CN115387112B - Knitted fabric with high density and good air permeability and preparation process thereof - Google Patents
Knitted fabric with high density and good air permeability and preparation process thereof Download PDFInfo
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- CN115387112B CN115387112B CN202210130819.4A CN202210130819A CN115387112B CN 115387112 B CN115387112 B CN 115387112B CN 202210130819 A CN202210130819 A CN 202210130819A CN 115387112 B CN115387112 B CN 115387112B
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- good air
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- 239000004744 fabric Substances 0.000 title claims abstract description 65
- 230000035699 permeability Effects 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 94
- 239000004952 Polyamide Substances 0.000 claims abstract description 41
- 229920002647 polyamide Polymers 0.000 claims abstract description 41
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000009940 knitting Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 16
- 238000004132 cross linking Methods 0.000 claims description 14
- 239000002041 carbon nanotube Substances 0.000 claims description 12
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 12
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 229920001843 polymethylhydrosiloxane Polymers 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical group CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 229920002821 Modacrylic Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
- D04B1/102—Patterned fabrics or articles with stitch pattern
- D04B1/104—Openwork fabric, e.g. pelerine fabrics
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/10—Open-work fabrics
- D04B21/12—Open-work fabrics characterised by thread material
-
- 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
- D06M15/55—Epoxy resins
-
- 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
-
- 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
-
- 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
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- 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
- D06M2101/34—Polyamides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Knitting Of Fabric (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a knitted fabric with high density and good air permeability and a preparation process thereof, wherein the knitted fabric comprises the following raw materials in parts by weight: 60-80 parts of modified polyacrylonitrile fiber and 60-80 parts of modified polyamide fiber; the preparation process of the knitted fabric comprises the following steps: s1: preparing modified polyacrylonitrile fibers and modified polyamide fibers, and respectively feeding the modified polyacrylonitrile fibers and the modified polyamide fibers into a knitting machine as yarns to obtain a fabric, wherein the mesh number per unit area is 20 holes/cm 2; s2: and rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability. The knitted fabric prepared by the method has higher density and good air permeability.
Description
Technical Field
The invention relates to the field of knitted fabrics, in particular to a knitted fabric with high density and good air permeability and a preparation process thereof.
Background
The superfine fiber high-density fabrics in the current market are various, and from the aspect of fabric morphology, the fabrics comprise weaving and knitting, wherein the elasticity of the woven fabrics is insufficient, and the wearing comfort is affected; while the knitted fabric is excellent in elasticity, it is too soft and has poor stiffness, and it is necessary to add a stiffening resin for improvement during the finishing process, and the durability is not excellent. The raw materials used by the high-density fabrics in the market at present are mostly pure polyester fibers, the pure polyester fibers have good strength and wear resistance, but the air permeability is poor, the fabrics are stuffiness on the wearing body, static electricity is easy to generate, and the comfort is poor.
Disclosure of Invention
In view of the above, the present invention aims to provide a knitted fabric with high density and good air permeability and a preparation process thereof, so as to obtain the high-density fabric while maintaining good air permeability.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: 60-80 parts by weight of modified polyacrylonitrile fiber and 60-80 parts by weight of modified polyamide fiber.
The invention also provides a preparation process of the knitted fabric with high density and good air permeability, which comprises the following steps:
S1: preparing modified polyacrylonitrile fibers and modified polyamide fibers, and respectively feeding the modified polyacrylonitrile fibers and the modified polyamide fibers into a knitting machine as yarns to obtain a fabric, wherein the mesh number per unit area is 20 holes/cm < 2 >;
S2: and rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability.
Preferably, the preparation process of the modacrylic fiber and the modified polyamide fiber in the step S1 comprises the following steps:
immersing polyacrylonitrile fibers and polyamide fibers into a modifying solvent for pretreatment, washing the pretreated polyacrylonitrile fibers and polyamide fibers, and drying to obtain modified polyacrylonitrile fibers and modified polyamide fibers.
Preferably, the weight part ratio of the polyacrylonitrile fiber to the polyamide fiber to the modifying solvent is 1:1:2.
Preferably, the preparation method of the modified solvent comprises the following steps:
S11: preparing modified carbon nano tube and crosslinking solution;
S12: and mixing the modified carbon nano tube with the weight ratio of 1:2 with the crosslinking solution to obtain the modified solvent.
Preferably, the preparation method of the modified carbon nanotube in the step S11 comprises the following steps:
and dissolving the carbon nano tube in a mixed solution consisting of N, N-dimethylformamide, triethylamine and a silane coupling agent, performing ultrasonic dispersion for 2-3h, and stirring for 4-6h to obtain the modified carbon nano tube.
Preferably, the silane coupling agent is hexadecyltrimethoxysilane.
Preferably, the weight part ratio of the carbon nano tube to the N, N-dimethylformamide to the triethylamine to the silane coupling agent is 1:2:2:1.
Preferably, the preparation method of the crosslinking solution in step S11 includes the steps of:
Adding polymethylhydrosiloxane and waterborne polyurethane into absolute ethyl alcohol, and stirring for 12-14h at room temperature to obtain a crosslinking solution.
Preferably, the weight ratio of the polymethylhydrosiloxane to the aqueous polyurethane to the absolute ethyl alcohol is 1:2:5.
The waterborne polyurethane and the carbon nanotubes interwoven with each other form a three-dimensional network structure, play a role of a screen when penetrating into the fiber, optimize the pore channel structure, increase the fiber density and keep the air permeability, and meanwhile, the influence on the gas resistance coefficient is extremely small due to the nano-size effect and the excellent specific surface area of the three-dimensional network structure, so that the flow of the gas in the high-density fiber cannot be obviously reduced, and the cooperative regulation and control of the fiber air permeability and the pore structure are realized.
In addition, the water-based polyurethane and the carbon nanotubes interwoven with each other in the invention increase oxygen-containing groups on the fiber surface, improve interfacial shear strength, enhance bundling property of polyacrylonitrile fibers and polyamide fibers and cohesion force among fibers, improve compactness and stiffness of the fabric, and simultaneously obviously improve tensile strength of fiber bundles and enhance weaving performance of the fabric.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the raw materials and the equipment according to the present invention are commercially available, and are not specifically exemplified, and the raw materials according to the present invention are commercially available and are well known to those skilled in the art.
Embodiment one:
the knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: the weight part of the modified polyacrylonitrile fiber is 80 parts, and the weight part of the modified polyamide fiber is 80 parts.
A preparation process of a knitted fabric with high density and good air permeability comprises the following steps:
S1: immersing the polyacrylonitrile fiber and the polyamide fiber into a modifying solvent for pretreatment, washing the pretreated polyacrylonitrile fiber and polyamide fiber, drying to obtain modified polyacrylonitrile fiber and modified polyamide fiber, and respectively feeding the modified polyacrylonitrile fiber and modified polyamide fiber into a knitting machine as yarns to obtain a fabric, wherein the mesh number of unit area is 20 holes/cm 2, and the weight ratio of the polyacrylonitrile fiber to the polyamide fiber to the modifying solvent is 1:1:2;
S2: and rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability.
The preparation method of the modified solvent comprises the following steps:
S11: dissolving a carbon nano tube in a mixed solution consisting of N, N-dimethylformamide, triethylamine and hexadecyl trimethoxy silane, performing ultrasonic dispersion for 3 hours, and stirring for 6 hours to obtain a modified carbon nano tube, wherein the weight ratio of the carbon nano tube to the N, N-dimethylformamide to the triethylamine to the hexadecyl trimethoxy silane is 1:2:2:1;
Adding polymethylhydrosiloxane and waterborne polyurethane into absolute ethyl alcohol, and stirring for 14 hours at room temperature to obtain a crosslinking solution, wherein the weight ratio of the polymethylhydrosiloxane to the waterborne polyurethane to the absolute ethyl alcohol is 1:2:5;
s12: and mixing the obtained modified carbon nano tube and the crosslinking solution according to the weight ratio of 1:2 to obtain the modified solvent.
Embodiment two:
The knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: the weight part of the modified polyacrylonitrile fiber is 60 parts, and the weight part of the modified polyamide fiber is 60 parts.
A preparation process of a knitted fabric with high density and good air permeability comprises the following steps:
S1: immersing the polyacrylonitrile fiber and the polyamide fiber into a modifying solvent for pretreatment, washing the pretreated polyacrylonitrile fiber and polyamide fiber, drying to obtain modified polyacrylonitrile fiber and modified polyamide fiber, and respectively feeding the modified polyacrylonitrile fiber and modified polyamide fiber into a knitting machine as yarns to obtain a fabric, wherein the mesh number of unit area is 20 holes/cm 2, and the weight ratio of the polyacrylonitrile fiber to the polyamide fiber to the modifying solvent is 1:1:2;
S2: and rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability.
The preparation method of the modified solvent comprises the following steps:
S11: dissolving a carbon nano tube in a mixed solution consisting of N, N-dimethylformamide, triethylamine and hexadecyl trimethoxy silane, performing ultrasonic dispersion for 2 hours, and stirring for 4 hours to obtain a modified carbon nano tube, wherein the weight ratio of the carbon nano tube to the N, N-dimethylformamide to the triethylamine to the hexadecyl trimethoxy silane is 1:2:2:1;
Adding polymethylhydrosiloxane and waterborne polyurethane into absolute ethyl alcohol, and stirring for 12 hours at room temperature to obtain a crosslinking solution, wherein the weight ratio of the polymethylhydrosiloxane to the waterborne polyurethane to the absolute ethyl alcohol is 1:2:5;
s12: and mixing the obtained modified carbon nano tube and the crosslinking solution according to the weight ratio of 1:2 to obtain the modified solvent.
Embodiment III:
The knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: the weight parts of the modified polyacrylonitrile fiber are 70 parts, and the weight parts of the modified polyamide fiber are 70 parts.
A preparation process of a knitted fabric with high density and good air permeability comprises the following steps:
S1: immersing the polyacrylonitrile fiber and the polyamide fiber into a modifying solvent for pretreatment, washing the pretreated polyacrylonitrile fiber and polyamide fiber, drying to obtain modified polyacrylonitrile fiber and modified polyamide fiber, and respectively feeding the modified polyacrylonitrile fiber and modified polyamide fiber into a knitting machine as yarns to obtain a fabric, wherein the mesh number of unit area is 20 holes/cm 2, and the weight ratio of the polyacrylonitrile fiber to the polyamide fiber to the modifying solvent is 1:1:2;
S2: and rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability.
The preparation method of the modified solvent comprises the following steps:
S11: dissolving a carbon nano tube in a mixed solution consisting of N, N-dimethylformamide, triethylamine and hexadecyl trimethoxy silane, performing ultrasonic dispersion for 2.5 hours, and stirring for 5 hours to obtain a modified carbon nano tube, wherein the weight ratio of the carbon nano tube to the N, N-dimethylformamide to the triethylamine to the hexadecyl trimethoxy silane is 1:2:2:1;
Adding polymethylhydrosiloxane and waterborne polyurethane into absolute ethyl alcohol, and stirring for 13 hours at room temperature to obtain a crosslinking solution, wherein the weight ratio of the polymethylhydrosiloxane to the waterborne polyurethane to the absolute ethyl alcohol is 1:2:5;
s12: and mixing the obtained modified carbon nano tube and the crosslinking solution according to the weight ratio of 1:2 to obtain the modified solvent.
Comparative example 1:
Comparative example 1 was prepared in substantially the same manner as in example 1, except that the polyacrylonitrile fiber and the polyamide fiber were not pretreated, specifically:
the knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: the weight part of the modified polyacrylonitrile fiber is 80 parts, and the weight part of the modified polyamide fiber is 80 parts.
A preparation process of a knitted fabric with high density and good air permeability comprises the following steps:
S1: respectively feeding the polyacrylonitrile fiber and the polyamide fiber into a knitting machine to obtain a fabric, wherein the mesh number per unit area is 20 holes/cm 2;
S2: and rolling and warehousing the fabric to obtain the knitted fabric.
The fabrics of examples 1 to 3, commercially available Chou jin needle weaving Co., ltd, and the fabric obtained in comparative example 1 were each subjected to performance test, and the test results are shown in Table 1.
The testing method comprises the following steps:
shrinkage ratio: according to the method for testing the shrinkage rate of GB/T6505-2008 chemical fiber filaments in water at 120-130 ℃.
Moisture absorption and quick drying properties: and (3) referring to GB/T21655.1-2008, testing the water dripping diffusion time (enterprise standard: superior product is less than or equal to 1, qualified product is less than or equal to 2), air permeability (enterprise standard: more than or equal to 200) and quick drying time (enterprise standard: less than or equal to 75) of the fabric.
Table 1: test data for the fabrics of examples 1-3, commercially available fabrics and comparative example 1
As can be seen from the table, the density and the air permeability of the fabric in the embodiment 1-3 are improved compared with those of the fabric in the comparative example 1 and the commercial fabric, the higher shrinkage rate of the fabric can reduce gaps among fibers to a certain extent, so that the fabric has higher density, and meanwhile, the three-dimensional net structure is optimized to form a pore channel structure, so that the fabric has good air permeability.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The preparation process of the knitted fabric with high density and good air permeability is characterized by comprising the following steps of:
S1: preparing modified polyacrylonitrile fibers and modified polyamide fibers, and respectively feeding the modified polyacrylonitrile fibers and the modified polyamide fibers into a knitting machine as yarns to obtain a fabric, wherein the mesh number per unit area is 20 holes/cm 2;
s2: rolling and warehousing the fabric to obtain the knitted fabric with high density and good air permeability;
the preparation process of the modified polyacrylonitrile fiber and the modified polyamide fiber in the step S1 comprises the following steps:
Immersing polyacrylonitrile fibers and polyamide fibers into a modifying solvent for pretreatment, washing the pretreated polyacrylonitrile fibers and polyamide fibers, and drying to obtain modified polyacrylonitrile fibers and modified polyamide fibers;
the weight ratio of the polyacrylonitrile fiber to the polyamide fiber to the modifying solvent is 1:1:2;
the preparation method of the modified solvent comprises the following steps:
S11: preparing modified carbon nano tube and crosslinking solution;
s12: mixing the modified carbon nano tube with the weight ratio of 1:2 with the crosslinking solution to obtain a modified solvent;
the preparation method of the modified carbon nanotube in the step S11 comprises the following steps:
Dissolving the carbon nano tube in a mixed solution consisting of N, N-dimethylformamide, triethylamine and a silane coupling agent, performing ultrasonic dispersion for 2-3h, and stirring for 4-6h to obtain a modified carbon nano tube;
The preparation method of the crosslinking solution in the step S11 includes the following steps:
Adding polymethylhydrosiloxane and waterborne polyurethane into absolute ethyl alcohol, and stirring for 12-14h at room temperature to obtain a crosslinking solution;
The knitted fabric with high density and good air permeability comprises the following raw materials in parts by weight: 60-80 parts by weight of modified polyacrylonitrile fiber and 60-80 parts by weight of modified polyamide fiber.
2. The process for producing a knitted fabric having a high density and good air permeability according to claim 1, wherein the silane coupling agent is hexadecyltrimethoxysilane.
3. The process for preparing the knitted fabric with high density and good air permeability according to claim 2, wherein the weight ratio of the carbon nano tube to the N, N-dimethylformamide to the triethylamine to the silane coupling agent is 1:2:2:1.
4. The process for preparing the knitted fabric with high density and good air permeability according to claim 1, wherein the weight ratio of the polymethylhydrosiloxane to the aqueous polyurethane to the absolute ethyl alcohol is 1:2:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210130819.4A CN115387112B (en) | 2022-02-12 | 2022-02-12 | Knitted fabric with high density and good air permeability and preparation process thereof |
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| CN202210130819.4A CN115387112B (en) | 2022-02-12 | 2022-02-12 | Knitted fabric with high density and good air permeability and preparation process thereof |
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| CN115387112A CN115387112A (en) | 2022-11-25 |
| CN115387112B true CN115387112B (en) | 2024-06-18 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235573A (en) * | 2008-02-28 | 2008-08-06 | 上海帕兰朵高级服饰有限公司 | Heating fiber underwear face fabric and processing technique thereof |
| CN106987951A (en) * | 2017-05-24 | 2017-07-28 | 东台市联翔纺织有限公司 | A kind of fabric of resistance to cleaning |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171274B (en) * | 2005-05-09 | 2010-11-17 | 大金工业株式会社 | Fluorosilicones and fluorine- and silicon-containing surface treatment agent |
| JP6145030B2 (en) * | 2013-11-05 | 2017-06-07 | 日華化学株式会社 | Manufacturing method of composite fiber and composite fiber |
| JP6361555B2 (en) * | 2015-04-01 | 2018-07-25 | トヨタ自動車株式会社 | Resin coated carbon fiber and its carbon fiber reinforced composite material |
| CN112900088B (en) * | 2021-01-21 | 2021-12-28 | 浙江跃嘉纺织科技有限公司 | Biological modified fabric and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235573A (en) * | 2008-02-28 | 2008-08-06 | 上海帕兰朵高级服饰有限公司 | Heating fiber underwear face fabric and processing technique thereof |
| CN106987951A (en) * | 2017-05-24 | 2017-07-28 | 东台市联翔纺织有限公司 | A kind of fabric of resistance to cleaning |
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