CN103862766A - Coating film paster for automobile electric electronic equipment and manufacturing method of paster - Google Patents
Coating film paster for automobile electric electronic equipment and manufacturing method of paster Download PDFInfo
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- CN103862766A CN103862766A CN201410103161.3A CN201410103161A CN103862766A CN 103862766 A CN103862766 A CN 103862766A CN 201410103161 A CN201410103161 A CN 201410103161A CN 103862766 A CN103862766 A CN 103862766A
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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
- 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
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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
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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
- B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
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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
- B32B27/32—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
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/042—Punching
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
- B32B2038/168—Removing solvent
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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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0257—Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/516—Oriented mono-axially
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
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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
- B32B2457/00—Electrical equipment
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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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
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- Paints Or Removers (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a coating film paster for automobile electric electronic equipment and a manufacturing method of the coating film paster. The coating film paster comprises a carrier band film and a coating film, wherein the coating film comprises an expanded Teflon micropore film and a coating which is coated on the surface of the expanded Teflon micropore film and contains a hydrophilic group. The manufacturing method disclosed by the invention comprises the following steps of manufacturing the expanded Teflon micropore film, preparing a coating agent containing the hydrophilic group, manufacturing a coating layer, manufacturing the coating film paster, enabling the carrier band film and a coating surface containing the hydrophilic group of the coating film to connect in a compounding manner, cutting a half-cutting mould to the surface of a carrier band, checking, rolling and packing the half-cutting mould. The coating film paster and the manufacturing method disclosed by the invention have the advantages that a fog-forming condensation and dirt retention phenomenon in a shell of the automobile electric electronic equipment is fundamentally solved; the coating film paster is suitable for welding connection of the automobile electric electronic equipment of project application or can be directly spliced and assembled with a permeability window of the automobile electric electronic equipment, and is convenient to use in the standardized terminal product industrialization manufacture.
Description
Technical field
The present invention relates to coated film paster field, particularly relate to a kind of auto electric electronic equipment coated film paster and manufacture method thereof.
Background technology
The loose mist of bend pipe air-vent of European Union's automobile lamp goes condensation theory, inside there is sponge dustproof, also connect air in lamp and can go out greatly greatly with the variation of temperature in lamp, remove condensation thereby realize faster loose mist in lamp, the car light that bend pipe is ventilative uses the interior laying dust of housing and electrical equipment corrosion in the near future.
The loose mist of Gore company of the U.S. goes condensation theory: car light be by lamp with lamp ventilative convection current outward, set up a kind of air pressure balance, in lamp, steam raises and discharges outside lamp with the temperature in lamp, and the ventilated membrane pasting method that on housing, usable floor area is larger is realized loose mist and removed condensation.Thereby reduce steam, the ambiguous phenomenon of lamp scattering of light is occurred, when car light is not worked, external environment condition humid air can enter in housing.The ventilated membrane paster quantity that this theory is used is many, cannot solve the condensation problem of air themperature lower region in housing.
The loose mist of eastern electrician nito of day company goes condensation theory: car light is to form cross-ventilation by the upper-lower position air-vent of light fixture, in lamp, steam raises and discharges outside lamp from the air-vent of upper position with the temperature in lamp, and the air-vent of upper/lower positions constantly supplements lamp outer air.Thereby reduce steam, the ambiguous phenomenon of lamp scattering of light is occurred, the ventilation plug quantity that this theory is used is many, cannot solve the condensation problem of air themperature lower region in housing.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of auto electric electronic equipment coated film paster and manufacture method thereof, can fundamentally solve the defect of auto electric electronic equipment protection aspect, the state that auto electric casting of electronic device inner air is kept dry, thereby thoroughly solve auto electric electronic equipment performance and be not subject to steam in atmospheric environment and the impact of dust, solve the phenomenon of knot mist condensation and laying dust in auto electric casting of electronic device.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of auto electric electronic equipment coated film paster is provided, comprise: carrier band film and coated film, described coated film comprises expanded PTFE microporous membrane and is coated in the lip-deep coating that contains hydrophilic radical of expanded PTFE microporous membrane, the coat side composite joint that contains hydrophilic radical of described carrier band films and coatings film.
In a preferred embodiment of the present invention, the low viscosity of the coat side that contains hydrophilic radical of described carrier band films and coatings film connects.
In a preferred embodiment of the present invention, the coat side that contains hydrophilic radical of described carrier band films and coatings film connects by Performance of Pressure Sensitive Adhesive, forms the coated film paster of the bonding connection of engineering application.
In a preferred embodiment of the present invention, described carrier band film is PE carrier band film, and the thickness of the described coating that contains hydrophilic radical is 0.05 ~ 0.1mm.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the manufacture method of a kind of auto electric electronic equipment coated film paster is provided, comprises the following steps:
(1) manufacture of expanded PTFE microporous membrane: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, and insulation maturation, gives and be pressed into cylinder blank, and cylinder blank is laminated, slough extrusion aid, simple tension, biaxial tension through heating, thermal finalization, cooling, rolling;
(2) preparation of the coating agent that contains hydrophilic radical: by polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mixture stirring and emulsifying of micro mist is even, is formed with the coating agent of hydrophilic radical;
(3) manufacture of coated film: prepare before being coated with, the coating agent that contains hydrophilic radical adds coating roller, coating layer thickness regulates, expanded PTFE microporous membrane unreels, and contacts gluing with cylinder, next procedure cylinder heating, drying coated film, rolling, deposits maturation and solidifies, packing;
(4) manufacture of coated film paster: the preparation of carrier band films and coatings film, the coat side composite joint that contains hydrophilic radical of carrier band films and coatings film, hemisection cross cutting is to carrier band surface, coated film paster finished product and unwanted coated film are separated, check, rolling, packing.
In a preferred embodiment of the present invention, the manufacture of described expanded PTFE microporous membrane: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, 30 ℃ ~ 35 ℃ insulation maturations, give and be pressed into cylinder blank, by rolling process, cylinder blank is laminated, slough extrusion aid through 90 ~ 110 ℃ of heating, 190 ~ 210 ℃ of simple tensions, 190 ~ 210 ℃ of biaxial tensiones, in 330 ~ 350 ℃ of sintering 15 ~ 20min thermal finalization, cooling, rolling.
In a preferred embodiment of the present invention, described polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mass ratio of micro mist is 5:12:1:1.
In a preferred embodiment of the present invention, the manufacture of described coated film: prepare before being coated with, the coating agent that contains hydrophilic radical is reinforced at point type coating roller, coating layer thickness is adjusted to 0.05 ~ 0.1mm, expanded PTFE microporous membrane unreels, portable cord speed is 8 ~ 10m/min, contact gluing with point type cylinder, next procedure cylinder volatilizees simultaneously and removes solvent dimethylformamide and solvent recovery processing 80 ℃ ~ 100 ℃ heating, drying coated film, rolling, deposit 24h maturation at 25 ~ 35 ℃ and solidify, packing.
In a preferred embodiment of the present invention, viscosity index (VI) 28 ~ 33 Pa.s of the described coating agent that contains hydrophilic radical.
In a preferred embodiment of the present invention, described liquid extrusion aid is aviation kerosine, and the mass ratio of described polytetrafluoroethyldispersion dispersion resin and liquid extrusion aid is 4 ~ 6:1.
The invention has the beneficial effects as follows: the present invention can guarantee the interior generation without knot mist condensation phenomenon of the housing of auto electric electronic equipment, make electric property not be subject to the impact of moist air environment, humidity in the housing of auto electric electronic equipment reduces thereby does not possess the condition of condensation greatly, air in housing is dried, on minute surface in the housing of auto electric electronic equipment or smooth electronical elements surface just do not have fog phenomenon and produce, the performance of auto electric electronic equipment is brought into play and thoroughly overturned American-European-Japanese conventional method to humidity control and regulation in housing, infiltration that again can blocks dust, makes to reach free of contamination dirt level of confidentiality in the housing of auto electric electronic equipment, the auto electric casting of electronic device that is applicable to engineering application is welded to connect, or can be directly and the bonding assembling of moisture-inhibiting window of auto electric casting of electronic device, and standardized end product industrialization manufacture use is more convenient.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of auto electric electronic equipment of the present invention coated film paster one preferred embodiment;
Fig. 2 is the structural representation of another preferred embodiment of auto electric electronic equipment of the present invention coated film paster;
In accompanying drawing, the mark of each parts is as follows: 1, expanded PTFE microporous membrane, 2, the coating that contains hydrophilic radical, 3, PE carrier band film, 4, pressure sensitive adhesive tape.
The specific embodiment
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, the embodiment of the present invention comprises:
A kind of auto electric electronic equipment coated film paster, comprise: PE carrier band film 3 and coated film, described coated film comprises expanded PTFE microporous membrane 1 and is coated in the lip-deep coating that contains hydrophilic radical 2 of expanded PTFE microporous membrane 1, described PE carrier band film 3 and 2 composite joints of the coating that contains hydrophilic radical of coated film.
In the present invention, described PE carrier band film 3 is connected with 2 low viscosity of the coating that contains hydrophilic radical of coated film.
In the present invention, described PE carrier band film 3 is connected by Performance of Pressure Sensitive Adhesive with 2 of the coatings that contains hydrophilic radical of coated film, forms the coated film paster of the bonding connection of engineering application.
Preferably, the thickness of the described coating that contains hydrophilic radical 2 is 0.05 ~ 0.1mm.
The manufacture method of coated film paster for auto electric electronic equipment, comprises the following steps:
(1) manufacture of expanded PTFE microporous membrane 1: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, and insulation maturation, gives and be pressed into cylinder blank, and cylinder blank is laminated, slough extrusion aid, simple tension, biaxial tension through heating, thermal finalization, cooling, rolling;
(2) preparation of the coating agent that contains hydrophilic radical: by polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mixture stirring and emulsifying of micro mist is even, is formed with the coating agent of hydrophilic radical;
(3) manufacture of coated film: prepare before being coated with, the coating agent that contains hydrophilic radical adds coating roller, coating layer thickness regulates, expanded PTFE microporous membrane 1 unreels, and contacts gluing with cylinder, next procedure cylinder heating, drying coated film, rolling, deposits maturation and solidifies, packing;
(4) manufacture of coated film paster: the preparation of PE carrier band film 3 and coated film, 2 composite joints of the coating that contains hydrophilic radical of PE carrier band film 3 and coated film, hemisection cross cutting is to carrier band surface, coated film paster finished product and unwanted coated film are separated, check, rolling, packing.
Preferably, the manufacture of described expanded PTFE microporous membrane 1: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, 30 ℃ ~ 35 ℃ insulation maturations, give and be pressed into cylinder blank, by rolling process, cylinder blank is laminated, slough extrusion aid through 90 ~ 110 ℃ of heating, 190 ~ 210 ℃ of simple tensions, 190 ~ 210 ℃ of biaxial tensiones, in 330 ~ 350 ℃ of sintering 15 ~ 20min thermal finalization, cooling, rolling.
Preferably, described polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mass ratio of micro mist is 5:12:1:1.
Preferably, the manufacture of described coated film: prepare before being coated with, the coating agent that contains hydrophilic radical is reinforced at point type coating roller, and coating layer thickness is adjusted to 0.05 ~ 0.1mm, and expanded PTFE microporous membrane 1 unreels, portable cord speed is 8 ~ 10m/min, contact gluing with point type cylinder, next procedure cylinder volatilizees simultaneously and removes solvent dimethylformamide and solvent recovery processing, rolling 80 ℃ ~ 100 ℃ heating, drying coated film, deposit 24h maturation at 25 ~ 35 ℃ and solidify, packing.
Preferably, viscosity index (VI) 28 ~ 33 Pa.s of the described coating agent that contains hydrophilic radical.
Preferably, described liquid extrusion aid is aviation kerosine, and the mass ratio of described polytetrafluoroethyldispersion dispersion resin and liquid extrusion aid is 4 ~ 6:1.
Expanded PTFE microporous membrane material is called for short " ePTFE film ", and " ePTFE " is the abbreviation of expanded PTFE English word (expanded polytetrafluorethylene); Expanded PTFE microporous membrane 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 has formed the inside and outside micropore in 0.1 penetrating μ m aperture, μ m ~ 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 of the mist globule, and (20 μ m ~ 100 μ m), and much larger than water vapour molecule diameter, (0.0003 μ m ~ 0.0004 μ m), can make steam by and water droplet can not pass through greatly because of surperficial tension, utilize this microcellular structure can reach outstanding Waterproof Breathable function; In addition because extremely tiny and longitudinal substandard bend alignment of this hole, be used in auto electric electronic equipment protection aspect, though can make the air in auto electric electronic equipment regulate pressure balance by this film convection current, reach free of contamination dirt close, but the steam that cannot stop or reduce in environment enters in housing, be trapped in that wetness in housing is too high will have a strong impact on the performance of performance of auto electric electronic equipment in the time that automobile is stopped.
The coating moisture-inhibiting principle that contains hydrophilic radical: the macromolecular compound of contain-NHCOO-unit in the polyurethane ester molecular structure in polyurethanes emulsion coating, its cardinal principle is on polymer chain, to introduce appropriate hydrophilic radical, spontaneous dispersion under certain condition forms emulsion, in the large molecule of PU, contain a large amount of polar groups, molecular separating force is very strong, cause and make it have good film forming, can on fabric, form tough and tensile and durable film, it also has certain poisture-penetrability.Its reason is: on the one hand polar group or the hydrophilic radical in PU, as-hydrogen bond and the intermolecular active force of OH ,-NHCOO-,-COOH and organosilicon micro mist etc., make water vapour molecule move to low humidity one side along ladder from high humility one side; Theoretically, on macromolecular chain, mainly contain hydrophilic radical, and as long as hydrophilic radical content and arrangement are suitable, they just can with hydrone effect, by hydrogen bond and other intermolecular force, after high humility one side draught attached water part, be delivered to low humidity one side desorb by hydrophilic radical on macromolecular chain.Therefore, moisture-inhibiting is in fact the process of " absorption-diffusion-transfer-desorb ".
Auto electric electronic equipment is to apply and contain hydrophilic radical polyurethanes emulsion coating at a side surface of expanded PTFE microporous membrane by the coated film that continues unidirectional moisture-inhibiting, dry coating through 80 ℃ ~ 100 ℃ temperature, room temperature is deposited after 24h, coating is just solidificated on expanded PTFE microporous membrane face, form the durable coating of one deck densification, this coating contains hydrophilic radical, with hydrone effect, by hydrogen bond and other intermolecular force, after high humility one side draught attached water part, be delivered to low humidity one side desorb by hydrophilic radical on macromolecular chain.Therefore, moisture-inhibiting be in fact one hydrophilic radical polyurethanes coating surface " absorption " stream molecule-hydrone in hydrophilic radical polyurethanes coating laterally " diffusion "-hydrone " desorb "-hydrone on the combination interface face of hydrophilic radical polyurethanes coating and expanded PTFE microporous membrane enter the densely covered micropore of expanded PTFE microporous membrane and discharge the process of moisture to external environment condition.
Embodiment 1: as shown in Figure 1,
A kind of auto electric electronic equipment coated film paster, comprise: PE carrier band film 3 and coated film, described coated film comprises expanded PTFE microporous membrane 1 and is coated in the lip-deep coating that contains hydrophilic radical 2 of expanded PTFE microporous membrane 1, described PE carrier band film 3 is connected with 2 low viscosity of the coating that contains hydrophilic radical of coated film, and its manufacture method specifically comprises the following steps:
(1) manufacture of expanded PTFE microporous membrane 1: polytetrafluoroethyldispersion dispersion resin is mixed by the mass ratio of 5:1 with aviation kerosine solvent, 30 ℃ ~ 35 ℃ insulation maturations, give and be pressed into cylinder blank, by rolling process, cylinder blank is laminated, slough extrusion aid through 90 ~ 110 ℃ of heating, 190 ~ 210 ℃ of simple tensions, 190 ~ 210 ℃ of biaxial tensiones, in 330 ~ 350 ℃ of sintering 15 ~ 20min thermal finalization, cooling, rolling;
(2) preparation of the coating agent that contains hydrophilic radical: be the SiO of 0.1 μ m ~ 12 μ m by polyurethanes, solvent dimethylformamide, the solvent that contains hydrophilic radical and particle diameter
2the mixture stirring and emulsifying of micro mist is even, is formed with the coating agent of hydrophilic radical, and described polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and particle diameter is the SiO of 0.1 μ m ~ 12 μ m
2the mass ratio of micro mist is 5:12:1:1, viscosity index (VI) 28 ~ 33 Pa.s of the described coating agent that contains hydrophilic radical, and nonvolatile matter reaches 25 ~ 35%;
(3) manufacture of coated film: prepare before being coated with, the coating agent that contains hydrophilic radical is reinforced at point type coating roller, coating layer thickness is adjusted to 0.05 ~ 0.1mm, expanded PTFE microporous membrane 1 unreels, and portable cord speed is 8 ~ 10m/min, contacts gluing with point type cylinder, next procedure cylinder volatilizees simultaneously and removes solvent dimethylformamide and solvent recovery processing 80 ℃ ~ 100 ℃ heating, drying coated film, rolling, deposits 24h maturation at 25 ~ 35 ℃ and solidifies, packing;
(4) manufacture of coated film paster: the preparation of PE carrier band film 3 and coated film, PE carrier band film 3 is connected with 2 low viscosity of the coating that contains hydrophilic radical of coated film, and hemisection cross cutting is to carrier band surface, coated film paster finished product and unwanted coated film are separated, check, rolling, packing.
Embodiment 2: as shown in Figure 2,
A kind of auto electric electronic equipment coated film paster, comprise: PE carrier band film 3 and coated film, described coated film comprises expanded PTFE microporous membrane 1 and is coated in the lip-deep coating that contains hydrophilic radical 2 of expanded PTFE microporous membrane 1, described PE carrier band film 3 is connected by Performance of Pressure Sensitive Adhesive with 2 of the coatings that contains hydrophilic radical of coated film, and its manufacture method specifically comprises the following steps:
(1) manufacture of expanded PTFE microporous membrane 1: polytetrafluoroethyldispersion dispersion resin is mixed by the mass ratio of 5:1 with aviation kerosine solvent, 30 ℃ ~ 35 ℃ insulation maturations, give and be pressed into cylinder blank, by rolling process, cylinder blank is laminated, slough extrusion aid through 90 ~ 110 ℃ of heating, 190 ~ 210 ℃ of simple tensions, 190 ~ 210 ℃ of biaxial tensiones, in 330 ~ 350 ℃ of sintering 15 ~ 20min thermal finalization, cooling, rolling;
(2) preparation of the coating agent that contains hydrophilic radical: be the SiO of 0.1 μ m ~ 12 μ m by polyurethanes, solvent dimethylformamide, the solvent that contains hydrophilic radical and particle diameter
2the mixture stirring and emulsifying of micro mist is even, is formed with the coating agent of hydrophilic radical, and described polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and particle diameter is the SiO of 0.1 μ m ~ 12 μ m
2the mass ratio of micro mist is 5:12:1:1, viscosity index (VI) 28 ~ 33 Pa.s of the described coating agent that contains hydrophilic radical, and nonvolatile matter reaches 25 ~ 35%;
(3) manufacture of coated film: prepare before being coated with, the coating agent that contains hydrophilic radical is reinforced at point type coating roller, coating layer thickness is adjusted to 0.05 ~ 0.1mm, expanded PTFE microporous membrane 1 unreels, and portable cord speed is 8 ~ 10m/min, contacts gluing with point type cylinder, next procedure cylinder volatilizees simultaneously and removes solvent dimethylformamide and solvent recovery processing 80 ℃ ~ 100 ℃ heating, drying coated film, rolling, deposits 24h maturation at 25 ~ 35 ℃ and solidifies, packing;
(4) manufacture of coated film paster: the preparation of PE carrier band film 3 and coated film, PE carrier band film 3 is fitted and connected with pressure sensitive adhesive tape 4, the endoporus of clicking technique locating hole and pressure sensitive adhesive tape 4, go the release liners of pressure sensitive adhesive tape 4, pressure sensitive adhesive tape 4 again with 2 laminatings of the coating that contains hydrophilic radical of coated film, locate hemisection cross cutting to carrier band surface with fabrication hole, coated film paster finished product and unwanted coated film are separated, make the coated film paster of the bonding connection of engineering application, check, rolling, packing.
Through the lot of experiments with coated film paster to auto electric electronic equipment, result of the test shows that the vapor transfer rate that steam is discharged from coated side to expanded PTFE microporous membrane side is greater than the vapor transfer rate that steam is discharged from expanded PTFE microporous membrane side direction coated side, the difference of water vapour moisture-inhibiting direction causes the difference of vapor transfer rate, from the amount of the outside moisture-inhibiting of coated side than large 30% left and right of vapor transfer rate in expanded PTFE microporous membrane side direction housing, utilize the greatest differences of the vapor transfer rate of this both direction, this coated film is applied on the housing of auto electric electronic equipment, the coated side of this coated film is in the housing of auto electric electronic equipment, the eptfe membrane of this coated film atmosphere towards the outside, steam in the housing of auto electric electronic equipment is constantly discharged in a steady stream like this, show by the characteristic to the unidirectional lasting discharge water vapour of external environment condition in housing, in the time of auto electric electronic device works, when temperature in housing is higher, the hydrophilic high mol segment of coating is more active, absorption, it is faster that diffusion reconciliation suction goes out the speed of water vapour molecule, humidity in the housing of auto electric electronic equipment reduces thereby does not possess the condition of condensation greatly, air in housing is dried, on minute surface in the housing of auto electric electronic equipment or smooth electronical elements surface just do not have fog phenomenon and produce, the performance of auto electric electronic equipment is brought into play.
Auto electric electronic equipment of the present invention comprises by the concrete advantage of the coated film paster that continues unidirectional moisture-inhibiting:
1) the present invention can guarantee the interior generation without knot mist condensation phenomenon of housing of auto electric electronic equipment, make electric property not be subject to the impact of moist air environment, humidity in the housing of auto electric electronic equipment reduces thereby does not possess the condition of condensation greatly, air in housing is dried, on minute surface in the housing of auto electric electronic equipment or smooth electronical elements surface just do not have fog phenomenon and produce, the performance of auto electric electronic equipment is brought into play, thoroughly overturned American-European-Japanese conventional method to humidity control and regulation in housing;
2) infiltration that the present invention can blocks dust, makes to reach free of contamination dirt level of confidentiality in the housing of auto electric electronic equipment;
3) the present invention has met the performance of auto electric electronic equipment and other small-sized sophisticated electronics (mobile phone, navigation terminal, microcomputer etc.) dependable performance completely, can meet the comprehensive requirements of protection such as waterproof and dustproof, grease proofing, moisture-inhibiting, anti-oxidant solution corrosion;
4) the present invention is the terminal applies product developing on the basis of coated film, the auto electric casting of electronic device that is applicable to engineering application is welded to connect, or can be directly and the bonding assembling of moisture-inhibiting window of auto electric casting of electronic device, standardized end product industrialization manufacture is used more convenient;
5) the present invention can further reduce auto electric electronic equipment eliminating the design and manufacture cost of steam to its performance impact, makes shell moulding simplicity;
6) airtight body of the present invention (allowing water vapour molecule to discharge) and the high characteristic of resistance to seepage pressure, more than water pressure resistance has reached 10000mm height water column (relative pressure 100KPa pressure), can keep out dell ponding and soak or the impact of the middle impact water that travels, make to keep dry in housing and can not soak.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an auto electric electronic equipment coated film paster, it is characterized in that, comprise: carrier band film and coated film, described coated film comprises expanded PTFE microporous membrane and is coated in the lip-deep coating that contains hydrophilic radical of expanded PTFE microporous membrane, the coat side composite joint that contains hydrophilic radical of described carrier band films and coatings film.
2. auto electric electronic equipment coated film paster according to claim 1, is characterized in that, the low viscosity of the coat side that contains hydrophilic radical of described carrier band films and coatings film connects.
3. auto electric electronic equipment coated film paster according to claim 1, it is characterized in that, the coat side that contains hydrophilic radical of described carrier band films and coatings film connects by Performance of Pressure Sensitive Adhesive, forms the coated film paster of the bonding connection of engineering application.
4. auto electric electronic equipment coated film paster according to claim 1, is characterized in that, described carrier band film is PE carrier band film, and the thickness of the described coating that contains hydrophilic radical is 0.05 ~ 0.1mm.
5. the manufacture method of coated film paster according to claim 1, is characterized in that, comprises the following steps:
(1) manufacture of expanded PTFE microporous membrane: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, and insulation maturation, gives and be pressed into cylinder blank, and cylinder blank is laminated, slough extrusion aid, simple tension, biaxial tension through heating, thermal finalization, cooling, rolling;
(2) preparation of the coating agent that contains hydrophilic radical: by polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mixture stirring and emulsifying of micro mist is even, is formed with the coating agent of hydrophilic radical;
(3) manufacture of coated film: prepare before being coated with, the coating agent that contains hydrophilic radical adds coating roller, coating layer thickness regulates, expanded PTFE microporous membrane unreels, and contacts gluing with cylinder, next procedure cylinder heating, drying coated film, rolling, deposits maturation and solidifies, packing;
(4) manufacture of coated film paster: the preparation of carrier band films and coatings film, the coat side composite joint that contains hydrophilic radical of carrier band films and coatings film, hemisection cross cutting is to carrier band surface, coated film paster finished product and unwanted coated film are separated, check, rolling, packing.
6. the manufacture method of coated film paster according to claim 5, it is characterized in that, the manufacture of described expanded PTFE microporous membrane: polytetrafluoroethyldispersion dispersion resin is mixed in proportion with liquid extrusion aid, 30 ℃ ~ 35 ℃ insulation maturations, give and be pressed into cylinder blank, by rolling process, cylinder blank is laminated, slough extrusion aid through 90 ~ 110 ℃ of heating, 190 ~ 210 ℃ of simple tensions, 190 ~ 210 ℃ of biaxial tensiones, in 330 ~ 350 ℃ of sintering 15 ~ 20min thermal finalization, cooling, rolling.
7. the manufacture method of coated film paster according to claim 5, is characterized in that, described polyurethanes, solvent dimethylformamide, hydrophilic radical solvent and SiO
2the mass ratio of micro mist is 5:12:1:1.
8. the manufacture method of coated film paster according to claim 5, it is characterized in that, the manufacture of described coated film: prepare before being coated with, the coating agent that contains hydrophilic radical is reinforced at point type coating roller, coating layer thickness is adjusted to 0.05 ~ 0.1mm, expanded PTFE microporous membrane unreels, portable cord speed is 8 ~ 10m/min, contact gluing with point type cylinder, next procedure cylinder volatilizees simultaneously and removes solvent dimethylformamide and solvent recovery processing 80 ℃ ~ 100 ℃ heating, drying coated film, rolling, deposits 24h maturation at 25 ~ 35 ℃ and solidifies, packing.
9. the manufacture method of coated film paster according to claim 5, is characterized in that, viscosity index (VI) 28 ~ 33 Pa.s of the described coating agent that contains hydrophilic radical.
10. according to the manufacture method of the coated film paster described in claim 5 or 6, it is characterized in that, described liquid extrusion aid is aviation kerosine, and the mass ratio of described polytetrafluoroethyldispersion dispersion resin and liquid extrusion aid is 4 ~ 6:1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103161.3A CN103862766B (en) | 2014-03-20 | 2014-03-20 | Auto electric electronic equipment coated film paster and manufacture method thereof |
| PCT/CN2014/081373 WO2015139383A1 (en) | 2014-03-20 | 2014-07-01 | Coating film patch for automotive electric and electronic devices and manufacturing method for the coating film patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410103161.3A CN103862766B (en) | 2014-03-20 | 2014-03-20 | Auto electric electronic equipment coated film paster and manufacture method thereof |
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| Publication Number | Publication Date |
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| CN103862766A true CN103862766A (en) | 2014-06-18 |
| CN103862766B CN103862766B (en) | 2016-01-27 |
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| WO (1) | WO2015139383A1 (en) |
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| WO2015139383A1 (en) * | 2014-03-20 | 2015-09-24 | 常州市泛亚微透科技有限公司 | Coating film patch for automotive electric and electronic devices and manufacturing method for the coating film patch |
| WO2015184664A1 (en) * | 2014-06-05 | 2015-12-10 | 江苏泛亚微透科技股份有限公司 | Water vapor transmission plug for automobile lamp |
| CN108050497A (en) * | 2018-02-11 | 2018-05-18 | 中国科学院工程热物理研究所 | For the side-emitting LED lamp radiator under superelevation heat flow density |
| CN108167790A (en) * | 2018-02-11 | 2018-06-15 | 中国科学院工程热物理研究所 | For photo-thermal integrated device, radiator and the LED light under superelevation heat flow density |
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Also Published As
| Publication number | Publication date |
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| WO2015139383A1 (en) | 2015-09-24 |
| CN103862766B (en) | 2016-01-27 |
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