CN107880790A - Glue composition - Google Patents
Glue composition Download PDFInfo
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- CN107880790A CN107880790A CN201711227378.5A CN201711227378A CN107880790A CN 107880790 A CN107880790 A CN 107880790A CN 201711227378 A CN201711227378 A CN 201711227378A CN 107880790 A CN107880790 A CN 107880790A
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- Prior art keywords
- glue composition
- glue
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- ester
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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
- 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
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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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention discloses a kind of glue composition, and the glue composition includes component and each component parts by weight content is as follows：8 30 parts of 8 20 parts of liquid OCA glue, 65 85 parts of diluent and combination agent；Wherein, the combination agent includes 30 50% activated monomers, 7 15% light triggers, 15 20% defoamers, 8 15% antioxidant and 15 20% coupling agents by mass percentage.Glue composition is made as raw material by using liquid OCA glue in the present invention; it ensure that the optical property of glue composition; utilize the concentration and viscosity of diluent regulation glue composition; improve viscosity, outward appearance and the processing characteristics of glue composition using combination agent; so that obtained glue composition has suitable adhesive property and optical property after UV photocurings; more adapt to the needs that diaphragm is adhesively fixed; so that fitting is more frivolous; solves the very difficult patch of Curved screen, protection film edge scrapes feel, and the technical problem of white edge phenomenon occurs.
Description
Technical field
The present invention relates to mobile terminal to protect technical field of membrane, more particularly to a kind of to be used to diaphragm being fixed on movement eventually
Hold the glue composition on display screen.
Background technology
In order to protect the display screen of mobile terminal, user pasting protective film, diaphragm would generally be needed in AB on a display screen
Relatively good fixed effect can be reached under the fixation of glue.But traditional AB glue is used often to have patch for Daqu face
Difficult phenomenon is closed, there is " scraping hand " sense at the edge of diaphragm, the phenomenon of white edge occurs at the edge of diaphragm, thicker in addition
AB glue also affects the shortcomings of sensitivity of mobile terminal touch.
The content of the invention
The main object of the present invention is to provide a kind of glue composition, it is intended to adapts to bond properties demand during diaphragm bonding
With optical property demand.
To achieve the above object, glue composition proposed by the present invention, the glue composition include component and each group
Divide parts by weight content as follows：
Liquid OCA glue 8-20 parts, diluent 65-85 parts and combination agent 8-30 parts；
Wherein,
The combination agent is including 30-55% activated monomers, 8-15% light triggers, 10-15% disappear by mass percentage
Infusion, 9-18% antioxidant, 6-10% coupling agents and 8-12% levelling agents.
Preferably, the glue composition includes component and each component parts by weight content is as follows：
Liquid OCA glue 10-15 parts, diluent 70-75 parts and combination agent 10-20 parts.
Preferably, the combination agent includes 42% activated monomer, 13% light trigger, 12% defoaming by mass percentage
Agent, 15% antioxidant, 8% coupling agent and 10% levelling agent.
Preferably, the diluent is selected from 1.6- hexanediyl esters, trimethylolpropane trimethacrylate, three contractings
Propylene glycol diacrylate, lauryl methacrylate, methacrylic acid tetrahydrofuran, isobutyl acrylate, methacrylic acid
One or more in hydroxyl ethyl ester, methyl methacrylate.
Preferably, the activated monomer is selected from methyl methacrylate, ethyl acrylate, n-butyl acrylate, acrylic acid
Isobutyl ester, hydroxyethyl methacrylate, methacrylic acid tetrahydrofuran, lauryl methacrylate, metering system ester isoborneol
Ester, trimethylol-propane trimethacrylate, methoxyl group tripropylene glycol mono acrylic ester, methoxy propoxy neopentyl glycol single
Acrylate, tripropylene glycol diacrylate, propoxylated glycerol triacrylate, the propylene of ethoxylated trimethylolpropane three
One or more in acid esters, organosilicon-modified acrylate monomer.
Preferably, the light trigger is selected from benzoin methyl ether, benzoin ethyl ether, melamine, tetraethyl michaelis ketone, benzene
Ketone, 1- hydroxycyclohexyl phenyl ketones, acrylate Benzophenone, one kind or more of phenyl benzophenone and dihydroxy benaophenonel
Kind.
Preferably, the coupling agent is selected from gamma-aminopropyl-triethoxy-silane, N- β-(aminoethyl)-γ-aminopropyltriethoxy
Dimethoxysilane, γ-(methacryloxypropyl) propyl trimethoxy silicane, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanium
In acid esters, the oleic acid acyloxy of isopropyl two (dioctyl phosphoric acid acyloxy) titanate esters, monoalkoxy unrighted acid titanate esters
One or more.
Preferably, the defoamer is selected from silicone emulsion, the fatty acid ester compounded thing of higher alcohols, polyoxyethylene polyoxypropylene season
Penta 4 alcohol ethers, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether, polyoxyethylene polyoxypropylene glycerin ether and poly dimethyl
One or more in siloxanes.
Preferably, the antioxidant be selected from double (dodecyl the sulfidomethyl)-O- cresols of 4,6-, four [β-(3,5- di-t-butyls-
4- hydroxy phenyls) propionic acid] pentaerythritol ester, 3,3 '-propane thioic acid bay alcohol ester, phosphorous acid three (2,4- di-tert-butyl-phenyls)
One or more in ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecyl.
Preferably, the levelling agent is selected from polyethyl acrylate, butyl polyacrylate, polyacrylic acid 2- ethylhexyls, third
Olefin(e) acid ethyl ester and one kind or more in butyl acrylate copolymer, silicone-modified polyacrylate and dimethyl silicone polymer
Kind.
Glue composition is made as raw material by using existing liquid OCA glue in technical solution of the present invention, ensure that
The optical property of glue composition, the concentration and viscosity of glue composition are adjusted using diluent, improve glue using combination agent
Viscosity, outward appearance and the processing characteristics of composition, so that obtained glue composition has suitable glue after UV photocurings
Performance and optical property are tied, more adapts to the needs that diaphragm is adhesively fixed so that fitting is more frivolous, while solves mobile terminal
Very difficult patch, protection film edge are scraped the technology for white edge phenomenon easily occur after feel and patch and asked when Curved screen is bonded using AB glue
Topic.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of protection of the invention.
It is to be appreciated that the technical scheme between each embodiment can be combined with each other, but must be common with this area
Technical staff can be implemented as basis, and this skill is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of art scheme is not present, also not within the protection domain of application claims.
The present invention proposes a kind of glue composition.
In embodiments of the present invention, the glue composition includes component and each component parts by weight content is as follows：
Liquid OCA glue 8-20 parts, diluent 65-85 parts and combination agent 8-30 parts；
Wherein,
The combination agent is including 30-55% activated monomers, 8-15% light triggers, 10-15% disappear by mass percentage
Infusion, 9-18% antioxidant, 6-10% coupling agents and 8-12% levelling agents.
Wherein, liquid OCA glue can be the finished product liquid OCA glue for being commercially for touch panel laminated bonding.
As long as need to meet following performance after liquid OCA glue curings：
Transmitance (ASTM E903) ＞ 99%；
Tensile shear strength GB 7124-86 meet following scope：
After aging, xanthochromia △ b, ASTM D1925<1；Liquid OCA glue may act as the raw material of the present invention.
Glue composition is made as raw material by using existing liquid OCA glue in technical solution of the present invention, ensure that
The optical property of glue composition, the concentration and viscosity of glue composition are adjusted using diluent, improve glue using combination agent
Viscosity, outward appearance and the processing characteristics of composition, so that obtained glue composition has suitable glue after UV photocurings
Performance and optical property are tied, more adapts to the needs that diaphragm is adhesively fixed so that fitting is more frivolous, while solves mobile terminal
Very difficult patch, protection film edge are scraped the technology for white edge phenomenon easily occur after feel and patch and asked when Curved screen is bonded using AB glue
Topic.
In order to reach more preferable effect, the content of each component can be carried out further preferred, it is preferable that the glue
Water composition includes component and each component parts by weight content is as follows：
Liquid OCA glue 10-15 parts, diluent 70-75 parts and combination agent 10-20 parts.
Wherein, the combination agent can specifically include by mass percentage 42% activated monomer, 13% light trigger,
12% defoamer, 15% antioxidant, 8% coupling agent and 10% levelling agent.By the dosage of each composition of Rational choice combination agent,
The glue composition of bond properties demand and optical property demand during diaphragm bonding can be obtained adapting to.
Diluent is used to be diluted liquid OCA glue, so as to reduce the viscosity of the liquid OCA glue of script, the diluent
It is specifically as follows 1.6- hexanediyl esters, trimethylolpropane trimethacrylate, tripropylene glycol diacrylate, first
Base lauryl acrylate, methacrylic acid tetrahydrofuran, isobutyl acrylate, hydroxyethyl methacrylate, methyl methacrylate
At least one of ester.By the species and dosage of Rational choice diluent, it can obtain adapting to cohesive during diaphragm bonding
The glue composition of energy demand and optical property demand.
Activated monomer is also applied for adjusting the bond properties of glue composition, specifically, the activated monomer is selected from methyl
Methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, hydroxyethyl methacrylate, methacrylic acid four
Hydrogen furans, lauryl methacrylate, metering system ester isobornyl thiocyanoacetate, trimethylol-propane trimethacrylate, methoxyl group
Tripropylene glycol mono acrylic ester, methoxy propoxy neopentyl glycol mono acrylic ester, tripropylene glycol diacrylate, propoxylation
One kind in glycerol tri-acrylate, ethoxylated trimethylolpropane triacrylate, organosilicon-modified acrylate monomer
It is or a variety of.
After diaphragm is pasted on display screen by glue composition, light trigger triggers in monomer and liquid OCA
Active component carries out cross-linking reaction, and so as to realize relatively firm stickup, the light trigger is selected from benzoin methyl ether, styrax
Ether, melamine, tetraethyl michaelis ketone, Benzophenone, 1- hydroxycyclohexyl phenyl ketones, acrylate Benzophenone, phenyl two
The one or more of Benzophenone and dihydroxy benaophenonel.Light trigger can specifically be chosen according to the species of activated monomer.
Coupling agent can reduce the viscosity of glue composition, improve the decentralization of other auxiliary agents to improve processing characteristics, its
In, the coupling agent can be selected from gamma-aminopropyl-triethoxy-silane, N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxy
It is silane, γ-(methacryloxypropyl) propyl trimethoxy silicane, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, different
The oleic acid acyloxy of propyl group two (dioctyl phosphoric acid acyloxy) titanate esters, one kind in monoalkoxy unrighted acid titanate esters or
It is a variety of.
In order to avoid producing bubble in glue-line, defoamer is also used in the present invention, the defoamer is selected from emulsification silicon
Oil, the fatty acid ester compounded thing of higher alcohols, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polyoxy
One or more in propylene glycerin ether, polyoxyethylene polyoxypropylene glycerin ether and dimethyl silicone polymer.By using defoaming
Agent, it is ensured that glue composition of the present invention has more preferable optical property when in use.
In order to avoid glue-line aging, antioxidant is added in the present invention, wherein, the antioxidant is selected from the double (dodecyls of 4,6-
Sulfidomethyl)-O- cresols, four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 3,3 '-propane thioic acid moon
In cinnamic alcohol ester, phosphorous acid three (2,4- di-tert-butyl-phenyls) ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecyl
One or more.Antioxidant can prevent the aging of glue composition glue-line, improve service life and the optical property of glue-line.
In order to form smooth glue layer faster when pasting, levelling has been used in glue composition of the invention
Agent, the levelling agent are selected from polyethyl acrylate, butyl polyacrylate, polyacrylic acid 2- ethylhexyls, ethyl acrylate and third
One or more in olefin(e) acid acrylate copolymer, silicone-modified polyacrylate and dimethyl silicone polymer.Levelling agent can
Improve the mobile performance of glue, be advantageous to form smooth glue-line faster when in use.
Following examples are hereby proposed, further illustrate the performance of glue composition of the present invention：
Embodiment 1,
15 parts of card taking Fu Te companies liquid OCA glue, 40 parts of hydroxyethyl methacrylate, 33 parts of methyl methacrylate and
12 parts of combination agent obtained glue composition 1.Wherein, the combination agent specifically includes 20% metering system by mass percentage
Sour methyl esters, 15% ethyl acrylate, 7% n-butyl acrylate, 8% benzoin methyl ether, 5% benzoin ethyl ether, 12% emulsification silicon
Oil, 9% 4 [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol ester, (the 2,4- di-t-butyls of 6% phosphorous acid three
Phenyl) ester, 5% gamma-aminopropyl-triethoxy-silane, the oleic acid acyloxy of 3% isopropyl two (dioctyl phosphoric acid acyloxy) metatitanic acid
Ester and 10% silicone-modified polyacrylate.
Using glue composition, No. 1 pastes 9.7 cun of diaphragms on 9.7 cun of display screens, using visually observing after solidification
Bubble bubble-free, transmitance (ASTM E903) ＞ 99%, glue-line outward appearance is observed after placing 30 days and is gone out without jaundice, cracking, bubble
It is existing.
Embodiment 2,
10 parts of card taking Fu Te companies liquid OCA glue, 30 parts of 1.6- hexanediyl esters, lauryl methacrylate 45
Part and 15 parts of combination agent obtained glue composition 2.Wherein, the combination agent specifically includes 25% first by mass percentage
Base methyl acrylate, 15% hydroxyethyl methacrylate, 6% n-butyl acrylate, 7%1- hydroxycyclohexyl phenyl ketones, 5%
Acrylate Benzophenone, 12% silicone emulsion, 9% 4 [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrite
Ester, 5% phosphorous acid three (2,4- di-tert-butyl-phenyls) ester, 4% gamma-aminopropyl-triethoxy-silane, the oleic acid acyl of 3% isopropyl two
Epoxide (dioctyl phosphoric acid acyloxy) titanate esters and 9% silicone-modified polyacrylate.
Using glue composition, No. 2 paste 9.7 cun of diaphragms on 9.7 cun of display screens, using visually observing after solidification
Bubble bubble-free, transmitance (ASTM E903) ＞ 99%, glue-line outward appearance is observed after placing 30 days and is gone out without jaundice, cracking, bubble
It is existing.
From above-mentioned two embodiment, glue composition of the invention has preferable adhesive property, optical property, non-
Often it is suitable for diaphragm being fixed on the display screen of mobile terminal.
It should be noted that the technical scheme of each embodiment of the present invention can be combined with each other, but must be with this
The technical staff in field can be implemented as basis, when the combination of technical scheme occur it is conflicting or when can not realize should people recognize
Combination for this technical scheme is not present, also not within the protection domain of application claims.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure transformation that present specification is made, or other related technical areas are directly or indirectly used in, together
Reason is included within the scope of the present invention.
Claims (10)
- A kind of 1. glue composition, for diaphragm to be fixed on into mobile terminal display screen, it is characterised in that the glue group Compound includes component and each component parts by weight content is as follows：Liquid OCA glue 8-20 parts, diluent 65-85 parts and combination agent 8-30 parts；Wherein,The combination agent include by mass percentage 30-55% activated monomers, 8-15% light triggers, 10-15% defoamers, 9-18% antioxidant, 6-10% coupling agents and 8-12% levelling agents.
- 2. glue composition as claimed in claim 1, it is characterised in that the glue composition includes component and each component Parts by weight content is as follows：Liquid OCA glue 10-15 parts, diluent 70-75 parts and combination agent 10-20 parts.
- 3. glue composition as claimed in claim 1 or 2, it is characterised in that the combination agent is included by mass percentage 42% activated monomer, 13% light trigger, 12% defoamer, 15% antioxidant, 8% coupling agent and 10% levelling agent.
- 4. glue composition as claimed in claim 1 or 2, it is characterised in that the diluent is selected from 1.6- hexylene glycol dipropyls Olefin(e) acid ester, trimethylolpropane trimethacrylate, tripropylene glycol diacrylate, lauryl methacrylate, metering system It is one or more in sour tetrahydrofuran, isobutyl acrylate, hydroxyethyl methacrylate, methyl methacrylate.
- 5. glue composition as claimed in claim 1 or 2, it is characterised in that the activated monomer is selected from methyl methacrylate Ester, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, hydroxyethyl methacrylate, methacrylic acid tetrahydrofuran, Lauryl methacrylate, metering system ester isobornyl thiocyanoacetate, trimethylol-propane trimethacrylate, methoxyl group tripropylene glycol Mono acrylic ester, methoxy propoxy neopentyl glycol mono acrylic ester, tripropylene glycol diacrylate, propoxylated glycerol 3 third One or more in olefin(e) acid ester, ethoxylated trimethylolpropane triacrylate, organosilicon-modified acrylate monomer.
- 6. glue composition as claimed in claim 5, it is characterised in that the light trigger is selected from benzoin methyl ether, rested in peace Fragrant ether, melamine, tetraethyl michaelis ketone, Benzophenone, 1- hydroxycyclohexyl phenyl ketones, acrylate Benzophenone, phenyl The one or more of benzophenone and dihydroxy benaophenonel.
- 7. glue composition as claimed in claim 1 or 2, it is characterised in that the coupling agent is selected from the ethoxy of γ-aminopropyl three Base silane, N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxysilane, γ-(methacryloxypropyl) propyl trimethoxy silicon Alkane, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, the oleic acid acyloxy of isopropyl two (dioctyl phosphoric acid acyloxy) titanium One or more in acid esters, monoalkoxy unrighted acid titanate esters.
- 8. glue composition as claimed in claim 1 or 2, it is characterised in that the defoamer is selected from silicone emulsion, higher alcohols Fatty acid ester compounded thing, polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polyoxypropylene glyceryl One or more in ether, polyoxyethylene polyoxypropylene glycerin ether and dimethyl silicone polymer.
- 9. glue composition as claimed in claim 1 or 2, it is characterised in that the antioxidant is selected from double (the dodecyl sulphur of 4,6- Methyl)-O- cresols, four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 3,3 '-propane thioic acid bay In alcohol ester, phosphorous acid three (2,4- di-tert-butyl-phenyls) ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecyl It is one or more.
- 10. glue composition as claimed in claim 1 or 2, it is characterised in that the levelling agent be selected from polyethyl acrylate, Butyl polyacrylate, polyacrylic acid 2- ethylhexyls, ethyl acrylate and butyl acrylate copolymer, organic-silicon-modified polypropylene One or more in acid esters and dimethyl silicone polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227378.5A CN107880790A (en) | 2017-11-29 | 2017-11-29 | Glue composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227378.5A CN107880790A (en) | 2017-11-29 | 2017-11-29 | Glue composition |
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| CN107880790A true CN107880790A (en) | 2018-04-06 |
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| CN201711227378.5A Pending CN107880790A (en) | 2017-11-29 | 2017-11-29 | Glue composition |
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Cited By (2)
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| CN109628013A (en) * | 2018-12-29 | 2019-04-16 | 柳州亚翔科技有限公司 | A kind of formaldehyde-free glue for automobile interiors |
| CN113512391A (en) * | 2021-06-29 | 2021-10-19 | 长春艾德斯新材料有限公司 | UV adhesive for glass bonding and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109628013A (en) * | 2018-12-29 | 2019-04-16 | 柳州亚翔科技有限公司 | A kind of formaldehyde-free glue for automobile interiors |
| CN113512391A (en) * | 2021-06-29 | 2021-10-19 | 长春艾德斯新材料有限公司 | UV adhesive for glass bonding and preparation method thereof |
| CN113512391B (en) * | 2021-06-29 | 2022-04-01 | 长春艾德斯新材料有限公司 | UV adhesive for glass bonding and preparation method thereof |
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