 0.000 claims abstract description 55
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002759 woven fabric Substances 0.000 claims abstract description 8
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000009987 spinning Methods 0.000 claims description 61
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/12—Patterned fabrics or articles characterised by thread material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
-
- 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
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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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
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
-
- 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
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses an anti-sticking one-way moisture-guiding fabric and a processing method, wherein the anti-sticking one-way moisture-guiding fabric is a fabric with a double-sided structure formed by mutually embedding and weaving inner-layer yarns and outer-layer yarns, and the inner-layer yarns are formed by modified long carbon chain polyamide fibers with W-section morphology and microphase separation structures; the outer layer yarn is composed of ethylene-vinyl alcohol copolymer filament fiber. The modified long carbon chain polyamide fiber is one or a mixture of more than one of polyamide 1012, polyamide 612 and polyamide 11. The inner layer yarns and the outer layer yarns of the woven fabric are filament yarns. The ratio of the heat shrinkage of the inner filament yarn to the outer filament yarn was 1:2. The processing method of the anti-sticking unidirectional moisture-conducting fabric comprises the following steps: preparing yarns; weaving a fabric; high-temperature treatment of the fabric; and (5) stretching and shaping treatment. The invention greatly improves the infiltration effect of the liquid of the inner layer fiber along the surface, and realizes the single-direction moisture guiding and body sticking preventing function characteristics of the fabric.
Description
Technical Field
The invention belongs to the technical field of textile, and particularly relates to an anti-sticking one-way moisture-guiding fabric and a processing method thereof.
Background
The functional clothing fabric has a good functional effect, and has a wide application prospect in the fields of sports wear, physical training wear and the like. The one-way moisture-guiding functional clothing material has the characteristics of moisture absorption and quick drying, is popular and selected by clothing designers and consumers, and has good market prospect. The unidirectional moisture-wicking function generally refers to the rapid transfer of perspiration from the body through the fabric with the inner layer to the outer layer and rapid diffusion along the yarns of the outer layer, thereby allowing rapid evaporation of perspiration. There are two general methods for realizing the one-way moisture-guiding function of the fabric: firstly, a waterproof coating method is adopted, a waterproof coating with a certain pattern is formed on the surface of the inner layer of the fabric by a printing coating method, the other surface of the fabric is subjected to hydrophilic finishing, and the difference of water absorption and water conduction capacities is formed on the inner surface and the outer surface of the fabric by a finishing agent finishing mode, so that the unidirectional moisture conduction function of the fabric is realized; secondly, a double-layer fabric structure is adopted, yarn materials with different performances are formed into a fabric with a double-layer structure through fabric structural design, and the unidirectional moisture-conducting function of the fabric is realized by utilizing the difference of performances of an inner layer and an outer layer and a finishing agent finishing mode.
When a human body moves in a large quantity of motion or under hot and high-temperature environment conditions, a large quantity of sweat is generated on the skin surface of the human body, and grease is generated at the same time, so that the sticking phenomenon between clothing materials and the skin surface is caused, and the human body is uncomfortable. According to the prior literature and related patents, all current studies and patents only consider conducting sweat to the outer layer of the fabric through one-way moisture transfer, and do not achieve the anti-sticking effect.
From the theory of fabric comfort and fabric liquid transmission theory, the integrated functions of unidirectional moisture guiding and body adhesion prevention of the fabric are realized, and the fabric design must satisfy the following conditions: (1) How to drain sweat on the skin surface to the fabric surface rapidly, so that the skin surface is dried rapidly; (2) The state and nature of contact (surface tension) of the inner surface of the fabric with the skin surface. Taking a double-layer fabric as an example, generally, the inner layer yarns of the fabric are made of hydrophobic fiber materials, the outer layer yarns of the fabric are made of hydrophilic fiber materials, and sweat is transferred from the inner layer to the outer layer of the fabric through the difference characteristics of the adsorption and transfer capacities of the outer layer fiber materials and the inner layer fiber materials to water. According to the theory of liquid transport in porous materials, the amount and rate of liquid transport through the porous structure is not only related to the surface tension of the material, but also depends on the pore size of the porous structure and its distribution. According to the principle of differential capillary effect, for a double-layer fabric, the rapid conduction of rapid sweat from the inner layer of the fabric to the outer layer of the fabric is realized, and not only is the specific value of the surface tension of the inner layer and the outer layer of the fabric matched with each other, but also the distribution state of the inner layer surface hydrophobic/hydrophilic material, the size of holes among the inner layer of the fabric, the size of holes among the outer layer of the fabric, the size of the formed size configuration structure and other influencing factors are independent influencing factors, and meanwhile, the requirements of the factors are met, so that the aim of unidirectional moisture guiding can be realized. More importantly, as the inner layer material is hydrophobic fiber, sweat is required to pass through the inner layer material and rapidly conduct to the outer layer and diffuse, so that the hydrophobicity of the inner layer material to water is overcome, and the influence of a contact angle between liquid and the inner layer material is overcome. In order to form infiltration diversion between the hydrophobic fiber material and the liquid water, the current method is generally adopted to carry out hydrophilic surface finishing method on the hydrophobic fiber, change the surface state of the hydrophobic fiber, realize infiltration diversion of the liquid water on the hydrophobic fiber, namely finish the fabric by adopting a finishing agent, but the method has poor washing resistance effect, and does not meet the environmental protection requirement because the sewage treatment is required by using the finishing agent.
Disclosure of Invention
Aiming at the problems that the existing fabric with the unidirectional moisture-guiding function has poor washing resistance effect, the finishing agent used in the production process needs sewage treatment and does not meet the environmental protection requirement, the invention provides the anti-sticking unidirectional moisture-guiding fabric and the processing method.
The invention discloses an anti-sticking unidirectional moisture-conducting fabric, which is a fabric with a double-sided structure, wherein the fabric is formed by mutually embedding and weaving inner-layer yarns and outer-layer yarns, and the inner-layer yarns of the woven fabric are formed by modified long carbon chain polyamide fibers with W-section morphology and microphase separation structures; the outer layer yarns of the woven fabric are formed from ethylene-vinyl alcohol copolymer filament fibers.
The fineness ratio of the single fibers in the inner layer yarns to the single fibers in the outer layer yarns is 2:1.
The heat shrinkage rate of the inner layer yarns is 3-8%; the heat shrinkage rate of the outer layer yarn is 6-12%.
The inner layer yarns and the outer layer yarns of the woven fabric are filament yarns;
the fineness ratio of the inner filament yarn to the outer filament yarn in the woven fabric is 1:3.
The ratio of the heat shrinkage rate of the inner filament yarn to the outer filament yarn in the woven fabric is 1:2.
The fineness range of the inner filament yarn is 50-100dtex, and the number range is 12-24.
The fineness range of the outer filament yarn is 150-300dtex, and the number range is 75-150.
The fiber section of the outer layer filament yarn is formed by compounding one or more of a cross, a double cross or five-leaf.
The modified long carbon chain polyamide fiber is one or a mixture of more than one of polyamide 1012, polyamide 612 and polyamide 11.
The invention also discloses a processing method of the anti-sticking unidirectional moisture-conducting fabric, which comprises the following steps:
s1, preparing yarns, namely preparing filament yarns with the same or different colors and having S-twist and z-twist respectively by adopting a stock solution coloring method;
s2, weaving a fabric, namely weaving grey cloth by adopting S-twist filament yarns and z-twist filament yarns, and arranging the grey cloth woven by the S-twist filament yarns and the grey cloth woven by the z-twist filament yarns at intervals to obtain a woven grey cloth with a double-layer weave structure;
s3, performing high-temperature treatment on the fabric, namely placing the grey fabric in an overflow jet dyeing machine for washing dyeing and high-temperature shrinkage treatment;
s4, stretching and shaping, namely, after washing, dyeing and high-temperature shrinkage treatment, stretching and shaping the grey cloth;
and (3) stretching and shaping the grey cloth in the step S4, wherein the stretching multiplying power is 1.1-1.3 times of the shrinkage rate of the fabric.
The processing method of the anti-sticking unidirectional moisture-conducting fabric comprises the following steps:
s1, mixing polyamide color master batch and modified polyamide chips, wherein the addition amount of the polyamide color master batch is 2.9%, obtaining a mixture of the polyamide color master batch and the modified polyamide chips, drying the mixture, feeding the mixture into a spinning device, plasticizing and extruding the mixture through a spinning screw, metering and spinning the mixture through a spinning metering pump, and preparing modified polyamide filament POY fibers with the specification of 100dtex/24f and the cross section shape of the fibers of W; and then the modified polyamide POY fibers are textured, wherein half of the modified polyamide POY fibers are textured in the S twisting direction, the other half of the modified polyamide POY fibers are textured in the Z twisting direction, and the polyamide textured yarn fibers with the S twisting direction and the Z twisting direction are prepared respectively, and the thermal shrinkage rate of the modified polyamide POY fiber textured yarn is 8%.
S2, mixing ethylene-vinyl alcohol copolymer color master batch and ethylene-vinyl alcohol copolymer slices, wherein the addition amount of the ethylene-vinyl alcohol copolymer color master batch is 3.2%, obtaining a mixture of the ethylene-vinyl alcohol copolymer color master batch and the ethylene-vinyl alcohol copolymer slices, drying the mixture, feeding the mixture into a spinning device, plasticizing by a spinning screw, extruding, and metering and spinning by a spinning metering pump, wherein the spinning temperature is 230 ℃, and preparing the ethylene-vinyl alcohol copolymer filament POY fiber with the specification of 300dtex/150f, and the cross-section shape of the fiber is cross; then the ethylene-vinyl alcohol copolymer filament POY fibers are textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the S lay direction, and the other half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the Z lay direction, so that the ethylene-vinyl alcohol copolymer textured filament fibers with the S lay direction and the Z lay direction are respectively prepared;
s3, the original liquid coloring modified polyamide plus elastic filament fibers in the S twisting direction and the Z twisting direction prepared in the step S1 are arranged at intervals to serve as an inner layer; the S twist direction and Z twist direction ethylene-vinyl alcohol copolymer elastic filament fiber obtained in the step S2 are arranged at intervals to serve as an outer layer, and double-layer knitted grey cloth with a double-weft plain structure is prepared by using double-needle bed seamless underwear manufacturing equipment;
s4, placing the double-layer knitted fabric obtained in the step S3 into an aqueous solution of an overflow dyeing device for wet heat treatment to obtain double-layer knitted fabric, wherein the temperature of the aqueous solution is 120 ℃, and the wet heat treatment time is 30min;
s5, putting the double-layer knitted fabric obtained in the step S4 into a centrifugal machine for spin-drying, leveling the spin-dried double-layer knitted fabric, feeding the double-layer knitted fabric into an open width setting machine for tentering setting, and obtaining a double-layer knitted finished fabric, wherein the setting temperature is 170 ℃, the feeding rate of the double-layer knitted fabric into the open width setting machine after leveling is 30m/min, the feeding mode is negative overfeeding, the negative overfeeding rate is-8%, and the tentering rate is 13%.
The beneficial effects of the invention are as follows: according to the invention, through the W-shaped section design of the inner layer fiber, the contact state of liquid and the inner layer fiber material is changed, and the characteristic of the micro-phase separation structure modified long carbon chain polyamide fiber surface tension is combined, so that the hydrophobic effect generated by the hydrophobicity of the inner layer fiber is overcome, the wetting effect of the liquid of the inner layer fiber along the surface is greatly improved, and sweat can be rapidly conducted on the surface of the hydrophobic fiber material; the configuration of the structural parameters and performance characteristics of the inner layer and the outer layer of fiber and the structural design are combined to form the potential energy difference between the inner layer and the outer layer of the fiber to liquid so as to form a differential capillary effect, thereby realizing the functional characteristics of unidirectional moisture guiding and body sticking prevention of the fabric. Meanwhile, the configuration of the performance and the structure of the inner and outer layer fibers ensures that the fabric can realize a unidirectional moisture guiding effect without any finishing agent, avoids the use of hydrophobic, hydrophilic and soft finishing agents and other finishing agents, realizes good environmental protection benefit in the whole processing and production process, simultaneously greatly shortens the process flow, and has easy control of the process and easy obtainment of raw materials.
Drawings
FIG. 1 is an electron micrograph of a modified long carbon chain polyamide fiber of the invention in a "W" shape in cross section.
Detailed Description
The cross-section morphology of the hydrophobic fiber is adjusted, the contact state of liquid water on the surface of the fiber is changed, the contact form of the liquid water and the surface of the hydrophobic fiber is changed from a dotted line contact form to a curved contact form of a specific shape, so that the interaction between the liquid water and the fiber is increased. By a combination of fiber cross-sectional shape and surface characteristics. It is achieved that without any finishing agent, liquid water can infiltrate the surface of the hydrophobic fibers and conduct into the outer hydrophilic layer, while the inner hydrophobic fiber layer does not absorb too much water and remains dry. In addition, the inner layer directly contacts sweat on the skin surface, so that the sweat on the skin surface has the function of preventing sticking on the basis of realizing a one-way moisture guiding function, the inner layer structure is designed to be critical, and the sticking phenomenon is generated by researching the sticking phenomenon of the fabric and the skin surface, wherein the sticking phenomenon is the result of the comprehensive action of the sweat on the skin surface and grease on the skin surface, so that the action of the sweat and the grease not only changes the flexibility of the fabric, but also changes the surface tension between the fabric and the skin.
The selection of the fiber material of the inner layer of the fabric and the design of the fiber fineness, particularly the fiber cross-section form, lead to the formation of a gas-liquid balance interface between the fabric and the skin surface, and are an important way for solving the fabric sticking phenomenon by combining the rapid evaporation characteristics of the fiber configuration of the inner layer and the outer layer and the structural characteristics of the fabric. The invention combines the fiber section shape and the material performance to realize the anti-sticking one-way moisture-guiding fabric and the processing method.
For a better understanding of the present invention, reference is made to the following description of embodiments of the invention, which are not intended to limit the scope of the invention. FIG. 1 is an electron micrograph of a modified long carbon chain polyamide fiber of the invention in a "W" shape in cross section.
The invention discloses a processing method of an anti-sticking unidirectional moisture-conducting fabric, which comprises the following steps:
s1, mixing polyamide color master batch and modified polyamide chips, wherein the addition amount of the polyamide color master batch is 2.9%, obtaining a mixture of the polyamide color master batch and the modified polyamide chips, drying the mixture, feeding the mixture into a spinning device, plasticizing and extruding the mixture through a spinning screw, metering and spinning the mixture through a spinning metering pump, and preparing modified polyamide filament POY fibers with the specification of 100dtex/24f and the cross section shape of the fibers of W; and then the modified polyamide POY fibers are textured, wherein half of the modified polyamide POY fibers are textured in the S twisting direction, the other half of the modified polyamide POY fibers are textured in the Z twisting direction, and the polyamide textured yarn fibers with the S twisting direction and the Z twisting direction are prepared respectively, and the thermal shrinkage rate of the modified polyamide POY fiber textured yarn is 8%.
S2, mixing ethylene-vinyl alcohol copolymer color master batch and ethylene-vinyl alcohol copolymer slices, wherein the addition amount of the ethylene-vinyl alcohol copolymer color master batch is 3.2%, obtaining a mixture of the ethylene-vinyl alcohol copolymer color master batch and the ethylene-vinyl alcohol copolymer slices, drying the mixture, feeding the mixture into a spinning device, plasticizing by a spinning screw, extruding, and metering and spinning by a spinning metering pump, wherein the spinning temperature is 230 ℃, and preparing the ethylene-vinyl alcohol copolymer filament POY fiber with the specification of 300dtex/150f, and the cross-section shape of the fiber is cross; then the ethylene-vinyl alcohol copolymer filament POY fiber is textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the S lay direction, the other half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the Z lay direction, and the ethylene-vinyl alcohol copolymer textured filament fibers with the S lay direction and the Z lay direction are respectively prepared, and the thermal shrinkage rate of the obtained ethylene-vinyl alcohol copolymer textured filament fibers is 12%;
s3, the original liquid coloring modified polyamide plus elastic filament fibers in the S twisting direction and the Z twisting direction prepared in the step S1 are arranged at intervals to serve as an inner layer; the S twist direction and Z twist direction ethylene-vinyl alcohol copolymer elastic filament fiber interval arrangement obtained in the step S2 is used as an outer layer, and double-layer needles with double-weft plain structure are prepared and obtained by using double-needle bed seamless underwear manufacturing equipmentThe square meter gram weight of the knitted fabric is 145g/m 2 ；
S4, carrying out wet heat treatment on the double-layer knitted grey cloth obtained in the step S3 in an aqueous solution of an overflow dyeing device to obtain double-layer knitted cloth, wherein the temperature of the aqueous solution is 120 ℃, the wet heat treatment time is 30min, the measured shrinkage of the double-layer knitted cloth is 7% in the warp direction and 10% in the weft direction;
s5, putting the double-layer knitted fabric obtained in the step S4 into a centrifugal machine for spin-drying, leveling the spin-dried double-layer knitted fabric, feeding the double-layer knitted fabric into an open width setting machine for tentering setting, and obtaining a double-layer knitted finished fabric, wherein the setting temperature is 170 ℃, the feeding rate of the double-layer knitted fabric into the open width setting machine after leveling is 30m/min, the feeding mode is negative overfeeding, the negative overfeeding rate is-8%, and the tentering rate is 13%.
For a better understanding of the present disclosure, three embodiments are presented herein.
Example 1
1. Mixing and spinning army green polyamide color master batch and modified polyamide 1012 slices, wherein the addition amount of the color master batch is 2.9%, drying, feeding the mixture into a spinning device, plasticizing and extruding the mixture through a spinning screw rod, metering and spinning the mixture through a spinning metering pump, and spinning at the temperature: preparing and obtaining 100dtex/24f modified polyamide 1012 filament POY fiber with a cross-section shape of W at 265 ℃; and then the modified polyamide 1012POY fiber is textured, wherein half of the modified polyamide 1012POY fiber is textured in the S twisting direction, the other half of the modified polyamide 1012POY fiber is textured in the Z twisting direction, and the polyamide 1012 textured yarn fiber with the S twisting direction and the Z twisting direction is prepared respectively, and the thermal shrinkage rate of the modified polyamide 1012 textured yarn is 8%.
2. Blending and spinning the army green ethylene-vinyl alcohol copolymer color master batch and the ethylene-vinyl alcohol copolymer slice, wherein the addition amount of the color master batch is 3.2%, drying, feeding the color master batch into a spinning device, plasticizing and extruding the color master batch by a spinning screw rod, and metering and spinning the color master batch by a spinning metering pump, wherein the spinning temperature is as follows: preparing and obtaining 300dtex/150f ethylene-vinyl alcohol copolymer filament POY fiber with cross-section shape at 230 ℃; and then the ethylene-vinyl alcohol copolymer filament POY fiber is textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the S twisting direction, the other half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the Z twisting direction, and the ethylene-vinyl alcohol copolymer textured fiber with the S twisting direction and the Z twisting direction is prepared respectively, and the thermal shrinkage rate of the obtained ethylene-vinyl alcohol copolymer textured fiber is 12%.
3. The dope-dyed modified polyamide 1012 with the S and Z twisting directions prepared in the step (1) is used as an inner layer by interval arrangement of elastic filament fibers; the original liquid coloring ethylene-vinyl alcohol copolymer plus elastic filament fiber in the S and Z twisting directions prepared in the step (2) is arranged at intervals to be an outer layer, and double-layer knitted grey cloth with a double-weft plain structure is prepared by using double-needle bed seamless underwear manufacturing equipment, wherein the gram weight of square meter is 145g/m 2 。
4. Placing the double-layer knitted fabric obtained in the step (3) into an aqueous solution of an overflow dyeing device for damp-heat treatment to obtain the double-layer knitted fabric, wherein the temperature of the aqueous solution is 120 ℃ and the time is 30min, and the measured shrinkage of the double-layer knitted fabric is 7% in the warp direction and 10% in the weft direction
5. And (3) putting the double-layer knitted fabric obtained in the step (4) into a centrifugal machine for spin-drying, flattening, putting into an open-width setting machine for tentering setting to obtain a double-layer knitted finished fabric, wherein the setting temperature is 170 ℃, the fabric feeding rate is 30m/min, the fabric feeding is negative overfeeding, the negative overfeeding rate is-8%, and the tentering rate is 13%.
And (3) performing physical property test on the obtained double-layer knitted fabric finished fabric, wherein the performance indexes are as follows: the double layer knitted fabric was tested for drip spread time according to GB/T21655: outer layer 1.2s, inner layer 1.5s, wicking height: 146mm, evaporation rate: 0.31g/h; according to the liquid water dynamic transfer performance test standard of AATCC195-2012 textile, the double-layer knitted fabric has a unidirectional transmission index of 435.1 and shows excellent moisture absorption quick-drying performance and unidirectional moisture permeability. Meanwhile, the double-layer knitted fabric is made into physical training clothes for try-on, and a good anti-sticking effect is shown.
Example 2
1. Uniformly blending blue polyamide 612 color master batch and modified polyamide 612 slices, wherein the addition amount of the color master batch is 3.0%, drying, feeding into a spinning device, plasticizing and extruding through a spinning screw, and metering and spinning through a spinning metering pump, wherein the spinning temperature is as follows: preparing and obtaining modified polyamide 612 filament POY fiber with the specification of 50dtex/12f and the cross-section shape of the fiber of W at 235 ℃; then the modified polyamide 612POY fibers are textured, wherein half of the modified polyamide 612POY fibers are textured in the S twisting direction, the other half of the modified polyamide 612POY fibers are textured in the Z twisting direction, and the modified polyamide 612 textured yarn fibers with the S twisting direction and the Z twisting direction are prepared respectively, and the thermal shrinkage rate of the modified polyamide 612 textured yarn is 3%;
2. blending and spinning blue ethylene-vinyl alcohol copolymer color master batch and ethylene-vinyl alcohol copolymer slices, wherein the addition amount of the color master batch is 3.2%, drying, feeding into a spinning device, plasticizing and extruding through a spinning screw, and metering and spinning through a spinning metering pump, wherein the spinning temperature is as follows: preparing and obtaining an ethylene-vinyl alcohol copolymer filament POY fiber with the specification of 150dtex/75f and the cross-section shape of the fiber at 230 ℃; and then the ethylene-vinyl alcohol copolymer filament POY fiber is textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the S twisting direction, the other half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the Z twisting direction, and the ethylene-vinyl alcohol copolymer textured filament fiber with the S twisting direction and the Z twisting direction is prepared respectively, and the thermal shrinkage rate of the obtained ethylene-vinyl alcohol copolymer textured filament fiber is 6.1%.
3. The modified polyamide 612 with the S and Z twisting directions prepared in the step (1) is added with elastic filament fibers which are arranged at intervals to be used as an inner layer; the raw liquid coloring ethylene-vinyl alcohol copolymer plus elastic filament fiber in the S and Z twisting directions prepared in the step (2) is arranged at intervals to form an outer layer, and double-layer knitted grey cloth with a double-weft plain structure is prepared by using double-needle bed seamless underwear manufacturing equipment, wherein the gram weight of square meter is 105g/m 2 。
4. Placing the double-layer knitted fabric obtained in the step (3) into an aqueous solution of an overflow dyeing device for damp-heat treatment to obtain the double-layer knitted fabric, wherein the temperature of the aqueous solution is 120 ℃, the time is 30min, the measured shrinkage of the double-layer knitted fabric is 1.7% in the warp direction and 5.4% in the weft direction
5. And (3) putting the double-layer knitted fabric obtained in the step (4) into a centrifugal machine for spin-drying, flattening, putting into an open-width setting machine for tentering setting to obtain a double-layer knitted finished fabric, wherein the setting temperature is 160 ℃, the fabric feeding rate is 30m/min, the fabric feeding is negative overfeeding, the negative overfeeding rate is-2%, and the tentering rate is 6%.
And (3) performing physical property test on the obtained double-layer knitted fabric finished fabric, wherein the performance indexes are as follows: the double layer knitted fabric was tested for drip spread time according to GB/T21655: outer layer 1.3s, inner layer 1.7s, wicking height: 135mm, evaporation rate: 0.35g/h; according to the liquid water dynamic transfer performance test standard of AATCC195-2012 textile, the double-layer knitted fabric has a unidirectional transmission index of 476.3 and shows excellent moisture absorption quick-drying performance and unidirectional moisture permeability. Meanwhile, the double-layer knitted fabric is made into physical training clothes for try-on, and a good anti-sticking effect is shown.
Example 3
1. Blending gray polyamide color master batch and modified polyamide 1010 slices, wherein the addition amount of the color master batch is 1.2%, drying, feeding into a spinning device, plasticizing by a spinning screw, extruding, metering and spinning by a spinning metering pump, and spinning at the temperature: preparing and obtaining polyamide 1010 filament POY fiber with the specification of 83dtex/18f and the cross section shape of the fiber of W at 260 ℃; and then the modified polyamide 1010POY fiber is textured, wherein half of the modified polyamide 1010POY fiber is textured in the S twisting direction, the other half of the modified polyamide 1010POY fiber is textured in the Z twisting direction, and the polyamide 1010 textured yarn fiber with the S twisting direction and the Z twisting direction is prepared respectively, and the heat shrinkage rate of the modified polyamide 1010 textured yarn is 5%.
2. Blending and spinning blue ethylene-vinyl alcohol copolymer color master batch and ethylene-vinyl alcohol copolymer slices, wherein the addition amount of the color master batch is 3.2%, drying, feeding into a spinning device, plasticizing and extruding through a spinning screw, and metering and spinning through a spinning metering pump, wherein the spinning temperature is as follows: preparing 288dtex/144f ethylene-vinyl alcohol copolymer filament POY fiber with cross-section shape at 230 ℃; and then the ethylene-vinyl alcohol copolymer filament POY fiber is textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the S twisting direction, the other half of the ethylene-vinyl alcohol copolymer filament POY fiber is textured in the Z twisting direction, and the ethylene-vinyl alcohol copolymer textured filament fiber with the S twisting direction and the Z twisting direction is prepared respectively, and the thermal shrinkage rate of the obtained ethylene-vinyl alcohol copolymer textured filament fiber is 8.5%.
3. The modified polyamide 612 with the S and Z twisting directions prepared in the step (1) is added with elastic filament fibers which are arranged at intervals to be used as an inner layer; the raw liquid coloring ethylene-vinyl alcohol copolymer plus elastic filament fiber in the S and Z twisting directions prepared in the step (2) is arranged at intervals to form an outer layer, and double-layer knitted grey cloth with a double-weft plain structure is prepared by using double-needle bed seamless underwear manufacturing equipment, wherein the gram weight of square meter is 120g/m 2 。
4. And (3) placing the double-layer knitted fabric obtained in the step (3) in an overflow dyeing device water solution for damp-heat treatment to obtain the double-layer knitted fabric, wherein the temperature of the water solution is 120 ℃, the time is 30min, and the measured shrinkage of the double-layer knitted fabric is 5.2% in the warp direction and 6.5% in the weft direction.
5. And (3) putting the double-layer knitted fabric obtained in the step (4) into a centrifugal machine for spin-drying, flattening, putting into an open-width setting machine for tentering setting to obtain a double-layer knitted finished fabric, wherein the setting temperature is 160 ℃, the fabric feeding rate is 30m/min, the fabric feeding is negative overfeeding, the negative overfeeding rate is-6%, and the tentering rate is 8.5%.
And (3) performing physical property test on the obtained double-layer knitted fabric finished fabric, wherein the performance indexes are as follows: the double layer knitted fabric was tested for drip spread time according to GB/T21655: outer layer 1.2s, inner layer 1.5s, wicking height: 145mm, evaporation rate: 0.29g/h; according to the liquid water dynamic transfer performance test standard of AATCC195-2012 textile, the double-layer knitted fabric has a unidirectional transmission index of 409.6 and shows excellent moisture absorption quick-drying performance and unidirectional moisture permeability. Meanwhile, the double-layer knitted fabric is made into physical training clothes for try-on, and a good anti-sticking effect is shown.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (1)
1. The processing method of the anti-sticking unidirectional moisture-conducting fabric is characterized in that the anti-sticking unidirectional moisture-conducting fabric is a double-layer structure fabric formed by mutually embedding and weaving inner-layer yarns and outer-layer yarns, and the inner-layer yarns of the woven fabric are formed by modified long carbon chain polyamide fibers with a microphase separation structure in a W-section shape; the outer layer yarns of the woven fabric are formed by ethylene-vinyl alcohol copolymer filament fibers; the method comprises the following steps:
s1, mixing polyamide color master batch and modified polyamide chips, wherein the addition amount of the polyamide color master batch is 2.9%, obtaining a mixture of the polyamide color master batch and the modified polyamide chips, drying the mixture, feeding the mixture into a spinning device, plasticizing and extruding the mixture through a spinning screw, metering and spinning the mixture through a spinning metering pump, and preparing modified polyamide filament POY fibers with the specification of 100dtex/24f and the cross section shape of the fibers of W; then the modified polyamide POY fibers are textured, wherein half of the modified polyamide POY fibers are textured in the S twisting direction, the other half of the modified polyamide POY fibers are textured in the Z twisting direction, and polyamide textured yarn fibers with the S twisting direction and the Z twisting direction are prepared respectively, and the thermal shrinkage rate of the modified polyamide POY fiber textured yarn is 8%;
s2, mixing ethylene-vinyl alcohol copolymer color master batch and ethylene-vinyl alcohol copolymer slices, wherein the addition amount of the ethylene-vinyl alcohol copolymer color master batch is 3.2%, obtaining a mixture of the ethylene-vinyl alcohol copolymer color master batch and the ethylene-vinyl alcohol copolymer slices, drying the mixture, feeding the mixture into a spinning device, plasticizing by a spinning screw, extruding, and metering and spinning by a spinning metering pump, wherein the spinning temperature is 230 ℃, and preparing the ethylene-vinyl alcohol copolymer filament POY fiber with the specification of 300dtex/150f, and the cross-section shape of the fiber is cross; then the ethylene-vinyl alcohol copolymer filament POY fibers are textured, wherein half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the S lay direction, and the other half of the ethylene-vinyl alcohol copolymer filament POY fibers are textured in the Z lay direction, so that the ethylene-vinyl alcohol copolymer textured filament fibers with the S lay direction and the Z lay direction are respectively prepared;
s3, the original liquid coloring modified polyamide plus elastic filament fibers in the S twisting direction and the Z twisting direction prepared in the step S1 are arranged at intervals to serve as an inner layer; the S twist direction and Z twist direction ethylene-vinyl alcohol copolymer elastic filament fiber obtained in the step S2 are arranged at intervals to serve as an outer layer, and double-layer knitted grey cloth with a double-weft plain structure is prepared by using double-needle bed seamless underwear manufacturing equipment;
s4, placing the double-layer knitted fabric obtained in the step S3 into an aqueous solution of an overflow dyeing device for wet heat treatment to obtain double-layer knitted fabric, wherein the temperature of the aqueous solution is 120 ℃, and the wet heat treatment time is 30min;
s5, putting the double-layer knitted fabric obtained in the step S4 into a centrifugal machine for spin-drying, leveling the spin-dried double-layer knitted fabric, feeding the double-layer knitted fabric into an open width setting machine for tentering setting, and obtaining a double-layer knitted finished fabric, wherein the setting temperature is 170 ℃, the feeding rate of the double-layer knitted fabric into the open width setting machine after leveling is 30m/min, the feeding mode is negative overfeeding, the negative overfeeding rate is-8%, and the tentering rate is 13%.
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| PCT/CN2022/138266 WO2023116478A1 (en) | 2021-12-22 | 2022-12-11 | Anti-sticking one-way moisture-conducting fabric and processing method therefor |
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