CN102744940A - Method for producing waterproof moisture permeability fabric based on water foaming system - Google Patents
Method for producing waterproof moisture permeability fabric based on water foaming system Download PDFInfo
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- CN102744940A CN102744940A CN2012102493752A CN201210249375A CN102744940A CN 102744940 A CN102744940 A CN 102744940A CN 2012102493752 A CN2012102493752 A CN 2012102493752A CN 201210249375 A CN201210249375 A CN 201210249375A CN 102744940 A CN102744940 A CN 102744940A
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- aqueous
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- waterproof moisture
- fabric
- intumescent coating
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- 239000004744 fabric Substances 0.000 title claims abstract description 53
- 238000005187 foaming Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 14
- 230000035699 permeability Effects 0.000 title abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 61
- 238000004078 waterproofing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 238000003490 calendering Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 238000011282 treatment Methods 0.000 claims abstract description 9
- 229920002635 polyurethane Polymers 0.000 claims description 41
- 239000004814 polyurethane Substances 0.000 claims description 41
- 239000003292 glue Substances 0.000 claims description 26
- 239000000839 emulsion Substances 0.000 claims description 23
- 239000004568 cement Substances 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- 239000002562 thickening agent Substances 0.000 claims description 16
- 239000003431 cross linking reagent Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 229920003232 aliphatic polyester Polymers 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 238000004017 vitrification Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 238000010227 cup method (microbiological evaluation) Methods 0.000 abstract 2
- 229920001817 Agar Polymers 0.000 description 4
- 239000008272 agar Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000007755 gap coating Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a method for producing waterproof moisture permeability fabric based on a water foaming system. The method comprises the following steps: (1), water proofing and calendaring treatments on fabric; (2), preparation of water base coat foaming coating adhesive; (3), preparation of water surface coat foaming coating adhesive; and (4), a dry-method coating process. According to the fabric and the method, an environment-friendly water coating agent and a specific foaming system are developed; a simple coat processing technology is adopted; the high-waterproof moisture permeability fabric in a micro-nano hole structure is produced; by adopting the waterproof moisture permeability fabric produced by the invention, the waterproof property can be equal to that of a 10000mm water column; and the moisture permeability amount can be up to 7000g/m 2*24h by adopting a reverse cup method and is near to 2500g/m 2*24h by adopting an upright cup method.
Description
Technical field
The present invention relates to a kind of dry coating technology, particularly adopt the production method of the pore type Waterproof Breathable coating fabric of aqueous foaming system.
Background technology
The consumption of China's outdoor goods began starting from about 2000, after welcome explosive growth.According to statistics, the Chinese outdoor goods total volume of retail sales reached 107.6 hundred million yuan in 2011, and wherein the share of clothes and dress ornament surpasses 50%, and amplification all surpasses 50% on year-on-year basis.The growth of outdoor goods has both at home and abroad promoted increasing rapidly of waterproof moisture permeable fabric consumption, has also proposed new requirement for waterproof moisture permeable fabric.Yet it is the processing factory in the world and the difficult situation of global products customers that China is faced with, and true cause is core raw material and the core production technology that China does not have really to grasp Waterproof Breathable.
The moisture permeation mechanism of waterproof moisture permeating fabric roughly can be divided into micropore and pass through wet absorption-diffusion-desorption with hydrophilic non-porous film and pass through wet two big classes.The former forms one deck waterproof on the surface of fabric but micropore that can permeate water steam, and its processing method has the polytetrafluoroethylene (PTFE) microporous barrier of employing and fabric laminated is compound and two kinds of wet-process coatings.PTFE microporous barrier Waterproof Breathable effect is best, but the preparation difficulty greatly, cost an arm and a leg and also can't domesticize; Wet-process coating processing also can form good microcellular structure, but the residual amine kind solvent that its process is polluted greatly and existence can't reach European Union's requirement in the fabric does not meet the requirement of product processing and Environmental Safety.Can give through top finish that to take textile many special functional, like Waterproof Breathable of outdoor clothes etc.The coating processing of textile and safety of products, environmental protection and low cost are the targets that academia and industrial quarters are pursued always, also are the only ways of the high-end textile development of China, thereby have very important meaning.
Summary of the invention
The objective of the invention is the deficiency to prior art, provide a kind of based on the aqueous polyurethane foaming system, dry method forms the production method of countless micro-nano holes with the coating fabric of raising waterproofing and moisture-penetration performances after coating fabric face.
The object of the invention is realized through following technical scheme:
A kind of production method of the waterproof moisture permeable fabric based on the aqueous foaming system is characterized in that: comprise the steps:
(1) preceding waterproof and the preceding calendering fabric carried out are handled;
(2) preparation of aqueous basecoat intumescent coating glue, with the solid content of 50-80 weight portion be the association thickener of polyvinyl alcohol, 0.5-0.8 parts by weight of cross-linking agent and 0.6-1.5 weight portion of polyacrylamide, 0.1-0.3 weight portion of silicones polyethers emulsion, the 0.2-0.5 weight portion of lauryl alcohol, the 1.0-1.2 weight portion of paregal O, the 0.05-0.06 weight portion of sodium sulfate of polyethenoxy ether of fatty alcohol, the 0.1-0.8 weight portion of 40% aqueous polyurethane emulsion A, 0.2-0.5 weight portion mixed aqueous basecoat intumescent coating rubber cement material;
(3) preparation of aqueous overcoating intumescent coating glue; With the solid content of 60-80 weight portion is 30% aqueous polyurethane emulsion B, the lauryl sodium sulfate of 1-1.2 weight portion, the lauryl alcohol of 0.05-0.06 weight portion, the silicones polyethers emulsion of 1.0-1.2 weight portion, the mixed aqueous overcoating intumescent coating rubber cement material that gets of the association thickener of the polyvinyl alcohol of the polyacrylamide of 0.2-0.5 weight portion, 0.1-0.3 weight portion, 0.5-0.8 parts by weight of cross-linking agent and 0.6-1.5 weight portion;
(4) dry coating technology foams to aqueous basecoat intumescent coating rubber cement material in foaming machine, and blowing ratio is controlled at 1:1.2-1.5, and the aqueous basecoat intumescent coating rubber cement material after the foaming is coated on the surface of fabric, and oven dry forms primer then; In foaming machine, aqueous overcoating intumescent coating rubber cement material is foamed, blowing ratio is controlled at 1:2.5-3, and the aqueous overcoating intumescent coating rubber cement material after the foaming is coated on the surface of primer, dries formation face glue then.
Further, it is that waterproofing agent carries out preceding water-proofing treatment through padding method to fabric that said step (1) adopts eight carbon fluorine, dries after the water-proofing treatment, and calendering was handled and made cloth cover smooth before the oven dry back adopted 160-180 ℃ hot-rolling that fabric is carried out.
Further, the coating weight of said primer is controlled at 50-100g/m
2, adopt the incremental temperature to dry, bake out temperature is controlled at 100 ℃-140 ℃, and the coating weight of said glue is controlled at 40-90g/m
2, adopt the incremental temperature to dry, bake out temperature is controlled at 100 ℃-160 ℃.
Further, said association thickener is a polyester-type hydrophobic association type polyurethane thickener.
Further, the viscosity of said aqueous basecoat intumescent coating glue is greater than the viscosity of said aqueous overcoating intumescent coating glue.
Further; Said aqueous polyurethane emulsion A is an aromatic polyester polyurethane dispersing liquid body; Said aqueous polyurethane emulsion B is the aliphatic polyester polyurethane dispersing liquid, and the vitrification point of aromatic polyester polyurethane dispersing liquid body is lower than the aliphatic polyester polyurethane dispersing liquid.
Further, said crosslinking agent is an aliphatic polyurethane.
The present invention has following beneficial effect:
The present invention is coated with respectively to scrape through different aqueous basecoat intumescent coating glue of blowing ratio and aqueous overcoating intumescent coating glue and on fabric, forms primer and face glue, to reach the qualified purpose of integrated performance index; The height of the resistance to hydrostatic pressure of waterproof moisture permeating fabric is basically by the primer decision, so the primer blowing ratio must be controlled at low scope; Face glue is very big to the water vapour permeability influence, can suitably improve the bubble ratio to increase the micro-nano number of perforations for increasing water vapour permeability; This production technology adopts the water-based system of environmental protection, has not only solved the solvent contamination problem, and has adopted simple coating process, and cost has had great reduction.
The specific embodiment
Embodiment one
A kind of production method of the waterproof moisture permeable fabric based on the aqueous foaming system comprises the steps:
(1) the preceding waterproof of fabric and preceding calendering are handled, and adopting eight carbon fluorine is that waterproofing agent carries out preceding water-proofing treatment through padding method to fabric, dry after the water-proofing treatment, and calendering was handled and made cloth cover smooth before the oven dry back adopted 170 ℃ hot-rolling that fabric is carried out;
(2) preparation of aqueous basecoat intumescent coating glue, with the solid content of 50 weight portions be sodium sulfate of polyethenoxy ether of fatty alcohol (AES), 0.1 weight portion paregal O, 0.05 weight portion lauryl alcohol, 1.0 weight portion silicones polyethers emulsions (MPS), 0.3 weight portion polyacrylamide, 0.1 weight account polyethylene alcohol, 0.5 weight portion crosslinking agent and the 1 weight portion association thickener of 40% aqueous polyurethane emulsion A, 0.2 weight portion mixed aqueous basecoat intumescent coating rubber cement material;
(3) preparation of aqueous overcoating intumescent coating glue; With the solid content of 60 weight portions is 30% aqueous polyurethane emulsion B, 1 weight portion lauryl sodium sulfate (K12), the lauryl alcohol of 0.05 weight portion, the silicones polyethers emulsion (MPS) of 1.2 weight portions, the association thickener of the polyvinyl alcohol of the polyacrylamide of 0.3 weight portion, 0.1 weight portion, 0.8 parts by weight of cross-linking agent and 0.6 weight portion mixed aqueous overcoating intumescent coating rubber cement material;
(4) dry coating technology, coating aqueous basecoat intumescent coating glue on the surface of fabric, blowing ratio is controlled at 1:1.2, and coating weight is controlled at 80g/m
2, bake out temperature is controlled at 120 ℃; Coating aqueous overcoating intumescent coating glue on the surface of aqueous basecoat intumescent coating glue, blowing ratio is controlled at 1:3, and coating weight is controlled at 60g/m
2, bake out temperature is controlled at 130 ℃, and above-mentioned coating process all adopts the gap coating way, promptly between scraper and the fabric certain interval is arranged, and coating process adopts and is coated with the mode of scraping continuously, and bake out temperature increases progressively from low temperature to high temperature gradually.
Wherein, Aqueous polyurethane emulsion A is an aromatic polyester polyurethane dispersing liquid body; Aqueous polyurethane emulsion B is the aliphatic polyester polyurethane dispersing liquid; The vitrification point of aromatic polyester polyurethane dispersing liquid body is lower than the aliphatic polyester polyurethane dispersing liquid, and association thickener is a polyester-type hydrophobic association type polyurethane thickener, and crosslinking agent is an aliphatic polyurethane.
The waterproof moisture permeable fabric water resistance that makes can reach the 10000mm water column, and vapor transfer rate can reach the level of 7352g/m224h of falling the agar diffusion method and the positive nearly 2500g/m224h of agar diffusion method.
Embodiment two
A kind of production method of the waterproof moisture permeable fabric based on the aqueous foaming system comprises the steps:
(1) the preceding waterproof of fabric and preceding calendering are handled, and adopting eight carbon fluorine is that waterproofing agent carries out preceding water-proofing treatment through padding method to fabric, dry after the water-proofing treatment, and calendering was handled and made cloth cover smooth before the oven dry back adopted 170 ℃ hot-rolling that fabric is carried out;
(2) preparation of aqueous basecoat intumescent coating glue, with the solid content of 60 weight portions be the association thickener of polyvinyl alcohol, 0.8 parts by weight of cross-linking agent and 1.5 weight portions of polyacrylamide, 0.3 weight portion of silicones polyethers emulsion (MPS), 0.4 weight portion of lauryl alcohol, 1.2 weight portions of paregal O, 0.06 weight portion of sodium sulfate of polyethenoxy ether of fatty alcohol (AES), 0.3 weight portion of 40% aqueous polyurethane emulsion A, 0.3 weight portion mixed aqueous basecoat intumescent coating rubber cement material;
(3) preparation of aqueous overcoating intumescent coating glue, with the solid content of 80 weight portions be the association thickener of polyvinyl alcohol, 0.6 parts by weight of cross-linking agent and 0.8 weight portion of polyacrylamide, 0.3 weight portion of lauryl alcohol, 0.5 weight portion of lauryl sodium sulfate (K12), 0.06 weight portion of 30% aqueous polyurethane emulsion B, 1.2 weight portions mixed aqueous overcoating intumescent coating rubber cement material.
(4) dry coating technology, coating aqueous basecoat intumescent coating glue on the surface of fabric, blowing ratio is controlled at 1:1.5, and coating weight is controlled at 80g/m
2, bake out temperature is controlled at 140 ℃; Coating aqueous overcoating intumescent coating glue on the surface of aqueous basecoat intumescent coating glue, blowing ratio is controlled at 1:2.5, and coating weight is controlled at 40g/m
2, bake out temperature is controlled at 140 ℃, and above-mentioned coating process all adopts the gap coating way, promptly between scraper and the fabric certain interval is arranged, and coating process adopts and is coated with the mode of scraping continuously, and bake out temperature increases progressively from low temperature to high temperature gradually.
Wherein, Aqueous polyurethane emulsion A is an aromatic polyester polyurethane dispersing liquid body; Aqueous polyurethane emulsion B is the aliphatic polyester polyurethane dispersing liquid; The vitrification point of aromatic polyester polyurethane dispersing liquid body is lower than the aliphatic polyester polyurethane dispersing liquid, and association thickener is a polyester-type hydrophobic association type polyurethane thickener, and crosslinking agent is an aliphatic polyurethane.
The waterproof moisture permeable fabric water resistance that makes can reach the 10000mm water column, and vapor transfer rate can reach the 7394g/m of falling the agar diffusion method
224h and the positive nearly 2500g/m of agar diffusion method
2The level of 24h.
The above is merely preferred embodiment of the present invention, so can not limit the scope that the present invention implements with this, the equivalence of promptly doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (8)
1. the production method based on the waterproof moisture permeable fabric of aqueous foaming system is characterized in that: comprise the steps:
(1) preceding waterproof and the preceding calendering fabric carried out are handled;
(2) preparation of aqueous basecoat intumescent coating glue, with the solid content of 50-80 weight portion be the association thickener of polyvinyl alcohol, 0.5-0.8 parts by weight of cross-linking agent and 0.6-1.5 weight portion of polyacrylamide, 0.1-0.3 weight portion of silicones polyethers emulsion, the 0.2-0.5 weight portion of lauryl alcohol, the 1.0-1.2 weight portion of paregal O, the 0.05-0.06 weight portion of sodium sulfate of polyethenoxy ether of fatty alcohol, the 0.1-0.8 weight portion of 40% aqueous polyurethane emulsion A, 0.2-0.5 weight portion mixed aqueous basecoat intumescent coating rubber cement material;
(3) preparation of aqueous overcoating intumescent coating glue; With the solid content of 60-80 weight portion is 30% aqueous polyurethane emulsion B, the lauryl sodium sulfate of 1-1.2 weight portion, the lauryl alcohol of 0.05-0.06 weight portion, the silicones polyethers emulsion of 1.0-1.2 weight portion, the mixed aqueous overcoating intumescent coating rubber cement material that gets of the association thickener of the polyvinyl alcohol of the polyacrylamide of 0.2-0.5 weight portion, 0.1-0.3 weight portion, 0.5-0.8 parts by weight of cross-linking agent and 0.6-1.5 weight portion;
(4) dry coating technology foams to aqueous basecoat intumescent coating rubber cement material in foaming machine, and blowing ratio is controlled at 1:1.2-1.5, and the aqueous basecoat intumescent coating rubber cement material after the foaming is coated on the surface of fabric, and oven dry forms primer then; In foaming machine, aqueous overcoating intumescent coating rubber cement material is foamed, blowing ratio is controlled at 1:2.5-3, and the aqueous overcoating intumescent coating rubber cement material after the foaming is coated on the surface of primer, dries formation face glue then.
2. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1; It is characterized in that: it is that waterproofing agent carries out preceding water-proofing treatment through padding method to fabric that said step (1) adopts eight carbon fluorine; Dry after the water-proofing treatment, calendering was handled and is made cloth cover smooth before the oven dry back adopted 160-180 ℃ hot-rolling that fabric is carried out.
3. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1 and 2, it is characterized in that: the coating weight of said primer is controlled at 50-100g/m
2, adopt the incremental temperature to dry, bake out temperature is controlled at 100 ℃-140 ℃, and the coating weight of said glue is controlled at 40-90g/m
2, adopt the incremental temperature to dry, bake out temperature is controlled at 100 ℃-160 ℃.
4. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1 and 2, it is characterized in that: said association thickener is a polyester-type hydrophobic association type polyurethane thickener.
5. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1 and 2, it is characterized in that: the viscosity of said aqueous basecoat intumescent coating glue is greater than the viscosity of said aqueous overcoating intumescent coating glue.
6. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1 and 2; It is characterized in that: said aqueous polyurethane emulsion A is an aromatic polyester polyurethane dispersing liquid body, and said aqueous polyurethane emulsion B is the aliphatic polyester polyurethane dispersing liquid.
7. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 6, it is characterized in that: the vitrification point of said aromatic polyester polyurethane dispersing liquid body is lower than the aliphatic polyester polyurethane dispersing liquid.
8. the production method of a kind of waterproof moisture permeable fabric based on the aqueous foaming system according to claim 1 and 2, it is characterized in that: said crosslinking agent is an aliphatic polyurethane.
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| CN201210249375.2A CN102744940B (en) | 2012-07-19 | 2012-07-19 | Method for producing waterproof moisture permeability fabric based on water foaming system |
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| CN201210249375.2A CN102744940B (en) | 2012-07-19 | 2012-07-19 | Method for producing waterproof moisture permeability fabric based on water foaming system |
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| CN102744940B CN102744940B (en) | 2014-10-29 |
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| CN102960884A (en) * | 2012-12-03 | 2013-03-13 | 吴江市鼎佳纺织有限公司 | Waterproof garment fabric |
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| CN103358641A (en) * | 2013-06-26 | 2013-10-23 | 江苏南纬悦达纺织研究院有限公司 | Shell fabric manufacturing technology for improving stripping strength of high-denier gluing shell fabric |
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