CN102154845B - Waterproof ventilated coated cloth - Google Patents
Waterproof ventilated coated cloth Download PDFInfo
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- CN102154845B CN102154845B CN2011100804574A CN201110080457A CN102154845B CN 102154845 B CN102154845 B CN 102154845B CN 2011100804574 A CN2011100804574 A CN 2011100804574A CN 201110080457 A CN201110080457 A CN 201110080457A CN 102154845 B CN102154845 B CN 102154845B
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Abstract
The invention discloses waterproof ventilated coated cloth. The waterproof ventilated coated cloth is characterized by comprising substrate cloth; a primer coating and a surface adhesive coating are printed on a single surface of the substrate cloth sequentially; the primer coating comprises the following components in percentage by weight: 76 to 80 percent of polyurethane, 0.9 to 2.2 percent of artificial zeolite powder with the grain size of 5 to 50 micrometers, and 16 to 20 percent of dimethy formamide (DMF) solvent; and the surface adhesive coating comprises the following components in percentage by weight: 72 to 76 percent of polyurethane, 2.5 to 3.5 percent of artificial zeolite powder with the grain size of 5 to 50 micrometers, 15 to 18 percent of DMF solvent and 0.3 to 1.5 percent of anionic surfactant. In the waterproof ventilated coated cloth, the polyurethane and the cloth are combined by a thermoplastic polyurethane film processing technology. A polyurethane film has no pores, so that the polyurethane film has high wind resistance and waterproofness; meanwhile, the polyurethane film has high hydrophilcity, and realizes the moisture-permeable function by using pressure difference of internal and external water vapor, and the polyurethane can be easily degraded naturally, and is soft, so that the cloth has the advantages of environment-friendliness and comfort in wearing and the like.
Description
Technical field
The invention belongs to textile field, be specifically related to a kind of waterproof and breathable cloth.
Background technology
Usually, have at fabric under the situation of high water proofing property, ventilative is to disagree with passing through wet these two performances, can only select one of which.Can not breathe freely and pass through wet lining, can't make human body skin keep dry and comfortable, promptly grow mould easily, not warming again.Research about the ventilative lining of Waterproof Breathable has a lot, three kinds of settling modes has been arranged at present: through high density fabric, laminated fabric and the coated fabric of refusing water treatment.Especially the cost with coated fabric is low in these three kinds of modes, and production technology simply receives comparatively widely and using.Coated fabric normally adds that by macromolecule waterproof ventilative material (PTFE film) cloth is composited.Though the waterproof and moisture permeability of PTFE lining is better, general feel is relatively poor, and washing fastness and windproof property are relatively poor, and particularly it is not easy by natural degradation, and ignition temperature is high, therefore can damage environment.The microporous polyurethane film has soft, and intensity is high, advantages such as waterproof and breathable; How with the combining of microporous polyurethane film and cloth, making a kind of novel waterproof and breathable cloth is the problem that the present invention will solve.
Summary of the invention
The invention provides a kind of solution of the above problems, the waterproof and breathable coated fabric and the processing technology thereof of a kind of good hand touch, good waterproof performance is provided.
Technical scheme of the present invention provides a kind of waterproof and breathable coated fabric, it is characterized in that: it comprises base material cloth, and the single face of said base material cloth is printed with primer coating and face gel coating successively; The composition of said primer coating and weight ratio thereof are: 76～80% polyurethane, 5～50um artificial zeolite powder of 0.9～2.2%, 16～20% DMF solvent, 0.5～2.0% anion surfactant, 0.7～0.8% antifoaming agent; The composition of said gel coating and weight ratio thereof are: 72～76% polyurethane; 2.5 5～50um artificial zeolite powder of～3.5%, 15～18% DMF solvent, 0.3～1.5% anion surfactant; 0.7～2% non-ionic surface active agent; 0.7% antifoaming agent, 0.07% levelling agent, 4.0～5.5% white colorant.
Preferably, the weight of said primer coating is 15～20% of said base material cloth weight.
Preferably, the weight of said gel coating is 30～35% of said base material cloth weight.
Make the technology of waterproof and breathable coated fabric of the present invention, it is characterized in that: it may further comprise the steps:
1) impregnation: after each composition mixing with said primer coating and said gel coating, fully stir respectively, form jelly.
2) blade coating primer: in the said primer coating of the single face blade coating of said base material cloth, the speed of blade coating is 18～20 m/min.
3) oven dry primer coating: the said primer coating to printing is dried, and the temperature of oven dry is 110～130 ℃, and baking duration is 1～2min.
4) water-soluble pore-forming: will go up the semi-finished product that obtain in the step and put into water and soak, and make that said DMF solvent and the water in the said primer coating will fully be replaced, water temperature is 40～50 ℃.
5) primer coating press polish: the said primer coating to drying in the step 4) is carried out press polish, and the temperature of press polish is 80～90 ℃, pressure 80～100Mpa, speed 20～25m/min.
6) blade coating face glue: said gel coating of blade coating on said primer coating, the speed of blade coating is 8～12 m/min.
7) oven dry face gel coating: said gel coating to printing dried, and the temperature of oven dry is 150～160 ℃, and baking duration is 2～3min.
8) water-soluble pore-forming: will go up the semi-finished product that obtain in the step and put into water and soak, and make that said DMF solvent and the water in said the gel coating will fully be replaced, water temperature is 40～50 ℃.
9) face gel coating press polish: said gel coating to drying in the step 8) carries out press polish, and the temperature of press polish is 80～90 ℃, pressure 80～100Mpa, speed 20～25m/min.
Preferably, it is characterized in that: the concentration of the organic solvent in the water in said step 4) and the step 8) all is lower than 8%.
Waterproof and breathable coated fabric of the present invention combines microporous polyurethane film and cloth through thermoplastic polyurethane microporous membrane process technology.The micropore of microporous polyurethane film own, therefore windproof and good waterproof performance; Have water proofing property, utilize the pressure differential of the ectonexine steam of film simultaneously, realize passing through wet function.Therefore easy natural degradation, and soft also has environmental protection, advantage such as comfortable and easy to wear.
Description of drawings
Fig. 1 is the structural representation of waterproof and breathable coated fabric of the present invention.
The specific embodiment
Following specific embodiments of the invention is described in further detail.
As shown in Figure 1, a kind of waterproof and breathable coated fabric of the present invention comprises base material cloth 1, and the single face of base material cloth 1 is printed with primer coating 2 and face gel coating 3 successively.
The composition of primer coating 2 and weight ratio thereof are: 76～80% polyurethane, 5～50um artificial zeolite powder of 0.9～2.2%, 16～20% DMF solvent, 0.5～2.0% anion surfactant, 0.7～0.8% antifoaming agent.
The composition of face gel coating 3 and weight ratio thereof are: 72～76% polyurethane; 2.5 5～50um artificial zeolite powder of～3.5%, 15～18% DMF (dimethyl formamide) solvent, 0.3～1.5% anion surfactant; 0.7～2% non-ionic surface active agent; 0.7% antifoaming agent, 0.07% levelling agent, 4.0～5.5% white colorant.
The technology of making waterproof and breathable coated fabric of the present invention comprises:
Impregnation: above-mentioned primer and face glue are stirred by separately composition, form jelly.
Single face primer coating: the primer that mixes up is carried out the single face coating on base material cloth.The coating weight of primer will be controlled at 15～20% of the own weight of base material cloth.Speed during coating will be controlled at 18～20 m/min.Dry 110～130 ℃ of bake out temperatures, time 1～2min after coating.
Water-soluble pore-forming: semi-finished product are placed in the displacement tank, are soaked in water.Make DMF solvent and the interior water of tank in the primer fully replace, thereby on primer, form micropore.The organic solvent concentration of water will be lower than 8% in the tank, and temperature maintenance so just can obtain replacement result preferably at 40～50 ℃ of degree, thereby obtains higher ventilative and moisture permeability.
Coat side press polish: after the primer coating, carry out the press polish of glue face, 80～90 ℃ of calendering temperatures, pressure 80～100Mpa, speed 20～25m/min.
Single face face gel coating: the face glue that will mix up carries out the single face coating on base material cloth, the coating weight of face glue will be controlled at 30～35% of the own weight of base material cloth.Speed during coating will be controlled at 8～12 m/min.Dry 150～160 ℃ of bake out temperatures, time 2～3min after coating.
Water-soluble pore-forming: semi-finished product are placed in the displacement tank, are soaked in water.Make DMF solvent and the interior water of tank in the face glue fully replace, thereby on face glue, form micropore.The organic solvent concentration of water will be lower than 8% in the tank, and temperature maintenance so just can obtain replacement result preferably at 40～50 ℃ of degree, thereby obtains higher ventilative and moisture permeability.
Coat side press polish: behind the face gel coating, carry out the press polish of glue face, 80～90 ℃ of calendering temperatures, pressure 80～100Mpa, speed 20～25m/min.
Through above thermoplastic polyurethane microporous membrane process technology, microporous polyurethane film and cloth are combined, produce a kind of novel waterproof and breathable coated fabric.Having the following advantages of waterproof and breathable coated fabric of the present invention:
1. moisture permeability is greater than 15000g/m2*24hr.
2. form tiny hole, gas permeability reaches 5～10mm/s.
3. keep the capability of anti-wind of height, improve wearing comfortableness.
4. environmental protection, nontoxic: the raw material that this product uses all are natural, but natural degradation.
Above embodiment is merely the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (2)
1. the technology of a waterproof and breathable coated fabric, this waterproof and breathable coated fabric comprises base material cloth, the single face of said base material cloth is printed with primer coating and face gel coating successively; The composition of said primer coating and weight ratio thereof are: 76～80% polyurethane, 0.9～2.2% 5～50 μ mm artificial zeolite powder, 16～20% DMF solvent, 0.5～2.0% anion surfactant, 0.7～0.8% antifoaming agent; The composition of said gel coating and weight ratio thereof are: 72～76% polyurethane, 2.5～3.5% 5～50 μ m artificial zeolite powder, 15～18% DMF solvent; 0.3～1.5% anion surfactant; 0.7～2% non-ionic surface active agent, 0.7% antifoaming agent, 0.07% levelling agent; 4.0～5.5% white colorant is characterized in that: it may further comprise the steps:
1) impregnation: after each composition mixing with said primer coating and said gel coating, fully stir respectively, form jelly;
2) blade coating primer: in the said primer coating of the single face blade coating of said base material cloth, the speed of blade coating is 18～20 m/min;
3) oven dry primer coating: the said primer coating to printing is dried, and the temperature of oven dry is 110～130 ℃, and baking duration is 1～2min;
4) water-soluble pore-forming: will go up the semi-finished product that obtain in the step and put into water and soak, and make that said DMF solvent and the water in the said primer coating will fully be replaced, water temperature is 40～50 ℃;
5) primer coating press polish: the said primer coating to drying in the step 4) is carried out press polish, and the temperature of press polish is 80～90 ℃, pressure 80～100MPa, speed 20～25m/min;
6) blade coating face glue: said gel coating of blade coating on said primer coating, the speed of blade coating is 8～12 m/min;
7) oven dry face gel coating: said gel coating to printing dried, and the temperature of oven dry is 150～160 ℃, and baking duration is 2～3min;
8) water-soluble pore-forming: will go up the semi-finished product that obtain in the step and put into water and soak, and make that said DMF solvent and the water in said the gel coating will fully be replaced, water temperature is 40～50 ℃;
9) face gel coating press polish: said gel coating to drying in the step 8) carries out press polish, and the temperature of press polish is 80～90 ℃, pressure 80～100MPa, speed 20～25m/min.
2. technology according to claim 1 is characterized in that: the concentration of the said DMF solvent in the water in said step 4) and the step 8) all is lower than 8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100804574A CN102154845B (en) | 2011-03-31 | 2011-03-31 | Waterproof ventilated coated cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100804574A CN102154845B (en) | 2011-03-31 | 2011-03-31 | Waterproof ventilated coated cloth |
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| CN102154845A CN102154845A (en) | 2011-08-17 |
| CN102154845B true CN102154845B (en) | 2012-10-31 |
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| CN2011100804574A Active CN102154845B (en) | 2011-03-31 | 2011-03-31 | Waterproof ventilated coated cloth |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866579A (en) * | 2012-12-14 | 2014-06-18 | 东丽纤维研究所（中国）有限公司 | Ventilating waterproof moisture-permeable wet-process coating fabric, and processing method and application thereof |
| CN103881362A (en) * | 2014-04-03 | 2014-06-25 | 昆山金有利新材料科技有限公司 | Waterproof breathable polyurethane film and preparation method thereof |
| CN107794771A (en) * | 2016-08-31 | 2018-03-13 | 昆山华阳新材料股份有限公司 | The manufacturing process of the micro- porous coating fabric of far infrared |
| CN106906671B (en) * | 2017-02-21 | 2019-10-11 | 吴国宪 | Waterproof cloth and preparation method and electromagnetic physiotherapy pad for low frequency electromagnetic physiotherapy cushion |
| CN107326692A (en) * | 2017-05-25 | 2017-11-07 | 无锡金双面料科技有限公司 | A kind of processing technology of waterproof ventilating type stamp yarn-dyed fabric |
| CN108286191B (en) * | 2017-12-30 | 2021-03-02 | 台华高新染整(嘉兴)有限公司 | Ultra-high water pressure chinlon ATY fabric |
| CN109130344A (en) * | 2018-08-27 | 2019-01-04 | 嘉善凝红绒业有限公司 | A kind of composite air-permeable Flocked fabric |
| CN109763348A (en) * | 2019-01-19 | 2019-05-17 | 苏州蓝纳青医用材料科技有限公司 | A kind of air-moisture-permeable coating, coating cloth and preparation method thereof |
| CN110644246B (en) * | 2019-09-16 | 2022-04-05 | 安徽安利材料科技股份有限公司 | Polyurethane synthetic leather for moisture-absorbing and breathable shoe lining and preparation method thereof |
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| EP1493862A1 (en) * | 2003-07-01 | 2005-01-05 | Bostik Findley S.A. | Process for coating a substrate with a solvent-free flow threshold fluid |
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| EP1493862A1 (en) * | 2003-07-01 | 2005-01-05 | Bostik Findley S.A. | Process for coating a substrate with a solvent-free flow threshold fluid |
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Effective date of registration: 20190419 Address after: 215300 Room 5, No. 19 Chunjiang Road, Lujiazhen, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Baoyang new Mstar Technology Ltd Address before: 215331 No. 19 Chunjiang Road, Lujiazhen, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Boyang Composite Materials Technology (Kunshan) Co., Ltd. |
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