CN104029450B - The large vapor transfer rate coated film paster of automobile lamp - Google Patents
The large vapor transfer rate coated film paster of automobile lamp Download PDFInfo
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- CN104029450B CN104029450B CN201410246046.1A CN201410246046A CN104029450B CN 104029450 B CN104029450 B CN 104029450B CN 201410246046 A CN201410246046 A CN 201410246046A CN 104029450 B CN104029450 B CN 104029450B
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- transfer rate
- vapor transfer
- coated film
- large vapor
- automobile lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/30—Ventilation or drainage of lighting devices
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses the large vapor transfer rate coated film paster of a kind of automobile lamp, film carrier tape manufactured and large vapor transfer rate coated film, large vapor transfer rate coated film comprises eptfe membrane layer and the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical is coated on a side surface of eptfe membrane layer, the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical and film carrier tape manufactured composite joint.By the way, the present invention has good moisture absorption performance, with in the housing guaranteeing automobile lamp without the generation of knot mist dew condensation phenomenon, make car light illumination performance by the impact of moist air environment, it also avoid the generation that electric electronic element surface sweating causes short circuit; The infiltration of rainwater dust can be stopped, make in the housing of automobile lamp, to reach free of contamination dirt level of confidentiality; Chinese Kenaf Core Buffer super fine can adsorb car light plastic housing because of by thermogenetic volatile matter simultaneously, is conducive to car light minute surface and keeps light reflection performance.
Description
Technical field
The present invention relates to the large vapor transfer rate coated film paster of a kind of automobile lamp.
Background technology
In prior art, the bend pipe air-vent of the European Union's automobile lamp mist that falls apart goes condensation theoretical, inside there is sponge dust-proof, also connect air in lamp can go out greatly to enter greatly with the change of temperature in lamp, thus realize loose mist in 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 loose mist of Gore company of the U.S. goes condensation theoretical: car light is by convection current of breathing freely outward with 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 larger realizes loose mist and removes condensation.Thus reducing the ambiguous phenomenon generation of the scattering of steam to light, when car light does not work, external ambient humidity air can enter in housing.
The loose mist of Dong electrician company goes condensation theoretical: car light forms cross-ventilation by the upper-lower position air-vent of light fixture, and in lamp, steam raises with the temperature in lamp and discharges outside lamp from the air-vent of upper position, and the air-vent of upper/lower positions constantly supplements lamp outer air.Thus reducing the ambiguous phenomenon generation of the scattering of steam to light, the ventilation plug quantity that this theory uses 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 the large vapor transfer rate coated film paster of a kind of automobile lamp, the coating of one-way wet-guide can be had and have the ability of air proof, make the wetness in car light be in reduced levels, thus influence power do not had to the luminous intensity distribution performance of car light.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of automobile lamp large vapor transfer rate coated film paster, comprise: film carrier tape manufactured and large vapor transfer rate coated film, described large vapor transfer rate coated film comprises eptfe membrane layer and the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical is coated on a side surface of eptfe membrane layer, the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured composite joint;
Wherein, the preparation technology of large vapor transfer rate coated film comprises the following steps:
A) add the raw material of the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, and regulate rubberization thickness;
B) unreel eptfe membrane layer, and contact gluing with above-mentioned raw materials, form the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical on eptfe membrane layer surface;
C) coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical is carried out heating, drying;
D) maturation solidification, i.e. obtained large 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 deposits at least 24h under temperature is the environment of 20 DEG C-40 DEG C.
In a preferred embodiment of the present invention, the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical with between described film carrier tape manufactured for low stickiness be connected time,
The manufacture craft of this paster comprises the following steps:
A) low-viscosity carrier band film will be had and large vapor transfer rate coated film does technological preparation;
B) carrier band film is connected with the low stickiness of coat side containing Chinese Kenaf Core Buffer super fine hydrophilic radical of large vapor transfer rate coated film;
C) hemisection cross cutting is to carrier band film surface;
F) last, removing waste material, after the assay was approved rolling.
In a preferred embodiment of the present invention, time between the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured by pressure sensitive adhesive tape compound sticking,
The manufacture craft of this paster comprises the following steps:
A) carrier band film, pressure sensitive adhesive tape and large vapor transfer rate coated film are done technological preparation;
B) by carrier band film and pressure sensitive adhesive tape side composite joint;
C) endoporus of clicking technique locating hole and pressure-sensitive cushion rubber;
D) release liners of pressure sensitive adhesive is removed, the coat side compound of pressure sensitive adhesive tape opposite side and large vapor transfer rate coated film;
E) surperficial to carrier band film with fabrication hole location hemisection cross cutting;
F) last, removing waste material, after the assay was approved rolling.
In a preferred embodiment of the present invention, described film carrier tape manufactured is polyethylene PE film carrier band.
In a preferred embodiment of the present invention, this patch shape is circular or rectangle.
In a preferred embodiment of the present invention, for weld or bonding connection between this paster with automobile lamp housing.
The invention has the beneficial effects as follows: the present invention has good moisture absorption performance, by in housing to the characteristic of the unidirectional lasting discharge water vapour of external environment condition, with in the housing guaranteeing automobile lamp without the generation of knot mist dew condensation phenomenon, make car light illumination performance not by the impact of moist air environment, it also avoid the generation that electric electronic element surface sweating causes short circuit; The infiltration of rainwater dust can be stopped, make in the housing of automobile lamp, to reach free of contamination dirt level of confidentiality; Chinese Kenaf Core Buffer super fine can adsorb car light plastic housing because of by thermogenetic volatile matter simultaneously, is conducive to car light minute surface and keeps light reflection performance.
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 used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of automobile lamp of the present invention with the preferred embodiment of large vapor transfer rate coated film paster one;
Fig. 2 is the right view of automobile lamp shown in Fig. 1 with large vapor transfer rate coated film paster;
Fig. 3 is the structural representation of automobile lamp of the present invention with another preferred embodiment of large vapor transfer rate coated film paster;
Fig. 4 is the right view of automobile lamp shown in Fig. 3 with large vapor transfer rate coated film paster;
In accompanying drawing, the mark of each parts is as follows: 1, film carrier tape manufactured, and 2, eptfe membrane layer, 3, coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, 4, pressure sensitive adhesive tape.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 4, the embodiment of the present invention comprises:
The large vapor transfer rate coated film paster of a kind of automobile lamp, comprise: film carrier tape manufactured 1 and large vapor transfer rate coated film, described large vapor transfer rate coated film comprises eptfe membrane layer 2 and the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical, coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical is coated on a side surface of eptfe membrane layer 2, the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured 1 composite joint.
The raw material uniform stirring that the described coating agent containing the coating 3 of Chinese Kenaf Core Buffer super fine hydrophilic radical comprises 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%.
Wherein, the viscosity index (VI) of coating agent is 33Pa.s.The nonvolatile matter of 35% is comprised in coating agent.
The manufacture craft of Chinese Kenaf Core Buffer super fine comprises: first Chinese Kenaf Core Buffer is processed as meal, and carry out pretreatment, carry out micronization processes and activation process successively again, process laggard row to dry, carry out modification again, then carry out miniaturization process, finally carry out separating treatment, be i.e. obtained Chinese Kenaf Core Buffer super fine.
Modification adds a certain amount of methyl diphenylene diisocyanate and a small amount of polyalcohol realizes polymeric modification pulverizing in the Chinese Kenaf Core Buffer after drying.
The polyurethanes emulsion adopted, containing Chinese Kenaf Core Buffer super fine, macromolecular compound containing-NHCOO-unit in polyurethane ester molecular structure, its cardinal principle is on polymer chain, introduce appropriate hydrophilic radical, and thermoplastic polymer forms emulsion under certain condition, containing a large amount of polar groups in the large molecule of PU, molecular separating force is very strong, cause it to have excellent film forming, can form tough and tensile and durable film on fabric, it also has certain poisture-penetrability.
Its reason is: the polar group on the one hand in PU or hydrophilic radical, as-OH ,-NHCOO-,-COOH, " chemical ladder stone " effect of Chinese Kenaf Core Buffer superfine powder etc., makes water vapour molecule move to low humidity side along ladder from high humility side; Theoretically, macromolecular chain mainly contains hydrophilic radical, as long as and hydrophilic radical content is suitable with arrangement, then they just can with hydrone effect, by hydrogen bond and other intermolecular force, after high humility side absorption moisture content, be delivered to the desorb of low humidity side by hydrophilic radical on macromolecular chain.Therefore, moisture-inhibiting is in fact the process of " absorption one diffusion-transfer-desorb ".Hydrophilic radical is referred to as " chemical ladder stone ", and when there is pressure differential, moisture content is directionally shifted to opposite side by side.This process i.e. moisture-inhibiting process.
In polyurethanes emulsion glaze, add the Chinese Kenaf Core Buffer super fine of 18 ~ 25%, the Chinese Kenaf Core Buffer super fine added has 0.5 ~ 0.2 μm of a large amount of micropores 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 large, has a large amount of hydroxyls to make itself and water molecules group many, 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 the ventilating capability of automobile lamp by interior, make car light inside continue keep very low humidity and occur without knot mist dew condensation phenomenon, thus eliminate the harmful effect of car light interior focusing photograph; Copolymerization coating adhesive containing Chinese Kenaf Core Buffer super fine, molecular rearrangement after graft copolymerization and becoming intersects firmly Space Idea, and surface is also finer and close, stable, evenly.Improve the performance such as water pressure resistance intensity, light aging resisting, heat ageing of the automobile lamp coated film of large vapor transfer rate.
The manufacturing process of eptfe membrane layer 2 comprises;
1) by polytetrafluoroethyldispersion dispersion resin and liquid extrusion aid in proportion (5:1) mix (can coloring agent be added wherein, meet the multifarious demand of film color);
2) be incubated 30 DEG C of-35 DEG C of maturations, give and be pressed into cylinder blank;
3) by rolling process, cylinder blank is laminated;
4) extrusion aid is sloughed through heating 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, at the temperature sintering 18min of about 340 DEG C;
7) last, cooling, rolling, obtained expanded PTFE microporous membrane.
The microporous film material of expanded PTFE (ePTFE) is called for short " ePTFE film ", and " ePTFE " is the literary sketch of expanded PTFE English word (expandedpolytetrafluorethylene); 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 μm inside and outside penetrating ~ 18 μm of apertures, 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), steam can be made to pass through and water droplet because of surperficial tension very much not by, utilize the Waterproof Breathable function that this microcellular structure can reach outstanding; In addition because this hole extremely tiny and longitudinal substandard bend alignment, be 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.
The preparation technology of large vapor transfer rate coated film comprises the following steps:
A) add the raw material of the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical, and regulate rubberization thickness, rubberization thickness is 0.012mm-0.025mm;
B) unreel eptfe membrane layer 2, and contact gluing with above-mentioned raw materials, form the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical on eptfe membrane layer 2 surface;
C) coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical is carried out heating, drying, the temperature of heating, drying is 80 DEG C-100 DEG C;
D) be under the environment of 20 DEG C-40 DEG C, deposit at least 24h maturation solidification in temperature, i.e. obtained large vapor transfer rate coated film.
Coating contains hydrophilic radical and hydrone effect, by hydrogen bond and other intermolecular force, after high humility side absorption moisture content, is delivered to the desorb of low humidity side by hydrophilic radical on macromolecular chain.Therefore, moisture-inhibiting be in fact one at hydrophilic radical polyurethanes coating surface " absorption " stream molecule---hydrone in hydrophilic radical polyurethanes coating laterally " diffusion "---hydrone is on combination interface face of hydrophilic radical polyurethanes coating and eptfe membrane " desorb "---hydrone enter micropore that eptfe membrane gathers externally environment discharge moisture " process.Hydrophilic radical is referred to as " chemical ladder stone ", and when 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 that steam is greater than from the vapor transfer rate that coated side is discharged to eptfe membrane side the vapor transfer rate that steam discharges from eptfe membrane side direction coated side, the difference in two moisture-inhibiting directions causes the difference of vapor transfer rate, compare from vapor transfer rate about 30 ~ 50% in eptfe membrane side direction housing from the amount of the outside moisture-inhibiting of coated side, 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 air towards the outside of this coated film, steam in the housing of such automobile lamp is discharged endlessly, show by housing to the characteristic of the unidirectional lasting discharge water vapour of external environment condition, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is more active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is faster, humidity in the housing of automobile lamp reduces the condition thus not possessing condensation greatly, make air oxygen detrition in housing, on minute surface in the housing of automobile lamp or smooth electronical elements surface fog phenomenon would not be had to produce, the performance of automobile lamp is brought into play.
As shown in Figure 1, the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical is connected for low stickiness with between described film carrier tape manufactured 1.
When low stickiness connects, the manufacture craft of this paster comprises the following steps:
A) low-viscosity carrier band film will be had and large vapor transfer rate coated film does technological preparation;
B) carrier band film is connected with coating 3 low stickiness containing Chinese Kenaf Core Buffer super fine hydrophilic radical of large vapor transfer rate coated film;
C) hemisection cross cutting is to carrier band film surface;
F) last, removing waste material, after the assay was approved rolling.
As Fig. 3, by pressure sensitive adhesive tape 4 compound sticking between the coating 3 containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured 1.
During compound sticking, the manufacture craft of this paster comprises the following steps:
A) carrier band film, pressure sensitive adhesive tape 4 and large vapor transfer rate coated film are done technological preparation;
B) by carrier band film and pressure sensitive adhesive tape 4 side composite joint;
C) endoporus of clicking technique locating hole and pressure-sensitive cushion rubber;
D) release liners of pressure sensitive adhesive is removed, the coat side compound of pressure sensitive adhesive tape 4 opposite side and large vapor transfer rate coated film;
E) surperficial to carrier band film with fabrication hole location hemisection cross cutting;
F) last, removing waste material, after the assay was approved rolling.
Preferred film carrier band 1 of the present invention is polyethylene PE film carrier band 1.As shown in Figure 2 and Figure 4, this patch shape is circular or rectangle.For to weld or bonding connection between this paster with automobile lamp housing, and coat side is towards automobile lamp housing.
Paster of the present invention has good moisture absorption performance, moisture-inhibiting factor content of cellulose containing Chinese Kenaf Core Buffer super fine is large, there is a large amount of hydroxyls to make itself and water molecules group many, there is very low power and micropore simultaneously, increase moisture absorption area and diffusion area.The interior generation without knot mist dew condensation phenomenon of the housing of automobile lamp can be guaranteed after application the present invention, make electric property by the impact of moist air environment, thoroughly overturn American-European-Japanese conventional method to the control and regulation of housing humidity.
Lot of experiments finds that steam is greater than from the vapor transfer rate that coated side is discharged to eptfe membrane side the vapor transfer rate that steam discharges from eptfe membrane side direction coated side, the difference in two moisture-inhibiting directions causes the difference of vapor transfer rate, compare from vapor transfer rate large about 30 ~ 50% in eptfe membrane side direction housing from the amount of the outside moisture-inhibiting of coated side, 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 air towards the outside of this coated film, steam in the housing of such automobile lamp is discharged endlessly, show by housing to the characteristic of the unidirectional lasting discharge water vapour of external environment condition, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is more active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is faster, humidity in the housing of automobile lamp reduces the condition thus not possessing condensation greatly, make air oxygen detrition in housing, on minute surface in the housing of automobile lamp or smooth electronical elements surface fog phenomenon would not be had to produce, the performance of automobile lamp is brought into play.
Paster of the present invention show by housing to the characteristic of the unidirectional lasting discharge water vapour of external environment condition, make air oxygen detrition in housing, revolutionize before automobile lamp housing in steam rely on cross-ventilated principle fall apart mist go reveal pattern.
The existing good absorption property of paster of the present invention, can stop again the infiltration of rainwater dust, makes to reach free of contamination dirt level of confidentiality in the housing of automobile lamp, the coated side of this coated film in the housing of automobile lamp, the eptfe membrane air towards the outside of this coated film, the discharge that steam in the housing of such automobile lamp is able to continuously again, show by housing to the characteristic of the unidirectional lasting discharge water vapour of external environment condition, when automobile lamp works, when temperature in housing is higher, the hydrophilic high mol segment of coating is more active, absorption, the speed that diffusion reconciliation suction goes out water vapour molecule is faster, humidity in the housing of automobile lamp reduces the condition thus not possessing condensation greatly, make air oxygen detrition in housing, on minute surface in the housing of automobile lamp or smooth electronical elements surface fog phenomenon would not be had to produce, the performance of automobile lamp is brought into play, Chinese Kenaf Core Buffer super fine can adsorb car light plastic housing because of by thermogenetic volatile matter simultaneously, is conducive to car light minute surface and keeps light reflection performance.
Paster of the present invention also has excellent uvioresistant performance, this invention solves the defect problem in background technology, the performance of this material meets automobile lamp completely and other small-sized sophisticated electronics (mobile phone, navigation terminal, microcomputer etc.) dependable performance plays, in comprehensive requirements of protection such as waterproof and dustproof, grease proofing, moisture-inhibiting, anti-oxidant solution corrosion.
Paster of the present invention further can also develop the end product that engineering uses, as the terminal high value-added product such as " the automobile lamp coated film paster of large vapor transfer rate ", " the automobile lamp coated film bolt (cap) of large vapor transfer rate ", standardized end product industrialization manufacture uses more convenient.
Paster of the present invention further reduces automobile lamp eliminating steam to the design and manufacture cost of its performance impact, makes shell moulding simplicity.
Paster of the present invention also has 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 paster can be kept out dell ponding and soaked or impact water mitigation in traveling, makes keep dry in housing and can not soak.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; 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 (9)
1. the large vapor transfer rate coated film paster of automobile lamp, it is characterized in that, comprise: film carrier tape manufactured and large vapor transfer rate coated film, described large vapor transfer rate coated film comprises eptfe membrane layer and the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical is coated on a side surface of eptfe membrane layer, the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured composite joint;
Wherein, the preparation technology of large vapor transfer rate coated film comprises the following steps:
A) add the raw material of the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical, and regulate rubberization thickness;
B) unreel eptfe membrane layer, and contact gluing with above-mentioned raw materials, form the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical on eptfe membrane layer surface;
C) coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical is carried out heating, drying;
D) maturation solidification, i.e. obtained large vapor transfer rate coated film;
The raw material uniform stirring that the described coating agent containing the coating of Chinese Kenaf Core Buffer super fine hydrophilic radical comprises 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%.
2. the large vapor transfer rate coated film paster of automobile lamp according to claim 1, is characterized in that, in step a), rubberization thickness is 0.012mm-0.025mm.
3. the large vapor transfer rate coated film paster of automobile lamp according to claim 1, is characterized in that, in step c), the temperature of heating, drying is 80 DEG C-100 DEG C.
4. the large vapor transfer rate coated film paster of automobile lamp according to claim 1, is characterized in that, in step d), maturation solidification deposits at least 24h under temperature is the environment of 20 DEG C-40 DEG C.
5. the large vapor transfer rate coated film paster of automobile lamp according to claim 1, is characterized in that, the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical with between described film carrier tape manufactured for low stickiness be connected time,
The manufacture craft of this paster comprises the following steps:
A) low-viscosity film carrier tape manufactured will be had and large vapor transfer rate coated film does technological preparation;
B) film carrier tape manufactured is connected with the low stickiness of coat side containing Chinese Kenaf Core Buffer super fine hydrophilic radical of large vapor transfer rate coated film;
C) hemisection cross cutting is to film carrier tape manufactured surface;
F) last, removing waste material, after the assay was approved rolling.
6. the large vapor transfer rate coated film paster of automobile lamp according to claim 1, is characterized in that, time between the coating containing Chinese Kenaf Core Buffer super fine hydrophilic radical and described film carrier tape manufactured by pressure sensitive adhesive tape compound sticking,
The manufacture craft of this paster comprises the following steps:
A) film carrier tape manufactured, pressure sensitive adhesive tape and large vapor transfer rate coated film are done technological preparation;
B) by film carrier tape manufactured and pressure sensitive adhesive tape side composite joint;
C) endoporus of clicking technique locating hole and pressure sensitive adhesive tape;
D) release liners of pressure sensitive adhesive tape is removed, the coat side compound of pressure sensitive adhesive tape opposite side and large vapor transfer rate coated film;
E) surperficial to film carrier tape manufactured with fabrication hole location hemisection cross cutting;
F) last, removing waste material, after the assay was approved rolling.
7., according to the arbitrary described large vapor transfer rate coated film paster of automobile lamp of claim 1-6, it is characterized in that, described film carrier tape manufactured is polyethylene PE film carrier band.
8. the large vapor transfer rate coated film paster of automobile lamp according to claim 7, is characterized in that, this patch shape is circular or rectangle.
9. the large vapor transfer rate coated film paster of automobile lamp according to claim 8, is characterized in that, for weld or bonding connection between this paster with automobile lamp housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410246046.1A CN104029450B (en) | 2014-06-05 | 2014-06-05 | The large vapor transfer rate coated film paster of automobile lamp |
| PCT/CN2014/081381 WO2015184663A1 (en) | 2014-06-05 | 2014-07-01 | Coating film tape having high water vapor transmission rate for automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410246046.1A CN104029450B (en) | 2014-06-05 | 2014-06-05 | The large vapor transfer rate coated film paster of automobile lamp |
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| CN104029450A CN104029450A (en) | 2014-09-10 |
| CN104029450B true CN104029450B (en) | 2016-02-10 |
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| CN201410246046.1A Active CN104029450B (en) | 2014-06-05 | 2014-06-05 | The large vapor transfer rate coated film paster of automobile lamp |
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| WO (1) | WO2015184663A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103862766B (en) * | 2014-03-20 | 2016-01-27 | 江苏泛亚微透科技股份有限公司 | Auto electric electronic equipment coated film paster and manufacture method thereof |
| CN104029449B (en) * | 2014-06-05 | 2016-08-24 | 江苏泛亚微透科技股份有限公司 | Big vapor transfer rate coated film |
| CN105034459A (en) * | 2015-08-13 | 2015-11-11 | 常州市泛亚微透科技有限公司 | Varicosity Teflon film paster with patterns on surface and manufacturing method thereof |
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| CN101041277A (en) * | 2006-07-27 | 2007-09-26 | 宁波山泉建材有限公司 | Three layered composite film for purifying and preventing the air and the preparing method and the application |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015184663A1 (en) | 2015-12-10 |
| CN104029450A (en) | 2014-09-10 |
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