CN110511684A - A kind of protective film pressure-sensitive adhesive formula and preparation method thereof - Google Patents
A kind of protective film pressure-sensitive adhesive formula and preparation method thereof Download PDFInfo
- Publication number
- CN110511684A CN110511684A CN201910794445.4A CN201910794445A CN110511684A CN 110511684 A CN110511684 A CN 110511684A CN 201910794445 A CN201910794445 A CN 201910794445A CN 110511684 A CN110511684 A CN 110511684A
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- China
- Prior art keywords
- sensitive adhesive
- protective film
- epoxy resin
- film pressure
- agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/006—Presence of polyolefin in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2463/00—Presence of epoxy resin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention belongs to glass working arts fields; specially a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight: the acrylate monomer of 50-65%, the epoxy resin of 12-20%, the ethylene-like polymer mixture of 8-15%, the isocyanates system crosslinking agent of 4-7%, 3-5% the agent of multi-hydroxy polyether macromolecules cross-linking, the modified amine of 1-4% and the polypropylene glycol adipate of 1-3%；The PO film for selecting quality softer is as substrate; being reached by the anti-highly basic high temperature resistant type acrylate pressure-sensitive adhesive of coating prevents strong acid or highly basic side from seeping and the non-processing face of etching glass; and withstand the high temperature in blasting craft; after glass processing is complete protective film easily can be torn from glass surface; the pressure sensitive adhesive is polymerized for acrylate monomer; production method is simple, has broad application prospects.
Description
Technical field
The invention belongs to glass working arts fields, and in particular to a kind of protective film pressure-sensitive adhesive formula and its preparation side
Method.
Background technique
During the manufacturing of smart phone rear cover (3D glass), need by silk-screen, the cleaning of strong acid and strong base liquid, spray
The processes such as painting, plated film have high temperature resistant, strong alkali-acid resistance requirement in these production processes, and need to come using technique protective film
Protect local location, to avoid scuffing, corrosion or pollution, prepared cloudy surface glass since male and fomale(M&F) has corner angle or burr,
Strong acid or alkali corrosion processing need to be carried out, it is homogeneous to achieve the purpose that glass surface is smooth to the touch.This requires used guarantors
Cuticula should have pastes performance enough and prevents strong acid or highly basic side is seeped and the non-processing face of etching glass well, withstands spray again
High temperature in sand technique easily can tear protective film from glass surface after glass processing is complete.
Summary of the invention
The present invention provides a kind of protective film pressure-sensitive adhesive formulas and preparation method thereof, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of protective film pressure-sensitive adhesive formula, including it is following
The raw material of parts by weight: the acrylate monomer of 50-65%, the epoxy resin of 12-20%, 8-15% ethylene-like polymer mixture, 4-
The 7% multi-hydroxy polyether macromolecules cross-linking agent of isocyanates system crosslinking agent, 3-5%, the modified amine of 1-4% and 1-3% it is poly-
Adipic acid propylene glycol ester.
Preferably, the acrylate monomer is ethyl acrylate, isoborneol methacrylate, three propylene of pentaerythrite
One of acid esters or dipentaerythritol five, six acrylate.
Preferably, the epoxy resin is glycidyl amine epoxy resin or glycidyl ester epoxy resin.
Preferably, the ethylene-like polymer mixture is one of vinyl acetate, polyvinyl chloride or styrene.
Preferably, the modified amine uses JH-5422 type, JH-5402 type or JH-5465 type modified amine.
A kind of preparation method of protective film pressure sensitive adhesive described in above scheme, by the acrylate monomer of 50-65%,
The epoxy resin of 12-20%, the ethylene-like polymer mixture of 8-15%, the modified amine of 1-4% and the polypropylene glycol adipate of 1-3%
It is uniformly mixed, 30min is stirred at 90 DEG C, the isocyanates system crosslinking agent of 4-7% and the multi-hydroxy polyether of 3-5% is then added
Macromolecules cross-linking agent is uniformly mixing to obtain pressure-sensitive adhesive agent.
Compared with prior art, the beneficial effects of the present invention are:
The PO film for selecting quality softer is reached as substrate by being coated with anti-highly basic high temperature resistant type acrylate pressure-sensitive adhesive
It prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, and withstands the high temperature in blasting craft, it is complete in glass processing
After easily can tear protective film from glass surface, which is polymerized for acrylate monomer, and production method is simple, tool
Have broad application prospects.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
The present invention is the following technical schemes are provided: a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight:
50% acrylate monomer, 20% epoxy resin, 15% ethylene-like polymer mixture, 7% isocyanates system crosslinking agent,
3% agent of multi-hydroxy polyether macromolecules cross-linking, 2% modified amine and 3% polypropylene glycol adipate.
Specifically, acrylate monomer is isoborneol methacrylate.
Specifically, epoxy resin is glycidyl amine epoxy resin.
Specifically, ethylene-like polymer mixture is vinyl acetate.
Specifically, modified amine uses JH-5422 type modified amine.
A kind of preparation method of protective film pressure-sensitive adhesive formula, by 50% acrylate monomer, 20% epoxy resin,
15% ethylene-like polymer mixture, 2% modified amine and 3% polypropylene glycol adipate be uniformly mixed, stirred at 90 DEG C
Then 30min is added 7% isocyanates system crosslinking agent and 3% multi-hydroxy polyether macromolecules cross-linking agent, is uniformly mixing to obtain
Pressure-sensitive adhesive agent；Composite pressure-sensitive gluing agent obtained in step 1 is uniformly coated in the one side of PBT film, is subsequently placed in 80
Heat preservation and dryness 3h at DEG C obtains the protection of high temperature resistant pressure sensitive adhesive band.
In the present embodiment, high temperature resistant pressure sensitive adhesive band enough prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, again
The high temperature in blasting craft is withstood, easily can tear protective film from glass surface after glass processing is complete.
Embodiment 2
The present invention is the following technical schemes are provided: a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight:
65% acrylate monomer, 12% epoxy resin, 8% ethylene-like polymer mixture, 5% isocyanates system crosslinking agent, 3%
The agent of multi-hydroxy polyether macromolecules cross-linking, 4% modified amine and 3% polypropylene glycol adipate.
Specifically, acrylate monomer is ethyl acrylate.
Specifically, epoxy resin is glycidyl ester epoxy resin.
Specifically, ethylene-like polymer mixture is polyvinyl chloride.
Specifically, modified amine uses JH-5402 type modified amine.
A kind of preparation method of protective film pressure-sensitive adhesive formula, by 65% acrylate monomer, 12 epoxy resin, 8
Ethylene-like polymer mixture, 4% modified amine and 3% polypropylene glycol adipate be uniformly mixed, stir 30min at 90 DEG C,
Then 5% isocyanates system crosslinking agent and 3% multi-hydroxy polyether macromolecules cross-linking agent is added, is uniformly mixing to obtain pressure sensitive adhesive
Glutinous agent；Composite pressure-sensitive gluing agent obtained in step 1 is uniformly coated in the one side of PBT film, is subsequently placed at 85 DEG C and protects
The dry 2.6h of temperature, obtains the protection of high temperature resistant pressure sensitive adhesive band.
In the present embodiment, high temperature resistant pressure sensitive adhesive band enough prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, again
The high temperature in blasting craft is withstood, easily can tear protective film from glass surface after glass processing is complete.
Embodiment 3
The present invention is the following technical schemes are provided: a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight:
56% acrylate monomer, 17% epoxy resin, 12% ethylene-like polymer mixture, 7% isocyanates system crosslinking agent,
3% agent of multi-hydroxy polyether macromolecules cross-linking, 2% modified amine and 3% polypropylene glycol adipate.
Specifically, acrylate monomer is dipentaerythritol five, six acrylate.
Specifically, epoxy resin is glycidyl amine epoxy resin.
Specifically, ethylene-like polymer mixture is styrene.
Specifically, modified amine uses JH-5465 type modified amine.
A kind of preparation method of protective film pressure-sensitive adhesive formula, by 56% acrylate monomer, 17% epoxy resin,
12% ethylene-like polymer mixture, 2% modified amine and 3% polypropylene glycol adipate be uniformly mixed, stirred at 90 DEG C
Then 30min is added 7% isocyanates system crosslinking agent and 3% multi-hydroxy polyether macromolecules cross-linking agent, is uniformly mixing to obtain
Pressure-sensitive adhesive agent；Composite pressure-sensitive gluing agent obtained in step 1 is uniformly coated in the one side of PBT film, is subsequently placed in 93
Heat preservation and dryness 2h at DEG C obtains the protection of high temperature resistant pressure sensitive adhesive band.
In the present embodiment, high temperature resistant pressure sensitive adhesive band enough prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, again
The high temperature in blasting craft is withstood, easily can tear protective film from glass surface after glass processing is complete.
Embodiment 4
The present invention is the following technical schemes are provided: a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight:
62% acrylate monomer, 16% epoxy resin, 9% ethylene-like polymer mixture, 5.2% isocyanates system crosslinking agent,
4.8% agent of multi-hydroxy polyether macromolecules cross-linking, 1.6% modified amine and 1.4% polypropylene glycol adipate.
Specifically, acrylate monomer is ethyl acrylate.
Specifically, epoxy resin is glycidyl ester epoxy resin.
Specifically, ethylene-like polymer mixture is vinyl acetate.
Specifically, modified amine uses JH-5422 type modified amine.
A kind of preparation method of protective film pressure-sensitive adhesive formula, by 62% acrylate monomer, 16% epoxy resin,
9% ethylene-like polymer mixture, 1.6% modified amine and 1.4% polypropylene glycol adipate be uniformly mixed, stirred at 90 DEG C
Then 30min is added 5.2% isocyanates system crosslinking agent and 4.8% multi-hydroxy polyether macromolecules cross-linking agent, stirs evenly
Obtain pressure-sensitive adhesive agent；Composite pressure-sensitive gluing agent obtained in step 1 is uniformly coated in the one side of PBT film, is then set
The heat preservation and dryness 2.5h at 85 DEG C obtains the protection of high temperature resistant pressure sensitive adhesive band.
In the present embodiment, high temperature resistant pressure sensitive adhesive band enough prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, again
The high temperature in blasting craft is withstood, easily can tear protective film from glass surface after glass processing is complete.
Embodiment 5
The present invention is the following technical schemes are provided: a kind of protective film pressure-sensitive adhesive formula, the raw material including following parts by weight:
58% acrylate monomer, 14% epoxy resin, 14% ethylene-like polymer mixture, 6% isocyanates system crosslinking agent,
3.2% agent of multi-hydroxy polyether macromolecules cross-linking, 2.6% modified amine and 2.2% polypropylene glycol adipate.
Specifically, acrylate monomer is pentaerythritol triacrylate.
Specifically, epoxy resin is glycidyl ester epoxy resin.
Specifically, ethylene-like polymer mixture is one of styrene.
Specifically, modified amine uses JH-5402 type modified amine.
A kind of preparation method of protective film pressure-sensitive adhesive formula, by 58% acrylate monomer, 14% epoxy resin,
14% ethylene-like polymer mixture, 2.6% modified amine and 2.2% polypropylene glycol adipate be uniformly mixed, stirred at 90 DEG C
30min is mixed, 6% isocyanates system crosslinking agent and 3.2% multi-hydroxy polyether macromolecules cross-linking agent is then added, stirs evenly
Obtain pressure-sensitive adhesive agent；Composite pressure-sensitive gluing agent obtained in step 1 is uniformly coated in the one side of PBT film, is then set
The heat preservation and dryness 2.6h at 95 DEG C obtains the protection of high temperature resistant pressure sensitive adhesive band.
In the present embodiment, high temperature resistant pressure sensitive adhesive band enough prevents strong acid or highly basic side from seeping and the non-processing face of etching glass, again
The high temperature in blasting craft is withstood, easily can tear protective film from glass surface after glass processing is complete.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of protective film pressure-sensitive adhesive formula, it is characterised in that: the raw material including following parts by weight: the acrylic acid of 50-65%
Ester monomer, the epoxy resin of 12-20%, the ethylene-like polymer mixture of 8-15%, the isocyanates system crosslinking agent of 4-7%, 3-5%
The agent of multi-hydroxy polyether macromolecules cross-linking, the modified amine of 1-4% and the polypropylene glycol adipate of 1-3%.
2. a kind of protective film pressure-sensitive adhesive formula according to claim 1, it is characterised in that: the acrylate monomer is
In ethyl acrylate, isoborneol methacrylate, pentaerythritol triacrylate or dipentaerythritol five, six acrylate
It is a kind of.
3. a kind of protective film pressure-sensitive adhesive formula according to claim 1, it is characterised in that: the epoxy resin is to shrink
Glycerol amine epoxy resin or glycidyl ester epoxy resin.
4. a kind of protective film pressure-sensitive adhesive formula according to claim 1, it is characterised in that: the ethylene-like polymer mixture is
One of vinyl acetate, polyvinyl chloride or styrene.
5. a kind of protective film pressure-sensitive adhesive formula according to claim 1, it is characterised in that: the modified amine uses JH-
5422 types, JH-5402 type or JH-5465 type modified amine.
6. a kind of preparation method of protective film pressure sensitive adhesive according to claim 1, it is characterised in that: by 50-65%'s
Acrylate monomer, the epoxy resin of 12-20%, the ethylene-like polymer mixture of 8-15%, the modified amine of 1-4% and 1-3% it is poly-
Adipic acid propylene glycol ester is uniformly mixed, and 30min is stirred at 90 DEG C, and the isocyanates system crosslinking agent and 3- of 4-7% is then added
5% multi-hydroxy polyether macromolecules cross-linking agent, is uniformly mixing to obtain pressure-sensitive adhesive agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794445.4A CN110511684A (en) | 2019-08-27 | 2019-08-27 | A kind of protective film pressure-sensitive adhesive formula and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794445.4A CN110511684A (en) | 2019-08-27 | 2019-08-27 | A kind of protective film pressure-sensitive adhesive formula and preparation method thereof |
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| CN110511684A true CN110511684A (en) | 2019-11-29 |
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| CN201910794445.4A Pending CN110511684A (en) | 2019-08-27 | 2019-08-27 | A kind of protective film pressure-sensitive adhesive formula and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205792A (en) * | 2020-02-28 | 2020-05-29 | 上海宗特化工有限公司 | Water-whitening-resistant water-based pressure-sensitive adhesive and preparation method thereof |
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| CN102051145A (en) * | 2009-11-03 | 2011-05-11 | 德莎欧洲公司 | Adhesive composed of crosslinkable polyolefin and adhesive bonding resin |
| CN102190991A (en) * | 2011-03-24 | 2011-09-21 | 昆山博益鑫成高分子材料有限公司 | PET (poly(ethylene terephthalate)) protection film pressure-sensitive adhesive used for manufacture process of flat panel display, and production method thereof |
| CN103614086A (en) * | 2013-10-17 | 2014-03-05 | 昆山韩保胶带科技有限公司 | High temperature resistance pressure sensitive adhesive tape protection film and preparation method thereof |
| CN109628027A (en) * | 2018-10-18 | 2019-04-16 | 深圳市益达兴科技股份有限公司 | A kind of high temperature-resistant acid-resistant alkacrylic ester pressure sensitive adhesive composition and protective film |
-
2019
- 2019-08-27 CN CN201910794445.4A patent/CN110511684A/en active Pending
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|---|---|---|---|---|
| CN102051145A (en) * | 2009-11-03 | 2011-05-11 | 德莎欧洲公司 | Adhesive composed of crosslinkable polyolefin and adhesive bonding resin |
| CN102190991A (en) * | 2011-03-24 | 2011-09-21 | 昆山博益鑫成高分子材料有限公司 | PET (poly(ethylene terephthalate)) protection film pressure-sensitive adhesive used for manufacture process of flat panel display, and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205792A (en) * | 2020-02-28 | 2020-05-29 | 上海宗特化工有限公司 | Water-whitening-resistant water-based pressure-sensitive adhesive and preparation method thereof |
| CN111205792B (en) * | 2020-02-28 | 2022-04-12 | 上海宗特化工有限公司 | Water-whitening-resistant water-based pressure-sensitive adhesive and preparation method thereof |
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Application publication date: 20191129 |