CN102898957A - Optically-transparent liquid adhesive composition and its use - Google Patents
Optically-transparent liquid adhesive composition and its use Download PDFInfo
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- CN102898957A CN102898957A CN2011102110905A CN201110211090A CN102898957A CN 102898957 A CN102898957 A CN 102898957A CN 2011102110905 A CN2011102110905 A CN 2011102110905A CN 201110211090 A CN201110211090 A CN 201110211090A CN 102898957 A CN102898957 A CN 102898957A
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/067—Polyurethanes; Polyureas
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
Abstract
The invention relates to an optically-transparent liquid adhesive composition and its use. The optically-transparent liquid adhesive composition comprises 10-80 parts by weight of a (meth)acryloxy-containing aliphatic polyetherurethane oligomer and/or a (meth)acrylate oligomer, 1-42 parts by weight of a (meth)acrylate monomer or oligomer without any functional groups, 0.5-5 parts by weight of a photoinitiator, 0-30 parts by weight of a monomer selected from (meth)acrylamide, (meth)acrylic acid and a (meth)acrylate monomer with a function group, and 0-20 parts by weight of a liquid plasticizer. The optically-transparent liquid adhesive composition can be used for the bonding or the lamination of various substrates, and is especially used for the assembling of light-transmission parts, or the bonding or the lamination between light-transmission parts and between a light-transmission substrate and a light-tight substrate.
Description
Technical field
The present invention relates to adhesive field, specifically, relate to liquid optically transparent binder composition and uses thereof.
Background technology
Along with display unit, for example development of touch display screen technology, also more and more higher to the requirement of the tackiness agent that is used for these devices, for example tackiness agent will be convenient to apply, be easy to solidify, the transparency is good, strong adhesion etc.Any stress of being introduced by the bonding of tackiness agent all can exert an influence to the performance of indicating meter.
The tackiness agent that is used at present touch display screen mainly is the form of optically clear adhesive adhesive tape.But the shortcoming of adhesive tape is to introduce stress when being used for bonding between bonded substrate, thereby the bond quality between the bonded substrate is descended, and the optical transparence of adhesive tape is bad simultaneously.
Fluid binder can be used for display components, for example glass or plastic lens bond/are laminated on the glass or plastics that contain ITO (indium tin oxide) of touch display screen, perhaps are used for touch display screen or the lens liquid crystal display assembly that bonds/be laminated to.
US Patent No. 7,297,400 B2 disclose the curable pressure-sensitive adhesive composition that is used for optical texture, and described binder composition comprises: a) acrylate copolymer, for example Isooctyl acrylate monomer/methyl acrylate/acrylic acid multipolymer or Isooctyl acrylate monomer/acrylic copolymer; B) Tg is less than the origoester acrylate of 20 ℃ single functionality; C) Tg is less than 20 ℃ the polyfunctional acrylic ester oligopolymer with 2～5 acrylate-functional groups; And d) light trigger, the consumption of wherein said single functionality origoester acrylate is greater than the consumption of described polyfunctional acrylic ester oligopolymer.According to the specification sheets of this patent, the binder composition of its acquisition is optically transparent under uncured and/or solid state, therefore can be used for optical element, in the preparation such as computer display screen, CRT, antireflection film and polarizer etc.This patented technology is intended to by selecting the acrylate quasi-oligomer to improve haze value, the transparency and the moisture-proof of tackiness agent and the stability of heat etc.This patent is not mentioned the problem of being introduced stress by tackiness agent in the optical texture, the characteristics such as hardness after the binder composition that does not relate to the stress that the impact bonding introduces solidifies.
PCT application WO 2009/045889 discloses a kind of optical element, wherein use a kind of optical clear pressure sensitive adhesive, described tackiness agent comprises (methyl) alkyl acrylate of component A:50～95 part, and alkyl wherein has 4～18 carbon atoms, and Tg is less than or equal to 25 ℃; And at least a among following B component and the component C: B component: (methyl) acrylate monomer of 30～50 parts, Tg is greater than 25 ℃; The following function monomer that is selected from component C:1～40 part: (methyl) acrylamide, N that (methyl) acrylic acid hydroxy alkyl ester, unsubstituted (methyl) acrylamide, N-alkyl replace, (methyl) acrylamide that the N-dialkyl group replaces, contain the monomer of urea functional group etc.This patented technology is intended to improve in some touch panel the tackiness agent that directly contacts with electroconductibility ITO (indium tin oxide) and the consistency of ITO, with the assurance tackiness agent impact of indium tin oxide resistance is reached to minimize.This patent is not mentioned the problem of being introduced stress by tackiness agent in the optical texture, does not relate to the characteristics such as hardness after pressure sensitive adhesive solidifies.
Summary of the invention
The invention provides the optically transparent binder composition of a kind of liquid state.Thereby this binder composition has sufficient pliability after solidifying keeps good stable bonding between the substrate to reduce the stress that is incorporated into by tackiness agent between the bonded substrate, and has good optical transparence through the binder composition of curing.Binder composition of the present invention can be used for bonding or laminated various substrate, particularly display screen parts.
The invention provides the optically transparent binder composition of a kind of liquid state, its comprise following component (a) and (b) at least a:
(a) one or more aliphatic polyether oligourethanes with (methyl) acryloyl-oxy group of .10～80 part;
(b) one or more (methyl) origoester acrylates of .10～80 part;
Comprise in addition:
(c) one or more (methyl) acrylate monomer or oligopolymer without functional group of .1～42 part;
(d) one or more light triggers of .0.5～5 part;
(e) .0～30 part be selected from (methyl) acrylamide, (methyl) vinylformic acid and with one or more monomers in (methyl) acrylate monomer of functional group; With
(f) one or more liquid plasticizers of .0～20 part;
Above-mentioned umber is weight part, is based on the described binder composition of 100 weight parts.
In the optically transparent binder composition of liquid state of the present invention, the average functionality with (methyl) acryloxy of the aliphatic polyether oligourethane of (methyl) acryloyl-oxy group of component (a) is preferably greater than 0 less than or equal to 2; The Tg of component (a) is preferably-80～0 ℃; The average functionality of (methyl) acryloxy of (methyl) origoester acrylate of component (b) is preferably greater than 0 less than or equal to 2; The Tg of component (b) is preferably-80～0 ℃.
Elasticity after binder composition of the present invention solidifies can be adjusted by use different aliphatic polyether oligourethane or origoester acrylate with (methyl) acryloyl-oxy group of ultraviolet curable, the binder composition that obtains is preferably 100～15000mPa.s 25 ℃ Shandong gram Field viscosity, durometer level after the curing is preferably shore 00 10 to shore A 40, and transmittance is preferably greater than 90%.In addition, by adding some specific acrylic monomer or liquid plasticizers, the elasticity of the tackiness agent through solidifying is further improved.
The optically transparent binder composition of liquid state of the present invention can be used for bonding or laminated various substrate, bonding or laminated especially between the assembling between the printing opacity component or the light-transparent substrate and between light-transparent substrate and the light tight substrate.
Embodiment
Unless otherwise defined, all technology used herein and scientific terminology have the common same implication of understanding of one skilled in the art of the present invention.In the situation that conflict, be as the criterion with the definition in this specification sheets.
Unless otherwise indicated, all percentage ratio, umber, ratio etc. are all by weight.
When explaining certain amount, concentration or other value or parameter with the form of scope, preferable range or preferred numerical upper limits and preferred numerical lower limits, be to be understood that to be equivalent to specifically to have disclosed any scope that combines by with any a pair of range limit or preferred value and any range lower limit or preferred value, and do not consider whether this scope specifically discloses.Unless otherwise noted, the listed numerical range of this paper is intended to comprise the end points of scope, and all integers and mark within this scope.
Usually, in adhesive field, particularly in the binder composition that technical scale obtains, structural formula and to form content all be Utopian, most of expression primary structure and main component, the deviation that allows industry to allow exists.
The below illustrates each contained in binder composition of the present invention component successively:
Component (a): with the aliphatic polyether oligourethane of (methyl) acryloyl-oxy group
In the optically transparent binder composition of liquid state of the present invention, component (a) is that one or more are with the aliphatic polyether oligourethane of (methyl) acryloyl-oxy group of ultraviolet curable.
In the aliphatic polyether oligourethane with (methyl) acryloyl-oxy group of component (a), the average functionality of (methyl) acryloyl-oxy group is preferably more than 0 less than or equal to 2, and more preferably 0.5～1.5." average functionality " refers to the mean number of the methacryloxy group in each molecular chain herein.Described (methyl) acryloyl-oxy group can be on described polyethers molecule carbamate chain any position, preferably at the terminal position of molecular chain.
The aliphatic polyether segment with in the aliphatic polyether oligourethane of (methyl) acryloyl-oxy group of component (a) can be to be selected from following polyether segment: polyethylene oxide, poly(propylene oxide) and polytetrahydrofuran etc.
The Tg with the aliphatic polyether carbamate of (methyl) acryloyl-oxy group of component (a) is preferably-80～0 ℃, more preferably-50～0 ℃; Be 5000～60000mPa.s 50 ℃ brookfield viscosity, be preferably 20000～55000mPa.s, be 5000～50000mPa.s 60 ℃ brookfield viscosity perhaps, be preferably 9000～40000mPa.s, be 10000～80000mPa.s 25 ℃ brookfield viscosity perhaps, be preferably 20000～70000mPa.s.
When having component (a) in the binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (a) is 10～80 weight parts, is preferably 20～70 weight parts, more preferably 10～60 weight parts.
Component (b): (methyl) origoester acrylate
In the optically transparent binder composition of liquid state of the present invention, component (b) is one or more (methyl) origoester acrylates.
(methyl) origoester acrylate of component (b) is the oligopolymer that obtains as monomer polymerization with (methyl) acrylate, and described (methyl) acrylate can be (methyl) alkyl acrylate, (methyl) vinylformic acid alkenyl esters and (methyl) vinylformic acid heterocyclic radical ester; Wherein, described alkyl preferably carbonatoms is 1～20, preferred 1～10 alkyl, and described alkyl can have one or more substituting groups, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are 2～10 epoxy group(ing) and hydroxyl etc. that described substituting group is preferably selected from carbonatoms; Described thiazolinyl preferably carbonatoms is 2～20, preferred 2～10 thiazolinyl, and described thiazolinyl can have substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are 2～10 epoxy group(ing) and hydroxyl etc. that described substituting group is preferably selected from carbonatoms; Described heterocyclic radical preferably carbonatoms is 2～20, preferred 2～10 heterocyclic radical, wherein heteroatoms is preferably selected from nitrogen and oxygen, and described heterocyclic radical can have substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are 2～10 epoxy group(ing) and hydroxyl etc. that described substituting group is preferably selected from carbonatoms.
The representative example of above-mentioned (methyl) acrylate comprises and is selected from following material: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) butyl acrylate, vinylformic acid 2-(2-ethoxy ethoxy) ethyl ester, (methyl) vinylformic acid tetrahydro furfuryl ester, lauryl acrylate, Isooctyl acrylate monomer, isodecyl acrylate, vinylformic acid 2-phenoxy ethyl, (methyl) 2-EHA, (methyl) isobornyl acrylate, (methyl) vinylformic acid two cyclopentenes oxygen base ethyl esters, (methyl) vinylformic acid dicyclopentadienyl ester, (methyl) vinylformic acid 2-hydroxy methacrylate, (methyl) vinylformic acid 2-hydroxy propyl ester, (methyl) vinylformic acid 2-hydroxyl butyl ester, the caprolactone acrylate, morpholine (methyl) acrylate, two (methyl) vinylformic acid hexylene glycol ester, ethylene glycol dimethacrylate, Viscoat 295, tetramethylolmethane tetrahydrofuran (THF) acrylate.
The average functionality of (methyl) origoester acrylate of component (b) is greater than 0 less than or equal to 2, and is preferred 0.5～2, and " average functionality " refers to the mean number of the methacryloxy group in each molecule herein.
The Tg of (methyl) origoester acrylate of component (b) is-80～-0 ℃; Be preferably-60～-10 ℃.
(methyl) origoester acrylate of component (b) is 10000～50000mPa.s 25 ℃ brookfield viscosity, is preferably 20000～40000mPa.s.
(methyl) origoester acrylate of component (b) is used for improving the hardness of tackiness agent, improves sticking power.
When having component (b) in the binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (b) is 10～80 weight parts, is preferably 20～70 weight parts, more preferably 10～60 weight parts.
Component (c): without (methyl) acrylate monomer or the oligopolymer of functional group
In the optically transparent binder composition of liquid state of the present invention, component (c) is that one or more are without (methyl) acrylate monomer or the oligopolymer of functional group." functional group " herein refers to have the group of reactive behavior, such as hydroxyl, amino, amido, carboxyl etc.
(methyl) acrylate monomer without functional group of component (c) can be (methyl) alkyl acrylate, (methyl) vinylformic acid alkenyl esters and (methyl) vinylformic acid heterocyclic radical ester; Wherein, described alkyl preferably carbonatoms is 1～20, preferred 1～10 alkyl, and described alkyl can have one or more substituting groups, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are epoxy group(ing) of 2～10 etc. that described substituting group is preferably selected from carbonatoms; Described thiazolinyl preferably carbonatoms is 2～20, preferred 2～10 thiazolinyl, and described thiazolinyl can have substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are epoxy group(ing) of 2～10 etc. that described substituting group is preferably selected from carbonatoms; Described heterocyclic radical preferably carbonatoms is 2～20, preferred 2～10 heterocyclic radical, wherein heteroatoms is preferably selected from nitrogen and oxygen, and described heterocyclic radical can have substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy, carbonatoms are epoxy group(ing) of 2～10 etc. that described substituting group is preferably selected from carbonatoms.
Component (c) can be to be selected from the above-mentioned monomer one or more, also can be in the oligopolymer that is obtained by above-mentioned monomer polymerization one or more.When component (c) was oligopolymer, preferably less than 1000mPa.S, its weight-average molecular weight preferably was preferably-80～100 ℃ less than 2000, Tg to described oligopolymer 50 ℃ brookfield viscosity.
The preferred example of component (c) comprises and is selected from the following material one or more: (methyl) methyl acrylate, (methyl) ethyl propenoate, the mono acrylic ester oligopolymer of molecular weight Mw＜2000, the mono acrylic ester oligopolymer that contains urea or ammonia ester structure of molecular weight Mw＜2000, vinylformic acid 2 (2-ethoxy ethoxy) ethyl ester, the tetrahydrofuran base acrylate, lauryl acrylate, Isooctyl acrylate monomer, isodecyl acrylate, vinylformic acid 2-ethyl ester, vinylformic acid 2-phenoxy ethyl, (methyl) isobornyl acrylate, methacrylic acid dicyclopentenyl oxygen base ethyl ester, methacrylic acid dicyclopentadienyl ester and their combination.
Component (c) is used for adjusting viscosity or improves Miscibility.
In binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (c) is 1～42 weight part, is preferably 5～35 weight parts.
Component (d): light trigger
In the optically transparent binder composition of liquid state of the present invention, component (d) is one or more light triggers.The light trigger that is used for binder composition of the present invention is had no particular limits, can use any suitable light trigger well known in the art, the example of preferred light trigger comprises: 2,2-dimethoxy-1,2-diphenylethane-1-ketone, trimethylbenzoyl diphenylphosphine oxide compound, 1-hydroxy-cyclohexyl benzophenone, 2-methyl isophthalic acid-[4-(methyl sulphur) phenyl]-2-morpholine propane-1-ketone and their combination; Wherein preferred 2,2-dimethoxy-1,2-diphenylethane-1-ketone and 1-hydroxy-cyclohexyl benzophenone.
In binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (d) is 0.5～5 weight part, is preferably 1～3 weight part.
Component (e): (methyl) acrylamide, (methyl) vinylformic acid and with (methyl) of functional group
Acrylate monomer
In the optically transparent binder composition of liquid state of the present invention, component (e) be optional exist be selected from (methyl) acrylamide, (methyl) vinylformic acid and with one or more monomers in (methyl) acrylate of functional group, " functional group " herein refers to have the group of reactive behavior, for example hydroxyl, amino and carboxyl.
(methyl) acrylamide monomer of component (e) can be unsubstituted (methyl) acrylamide, also can be (methyl) acrylamide or the N that the N-alkyl replaces, (methyl) acrylamide that the N-dialkyl group replaces, alkyl wherein is selected from the aliphatic alkyl with 1～20 carbon atom, preferred 1～10 carbon atom and has the aromatic alkyl of 6～20 carbon atoms, preferred 6～10 carbon atoms; Described aliphatic alkyl comprises the alkyl of linearity, branching or ring-type, preferably has the aliphatic alkyl of 1～8 carbon atom.The preferred example of component (e) comprises N-ethyl acrylamide, N-octyl acrylamide, N,N-DMAA and N, N-diethyl acrylamide etc.
Component (e) with (methyl) acrylate monomer of functional group (methyl) alkyl acrylate preferably, have the functional group that is selected from hydroxyl, amino and carboxyl on the alkyl wherein, described alkyl is selected from the aliphatic alkyl with 1～20 carbon atom, preferred 1～10 carbon atom and has the aromatic alkyl of 6～20 carbon atoms, preferred 6～10 carbon atoms; Described aliphatic alkyl comprises the alkyl of linearity, branching or ring-type, preferably has the aliphatic alkyl of 1～8 carbon atom.Described (methyl) acrylate monomer with functional group is preferably (methyl) acrylic acid hydroxy alkyl ester, particularly (methyl) vinylformic acid 2-hydroxyl ethyl ester, (methyl) vinylformic acid 2-hydroxypropyl acrylate, (methyl) vinylformic acid 2 (4)-hydroxy butyl esters and their combination.
Component (e) is used for regulating the sticking power of tackiness agent, or as tackifier.
In binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (e) is 0～30 weight part, is preferably 1～20 weight part.
Component (f): liquid plasticizer
In the optically transparent binder composition of liquid state of the present invention, component (f) is the optional liquid plasticizer that exists, described liquid plasticizer for example is selected from weight-average molecular weight Mw less than 8000 terpine resin, for example can be available from the DERCOLYTE A 10 of French DRT company, DERCOLYTE L 115, DERCOLYTE L 120, DERCOLYTE LTG, DERCOLYTE M 105, DERCOLYTE M 115, DERCOLYTE M 120 and DERTOPHENE T 115 etc. can be available from the Clearon 85 of Japanese Yasuhara company, Clearon K 100, Clearon K 110, Clearon M105, Clearon M 115, Clearon P 85 and Clearon P 105 etc.; It is 1000～8000 replacement or unsubstituted polyisoprene, polyhutadiene or polybutene rubbers that the liquid plasticizer of component (f) can also be selected from weight-average molecular weight, and described substituting group is preferably terminal carboxyl(group); It is 1000～8000 the polyhutadiene with terminal carboxyl(group) that component (f) is particularly preferably weight-average molecular weight.
Component (f) is used for further regulating the hardness of the tackiness agent that solidifies.
In binder composition of the present invention, based on the binder composition of 100 weight parts, the content of component (g) is 0～20 weight part, is preferably 1～10 weight part.
The preparation method of binder composition of the present invention
Preparation method to binder composition of the present invention has no particular limits, and each component that is used for binder composition of the present invention can be by any suitable method, mix with any suitable order, and mixing can be carried out continuously or off and on.As required, can stir in the process of mixing, in the different steps of mixing, stirring velocity can be identical or different.
In an embodiment of the invention, binder composition prepares by the following method: each component of binder composition is added in the mixing tank, under 2000～2400 rev/mins stirring velocity, high speed dispersion was mixed 3～10 minutes, obtained binder composition.
In yet another embodiment of the present invention, binder composition prepares by the following method: each component of binder composition is added in the mixing tank, and under 80～150 rev/mins stirring velocity, dispersing and mixing 30～100 minutes obtains binder composition.
The characteristic of binder composition of the present invention
Binder composition of the present invention in 25 ℃ Shandong gram Field viscosity for being preferably 100～15000mPa.s, 700～11000mPa.s more preferably, the durometer level after the curing is preferably shore 0010 to shore A 40, transmittance is preferably greater than 90%.
The purposes of binder composition of the present invention
Can be used for bonding or laminated various substrate according to binder composition of the present invention, various parts in the display unit for example, bonding or laminated especially between the assembling between the printing opacity component or the light-transparent substrate and between light-transparent substrate and the light tight substrate.Such as glass or transparent plastics etc. of described light-transparent substrate; Light tight substrate such as metal, opaque plastics, pottery, stone material, leather or timber etc.Most preferably binder composition of the present invention is used for bonding between substrate of glass and the substrate of glass or laminated.
Binder composition of the present invention has the aliphatic polyether oligourethane that contains (methyl) acryloyl-oxy group of low Tg and low average functionality by introducing, and/or has (methyl) origoester acrylate of low Tg and low average functionality, obtained novel adhesive formula, this adhesive formula has extraordinary pliability after solidifying, can reduce by tackiness agent and be incorporated into stress between the bonded substrate, thereby the bonding between the maintenance substrate, compare with traditional optical clear adhesive tape, binder composition of the present invention has advantages of as follows: 1) have higher cohesive strength; 2) the more easy uneven surface of bonding; 3) be convenient to bonding between hard-hard matrix.In addition, binder composition of the present invention has excellent optical transparence after curing.
Embodiment
Below by embodiment the present invention is carried out specific description, but scope of the present invention is not subjected to the restriction of these embodiment.
Employed material
Aliphatic polyether oligourethane A with the acryloyl-oxy group: BR3641AA (Bomar company), average functionality 1.3, viscosity is approximately 24000mPa.s/50 ℃, and Tg is approximately-50 ℃;
Aliphatic polyether oligourethane B with the acryloyl-oxy group: BR3741AB (Bomar company), average functionality 1.3, viscosity is approximately 55000mPa.s/50 ℃, Tg and is approximately-49 ℃;
Aliphatic polyether oligourethane C with the acryloyl-oxy group: Genomer4188/M22 (Rahn AG company), average functionality is about 1, and viscosity is approximately 70000mPa.s/25 ℃, Tg and is approximately-3 ℃;
Aliphatic polyether oligourethane D with the acryloyl-oxy group: Genomer3414 (Rahn AG company), average functionality is 4, viscosity is approximately 45000mPa.s/25 ℃, Tg and is approximately-17 ℃.
Aliphatic polyether oligourethane E with the acryloyl-oxy group: CN8004 (Sartomer company), average functionality are less than 2, and viscosity is approximately 9000mPa.s/60 ℃, and Tg is approximately-3 ℃.
Origoester acrylate A: BR344 (Bomar company), average functionality is 2, and viscosity is approximately 20000mPa.s/25 ℃, and Tg is approximately-48 ℃.
Origoester acrylate B: Genomer6043/M22 (Rahn AG company), average functionality is less than 1, and viscosity is approximately 40000mPa.s/25 ℃, and Tg is approximately-18 ℃.
Polyhutadiene A with terminal carboxyl(group): PolyBD3000CT (Cray Valley company), molecular weight is approximately 3000.
Other compounds that use among the embodiment are chemical pure commercially available chemical reagent.
Performance test methods
Viscosity among the application refers to brookfield viscosity (Brookfield), and ASTM D1084 standard is adopted in test, and probe temperature is 25 ℃, 50 ℃ or 60 ℃
ASTM D2240 standard is adopted in hardness test, and ASTM D1003 standard is adopted in test shore 00 hardness and the test of shore A hardness mist degree.
ASTM E903 standard is adopted in the transparence test.
The curing of tackiness agent before the performance test
Curing for hardness test:
On the sheet glass of 150mm*150mm*4mm, place the polychloroethylene film that a uniform thickness is 0.18mm, the stainless steel frame that top place mat 2mm is thick, put into the approximately binder composition of the present invention of 30g, the above places the polychloroethylene film that a uniform thickness is 0.18mm again, and in addition with the sheet glass covering of a 150mm*150mm*4mm.Sample put under the UV-light fully solidify two minutes (pros and cons each minute, ultraviolet ray intensity is 100mW/cm
2).
During hardness test, cut three onesize, thickness is the film after the curing of 2mm, the hardness value when measuring 6mm thickness with sclerometer.
Curing for the transparence test:
On the sheet glass of 40mm*60mm*1.5mm, be the Stainless Steel Wire control thickness of 1mm with diameter, evenly place approximately 0.25g binder composition of the present invention in sheet glass central authorities, sheet glass with an other 40mm*60mm*1.5mm covers, firmly making gently the binder composition levelling is ring-type, is positioned under the UV-light to solidify fully that (ultraviolet ray intensity was 100mW/cm in one minute
2).
Embodiment 1
According to following formulated binder composition:
| Component (a) | 38 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (a) | 30 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (c) | 20 parts of lauryl acrylates |
| Component (c) | 7 parts of isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 3 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 1 part of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
Compound method:
Be in the plastic tank of 150g with above-mentioned each component (amount to 100g) successively adding capacity, put into the SpeedMixer that FlackTech Inc company produces
TMIn the mixing tank, under 2000～2400 rev/mins, high speed dispersion was mixed 4 minutes, obtained binder composition.
The viscosity of the binder composition that obtains is approximately 3500mPa.s/25 ℃, and Shore 00 hardness after the curing is Sh00 50, haze value:＜0.5%, and transparence:＞99%.
Embodiment 2
According to following formulated binder composition:
| Component (a) | 34 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (a) | 34 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (c) | 20 parts of lauryl acrylates |
| Component (d) | 3 parts of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 6 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 3 parts of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 3500mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 60, haze value:＜0.5%, and transparence:＞99%.
Embodiment 3
According to following formulated binder composition:
| Component (a) | 38 parts of aliphatic polyether oligourethane C with the acryloyl-oxy group |
| Component (a) | 30 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (c) | 20 parts of lauryl acrylates |
| Component (c) | 7 parts of isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 3 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 1 part of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 5500mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 40, haze value:＜0.5%, and transparence:＞99%.
Embodiment 4
According to following formulated binder composition:
| Component (a) | 38 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (a) | 30 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (c) | 20 parts of methacrylic acid dicyclopentadienyl oxygen base ethyl esters |
| Component (c) | 7 parts of isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 3 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 1 part of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 11000mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 70, haze value:＜2%, and transparence:＞98%.
Embodiment 5
According to following formulated binder composition:
| Component (b) | 71 parts of origoester acrylate A |
| Component (c) | 17 parts of lauryl acrylates |
| Component (c) | 7 parts of isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 3 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 1 part of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 2500mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 30, haze value:＜0.5%, and transparence:＞99%.
Embodiment 6
According to following formulated binder composition:
| Component (a) | 34 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (b) | 34 parts of origoester acrylate B |
| Component (c) | 20 parts of lauryl acrylates |
| Component (d) | 3 parts of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 6 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 3 parts of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 2700mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 46, haze value:＜0.5%, and transparence:＞99%.
Embodiment 7
According to following formulated binder composition:
| Component (a) | 49 parts of aliphatic polyether oligourethane C with the acryloyl-oxy group |
| Component (b) | 30 parts of origoester acrylate B |
| Component (c) | 20 parts of vinylformic acid 2 (2-ethoxy ethoxy) ethyl ester |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 3000mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 32, haze value:＜0.5%, and transparence:＞99%.
Embodiment 8
According to following formulated binder composition:
| Component (a) | 28.2 part aliphatic polyether oligourethane C with the acryloyl-oxy group |
| Component (b) | 38 parts of origoester acrylate A |
| Component (c) | 6.1 a part Mw is about 215 the mono acrylic ester oligopolymer that contains urea structure |
| Component (c) | 25.5 part vinylformic acid 2 (2-ethoxy ethoxy) ethyl ester |
| Component (d) | 2.2 part 1-hydroxy-cyclohexyl benzophenone |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 700mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 23, haze value:＜0.5%, and transparence:＞99%.
Embodiment 9
According to following formulated binder composition:
| Component (a) | 57 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (c) | 35 parts of lauryl acrylates |
| Component (c) | 6.6 part isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (d) | 0.4 part trimethylbenzoyl diphenylphosphine oxide compound |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 1200mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 40, haze value:＜0.5%, and transparence:＞99%.
Embodiment 10
According to following formulated binder composition:
| Component (a) | 50 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (c) | 20 parts of lauryl acrylates |
| Component (c) | 10 parts of methacrylic acid dicyclopentenyl oxygen base ethyl esters |
| Component (d) | 2 parts of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 6 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 2 parts of vinylformic acid |
| Component (f) | 10 parts of polyhutadiene A with terminal carboxyl(group) |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 3500mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00 50, haze value:＜0.5%, and transparence:＞99%.
Embodiment 11
According to following formulated binder composition:
| Component (a) | 24 parts of aliphatic polyether oligourethane A with the acryloyl-oxy group |
| Component (b) | 24 parts of origoester acrylate B |
| Component (c) | 36 parts of lauryl acrylates |
| Component (d) | 3 parts of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 10 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 3 parts of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The compound method of binder composition is with embodiment 1.
The viscosity of the binder composition that obtains is approximately 2500mPa.s/25 ℃, and the Shore A hardness after the curing is Shore A 25, haze value:＜1.0%, and transparence:＞99%.
Comparative Examples 1
According to following formulated binder composition:
| Component (a) | 30 parts of aliphatic polyether oligourethane D with the acryloyl-oxy group |
| Component (a) | 38 parts of aliphatic polyether oligourethane E with the acryloyl-oxy group |
| Component (c) | 20 parts of lauryl acrylates |
| Component (c) | 7 parts of isobornyl acrylate |
| Component (d) | 1 part of 1-hydroxy-cyclohexyl benzophenone |
| Component (e) | 3 parts of methacrylic acid 2-hydroxypropyl acrylates |
| Component (e) | 1 part of vinylformic acid |
All umbers are weight parts, based on the binder composition of 100 weight parts.
The viscosity of the binder composition that obtains is approximately 3500mPa.s/25 ℃, and the Sh00 hardness after the curing is Sh00＞80, haze value:＞5.0%, and transparence:＜90%.
Can be seen by above-described embodiment and Comparative Examples, binder composition of the present invention has aliphatic polyether oligourethane or the origoester acrylate with (methyl) acryloyl-oxy group of low Tg and low functionality by use, obtained after the curing from the hardness of shore 00 10 to shore A 40, thus when being applied between the substrate, can reduce by tackiness agent being incorporated into stress between the bonded substrate, thereby keep the bonding between the substrate; In addition, binder composition of the present invention has excellent optical transparence after curing.
The above is described in detail the present invention in conjunction with specific embodiments of the present invention, but for a person skilled in the art, obviously can be in the situation that do not break away from essence of the present invention it made various changes and modifications, the technical scheme of all these type of variations and modification should be thought within the scope of claims of all falling into the application.
Claims (13)
1. optically transparent binder composition of liquid state, its comprise following component (a) and (b) at least a:
(a) one or more aliphatic polyether oligourethanes with (methyl) acryloyl-oxy group of .10～80 part;
(b) one or more (methyl) origoester acrylates of .10～80 part;
Comprise in addition:
(c) one or more (methyl) acrylate monomer or oligopolymer without functional group of .1～42 part;
(d) one or more light triggers of .0.5～5 part;
(e) .0～30 part be selected from (methyl) acrylamide, (methyl) vinylformic acid and with one or more monomers in (methyl) acrylate monomer of functional group; With
(f) one or more liquid plasticizers of .0～20 part;
Above-mentioned umber is weight part, is based on the described binder composition of 100 weight parts.
2. the optically transparent binder composition of liquid state as claimed in claim 1, wherein, component (a) with the average functionality of (methyl) acryloxy of the aliphatic polyether oligourethane of (methyl) acryloyl-oxy group greater than 0 less than or equal to 2, be preferably 0.5～1.5; The Tg of component (a) is-80～0 ℃, is preferably-50～0 ℃.
3. the optically transparent binder composition of liquid state as claimed in claim 1 or 2, wherein component (a) is 5000～60000mPa.s 50 ℃ brookfield viscosity, be preferably 20000～55000mPa.s, be 5000～50000mPa.s 60 ℃ brookfield viscosity perhaps, be preferably 9000～40000mPa.s, be 10000～80000mPa.s 25 ℃ brookfield viscosity perhaps, be preferably 20000～70000mPa.s.
4. such as the optically transparent binder composition of each described liquid state of claim 1～3, wherein the average functionality of (methyl) acryloxy of (methyl) origoester acrylate of component (b) is preferably 0.5～2 greater than 0 less than or equal to 2; The Tg of component (b) is-80～0 ℃, is preferably-60～-10 ℃.
5. such as the optically transparent binder composition of each described liquid state of claim 1～4, wherein (methyl) origoester acrylate of component (b) is 10000～50000mPa.s 25 ℃ brookfield viscosity, is preferably 20000～40000mPa.s.
6. such as the optically transparent binder composition of each described liquid state of claim 1～5, wherein (methyl) acrylate monomer without functional group of component (c) is selected from (methyl) alkyl acrylate, (methyl) vinylformic acid alkenyl esters and (methyl) vinylformic acid heterocyclic radical ester; Wherein, described alkyl is that carbonatoms is 1～20, preferred 1～10 alkyl, and described alkyl is optional to have one or more substituting groups, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy and carbonatoms are 2～10 epoxy group(ing) that described substituting group is selected from carbonatoms; Described thiazolinyl is that carbonatoms is 2～20, preferred 2～10 thiazolinyl, and described thiazolinyl is optional to have a substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy and carbonatoms are 2～10 epoxy group(ing) that described substituting group is selected from carbonatoms; Described heterocyclic radical is that carbonatoms is 2～20, preferred 2～10 heterocyclic radical, wherein heteroatoms is selected from nitrogen and oxygen, and described heterocyclic radical is optional to have a substituting group, and it is that 1～10 alkyl, carbonatoms are that 1～10 alkoxyl group, carbonatoms are that 6～10 aryloxy and carbonatoms are 2～10 epoxy group(ing) that described substituting group is selected from carbonatoms; Component (c) is to be selected from the above-mentioned monomer one or more, or in the oligopolymer that is obtained by above-mentioned monomer polymerization one or more, less than 1000mPa.S, weight-average molecular weight is-80～100 ℃ less than 2000, Tg to described oligopolymer 50 ℃ brookfield viscosity.
7. the optically transparent binder composition of liquid state as claimed in claim 6, wherein component (c) is to be selected from the following material one or more: (methyl) methyl acrylate, (methyl) ethyl propenoate, the mono acrylic ester oligopolymer of molecular weight Mw＜2000, the mono acrylic ester oligopolymer that contains urea or ammonia ester structure of molecular weight Mw＜2000, vinylformic acid 2 (2-ethoxy ethoxy) ethyl ester, the tetrahydrofuran base acrylate, lauryl acrylate, Isooctyl acrylate monomer, isodecyl acrylate, vinylformic acid 2-ethyl ester, vinylformic acid 2-phenoxy ethyl, (methyl) isobornyl acrylate, methacrylic acid dicyclopentenyl oxygen base ethyl ester, methacrylic acid dicyclopentadienyl ester and their combination.
8. such as the optically transparent binder composition of each described liquid state of claim 1～7, wherein the light trigger of component (d) is selected from one or more in the following material: 2,2-dimethoxy-1,2-diphenylethane-1-ketone, trimethylbenzoyl diphenylphosphine oxide compound, 1-hydroxy-cyclohexyl benzophenone, 2-methyl isophthalic acid-[4-(methyl sulphur) phenyl]-2-morpholine propane-1-ketone and their combination; Wherein preferred 2,2-dimethoxy-1,2-diphenylethane-1-ketone and 1-hydroxy-cyclohexyl benzophenone.
9. such as the optically transparent binder composition of each described liquid state of claim 1～8, wherein component (e) is to be selected from (methyl) acrylamide that (methyl) acrylamide, alkyl replace, (methyl) vinylformic acid and with one or more monomers in (methyl) alkyl acrylate of the functional group that is selected from hydroxyl, amino and carboxyl, alkyl wherein is the aromatic alkyl that has the aliphatic alkyl of 1～20 carbon atom or have 6～20 carbon atoms.
10. the optically transparent binder composition of liquid state as claimed in claim 9, wherein component (e) is selected from (methyl) acrylamide, N-ethyl (methyl) acrylamide, N-octyl group (methyl) acrylamide, N, N-dimethyl (methyl) acrylamide, N, N-diethyl (methyl) acrylamide, (methyl) vinylformic acid, (methyl) vinylformic acid 2-hydroxyl ethyl ester, (methyl) vinylformic acid 2-hydroxypropyl acrylate, (methyl) vinylformic acid 2 (4)-hydroxy butyl esters and their combination.
11. such as the optically transparent binder composition of each described liquid state of claim 1～10, wherein to be selected from weight-average molecular weight be 1000～8000 do not replace or polyisoprene, polyhutadiene or the polybutene rubbers of carboxyl substituted less than 8000 terpine resin, weight-average molecular weight to the liquid plasticizer of component (f), and preferable weight-average molecular weight is 1000～8000 the polyhutadiene with terminal carboxyl(group).
12. such as the optically transparent binder composition of each described liquid state of claim 1～11, described binder composition is 100～15000mPa.s 25 ℃ Shandong gram Field viscosity, preferred 700～11000mPa.s not, durometer level after the curing is shore 00 10 to shore A 40, and transmittance is greater than 90%.
13. the purposes such as the optically transparent binder composition of each described liquid state of claim 1～12, be used for bonding or laminated various substrate, bonding or laminated especially between the assembling between the printing opacity component or the light-transparent substrate and between light-transparent substrate and the light tight substrate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102110905A CN102898957A (en) | 2011-07-25 | 2011-07-25 | Optically-transparent liquid adhesive composition and its use |
| TW101121476A TW201305301A (en) | 2011-07-25 | 2012-06-15 | Optically clear liquid adhesive composition and the use thereof |
| PCT/CN2012/078825 WO2013013590A1 (en) | 2011-07-25 | 2012-07-18 | Optically clear liquid adhesive composition and the use thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102110905A CN102898957A (en) | 2011-07-25 | 2011-07-25 | Optically-transparent liquid adhesive composition and its use |
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| CN102898957A true CN102898957A (en) | 2013-01-30 |
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| CN2011102110905A Pending CN102898957A (en) | 2011-07-25 | 2011-07-25 | Optically-transparent liquid adhesive composition and its use |
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| CN (1) | CN102898957A (en) |
| TW (1) | TW201305301A (en) |
| WO (1) | WO2013013590A1 (en) |
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| US6596787B1 (en) * | 2001-02-02 | 2003-07-22 | Henkel Loctite Corporation | Non-yellowing fast cure speed UV\visible curable liquid acrylic ester adhesives for glass bonding |
| JP2002256228A (en) * | 2001-03-01 | 2002-09-11 | Nippon Kayaku Co Ltd | Adhesive composition for optical disk, cured material and article |
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2011
- 2011-07-25 CN CN2011102110905A patent/CN102898957A/en active Pending
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- 2012-06-15 TW TW101121476A patent/TW201305301A/en unknown
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| CN115197664A (en) * | 2022-08-01 | 2022-10-18 | 业成科技（成都）有限公司 | Optical adhesive composition, optical adhesive film and method for producing optical adhesive film |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013013590A1 (en) | 2013-01-31 |
| TW201305301A (en) | 2013-02-01 |
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