CN100340397C - Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon - Google Patents
Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon Download PDFInfo
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- CN100340397C CN100340397C CNB031008291A CN03100829A CN100340397C CN 100340397 C CN100340397 C CN 100340397C CN B031008291 A CNB031008291 A CN B031008291A CN 03100829 A CN03100829 A CN 03100829A CN 100340397 C CN100340397 C CN 100340397C
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- Prior art keywords
- polyurethane
- bidirectional elastic
- fabric
- waterproof moisture
- moisture permeating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000004809 Teflon Substances 0.000 title abstract 6
- 229920006362 Teflon® Polymers 0.000 title abstract 6
- 230000005540 biological transmission Effects 0.000 title 1
- 239000004753 textile Substances 0.000 title 1
- 239000004744 fabric Substances 0.000 claims abstract description 52
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 43
- 229920002635 polyurethane Polymers 0.000 claims abstract description 33
- 239000004814 polyurethane Substances 0.000 claims abstract description 33
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 34
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 34
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000012982 microporous membrane Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003085 diluting agent Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 238000010410 dusting Methods 0.000 claims description 4
- DERLTVRRWCJVCP-UHFFFAOYSA-N ethene;ethyl acetate Chemical compound C=C.CCOC(C)=O DERLTVRRWCJVCP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 2
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000013329 compounding Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 229920001817 Agar Polymers 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 239000008272 agar Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention relates to a method for preparing water-proof moisture-permeable laminated teflon fabrics with bidirectional elasticity. The method comprises the following steps: knifing and coating a solution of moisture-permeable polyurethane on parting paper or melting and coating the parting paper by extrusion; attaching a teflon microporous film bidirectionally stretched, and obtaining a polyurethane-teflon bidirectional elastic film after stripping; compounding the polyurethane-teflon bidirectional elastic film with knitted fabrics and nonwoven fabrics by adhesives, and obtaining a water-proof moisture-permeable laminated teflon fabric with bidirectional elasticity; the moisture-permeable quantity of the laminated fabric can reach 9120 g/m<2>24h, and the water pressure resistance can reach 72KPa. Laminated fabrics can be widely used for thermal underwear, sports wear, insulated cold wear, shoe boots, etc.
Description
Technical field
The present invention relates to a kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, this method is with polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic film and looped fabric, non-woven fabric compounded.
Background technology
Present polytetrafluoroethylmicroporous microporous membrane has functions such as waterproof, saturating wet, windproof and chemical defence, and this film thickness is 5～50 microns, 0.1～0.3 micron in aperture, and going up per square inch has 9,000,000,000 micropores approximately, and percent opening is up to more than 80%.But the elastic resilience of polytetrafluoroethylene film is poor, can't with high-elastic match materials such as looped fabric, nonwoven.Therefore, the preparation method who needs the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of a kind of bidirectional elastic of proposition.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, this method is to adopt moisture permeability polyurethane, by its solution of blade coating, or, will fit through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension by extruding molten being coated with on the release liners.It is poor that this method has overcome the elastic resilience of polytetrafluoroethylene film, can't with the shortcoming of high-elastic match materials such as looped fabric, nonwoven.
The object of the present invention is achieved like this: a kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, and its step is as follows:
A, in charging basket, add solvent, start the agitator high-speed stirred, make solvent in charging basket, produce vortex, progressively add the polyurethane particles material, make it in the solvent vortex, to suspend, polyurethane particles material dissolving back adds diluent, be diluted to 10～30%, make polyurethane solutions, described polyurethane solutions is coated on the release liners, will fit with the release liners that is coated with polyurethane solutions through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension again, working pressure equipment pressurization back oven dry, after the oven dry, release liners and described polytetrafluoroethylmicroporous microporous membrane are peeled off, obtained polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film;
B, use adhesive, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film and looped fabric or non-woven fabric cloth are combined with each other, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic, described complex method is dusting, powder point, slurry point, two point, fusion glue point, crackle film, spraying or blade coating.
Compared with the prior art the present invention has following advantage:
1, utilize the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of the bidirectional elastic that the present invention prepares, its vapor transfer rate and water pressure resistance height, technology is simple, cost is low, has remarkable economic efficiency and social benefit.
2, experimental result shows, utilizes the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of the bidirectional elastic that the present invention prepares.The vapor transfer rate of its fabric is up to 9120g/m
224h (pressing dry agar diffusion method test among the GB/T12704-91), water pressure resistance 72Kpa (pressing the GB4744-84 test).Laminated fabric can be widely used in cold-proof underwear, gym suit, insulated cold wear, footwear boots etc.
The specific embodiment
Embodiment one:
A kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, its step is as follows:
A, in charging basket, add solvent, start the agitator high-speed stirred, the mixer rotating speed is 500～1000 rev/mins, make solvent in charging basket, produce vortex, progressively add the polyurethane particles material, the solid content of this polyurethane particles material is 20-60%, make it in the solvent vortex, to suspend, polyurethane particles material dissolving back adds diluent, be diluted to 10～30%, make polyurethane solutions, described polyurethane solutions is coated on the release liners, will fit with the release liners that is coated with polyurethane solutions through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension again, working pressure equipment pressurization back oven dry, after the oven dry, release liners and described polytetrafluoroethylmicroporous microporous membrane are peeled off, obtained polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film;
B, use adhesive, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film and looped fabric or non-woven fabric cloth are combined with each other, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic, described complex method is for removing powder, powder point, slurry point, two point, fusion glue point, crackle film, spraying or blade coating.
In the present embodiment, solvent for use can be chosen any one kind of them in following solvent, and described solvent is dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) and oxolane.In the present embodiment, used diluent can be chosen any one kind of them in following diluent, and described diluent is toluene, butanone, isopropyl alcohol, ethylene glycol, methyl ether and ether.
In the present embodiment, adhesive therefor can be chosen any one kind of them in following adhesive, and described adhesive is polyamide, organosilicon, ethene-ethyl acetate, polyester, polyurethane.
Experimental result shows, can process the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic by said method.The vapor transfer rate of laminated fabric is up to 9120g/m
224h (pressing dry agar diffusion method test among the GB/T12704-91), water pressure resistance 72Kpa (pressing the GB4744-84 test).Laminated fabric can be widely used in cold-proof underwear, gym suit, insulated cold wear, footwear boots etc.
Embodiment two:
A kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, its step is as follows:
A, with the polyurethane particles material drier inner drying 1～5 hour, baking temperature is 100～140 ℃.Utilize the extruder that has board-like die head that polyurethane is directly squeezed on release liners then, extruding polyurethane and the polytetrafluoroethylmicroporous microporous membrane through biaxial tension are fitted, peel off after the pressurization, make polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film;
B, use adhesive, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film and looped fabric or non-woven fabric cloth are combined with each other, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic, described complex method is dusting, powder point, slurry point, two point, fusion glue point, crackle film, spraying or blade coating.
In the present embodiment, adhesive therefor can be chosen any one kind of them in following adhesive, and described adhesive is polyamide, organosilicon, ethene-ethyl acetate, polyester, polyurethane.
Embodiment three:
A kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, its step is as follows:
A, in charging basket, add dimethyl formamide, and high-speed stirred (500～1000rpm), make solvent in charging basket, produce vortex, progressively add the polyurethane particles material, the solid content of polyurethane particles material is 40%, makes it to suspend in the solvent vortex, the dissolving back adds butanone, is diluted to 18%.Solution is coated on the release liners.To fit through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension, the pressurization back is 160 ℃ of oven dry again.After peeling off, make polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film.
B, an employing slurry point applying glue mode are transferred to polyamide binder on polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film, and be again that itself and looped fabric is compound, in 130 ℃ of oven dry, makes the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic.Use the fabric property of present embodiment preparation to see Table 1.
Embodiment four:
A kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic, its step is as follows:
A, with polyurethane drier inner drying 1.5 hours, baking temperature is 115 ℃.In having the extruder of board-like die head, polyurethane is directly squeezed on release liners then.To fit through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension again, peel off after the pressurization, make polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film.
B, employing blade coating applying glue mode are coated in polyurethane binder on polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film, and be again that itself and looped fabric is compound, in 150 ℃ of oven dry, makes the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic.Can also adopt polyester heat to melt nonwoven, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film and this cloth is compound, in 130 ℃ of oven dry, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic.
The performance of the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of table 1 bidirectional elastic
*
| Vapor transfer rate, g/m 2·24h | 9120 |
| Water pressure resistance, Kpa | 72 |
| Air permenbility, ml/m 2·s | 3427 |
Vapor transfer rate is pressed dry agar diffusion method test among the GB/T12704-91, and water pressure resistance is pressed the GB4744-84 test, and Air permenbility is pressed the GB5455-85 test.
Claims (5)
1. the preparation method of the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of a bidirectional elastic is characterized in that:
A, in charging basket, add solvent, start the agitator high-speed stirred, make solvent in charging basket, produce vortex, progressively add the polyurethane particles material, make it in the solvent vortex, to suspend, polyurethane particles material dissolving back adds diluent, be diluted to 10-30%, make polyurethane solutions, described polyurethane solutions is coated on the release liners, will fit with the release liners that is coated with polyurethane solutions through the polytetrafluoroethylmicroporous microporous membrane of biaxial tension again, working pressure equipment pressing and stoving, after the oven dry, release liners and described polytetrafluoroethylmicroporous microporous membrane are peeled off, obtained polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film;
B, use adhesive, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic coated film and looped fabric or non-woven fabric cloth are combined with each other, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic, described complex method is dusting, powder point, slurry point, two point, fusion glue point, spraying or blade coating.
2, according to the preparation method of the described polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of claim 1, it is characterized in that: described solvent is a kind of in dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) and the oxolane, and described diluent is a kind of in toluene, butanone, isopropyl alcohol, ethylene glycol, methyl ether and the ether.
3, according to the preparation method of the described polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of claim 1, it is characterized in that: described adhesive is a kind of in polyamide, organosilicon, ethene-ethyl acetate, polyester or the polyurethane.
4, a kind of preparation method of polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of bidirectional elastic is characterized in that:
A, with the polyurethane particles material drier inner drying 1-5 hour, baking temperature is 100-140 ℃; Utilize the extruder that has board-like die head that polyurethane is directly squeezed on release liners then, extruding polyurethane and the polytetrafluoroethylmicroporous microporous membrane through biaxial tension are fitted, peel off after the pressurization, make polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film;
B, use adhesive, polyurethane-polytetrafluoroethylene (PTFE) bidirectional elastic attaching film and looped fabric or non-woven fabric cloth are combined with each other, make the polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric with bidirectional elastic, described complex method is dusting, powder point, slurry point, two point, fusion glue point, spraying or blade coating.
5, according to the preparation method of the described polytetrafluoroethylwaterproof waterproof moisture permeating laminated fabric of claim 4, it is characterized in that: described adhesive is a kind of in polyamide, organosilicon, ethene-ethyl acetate, polyester or the polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031008291A CN100340397C (en) | 2003-01-22 | 2003-01-22 | Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031008291A CN100340397C (en) | 2003-01-22 | 2003-01-22 | Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1519106A CN1519106A (en) | 2004-08-11 |
| CN100340397C true CN100340397C (en) | 2007-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031008291A Expired - Fee Related CN100340397C (en) | 2003-01-22 | 2003-01-22 | Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon |
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| CN103932436A (en) * | 2014-04-02 | 2014-07-23 | 湖州森诺氟材料科技有限公司 | Ultrathin leisure fabric with windproof and breathable functions and manufacturing method thereof |
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| CN1301191C (en) * | 2005-10-19 | 2007-02-21 | 江阴科隆化工材料有限公司 | Method for coating hot-melt adhesive film on knitted fabric |
| CN101135115B (en) * | 2007-08-29 | 2010-06-09 | 中国人民解放军总后勤部军需装备研究所 | Method for preparing polytetrafluoroethylene waterproof moisture permeating fabric |
| CN101324030B (en) * | 2008-05-23 | 2011-11-09 | 东华大学 | Novel three-dimensional elastic composite material and preparation thereof |
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| CN115320212B (en) * | 2022-08-31 | 2023-10-13 | 郑州中远氨纶工程技术有限公司 | Preparation method of waterproof and moisture permeable composite cloth capable of preventing glue penetration |
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| CN103932436A (en) * | 2014-04-02 | 2014-07-23 | 湖州森诺氟材料科技有限公司 | Ultrathin leisure fabric with windproof and breathable functions and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1519106A (en) | 2004-08-11 |
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