CN104708878B - The composite microporous thin film of high resiliency double-component - Google Patents

The composite microporous thin film of high resiliency double-component Download PDF

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Publication number
CN104708878B
CN104708878B CN201510087346.4A CN201510087346A CN104708878B CN 104708878 B CN104708878 B CN 104708878B CN 201510087346 A CN201510087346 A CN 201510087346A CN 104708878 B CN104708878 B CN 104708878B
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parts
film
polyurethane
thin film
pore type
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CN104708878A (en
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张子睿
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Kunshan Huayang New Material Ltd Co
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Kunshan Huayang New Material Ltd Co
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Priority to CN201610481554.7A priority Critical patent/CN106142695B/en
Priority to CN201510087346.4A priority patent/CN104708878B/en
Priority to CN201610478035.5A priority patent/CN106113861B/en
Priority to CN201610477974.8A priority patent/CN106079633B/en
Priority to CN201610478036.XA priority patent/CN106113833B/en
Publication of CN104708878A publication Critical patent/CN104708878A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
    • A41D31/102—Waterproof and breathable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32—LAYERED PRODUCTS
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract

The present invention discloses a kind of composite microporous thin film of high resiliency double-component, including pore type polyurethane film, polytetrafluoroethylene film, is bonded by adhesive layer between described pore type polyurethane film, polytetrafluoroethylene film；Prefabricated polyurethane slurry is composed of the following components：100 parts of polyurethane resin, 20 ~ 25 parts of dimethylformamide, 32 ~ 35 parts of toluene, 12 ~ 15 parts of butanone, 8 ~ 9 parts of microspheres, 1.5 ~ 2.5 parts of Isosorbide-5-Nitrae one butanediol, 1.2 ~ 1.8 parts of polyacrylamide, 0.3 ~ 0.5 part of acrylate, 0.2 ~ 0.3 part of organosiloxane emulsion；Adhesive layer is composed of the following components：100 parts of polyurethane resin, 12 ~ 15 parts of dimethylformamide, 4 ~ 6 parts of toluene, 7 ~ 9 parts of ethyl acetate, 4 ~ 6 parts of microspheres, 0.2 ~ 0.4 part of crane span structure agent, 0.15 ~ 0.25 part of accelerator, 1.2 ~ 2 parts of silane coupler.The composite microporous thin film of the present invention improves elasticity and adaptability, have high intensity, do not absorb water, anti-wear performance, improve heat resistance simultaneously.

Description

The composite microporous thin film of high resiliency double-component
Technical field
The present invention relates to a kind of composite microporous thin film of high resiliency double-component, belong to technical field of textile fabric.
Background technology
Waterproof ＆ Moisture Permeable Film of the prior art is mainly hydrophilic Waterproof ＆ Moisture Permeable Film, using answering that this thin film is made Close fabric, its mechanism is to be contacted with fabric face by antiperspirant vapour, is delivered to the external world by hydrophilic group.This fabric exists Big problem is exactly：Hydrophilic group adsorbed water molecule, makes fabric become very thick and heavy, clammy, and human body dress has discomfort.Also There is a kind of micro- porous membrane being namely based on nanometer technology principle, wherein mainly with the micro- porous membrane of polyurethane and politef Based on thin film, both thin film have different pluses and minuses, the micro- porous membrane of polyurethane have preferable waterproofing and moisture-penetration performances its Excellent spring, can adapt to different attaching process during the laminating with fabric, prevents wrinkling, the elastic not good shape of fabric Condition, simultaneously in the motor process of high intensity out of doors, the fabric of joint part can occur different degrees of stretching, then this Thin-film material imparts elasticity and the adaptability that clothing are become reconciled, and also prevent the shape such as Film Tear in violent motor process No matter condition is so as to can have excellent water resistance in which type of environment.And polytetrafluoroethylene film, because it is special Different microcellular structure（In netted）Make it have wind and water preventing, the water vapour permeability that pore type polyurethane film can not have, be better than Traditional microporous polyurethane thin film, but its shortcoming is also obvious, and its elasticity of this material is substantially zeroed, therefore this thin film Material either all can not well adapt to face in the recombination process with fabric or during the strenuous exercise of high intensity The brought thin film damage of material stretching, easily causes water resistance and its decline with the bond propertiess of fabric.
Content of the invention
It is an object of the present invention to provide a kind of composite microporous thin film of high resiliency double-component, this composite microporous thin film improves elasticity And adaptability, have high intensity, do not absorb water, anti-wear performance, improve heat resistance simultaneously.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of composite microporous thin film of high resiliency double-component, bag Include pore type polyurethane film, polytetrafluoroethylene film, pass through between described pore type polyurethane film, polytetrafluoroethylene film Adhesive layer bonds, and the number of described polytetrafluoroethylene film hole per square inch is 85 ~ 9,500,000,000, and the average diameter of hole is 0.2um~10um；
Described pore type polyurethane film is scratched in silicon oil release paper and successively 80 ~ 150 by prefabricated polyurethane slurry The baking oven baking of degree thermograde, is cooled to room temperature after reaching 150 degree and be incubated again and obtains；
Described prefabricated polyurethane slurry is composed of the following components：
100 parts of polyurethane resin,
20 ~ 25 parts of dimethylformamide,
32 ~ 35 parts of toluene,
12 ~ 15 parts of butanone,
8 ~ 9 parts of microspheres,
1.5 ~ 2.5 parts of Isosorbide-5-Nitrae one butanediol,
1.2 ~ 1.8 parts of polyacrylamide,
0.3 ~ 0.5 part of acrylate,
0.2 ~ 0.3 part of organosiloxane emulsion；
Described adhesive layer is composed of the following components：
100 parts of polyurethane resin,
12 ~ 15 parts of dimethylformamide,
Toluene（TOL）4 ~ 6 parts,
7 ~ 9 parts of ethyl acetate,
4 ~ 6 parts of microspheres,
0.2 ~ 0.4 part of crane span structure agent,
0.15 ~ 0.25 part of accelerator,
1.2 ~ 2 parts of silane coupler.
In technique scheme, further improved technical scheme is as follows：
Preferably, the volume of described polytetrafluoroethylene film Hole accounts for the 80 ~ 90% of polytetrafluoroethylene film volume.
Preferably, the mass ratio between described polytetrafluoroethylene film and pore type polyurethane film is 1：6.5 ~ 7, thick Degree ratio is 1：0.3~0.6.
Preferably, the baking oven baking of described 80 ~ 150 degree of thermogrades specifically included with the next stage：
The described first stage：Under conditions of 80 DEG C, and carry out under the empty vapour atmosphere of low speeds flow；
Second stage：Under conditions of 90 DEG C, and carry out under the empty vapour atmosphere of middling speed flowing；
Phase III：Under conditions of 110 DEG C, and carry out under the empty vapour atmosphere of speed flowing by force；
Fourth stage：Under conditions of 140 DEG C, and carry out under the empty vapour atmosphere of low speeds flow.
Preferably, described microspheres are akzonobel company microspheres, it has resilient shell and is contained within The low-boiling point materials such as iso-butane, propane, pentane.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect：
1. the composite microporous thin film of high resiliency double-component of the present invention, can avoid due to pore type polytetrafluoroethylene film The materials such as the dust in the empty vapour of layer absorption, the salt in perspiration, oils and fatss cosmetics and detergent are it is achieved that keep for a long time Stable waterproof and perspire vapour performance；Secondly, combine with layer of polyurethane and polytetrafluoroethylene film layer, external improving While stoping rainwater performance, have and enhance the internal performance discharging human body antiperspirant vapour so that fabric has more preferably comfortableness Can be with broader practice scope；Again, because this double-component thin-film material has uniform hole in a large number, and there is parent Water refuses the microvoid polyurethane resin bed of the type of oil, thus being more beneficial for the discharge from human body water vapour, greatly reduces residual The moisture of polyurethane film layer surface, thus improve the wearability of coating fabric and wearing dry and comfortable, most importantly greatly Improve greatly the elasticity of PTFE film material, so that clothing clothes is also had under high sharp movement and extreme condition good Mechanical property.
2. the composite microporous thin film of high resiliency double-component of the present invention, for the particular combination with polytetrafluoroethylene film, optimizes The formula of pore type polyurethane film, thus improve elasticity and adaptability, have simultaneously high intensity, do not absorb water, wearability Energy；Secondly, the present invention is chosen so that binding agent and poly- four using the above-mentioned solvent of special adhesive formula and silane coupler There are between fluoroethylene film more preferable bond propertiess, improve heat resistance simultaneously, resist cold up to less than -150 DEG C, heat-resisting can Reach+150 DEG C,（ISO 2136 standard）Resistance to tortuous 9000 nothings are split.
Brief description
Accompanying drawing 1 is the composite microporous membrane structure schematic diagram of high resiliency double-component of the present invention.
In the figures above：1st, pore type polyurethane film；2nd, polytetrafluoroethylene film；3rd, adhesive layer；4th, hole.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：A kind of composite microporous thin film of high resiliency double-component, including pore type polyurethane film 1, polytetrafluoroethyl-ne Alkene thin film 2, is bonded by adhesive layer 3 between described pore type polyurethane film 1, polytetrafluoroethylene film 2, described polytetrafluoroethyl-ne The number of alkene thin film 2 hole 4 per square inch is 85 ~ 9,500,000,000, and the average diameter of hole 4 is 0.2um ~ 10um；
Described pore type polyurethane film 1 is scratched in silicon oil release paper and successively 80 ~ 150 by prefabricated polyurethane slurry The baking oven baking of degree thermograde, is cooled to room temperature after reaching 150 degree and be incubated again and obtains；
Described prefabricated polyurethane slurry is composed of the following components：
100 parts of polyurethane resin,
22 parts of dimethylformamide,
32 parts of toluene,
13 parts of butanone,
8.5 parts of microspheres,
1.8 parts of Isosorbide-5-Nitrae one butanediol；
1.5 parts of polyacrylamide；
0.35 part of acrylate,
0.25 part of organosiloxane emulsion.
Described adhesive layer 3 is composed of the following components：
100 parts of polyurethane resin,
12 parts of dimethylformamide,
Toluene（TOL）5 parts,
8 parts of ethyl acetate,
5 parts of microspheres,
0.3 part of crane span structure agent,
0.2 part of accelerator,
1.5 parts of silane coupler.
The volume of above-mentioned polytetrafluoroethylene film Hole accounts for the 80 ~ 82% of polytetrafluoroethylene film volume.
Mass ratio between above-mentioned polytetrafluoroethylene film 2 and pore type polyurethane film 1 is 1：6.5 ~ 7, thickness ratio is 1：0.3~0.6.
The baking oven baking of above-mentioned 80 ~ 150 degree of thermogrades specifically included with the next stage：
The described first stage：Under conditions of 80 DEG C, and carry out under the empty vapour atmosphere of low speeds flow；
Second stage：Under conditions of 90 DEG C, and carry out under the empty vapour atmosphere of middling speed flowing；
Phase III：Under conditions of 110 DEG C, and carry out under the empty vapour atmosphere of speed flowing by force；
Fourth stage：Under conditions of 140 DEG C, and carry out under the empty vapour atmosphere of low speeds flow.
Above-mentioned microspheres be akzonobel company microspheres, its have resilient shell be contained within iso-butane, third The low-boiling point materials such as alkane, pentane.
Embodiment 2：A kind of composite microporous thin film of high resiliency double-component, including pore type polyurethane film 1, polytetrafluoroethyl-ne Alkene thin film 2, is bonded by adhesive layer 3 between described pore type polyurethane film 1, polytetrafluoroethylene film 2, described polytetrafluoroethyl-ne The number of alkene thin film 2 hole 4 per square inch is 85 ~ 9,500,000,000, and the average diameter of hole 4 is 0.2um ~ 10um；
Described pore type polyurethane film 1 is scratched in silicon oil release paper and successively 80 ~ 150 by prefabricated polyurethane slurry The baking oven baking of degree thermograde, is cooled to room temperature after reaching 150 degree and be incubated again and obtains；
Described prefabricated polyurethane slurry is composed of the following components：
100 parts of polyurethane resin,
25 parts of dimethylformamide,
35 parts of toluene,
15 parts of butanone,
9 parts of microspheres,
2.2 parts of Isosorbide-5-Nitrae one butanediol；
1.8 parts of polyacrylamide；
0.4 part of acrylate,
0.3 part of organosiloxane emulsion.
Described adhesive layer 3 is composed of the following components：
100 parts of polyurethane resin,
15 parts of dimethylformamide,
6 parts of toluene,
9 parts of ethyl acetate,
4.5 parts of microspheres,
0.25 part of crane span structure agent,
0.25 part of accelerator,
1.8 parts of silane coupler.
The volume of above-mentioned polytetrafluoroethylene film Hole accounts for the 87 ~ 89% of polytetrafluoroethylene film volume.
Mass ratio between above-mentioned polytetrafluoroethylene film 2 and pore type polyurethane film 1 is 1：6.5 ~ 7, thickness ratio is 1：0.3~0.6.
Above-mentioned microspheres be akzonobel company microspheres, its have resilient shell be contained within iso-butane, third The low-boiling point materials such as alkane, pentane.
Specific targets numerical value of the present invention is as follows：
A. before hydrostatic pressing value is washed>12000mmH2O, after five washings>8000mmH2O（Washing methods ISO 6330, test Method ISO 811）,
B. vapor transfer rate：10000g/m2·24h（JIS 1099 A1）,
C. anti-flammability is passed through（GB8965.2-2009）Criterion is B level,
D. peel strength（GB11042-89）：4N,
E. resist cold up to less than -150 DEG C, heat-resisting up to+150 DEG C,（ISO 2136 standard）Resistance to tortuous 9000 nothings are split,
F. thin film extensibility 25%,
G. thin film response rate 96%,
H. wind-proof performance：Radix Saposhnikoviae completely（>10 grades）,
I. thermal impedance（GB/T 11048-2008 A method）：0.1097m²·K/W.
During using the composite microporous thin film of above-mentioned high resiliency double-component, can avoid due to pore type polytetrafluoroethylene film The materials such as the dust in the empty vapour of layer absorption, the salt in perspiration, oils and fatss cosmetics and detergent are it is achieved that keep for a long time Stable waterproof and perspire vapour performance；Secondly, combine and there is the hydrophilic layer of polyurethane refusing oil and polytetrafluoroethylene film layer, While improving external prevention rainwater performance, have and enhance the internal performance discharging human body antiperspirant vapour so that fabric has More preferably comfort property and broader practice scope；Again, because this double-component thin-film material has uniform hole in a large number, And there is the hydrophilic microvoid polyurethane resin bed refusing oily type, thus being more beneficial for the discharge from human body water vapour, significantly Reduce the moisture of residual polyurethane film layer surface, thus improve the wearability of coating fabric and wearing dry and comfortable, Importantly substantially increase the elasticity of PTFE film material, make clothing clothes under high sharp movement and extreme condition There is good mechanical property；Secondly, the present invention adopts the selection energy of the above-mentioned solvent of special adhesive formula and silane coupler Enough make, between binding agent and polytetrafluoroethylene film, there are more preferable bond propertiess, improve cold tolerance simultaneously, resist cold up to- Less than 150 DEG C, heat-resisting up to+150 DEG C,（ISO 2136 standard）Resistance to tortuous 9000 nothings are split.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.

Claims (2)

1. a kind of composite microporous thin film of high resiliency double-component it is characterised in that：Including pore type polyurethane film（1）, polytetrafluoro Vinyl film（2）, described pore type polyurethane film（1）, polytetrafluoroethylene film（2）Between pass through adhesive layer（3）Bonding, institute State polytetrafluoroethylene film（2）Hole per square inch（4）Number be 85 ~ 9,500,000,000, described hole（4）Average diameter be 0.2μm ~10μm；
Described pore type polyurethane film（1）Scratched by prefabricated polyurethane slurry and take the photograph in silicon oil release paper and successively 80 ~ 150 The baking oven baking of family name's degree thermograde, is cooled to room temperature after reaching 150 degrees Celsius and be incubated again and obtains；
Described prefabricated polyurethane slurry is composed of the following components：
100 parts of polyurethane resin,
20 ~ 25 parts of dimethylformamide,
32 ~ 35 parts of toluene,
12 ~ 15 parts of butanone,
8 ~ 9 parts of microspheres,
1.5 ~ 2.5 parts of Isosorbide-5-Nitrae one butanediol,
1.2 ~ 1.8 parts of polyacrylamide,
0.3 ~ 0.5 part of acrylate,
0.2 ~ 0.3 part of organosiloxane emulsion；
Described adhesive layer（3）Composed of the following components：
100 parts of polyurethane resin,
12 ~ 15 parts of dimethylformamide,
Toluene（TOL）4 ~ 6 parts,
7 ~ 9 parts of ethyl acetate,
4 ~ 6 parts of microspheres,
0.2 ~ 0.4 part of crane span structure agent,
0.15 ~ 0.25 part of accelerator,
1.2 ~ 2 parts of silane coupler.
2. the composite microporous thin film of high resiliency double-component according to claim 1 it is characterised in that：Described politef is thin The volume of film Hole accounts for the 80 ~ 90% of polytetrafluoroethylene film volume.
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CN201610478035.5A CN106113861B (en) 2015-02-25 2015-02-25 Breathable films for sportswear fabric
CN201610477974.8A CN106079633B (en) 2015-02-25 2015-02-25 The ventilative laminated film of weaving face fabric
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