CN104029449B - Big vapor transfer rate coated film - Google Patents
Big vapor transfer rate coated film Download PDFInfo
- Publication number
- CN104029449B CN104029449B CN201410245980.1A CN201410245980A CN104029449B CN 104029449 B CN104029449 B CN 104029449B CN 201410245980 A CN201410245980 A CN 201410245980A CN 104029449 B CN104029449 B CN 104029449B
- Authority
- CN
- China
- Prior art keywords
- coating
- core buffer
- kenaf core
- super fine
- chinese kenaf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of big vapor transfer rate coated film, including: base film layer and coating, described base film layer is eptfe membrane layer, and the coating being coated on described eptfe membrane layer is the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine；The coating agent of the described ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine includes that the raw material uniform stirring of following weight percentage is made: polyurethanes 20% 25%；Solvent dimethylformamide 55% 60%；Hydrophilic radical solvent 2% 5%；Chinese Kenaf Core Buffer super fine 18% 25%.By the way, the present invention has good moisture absorption performance, and the moisture-inhibiting factor content of cellulose containing Chinese Kenaf Core Buffer super fine is big, there is very low power and micropore, increases moisture absorption area and diffusion area；There are the performances such as the uvioresistant of excellence, waterproof and dustproof, grease proofing, moisture-inhibiting, anti-oxidant solution corrosion.
Description
Technical field
The present invention relates to a kind of big vapor transfer rate coated film.
Background technology
In prior art, the bend pipe air-vent of European Union's automobile lamp dissipates mist and goes condensation theoretical, inside there is sponge dust-proof, also in connecing lamp, air can go out greatly to enter greatly with the change of temperature in lamp, thus dissipate mist in realizing lamp faster and remove condensation, the car light that bend pipe is ventilative uses laying dust and electrical equipment corrosion in housing in the near future.
The scattered mist of Gore company of the U.S. goes condensation theoretical: car light is by the ventilative convection current with outside lamp in lamp, set up a kind of air pressure balance, in lamp, steam raises with the temperature in lamp and discharges outside lamp, and the ventilated membrane pasting method that on housing, usable floor area is bigger realizes dissipating mist and removes condensation.Thus reduce steam and the ambiguous phenomenon of scattering of light is occurred, when car light does not works, external ambient humidity air can enter in housing.
The scattered mist of Dong electrician company goes condensation theoretical: car light is to form cross-ventilation by the upper-lower position air-vent of light fixture, and in lamp, steam raises outside the air-vent discharge lamp from upper position with the temperature in lamp, and the air-vent of lower position is continuously replenished lamp outer air.Thus reduce steam and the ambiguous phenomenon of scattering of light is occurred, the ventilation plug quantity of this theory use is many, cannot solve the condensation problem of air themperature lower region in housing.
Summary of the invention
It is high that the technical problem that present invention mainly solves is to provide a kind of water imbibition, and poisture-penetrability is good, the big vapor transfer rate coated film that ventilating capability is strong.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of big vapor transfer rate coated film, it is characterized in that, including: base film layer and coating, described base film layer is eptfe membrane layer, and the coating being coated on described eptfe membrane layer is the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine；
The coating agent of the described ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine includes that the raw material uniform stirring of following weight percentage is made:
Polyurethanes 20%-25%；
Solvent dimethylformamide 55%-60%；
Hydrophilic radical solvent 2%-5%；
Chinese Kenaf Core Buffer super fine 18%-25%.
In a preferred embodiment of the present invention, the thickness of the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine is 0.012mm-0.025mm.
In a preferred embodiment of the present invention, the viscosity index (VI) of described coating agent is 33 Pa.s.
In a preferred embodiment of the present invention, in described coating agent, include the nonvolatile matter of 35%-45%.
In a preferred embodiment of the present invention, the manufacture craft of described Chinese Kenaf Core Buffer super fine includes: first Chinese Kenaf Core Buffer is processed as meal, and pre-process, carry out micronization processes and activation process the most successively, process is dried after completing, then is modified processing, and then carries out miniaturization process, finally carry out separating treatment, i.e. prepare Chinese Kenaf Core Buffer super fine.
In a preferred embodiment of the present invention, modification is to add methyl diphenylene diisocyanate and polymerization modification in pulverizing the Chinese Kenaf Core Buffer after drying.
In a preferred embodiment of the present invention, the preparation technology of this big vapor transfer rate coated film comprises the following steps:
A) coating agent is fed, and regulate rubberization thickness；
B) unreel eptfe membrane layer, and contact gluing with coating agent, form the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine on eptfe membrane layer surface；
C) the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine is carried out heating, drying；
D) maturation solidification, i.e. prepares big vapor transfer rate coated film.
In a preferred embodiment of the present invention, in step a), rubberization thickness is 0.012mm-0.025mm.
In a preferred embodiment of the present invention, in step c), the temperature of heating, drying is 80 DEG C-100 DEG C.
In a preferred embodiment of the present invention, in step d), maturation solidification is to deposit at least 24h in the environment of temperature is 20 DEG C-40 DEG C.
The invention has the beneficial effects as follows: the present invention big vapor transfer rate coated film has good moisture absorption performance, moisture-inhibiting factor content of cellulose containing Chinese Kenaf Core Buffer super fine is big, substantial amounts of hydroxyl is had to make them many with water molecules group, there is very low power and micropore simultaneously, increase moisture absorption area and diffusion area；There is the uvioresistant performance of excellence, fully meet automobile lamp and other small-sized sophisticated electronics (mobile phone, navigation terminal, microcomputer etc.) dependable performance to play, protect comprehensive requirement in waterproof and dustproof, grease proofing, moisture-inhibiting, anti-oxidant solution corrosion etc..
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the present invention big vapor transfer rate coated film one preferred embodiment；
In accompanying drawing, the mark of each parts is as follows: 1, eptfe membrane layer, and 2, the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of big vapor transfer rate coated film, including: base film layer and coating, described base film layer is eptfe membrane layer 1, and the coating being coated on described eptfe membrane layer 1 is the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine.
Embodiment 1:
The coating agent of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine includes that the raw material uniform stirring of following weight percentage is made:
Polyurethanes 20%；
Solvent dimethylformamide 55%；
Hydrophilic radical solvent 2%；
Chinese Kenaf Core Buffer super fine 18%.
Wherein, the thickness of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine is 0.012mm.
The viscosity index (VI) of coating agent is 33
Pa.s.The nonvolatile matter of 35% is included in coating agent.
Embodiment 2:
The coating agent of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine includes that the raw material uniform stirring of following weight percentage is made:
Polyurethanes 23%；
Solvent dimethylformamide 57%；
Hydrophilic radical solvent 4%；
Chinese Kenaf Core Buffer super fine 21%.
Wherein, the thickness of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine is 0.0185mm.
The viscosity index (VI) of coating agent is 33
Pa.s.The nonvolatile matter of 40% is included in coating agent.
Embodiment 3:
The coating agent of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine includes that the raw material uniform stirring of following weight percentage is made:
Polyurethanes 25%；
Solvent dimethylformamide 60%；
Hydrophilic radical solvent 5%；
Chinese Kenaf Core Buffer super fine 25%.
Wherein, the thickness of the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine is 0.025mm.
The viscosity index (VI) of coating agent is 33
Pa.s.The nonvolatile matter of 45% is included in coating agent.
In embodiment 1-3, the manufacture craft of Chinese Kenaf Core Buffer super fine includes: first Chinese Kenaf Core Buffer is processed as meal, and pre-process, carry out micronization processes and activation process the most successively, process is dried after completing, then is modified processing, and then carries out miniaturization process, finally carry out separating treatment, i.e. prepare Chinese Kenaf Core Buffer super fine.
Modification is to add a certain amount of methyl diphenylene diisocyanate and a small amount of polyalcohol realizes polymeric modification in pulverizing the Chinese Kenaf Core Buffer after drying.
The polyurethanes emulsion that the present invention uses, containing Chinese Kenaf Core Buffer super fine, polyurethane ester molecular structure contains the macromolecular compound of NHCOO unit, its cardinal principle is to introduce appropriate hydrophilic radical on polymer chain, and thermoplastic polymer forms emulsion under certain condition, containing substantial amounts of polar group in the big molecule of PU, molecular separating force is the strongest, causing it to have excellent film forming, it is possible to form tough and tensile and durable film on fabric, it also has certain poisture-penetrability.
Its reason is: the on the one hand polar group in PU or hydrophilic radical, such as OH, and NHCOO, COOH, " chemistry ladder stone " effect of Chinese Kenaf Core Buffer superfine powder etc., make water vapour molecule move to low humidity side along ladder from high humility side；Theoretically, hydrophilic radical is mainly had on macromolecular chain, as long as and hydrophilic radical content and arrangement are properly, then they just can be with hydrone effect, by hydrogen bond and other intermolecular force, after high humility side absorption moisture content, it is delivered to low humidity side by hydrophilic radical on macromolecular chain and desorbs.Therefore, the process of moisture-inhibiting substantially " absorption one diffusion-transfer-desorption ".Hydrophilic radical referred to as " chemistry ladder stone ", in the case of there is pressure differential, moisture content is directionally shifted to opposite side by side.This process i.e. moisture-inhibiting process.
Adding the Chinese Kenaf Core Buffer super fine of 18 ~ 25% in polyurethanes emulsion glaze, the Chinese Kenaf Core Buffer super fine of addition has substantial amounts of 0.5 ~ 0.2 μm micropore and crack, and containing more hydrophilic active group, forms copolymerization coating adhesive；Moisture-inhibiting factor content of cellulose containing Chinese Kenaf Core Buffer super fine is big, has substantial amounts of hydroxyl to make them many with water molecules group, there is very low power and micropore simultaneously, increase moisture absorption area and diffusion area.Compared with conventional PU coating, the water absorption rate of the copolymerization coating adhesive containing Chinese Kenaf Core Buffer super fine improves about 10%, water vapour permeability improves 1 ~ 5 times, drastically increase automobile lamp by the ventilating capability of interior, make inside car light, persistently to keep the lowest humidity to occur without fogging dew condensation phenomenon, thus eliminate the harmful effect of car light interior focusing photograph；Containing the copolymerization coating adhesive of Chinese Kenaf Core Buffer super fine, molecular rearrangement after graft copolymerization and become the firm Space Idea of intersection, surface is the finest and close, stable, uniform.Improve the performances such as the water pressure resistance intensity of the automobile lamp coated film of big vapor transfer rate, light aging resisting, heat ageing.
Wherein, the manufacturing process of eptfe membrane layer 1 includes；
1) polytetrafluoroethyldispersion dispersion resin is mixed with liquid extrusion aid (5:1) in proportion (can add coloring agent wherein, meet the multifarious demand of film color)；
2) 30 DEG C of-35 DEG C of maturations of insulation, give and are pressed into cylinder blank；
3) by rolling process, cylinder blank is laminated；
4) extrusion aid is sloughed for heated about 100 DEG C；
5) simple tension, draft temperature is at about 200 DEG C, then biaxial tension, and draft temperature is at about 200 DEG C；
6) thermal finalization, sinters 18min the temperature of about 340 DEG C；
7) last, cooling, rolling, prepare expanded PTFE microporous membrane.
The microporous film material of expanded PTFE (ePTFE) is called for short " ePTFE membrane ", and " ePTFE " is expanded PTFE English word (expanded
Polytetrafluorethylene) literary sketch；The microporous membrane of expanded PTFE (ePTFE) is a kind of macromolecule new material film with specific function high added value, make through biaxial tension through special process, the microfibre of this film constitutes the micropore in 0.1 the most penetrating μm aperture, μm ~ 18, is the ventilated membrane of real meaning.Film surface can reach tens micropores per square inch, each micro-pore diameter is less than the minimum of a value (20 μm-100 μm) of the mist globule, and much larger than water vapour molecule diameter (0.0003 μm-0.0004 μm), can make steam by and water droplet can not pass through greatly because of surface tension, utilize this microcellular structure to can reach outstanding Waterproof Breathable function；Additionally because of this hole extremely tiny and longitudinal substandard bend alignment, it is used in auto electric (car light) electronic equipment protection aspect, though the air in auto electric (car light) electronic equipment can be made to regulate pressure balance by this film convection current, reach free of contamination dirt close, but cannot stop or reduce the steam in environment when automobile is stopped and enter in housing, the performance of the too high performance that will have a strong impact on auto electric (car light) electronic equipment of wetness being trapped in housing.
Therefore, the present invention contains the ester emulsion copolymerized coating of polyurethane 2 of Chinese Kenaf Core Buffer super fine in the side surface roller coating at eptfe membrane layer 1, prepares big vapor transfer rate coated film.
The preparation technology of this big vapor transfer rate coated film comprises the following steps:
A) coating agent is fed, and to regulate rubberization thickness be 0.012mm-0.025mm；
B) unreel eptfe membrane layer 1, and contact gluing with coating agent, form the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine on eptfe membrane layer 1 surface；
C) the ester emulsion copolymerized coating of polyurethane 2 containing Chinese Kenaf Core Buffer super fine being carried out heating, drying, the temperature of heating, drying is 80 DEG C-100 DEG C, and effect is that solvent dimethylformamide is removed in volatilization and solvent recovery processes；
D) in the environment of temperature is 20 DEG C-40 DEG C, deposits at least 24h maturation solidification, i.e. prepares big vapor transfer rate coated film.
Wherein, coating contains hydrophilic radical and hydrone effect, by hydrogen bond and other intermolecular force, after high humility side absorption moisture content, is delivered to low humidity side by hydrophilic radical on macromolecular chain and desorbs.Therefore, moisture-inhibiting substantially one " adsorb " stream molecule hydrone at hydrophilic radical polyurethanes coating surface and in hydrophilic radical polyurethanes coating, " spread " hydrone " desorption " hydrone on the combination interface face of hydrophilic radical polyurethanes coating and eptfe membrane laterally enter the micropore external environment discharge moisture that eptfe membrane gathers " process.Hydrophilic radical referred to as " chemistry ladder stone ", in the case of there is pressure differential, moisture content is directionally shifted to opposite side by side.This process i.e. moisture-inhibiting process.
Through lot of experiments, find the vapor transfer rate that the vapor transfer rate that steam is discharged is discharged from the lateral coated side of eptfe membrane more than steam from coating lateral eptfe membrane side, the difference in two moisture-inhibiting directions causes the difference of vapor transfer rate, from the amount of the outside moisture-inhibiting of coated side than vapor transfer rate about 30 ~ 50% in the lateral housing of eptfe membrane, utilize the greatest differences of the vapor transfer rate of this both direction, this coated film is applied on the housing of automobile lamp, the coated side of this coated film is in the housing of automobile lamp, the eptfe membrane of this coated film is towards outside atmosphere；So steam in the housing of automobile lamp is discharged endlessly, show by the unidirectional characteristic persistently discharging water vapour of external environment in housing, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is the most active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is the fastest, humidity in the housing of automobile lamp is substantially reduced thus does not possess the condition of condensation, in making housing, air is dried, on minute surface in the housing of automobile lamp or smooth electronical elements surface would not have fog phenomenon to produce, the performance making automobile lamp is brought into play.
The present invention has good moisture absorption performance, and the moisture-inhibiting factor content of cellulose containing Chinese Kenaf Core Buffer super fine is big, has substantial amounts of hydroxyl to make them many with water molecules group, there is very low power and micropore simultaneously, increase moisture absorption area and diffusion area.The interior generation without fogging dew condensation phenomenon of housing of automobile lamp is may insure that so that electric property is not affected by moist air environment, has thoroughly overturned American-European-Japanese conventional method to the control and regulation of housing humidity after the application present invention.
Lot of experiments finds the vapor transfer rate that the vapor transfer rate that steam is discharged is discharged from the lateral coated side of eptfe membrane more than steam from coating lateral eptfe membrane side, the difference in two moisture-inhibiting directions causes the difference of vapor transfer rate, from the amount of the outside moisture-inhibiting of coated side than vapor transfer rate big about 30 ~ 50% in the lateral housing of eptfe membrane, utilize the greatest differences of the vapor transfer rate of this both direction, this coated film is applied on the housing of automobile lamp, the coated side of this coated film is in the housing of automobile lamp, the eptfe membrane of this coated film is towards outside atmosphere；So steam in the housing of automobile lamp is discharged endlessly, show by the unidirectional characteristic persistently discharging water vapour of external environment in housing, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is the most active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is the fastest, humidity in the housing of automobile lamp is substantially reduced thus does not possess the condition of condensation, in making housing, air is dried, on minute surface in the housing of automobile lamp or smooth electronical elements surface would not have fog phenomenon to produce, the performance making automobile lamp is brought into play.
The present invention shows by the unidirectional characteristic persistently discharging water vapour of external environment in housing so that in housing, air is dried, and before revolutionizing, the steam in the housing of automobile lamp relies on cross-ventilated principle to dissipate mist and goes the pattern of dew.
The existing good absorption property of the present invention, can stop again the infiltration of rainwater dust so that reach free of contamination dirt level of confidentiality in the housing of automobile lamp；The coated side of this coated film is in the housing of automobile lamp, and the eptfe membrane of this coated film is towards outside atmosphere；The discharge that so steam in the housing of automobile lamp is able to continuously again, show by the unidirectional characteristic persistently discharging water vapour of external environment in housing, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is the most active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is the fastest, humidity in the housing of automobile lamp is substantially reduced thus does not possess the condition of condensation, in making housing, air is dried, on minute surface in the housing of automobile lamp or smooth electronical elements surface would not have fog phenomenon to produce, the performance making automobile lamp is brought into play；Chinese Kenaf Core Buffer super fine can adsorb car light plastic housing because by thermogenetic volatile matter, beneficially car light minute surface keeps light reflecting properties simultaneously.
The present invention also has the uvioresistant performance having excellence, this invention solves the defect problem in background technology, the performance of this material has fully met automobile lamp and other small-sized sophisticated electronics (mobile phone, navigation terminal, microcomputer etc.) dependable performance and has played, and protects comprehensive requirement in waterproof and dustproof, grease proofing, moisture-inhibiting, anti-oxidant solution corrosion etc..
Can also further develop the end product that engineering uses, such as the terminal high value-added product such as " the automobile lamp coated film paster of big vapor transfer rate ", " the automobile lamp coated film bolt (cap) of big vapor transfer rate ", it is more convenient that the industrialization of standardized end product manufactures use.
Further reduce automobile lamp and eliminating the steam design and manufacture cost to its performance impact so that shell moulding simplicity.
Also there is airtight body (allow water vapour molecule discharge) and the high characteristic of resistance to seepage pressure, the water pressure resistance of this coated film has reached more than 10000mm height water column (relative pressure 100KPa pressure), this coated film can keep out during dell ponding soaks or travels the impact impacting water so that keeps in housing being dried without soaking.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. automobile lamp housing is by big vapor transfer rate coated film, it is characterised in that including: base film layer and coating, described Ranvier's membrane
Layer is eptfe membrane layer, and the coating being coated on described eptfe membrane layer is for ultra-fine containing Chinese Kenaf Core Buffer
The ester emulsion copolymerized coating of polyurethane of micro mist；
The coating agent of the described ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine includes following weight hundred
The raw material uniform stirring of proportion by subtraction is made:
Polyurethanes 20%-25%；
Solvent dimethylformamide 55%-60%；
Hydrophilic radical solvent 2%-5%；
Chinese Kenaf Core Buffer super fine 18%-25%；
The thickness of the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine is 0.012mm-0.025mm, its
In, Chinese Kenaf Core Buffer super fine has 0.5 ~ 0.2 μm micropore and crack, and containing hydrophilic active group；
The preparation technology of this big vapor transfer rate coated film comprises the following steps:
A) coating agent is fed, and regulate rubberization thickness；Rubberization thickness is 0.012mm-0.025mm；
B) unreel eptfe membrane layer, and contact gluing with coating agent, formed on eptfe membrane layer surface
The ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine；
C) the ester emulsion copolymerized coating of polyurethane containing Chinese Kenaf Core Buffer super fine is carried out heating, drying；Heating, drying
Temperature is 80 DEG C-100 DEG C；
D) maturation solidification, maturation solidification is to deposit at least 24h in the environment of temperature is 20 DEG C-40 DEG C；I.e. prepare big vapor transfer rate
Coated film.
Automobile lamp housing the most according to claim 1 is by big vapor transfer rate coated film, it is characterised in that described coating agent
Viscosity index (VI) is 33 Pa.s.
Automobile lamp housing the most according to claim 1 is by big vapor transfer rate coated film, it is characterised in that described Chinese Kenaf Core Buffer
The manufacture craft of super fine includes: first Chinese Kenaf Core Buffer is processed as meal, and pre-processes, then carries out successively at refinement
Reason and activation process, dry after having processed, then is modified process, then carries out miniaturization process, finally carries out point
From process, i.e. prepare Chinese Kenaf Core Buffer super fine.
Automobile lamp housing the most according to claim 3 is by big vapor transfer rate coated film, it is characterised in that modification be
Add methyl diphenylene diisocyanate in pulverizing the Chinese Kenaf Core Buffer after drying and polymerization is modified.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245980.1A CN104029449B (en) | 2014-06-05 | 2014-06-05 | Big vapor transfer rate coated film |
| PCT/CN2014/081385 WO2015184665A1 (en) | 2014-06-05 | 2014-07-01 | Coating film having high water vapor transmission rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245980.1A CN104029449B (en) | 2014-06-05 | 2014-06-05 | Big vapor transfer rate coated film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104029449A CN104029449A (en) | 2014-09-10 |
| CN104029449B true CN104029449B (en) | 2016-08-24 |
Family
ID=51460549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410245980.1A Active CN104029449B (en) | 2014-06-05 | 2014-06-05 | Big vapor transfer rate coated film |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104029449B (en) |
| WO (1) | WO2015184665A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862728B (en) * | 2014-03-20 | 2016-08-17 | 江苏泛亚微透科技股份有限公司 | Auto electric electronic equipment coated film and the manufacture method thereof continuing unidirectional moisture-inhibiting |
| CN104762818A (en) * | 2015-04-02 | 2015-07-08 | 杭州和顺纺织品有限公司 | One-side-coated anti-flame moisture-permeable waterproof cloth and preparation process thereof |
| CN105419510B (en) * | 2015-12-21 | 2018-04-03 | 潍坊市宏源防水材料有限公司 | A kind of Waterproof Breathable coating |
| CN106671541B (en) * | 2017-02-20 | 2018-09-28 | 江苏泛亚微透科技股份有限公司 | High water pressure resistance entrant sound membrane module and its manufacturing method |
| CN106670078B (en) * | 2017-02-20 | 2023-06-09 | 江苏泛亚微透科技股份有限公司 | High-water-pressure-resistant sound-permeable expanded polytetrafluoroethylene coating film and manufacturing method thereof |
| CN111864153B (en) * | 2019-04-26 | 2021-12-21 | 江苏泛亚微透科技股份有限公司 | Non-breathable explosion-proof membrane, preparation method and power battery explosion-proof valve |
| CN115538185B (en) * | 2022-09-20 | 2023-11-07 | 深圳陆城装饰设计工程有限公司 | High-performance waterproof and breathable coating structure for building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997049552A1 (en) * | 1996-06-25 | 1997-12-31 | W.L. Gore & Associates Gmbh | Flexible water and oil resistant composites |
| CN101104752A (en) * | 2007-09-10 | 2008-01-16 | 中国人民解放军总后勤部军需装备研究所 | Water-proof moisture-permeation coating agent composition and application thereof |
| CN101135115A (en) * | 2007-08-29 | 2008-03-05 | 中国人民解放军总后勤部军需装备研究所 | Method for preparing polytetrafluoroethylene waterproof moisture permeating fabric |
| CN101481579A (en) * | 2008-12-23 | 2009-07-15 | 中国人民解放军总后勤部军需装备研究所 | Waterproof moisture permeable modified polyurethane coating glue and preparation thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6709493B2 (en) * | 2001-03-26 | 2004-03-23 | Gore Enterprise Holdings, Inc. | Device for reducing the presence of moisture within an enclosure containing a heat source |
| US20080020195A1 (en) * | 2006-07-20 | 2008-01-24 | Kuo-Chin Chen | Treated porous polytetrafluoroethylene membrane and composites thereof, an anti-staining and anti-peeling agent and a processing method for the membrane |
| US8334227B2 (en) * | 2009-04-02 | 2012-12-18 | Bha Group, Inc. | Breathable, chemical resistant, durable, and waterproof coated porous membrane |
| JP5797184B2 (en) * | 2012-09-13 | 2015-10-21 | テックワン株式会社 | Waterproof and moisture-permeable composite membrane and waterproof and moisture-permeable fabric having waterproof and moisture-permeable composite membrane |
| CN104029450B (en) * | 2014-06-05 | 2016-02-10 | 江苏泛亚微透科技股份有限公司 | The large vapor transfer rate coated film paster of automobile lamp |
| CN203893134U (en) * | 2014-06-05 | 2014-10-22 | 常州市泛亚微透科技有限公司 | Moisture-permeable stopper for automobile lamp |
| CN104033868B (en) * | 2014-06-05 | 2017-05-17 | 江苏泛亚微透科技股份有限公司 | Moisture-permeable bolt for automobile lamp |
| CN203888319U (en) * | 2014-06-05 | 2014-10-22 | 常州市泛亚微透科技有限公司 | High-water vapor transmission rate coating film chip for automobile lamp |
-
2014
- 2014-06-05 CN CN201410245980.1A patent/CN104029449B/en active Active
- 2014-07-01 WO PCT/CN2014/081385 patent/WO2015184665A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997049552A1 (en) * | 1996-06-25 | 1997-12-31 | W.L. Gore & Associates Gmbh | Flexible water and oil resistant composites |
| CN101135115A (en) * | 2007-08-29 | 2008-03-05 | 中国人民解放军总后勤部军需装备研究所 | Method for preparing polytetrafluoroethylene waterproof moisture permeating fabric |
| CN101104752A (en) * | 2007-09-10 | 2008-01-16 | 中国人民解放军总后勤部军需装备研究所 | Water-proof moisture-permeation coating agent composition and application thereof |
| CN101481579A (en) * | 2008-12-23 | 2009-07-15 | 中国人民解放军总后勤部军需装备研究所 | Waterproof moisture permeable modified polyurethane coating glue and preparation thereof |
Non-Patent Citations (1)
| Title |
|---|
| 膨体聚四氟乙烯微孔薄膜的透湿性研究;郝新敏等;《高分子材料科学与工程》;20080229;第24卷(第2期);55-58 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015184665A1 (en) | 2015-12-10 |
| CN104029449A (en) | 2014-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104029449B (en) | Big vapor transfer rate coated film | |
| CN104033868B (en) | Moisture-permeable bolt for automobile lamp | |
| CN103862766B (en) | Auto electric electronic equipment coated film paster and manufacture method thereof | |
| CN103862728A (en) | Continuous one-way moisture permeable coating film of automobile electric electronic equipment and manufacturing method of continuous one-way moisture permeable coating film | |
| CN203888319U (en) | High-water vapor transmission rate coating film chip for automobile lamp | |
| CN104029450B (en) | The large vapor transfer rate coated film paster of automobile lamp | |
| WO2005047746A3 (en) | Composition for thermal insulating layer | |
| CN105623503A (en) | Silicone rubber hydrophobic coating used for insulator and preparation method thereof | |
| CN103044917B (en) | A kind of aromatic polysulfonamide Quito pore membrane and its preparation method and application | |
| DE102011011688A1 (en) | Coating heat exchanger structure, comprises producing aqueous dispersion of porous sorbent and binding agent, where dispersion is formed on heat exchanger structure or is applied on it, and carrying out film-forming or crosslinking | |
| WO2004038783A3 (en) | Pecvd of organosilicate thin films | |
| EP3693424A1 (en) | Coating liquid, production method for coating film, and coating film | |
| DE112015001719T5 (en) | Hydrophobic article | |
| CN203893134U (en) | Moisture-permeable stopper for automobile lamp | |
| CN103980831B (en) | The protection of welded type car light hydrophobic oleophobic microporous membrane paster and manufacture method thereof | |
| CN101921536B (en) | Waterborne polyurethane film and preparation technology thereof | |
| CN203888320U (en) | Coating film with large water vapor transmission rate | |
| CN104029642B (en) | Moisture-inhibiting parts and manufacture method thereof for auto electric electronic equipment | |
| CN103071398A (en) | Porous polymer membrane with perforated structure and preparation method and application thereof | |
| Manjang et al. | Effect of water diffusion on dielectric behavior of polymer insulators | |
| KR101849746B1 (en) | Binder composition, slurry composition and a coating method of metal surfaces with super absorbent polymer | |
| JP5444156B2 (en) | Water vapor permeation preventive porous membrane, ventilation structure and case | |
| CN203805394U (en) | Coating film with continuous one-way moisture permeability for automobile electrical and electronic device | |
| CN203805435U (en) | Coating film paster for automobile electrical and electronic device | |
| KR20200129692A (en) | Separator for secondary battery comprising dispersing agent and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000, No. 28-8, Sakamoto Road, Sakamoto village, Lijia Town, Wujin District, Jiangsu, Changzhou Applicant after: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. Address before: 213000, No. 28-8, Sakamoto Road, Sakamoto village, Lijia Town, Wujin District, Jiangsu, Changzhou Applicant before: Pan Asian Mirovent Tech (Changzhou) Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 213000 No.8 Qiancao Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. Address before: 213000, No. 28-8, Sakamoto Road, Sakamoto village, Lijia Town, Wujin District, Jiangsu, Changzhou Patentee before: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. |