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CN106079799B - Hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film - Google Patents

Hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film Download PDF

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Publication number
CN106079799B
CN106079799B CN201610480395.9A CN201610480395A CN106079799B CN 106079799 B CN106079799 B CN 106079799B CN 201610480395 A CN201610480395 A CN 201610480395A CN 106079799 B CN106079799 B CN 106079799B
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film
polytetrafluoroethylene
parts
inhibiting
polyurethane
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CN106079799A (en
Inventor
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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    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • 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
    • 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
    • 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
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • 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
    • B32B27/30—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
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • B32B2327/18—PTFE, i.e. polytetrafluoroethylene
    • 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
    • B32B2437/00—Clothing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/24—Homopolymers or copolymers of amides or imides
    • C08J2433/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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Abstract

The present invention discloses a kind of hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, including pore type polyurethane film, polytetrafluoroethylene film, bonded between the pore type polyurethane film, polytetrafluoroethylene film by adhesive layer, the polytetrafluoroethylene film per square inch hole number be 85 ~ 9,500,000,000；Pore type polyurethane film is scratched by prefabricated polyurethane slurry and toasted in silicon oil release paper and successively in the baking oven of 80 ~ 150 degree of thermogrades, and being cooled to normal temperature again after reaching 150 degree and being incubated obtains；The volume of polytetrafluoroethylene film Hole accounts for the 80 ~ 90% of polytetrafluoroethylene film volume, and the mass ratio between polytetrafluoroethylene film and the pore type polyurethane film is 1：6.5 ~ 7, thickness ratio 1：0.3~0.6.Present invention reduces the moisture of residual polyurethane film layer surface, so as to improve the wearability of coating fabric and wear dry and comfortable.

Description

Hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film
Technical field
The present invention relates to a kind of hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, belong to technical field of textile fabric.
Background technology
Greatest problem is exactly existing for Waterproof ＆ Moisture Permeable Film：Hydrophilic radical adsorbed water molecule, make fabric become it is very thick and heavy, Clammy, human body dress has discomfort.Also a kind of micro- porous membrane for being namely based on nanometer technology principle, wherein mainly with Based on the micro- porous membrane of polyurethane and polytetrafluoroethylene film, both films have a different advantage and disadvantage, and polyurethane is micro- porous Film has its excellent spring of preferable waterproofing and moisture-penetration performances, and different fitting works is can adapt to during the fitting with fabric Skill, the bad situation of fabric corrugation, elasticity is prevented, while in the motion process of high intensity out of doors, the fabric of joint part Different degrees of stretching can occur, then this thin-film material imparts the elasticity and adaptability that clothes are become reconciled, and also prevent The situation such as film splitting in violent motion process, makes no matter it can have excellent water proofing property in which type of environment Energy.And polytetrafluoroethylene film, due to its special microcellular structure（In netted）Make it have pore type polyurethane film institute not Wind and water preventing, the water vapour permeability that can have, better than traditional microporous polyurethane film, but its shortcoming is also obvious, this material Expect that its elasticity is substantially zeroed.
The content of the invention
It is an object of the present invention to provide a kind of hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, the hydrophobic type moisture-inhibiting polytetrafluoroethylene (PTFE) Composite membrane improves elasticity and adaptability, also avoids adsorbing dust, the sweat in empty vapour due to pore type polytetrafluoroethylene film layer The materials such as salt, grease cosmetics and detergent in liquid, realize the waterproof for keeping stable for a long time and perspire vapour Can, while there is high intensity, do not absorb water, anti-wear performance.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, Including pore type polyurethane film, polytetrafluoroethylene film, lead between the pore type polyurethane film, polytetrafluoroethylene film Cross adhesive layer bonding, the polytetrafluoroethylene film per square inch hole number be 85 ~ 9,500,000,000, the average diameter of hole For 0.2um ~ 10um；
The pore type polyurethane film is scratched in silicon oil release paper and successively 80 ~ 150 by prefabricated polyurethane slurry The baking oven baking of thermograde is spent, being cooled to normal temperature again after reaching 150 degree and being incubated obtains；
The prefabricated polyurethane slurry is composed of the following components：100 parts of polyurethane resin, 25 parts of dimethylformamide, first 35 parts of benzene, 15 parts of butanone, 9 parts of microspheres, 2.2 parts of one butanediol of Isosorbide-5-Nitrae, 1.8 parts of polyacrylamide, 0.4 part of acrylate, 0.3 part of organosiloxane emulsion.
Further improved technical scheme is as follows in above-mentioned technical proposal：
Preferably, the volume of the polytetrafluoroethylene film Hole accounts for the 87 ~ 89% of polytetrafluoroethylene film volume.
Preferably, the mass ratio between the polytetrafluoroethylene film and pore type polyurethane film is 1：6.5 ~ 7, it is thick Degree is than being 1：0.3~0.6.
Preferably, the baking oven baking of 80 ~ 150 degree of thermogrades was specifically included with the next stage：
The first stage：Under conditions of 80 DEG C, and carried out under the empty vapour atmosphere of low speeds flow；
Second stage：Under conditions of 90 DEG C, and carried out under the empty vapour atmosphere of middling speed flowing；
Phase III：Under conditions of 110 DEG C, and carried out under the empty vapour atmosphere of strong speed flowing；
Fourth stage：Under conditions of 140 DEG C, and carried out under the empty vapour atmosphere of low speeds flow.
Preferably, the microspheres are akzonobel companies microspheres, contain in its flexible shell The low-boiling point materials such as iso-butane, propane, pentane.
Because above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
1. hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film of the present invention, it can avoid because pore type polytetrafluoroethylene (PTFE) is thin Film layer adsorbs the materials such as dust, the salt in sweat, grease cosmetics and the detergent in empty vapour, realizes and protects for a long time The fixed waterproof that keeps steady and perspire vapour performance；Secondly, combine with the hydrophilic layer of polyurethane and polytetrafluoroethylene film layer for refusing oil, While external prevention rainwater performance is improved, there is the performance for enhancing internally discharge human body sweat vapour so that fabric has There are more preferably comfort property and broader practice scope；Again, because this two-component thin-film material has a large amount of uniform holes Hole, and the microvoid polyurethane resin bed with the hydrophilic type for refusing oil, so as to be more beneficial for the discharge from human body water vapour, greatly The big moisture for reducing residual polyurethane film layer surface, so as to improve the wearability of coating fabric and dress is dry and comfortable, The elasticity of PTFE film material is most importantly substantially increased, makes clothes clothes under high sharp movement and extreme condition Also there is good mechanical property.
2. hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film of the present invention, excellent for the particular combination with polytetrafluoroethylene film The formula of pore type polyurethane film is changed, so as to improve elasticity and adaptability, while there is high intensity, do not absorb water, be wear-resisting Performance.
Brief description of the drawings
Accompanying drawing 1 is hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film structural representation of the present invention.
In the figures above：1st, pore type polyurethane film；2nd, polytetrafluoroethylene film；3rd, adhesive layer；4th, hole.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, including pore type polyurethane film 1, polytetrafluoroethyl-ne Alkene film 2, bonded between the pore type polyurethane film 1, polytetrafluoroethylene film 2 by adhesive layer 3, the polytetrafluoroethyl-ne Alkene film 2 per square inch hole 4 number be 85 ~ 9,500,000,000, the average diameter of hole 4 is 0.2um ~ 10um；
The 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 thermograde is spent, being cooled to normal temperature again after reaching 150 degree and being incubated obtains；
The 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 one butanediol of Isosorbide-5-Nitrae；
1.8 parts of polyacrylamide；
0.4 part of acrylate,
0.3 part of organosiloxane emulsion.
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 are akzonobel companies microspheres, contain iso-butane, third in its flexible shell 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 passes through（GB8965.2-2009）Criterion is B levels,
D. peel strength（GB11042-89）：4N,
E. resist cold reachable less than -150 DEG C, heat-resisting reachable+150 DEG C,（The standards of ISO 2136）Resistance to tortuous 9000 nothings are split,
F films extensibility 25%,
G films response rate 96%,
H. wind-proof performance：It is completely windproof（>10 grades）,
I. thermal impedance（GB/T 11048-2008 A methods）：0.1097m²·K/W.
During using above-mentioned hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, it can avoid because pore type polytetrafluoroethylene (PTFE) is thin Film layer adsorbs the materials such as dust, the salt in sweat, grease cosmetics and the detergent in empty vapour, realizes and protects for a long time The fixed waterproof that keeps steady and perspire vapour performance；Secondly, combine with the hydrophilic layer of polyurethane and polytetrafluoroethylene film layer for refusing oil, While external prevention rainwater performance is improved, there is the performance for enhancing internally discharge human body sweat vapour so that fabric has There are more preferably comfort property and broader practice scope；Again, because this two-component thin-film material has a large amount of uniform holes Hole, and the microvoid polyurethane resin bed with the hydrophilic type for refusing oil, so as to be more beneficial for the discharge from human body water vapour, greatly The big moisture for reducing residual polyurethane film layer surface, so as to improve the wearability of coating fabric and dress is dry and comfortable, The elasticity of PTFE film material is most importantly substantially increased, makes clothes clothes under high sharp movement and extreme condition Also there is good mechanical property；Secondly, it optimizes micropore type polyurethane for the particular combination with polytetrafluoroethylene film The formula of film, so as to improve elasticity and adaptability, while there is high intensity, do not absorb water, anti-wear performance.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.

Claims (3)

  1. A kind of 1. hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film, it is characterised in that：Including pore type polyurethane film（1）, poly- four Fluoroethylene film（2）, the pore type polyurethane film（1）, polytetrafluoroethylene film（2）Between pass through adhesive layer（3）Bonding, The polytetrafluoroethylene film（2）Hole per square inch（4）Number be 85 ~ 9,500,000,000, described hole（4）Average diameter For 0.2 μm ~ 10 μm；
    The pore type polyurethane film（1）Scratched by prefabricated polyurethane slurry in silicon oil release paper and successively at 80 ~ 150 degree The baking oven baking of thermograde, is cooled to normal temperature acquisition again after reaching 150 degree and being incubated；
    The prefabricated polyurethane slurry is composed of the following components：100 parts of polyurethane resin, 25 parts of dimethylformamide, toluene 35 It is part, 15 parts of butanone, 9 parts of microspheres, 2.2 parts of one butanediol of Isosorbide-5-Nitrae, 1.8 parts of polyacrylamide, 0.4 part of acrylate, organic 0.3 part of silicone emulsion.
  2. 2. hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film according to claim 1, it is characterised in that：The polytetrafluoroethylene (PTFE) The volume of film Hole accounts for the 87 ~ 89% of polytetrafluoroethylene film volume.
  3. 3. hydrophobic type moisture-inhibiting polytetrafluoroethylcomposite composite film according to claim 1, it is characterised in that：The microspheres For akzonobel companies microspheres, its flexible shell is interior to contain iso-butane, propane, pentane low-boiling point material.
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