CN101357826A - Fenestrated membrane - Google Patents
Fenestrated membrane Download PDFInfo
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- CN101357826A CN101357826A CNA2008100792984A CN200810079298A CN101357826A CN 101357826 A CN101357826 A CN 101357826A CN A2008100792984 A CNA2008100792984 A CN A2008100792984A CN 200810079298 A CN200810079298 A CN 200810079298A CN 101357826 A CN101357826 A CN 101357826A
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- sensitive adhesive
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- fenestrated membrane
- adhesive layer
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Abstract
A window film comprises a transparent substrate and a transparent binding layer, the components and the parts by weight thereof of the transparent binding layer are as follows: 15 to 50 parts of pressure sensitive adhesive, 0.01 to 25 parts of polyurethane and 45 to 125 parts of solvent. The window film can improve the binding firmness between the binding layer and the substrate, enhance the light resistance, prolong the service life, improve the quality of the product, and have the simple construction process. The window film can be greatly applied on the glass of automobiles, buildings, banks and counters of shops.
Description
Technical field
The present invention relates to a kind of fenestrated membrane.
Background technology
Fenestrated membrane is adhering film to glass again, and it can trace back to nineteen sixties in the application aspect the common float glass energy-saving safe of raising, so far the history of existing four more than ten years, because its cost is low, conveniently mounts, be convenient to change, do not have light pollution, product has the vast market development prospect.If divide by purposes, fenestrated membrane mainly can be divided into automobile film, building film and safety film three classes, and they are used in the on glass of automobile, buildings and bank and table of the shop respectively in large quantities.
At present, organic polymer in the bonding coat of fenestrated membrane has only the pressure-sensitive adhesive mixture, the fenestrated membrane that makes with this kind method not only viscosity fastness between bonding coat and the base material is undesirable, and after factor effects such as light, in the relatively shorter time, will have bonding coat and break away from the position of base material, influence the work-ing life of product.Application number is that 97117930.1 Chinese patent discloses a kind of removable window film for motor vehicles, though this product can stick on easily on the automotive window, its complex structure, the production cost height, construction technology is comparatively complicated.
Summary of the invention
The technical problem to be solved in the present invention provide viscosity fastness height between a kind of base material and bonding coat, long service life, simple in structure, production cost is low, the simple fenestrated membrane of construction technology.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of fenestrated membrane comprises transparent substrate and transparent adhesive layer, and the component of described transparent adhesive layer and parts by weight thereof are:
15～50 parts in pressure-sensitive adhesive mixture;
0.01～25 part of urethane;
45～125 parts of solvents.
In the above-mentioned fenestrated membrane, the component of described transparent adhesive layer and parts by weight thereof are:
20～30 parts in pressure-sensitive adhesive mixture;
2～16 parts of urethane;
50～82 parts of solvents.
In the above-mentioned fenestrated membrane, described pressure-sensitive adhesive mixture is the acrylic acid or the like pressure sensitive adhesive.
In the above-mentioned fenestrated membrane, described urethane is number-average molecular weight more than or equal to 500 mono-component polyurethane resin.
At present, fenestrated membrane comprises transparent substrate and transparent adhesive layer, organic polymer only contains the pressure-sensitive adhesive mixture in the bonding coat, for solving the problems referred to above that currently available products exists, the present invention improves viscosity fastness between pressure-sensitive adhesive mixture and the base material, the work-ing life of improving fenestrated membrane by add urethane in the prescription of bonding coat.
Be fit to film or laminated film that transparent substrate of the present invention comprises various types of resins, these resins comprise: polyolefin resin such as polyethylene and polypropylene, vinyl chloride resin, styrene resin, ABS resin, polyvinyl alcohol, acrylic resin, acrylonitrile styrene resin (AS), 1, the 1-polyvinylidene chloride resin, AAS resin, the AES resin, urethane resin, polyvinyl butyral resin, poly 4-methylpene-1-resin, polybutene-1-resin, the vinylidene fluoride resin, fluoroethylene resin, fluorocarbon resin, polycarbonate resin, polyamide resin, polyacetal resin, polyhydroxyether resin; Vibrin such as polyethylene terephthalate, polybutylene terephthalate; Polyphenylens sulfide resin, polyimide resin, polysulfone resin, polyethersulfone resin, aromatic polyester resin and polyene propyl diester resin.In these films, preferred polyethylene terephthalate (PET) film.
Normally 5～200 microns of the thickness of described transparent substrate, preferred 10～100 microns.
Tackiness agent in the bonding coat works to adhere to base material and reaches things such as in use adhering to glass, and it can be pressure sensitive adhesive, heat sensitive adhesive or wet sensitive adhesive, preferred pressure-sensitive adhesive mixture among the present invention.The pressure-sensitive adhesive mixture can be natural rubber, synthetic rubber, acrylic acid or the like, polyvinyl ether, urethane or silicone pressure sensitive adhesive.The example of synthetic rubber pressure sensitive adhesive has styrene-butadiene rubber(SBR), polyisobutylene rubber, isobutylene-isoprene copolymer, synthetic polyisoprene, styrene-isoprene block copolymer, styrene-butadiene block copolymer, styrene-ethylene-butylene block-copolymer and ethylene-vinyl acetate thermoplastic elastomer.The example of pressure-sensitive adhesive mixture has: the polymkeric substance of vinylformic acid, methyl acrylate, ethyl propenoate, butyl acrylate, propyl acrylate, 2-EHA, Jia Jibingxisuanyizhi, butyl methacrylate and vinyl cyanide or multipolymer.The example of polyvinyl ether resin pressure sensitive adhesive has polyvingl ether and polyvinyl isobutyl ether.The example of silicone pressure sensitive adhesive is a polydimethylsiloxane.In these pressure-sensitive adhesive mixture, the preferred acrylic acid or the like pressure-sensitive adhesive of the present invention mixture, YN-903 type, YN-902 type acrylic acid or the like pressure-sensitive adhesive mixture as chemical plant, Shandong adhesive tape subsidiary factory, 201,203,204 type acrylic acid or the like pressure-sensitive adhesive mixture of Great Wall, Shanghai Fine Chemical Works, PS-5, the PS-7 of Shanghai synthetic resins institute, PS-12 acrylic acid or the like pressure-sensitive adhesive mixture.
Can contain tackifier, UV light absorber, infrared absorbent, other filler of hyperchromic dye well etc. in the binder layer.
Urethane among the present invention works to improve viscosity fastness between enhancing bonding coat and the base material.
Urethane resin comprises: for example, and the urethane body.This urethane body is by having with long-chain polyhydric alcohol soft section as main component, contains hard section of the vulcabond composition and chain extension agent and forms.In the long-chain polyhydric alcohol, mainly use polyester polyol or polyether glycol.And isocyanate prepolymer composition has tolylene diisocyanate (TDI), diphenylmethanediisocyanate (pure MDI), hexamethylene vulcabond (HDI) and similar compounds etc.Chain extension agent has low molecular weight polyols, aromatic diamine etc.
Various urethane bodies comprise:
One-pack type.With long-chain polyhydric alcohol and vulcabond, the thermoplastic polyurethane body that obtains as polymerizations such as TDI, MDI is dissolved in the organic solvent and makes.
Two-component-type.By add cross linking agent in urethane body or urethane body prepolymer, for example, polyisocyanates makes it to take place curing reaction and makes.
Preferred aliphat or alicyclic polyisocyanates are decided on resisting Changes in weather as the polyisocyanates cross linking agent, and two-component-type preferably adds interlinkage promotor.
In addition, other urethane resin comprises, for example, a kind of urethane, by a kind of prepolymer that contains the end group isocyanate group and one or more contain average functional group number be 2 or the mixture reaction of more polyvalent alcohol make; Or be 2 to 2.6 polyvalent alcohol and an amount of organic diisocyanate prepared in reaction by average functional group number by prepolymer.
In addition, other urethane resin comprises: a kind of urethane, mainly form by a kind of polyisocyanates composition and a kind of lower molecular weight alkene type polyvalent alcohol, there is not polar group in this alkene type polyvalent alcohol molecular skeleton, and contain the end group hydroxyl, number-average molecular weight is more than or equal to 500, and each intramolecularly hydroxyl value is about 1.5 to 8, and applicable polyisocyanates composition is consistent with above-mentioned polyisocyanates composition.
Urethane resin can be separately or two or more mix and use.
Being fit to urethane of the present invention can be the one-pack type or the two-component-type of various compositions, but preferred number average molecular weight is more than or equal to the mono-component polyurethane resin of any composition of 500.
Among the present invention, solvent plays dilution pressure-sensitive adhesive mixture, dissolve polyurethane and regulates gelatin viscosity.Solvent among the present invention can use aliphatic hydrocrbon such as hexane, heptane and hexanaphthene; Aromatic hydrocarbons such as toluene and dimethylbenzene; Alcohols such as methyl alcohol, ethanol, propyl alcohol and butanols; Ketone such as acetone, butanone, 2 pentanone, and isophorone; Ester such as ethyl acetate and N-BUTYL ACETATE etc.These solvents can use separately or mix use with two or more.In order to guarantee that good product is apparent and to consider solvability, ethyl acetate, ethanol, toluene, butanone, acetone or its mixture to system component.
Fenestrated membrane coating provided by the invention can adopt following method preparation:
In solvent, add pressure-sensitive adhesive mixture, urethane resin glue successively, to be mixed evenly after, leave standstill froth breaking, good glue is coated on the base material will to leave standstill froth breaking then, drying obtains fenestrated membrane.
The present invention has no particular limits coating process, can use conventional method, and as the scraper coating method, Mayer is coated with method, rolling method or intaglio plate coating method etc.
Fenestrated membrane provided by the invention when using, can spray bonding coat for water, directly sticks on the surface of glass then.
Compare with currently available products, fenestrated membrane provided by the invention, the viscosity fastness between bonding coat and the base material is improved, and photostabilization is enhanced, and has improved the work-ing life of product, improved the quality of product, and construction technology is simple.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
With the urethane of 15 parts by weight of acrylic class pressure sensitive adhesives (chemical plant, the Shandong YN-903 of adhesive tape subsidiary factory type), 0.01 weight part (big Japanese ink chemical company, trade(brand)name: CRISVON NT-165EL) join in the toluene solvant of 45 weight parts, stir after 20 minutes solution left standstill froth breaking 30 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 120 ℃ temperature dry 2 minutes, make the fenestrated membrane Y1 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y1 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y1 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after 3 years and have or not the position that breaks away from base material PET
Embodiment 2
With the urethane of 50 parts by weight of acrylic class pressure sensitive adhesives (201 types of Great Wall, Shanghai Fine Chemical Works), 10 weight parts (big Japanese ink chemical company, trade(brand)name: CRISVON 5150S) join in the mixed solvent of forming by the toluene and the 52 weight part ethyl acetate of 30 weight parts, stir after 20 minutes solution left standstill froth breaking 30 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 120 ℃ temperature dry 2 minutes, make the fenestrated membrane Y2 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y2 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y2 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after 3 years and have or not the position that breaks away from base material PET.
Embodiment 3
With the urethane of 30 parts by weight of acrylic class pressure sensitive adhesives (PS-7 of Shanghai synthetic resins institute), 25 weight parts (big Japanese ink chemical company, trade(brand)name: CRISVON 5150S) join by in the acetone of the toluene of 40 weight parts, 50 weight parts and the mixed solvent that 35 weight part ethyl acetate are formed, stir after 20 minutes solution left standstill froth breaking 30 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 110 ℃ temperature dry 2 minutes, make the fenestrated membrane Y3 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y3 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y3 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after 3 years and have or not the position that breaks away from base material PET.
Embodiment 4
With the urethane of 20 parts by weight of acrylic class pressure sensitive adhesives (PS-5 of Shanghai synthetic resins institute), 2 weight parts (big Japanese ink chemical company, trade(brand)name: CRISVON NT-165EL) join in the ethyl acetate by 50 weight parts, stir after 10 minutes solution left standstill froth breaking 35 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 110 ℃ temperature dry 2 minutes, make the fenestrated membrane Y4 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y4 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y4 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after 3 years and have or not the position that breaks away from base material PET.
Embodiment 5
With the urethane of 25 parts by weight of acrylic class pressure sensitive adhesives (203 types of Great Wall, Shanghai Fine Chemical Works), 16 weight parts (big Japanese ink chemical company, trade(brand)name: CRISVON NT-165EL) join in the mixed solvent of forming by the acetone of the ethyl acetate of 50 weight parts and 50 weight parts, stir after 15 minutes solution left standstill froth breaking 40 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 120 ℃ temperature dry 2 minutes, make the fenestrated membrane Y5 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y5 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y5 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after 3 years and have or not the position that breaks away from base material PET.
Comparative Examples
Under 18 ℃ and agitation condition, in the mixed solvent that contains toluene 15 weight parts, ethyl acetate 35 weight parts and acetone 10 weight parts composition, add 39 parts by weight of acrylic class pressure sensitive adhesives (chemical plant, the Shandong YN-903 of adhesive tape subsidiary factory type), stir after 20 minutes solution left standstill froth breaking 30 minutes.To leave standstill the good solution of froth breaking then and be applied under 18 ℃ on the transparent biaxial stretch-formed PET polyester film base, and under 120 ℃ temperature dry 2 minutes, make the sample Y0 that the dried thickness of pressure-sensitive adhesive layer is 25um.
At ambient temperature, sample Y0 is affixed on glass, after water and bubble being caught up with to the greatest extent, the glass that posts sample Y0 is put in sun-drenched place, measure the viscosity fastness between pressure-sensitive adhesive layer and the base material PET after 15 days, observe pressure-sensitive adhesive layer after three months and have or not the position that breaks away from base material PET.
Experimental result
| Sample | The time that pressure-sensitive adhesive layer and base material PET are separated | Viscosity fastness (pulling force with g/in is represented) |
| Y0 | Three months | 1500 |
| Y1 | 〉=3 years | ≥2500 |
| Y2 | 〉=3 years | ≥2500 |
| Y3 | 〉=3 years | ≥2500 |
| Y4 | 〉=3 years | ≥2500 |
| Y5 | 〉=3 years | ≥2500 |
Viscosity fastness is measured:
Pick and place the fenestrated membrane sample of putting through the solar radiation certain hour, use with sheet glass certain force at an angle of 90 and draw base material PET, when the speed of drawing was 300mm/min, pressure-sensitive adhesive layer broke away from the required pulling force of base material PET and promptly represents pressure-sensitive adhesive layer and base material PET viscosity fastness size.
Pressure-sensitive adhesive layer and base material PET have or not the position that is separated eyes direct viewing, or use microscopic examination.
The above results shows, the sample that does not add polyurethane resin with pressure-sensitive adhesive layer is compared, fenestrated membrane of the present invention not only makes the viscosity fastness between pressure-sensitive adhesive layer and the base material PET improve, and the position that is not separated between pressure-sensitive adhesive layer and the base material PET behind the long-time irradiation, be that light resistance strengthens, obtained prolongation the service life of product.
Claims (4)
1. a fenestrated membrane comprises transparent substrate and transparent adhesive layer, it is characterized in that, the component of described transparent adhesive layer and parts by weight thereof are:
15～50 parts in pressure-sensitive adhesive mixture;
0.01～25 part of urethane;
45～125 parts of solvents.
2. fenestrated membrane according to claim 1 is characterized in that, the component of described transparent adhesive layer and parts by weight thereof are:
20～30 parts in pressure-sensitive adhesive mixture;
2～16 parts of urethane;
50～82 parts of solvents.
3. fenestrated membrane according to claim 1 and 2 is characterized in that, described pressure-sensitive adhesive mixture is the acrylic acid or the like pressure sensitive adhesive.
4. fenestrated membrane according to claim 3 is characterized in that, described urethane is number-average molecular weight more than or equal to 500 mono-component polyurethane resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100792984A CN101357826B (en) | 2008-09-02 | 2008-09-02 | Fenestrated membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100792984A CN101357826B (en) | 2008-09-02 | 2008-09-02 | Fenestrated membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101357826A true CN101357826A (en) | 2009-02-04 |
| CN101357826B CN101357826B (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100792984A Active CN101357826B (en) | 2008-09-02 | 2008-09-02 | Fenestrated membrane |
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| Country | Link |
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| CN (1) | CN101357826B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543483A (en) * | 2013-11-08 | 2014-01-29 | 中盈长江国际新能源投资有限公司 | Flexible reflector film of sunlight reflector |
-
2008
- 2008-09-02 CN CN2008100792984A patent/CN101357826B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543483A (en) * | 2013-11-08 | 2014-01-29 | 中盈长江国际新能源投资有限公司 | Flexible reflector film of sunlight reflector |
| CN103543483B (en) * | 2013-11-08 | 2016-01-20 | 中盈长江国际新能源投资有限公司 | The flexible mirror film of solar light reflecting mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101357826B (en) | 2011-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BAODING LUCKY BOPET CO., LTD. HEFEI LUCKY SCIENCE Free format text: FORMER OWNER: BAODING LUCKY BOPET CO., LTD. BAODING LUCKY KANGTE SPECIAL FILM CO., LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20110517 Address after: 071054 Kennan street, Hebei, Baoding, No. 6 Applicant after: Chinese Lekai Film Group Co Co-applicant after: Baoding Lucky Film Co., Ltd. Co-applicant after: Hefei Lucky Science & Technology Industry Co., Ltd. Address before: 071054 Kennan street, Hebei, Baoding, No. 6 Applicant before: Chinese Lekai Film Group Co Co-applicant before: Baoding Lucky Film Co., Ltd. Co-applicant before: Baoding lucky Conco special film Co. Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA LUCKY GROUP CORPORATION Free format text: FORMER NAME: CHINESE LEKAI FILM GROUP CO |
|
| CP03 | Change of name, title or address |
Address after: South Street, new urban lucky 071054 Hebei province Baoding City No. 6 Patentee after: China Lucky Group Corporation Patentee after: Baoding Lucky Film Co., Ltd. Patentee after: Hefei Lucky Science & Technology Industry Co., Ltd. Address before: 071054 Kennan street, Hebei, Baoding, No. 6 Patentee before: Chinese Lekai Film Group Co Patentee before: Baoding Lucky Film Co., Ltd. Patentee before: Hefei Lucky Science & Technology Industry Co., Ltd. |