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Photocurable resin composition for laminating optically functional material

A resin composition and light-curing technology, applied in the direction of non-polymer organic compound adhesives, adhesive types, graft polymer adhesives, etc., can solve the problem of peeling of the adhesive surface, LCD display spots, LCD problems such as rupture

Active Publication Date: 2011-08-03
KYORITSU KAGAKU SANGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of suppressing this deformation with a conventional adhesive (for example, Patent Document 1), there are problems of peeling of the adhesive surface, cracking of the LCD, or display spots of the LCD

Method used

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  • Photocurable resin composition for laminating optically functional material
  • Photocurable resin composition for laminating optically functional material
  • Photocurable resin composition for laminating optically functional material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] The components shown in Tables 1 and 2 were mixed in the amounts (parts by mass) shown in Tables 1 and 2 to obtain the photocurable resin compositions of Examples A to I.

[0082] Table 1

[0083]

[0084] Table 2

[0085]

[0086] UC-1: polyisoprene methacrylate oligomer (molecular weight 25000)

[0087] QM657: Dihydrodicyclopentadienyloxyethyl methacrylate

[0088] LA: lauryl acrylate

[0089] CH: cyclohexyl methacrylate

[0090] PO: Phenoxyethyl methacrylate

[0091] AMP-20GY: Phenoxypolyethylene glycol acrylate

[0092] 702A: 2-Hydroxy-3-phenoxypropyl acrylate

[0093] THF: tetrahydrofurfuryl methacrylate

[0094] NP-4EA: Nonylphenol EO Adduct Acrylate

[0095] MTG-A: Methoxytriethylene glycol acrylate

[0096] Lucirin TPO: 2,4,6-Trimethylbenzoylphenylethoxyphosphine oxide

[0097] Irgacure 184: 1-Hydroxycyclohexyl phenyl ketone

[0098] Polyoil 110: liquid polybutadiene

[0099] L-LIR: Liquid Polyisoprene

[0100] Irganox 1010: Pentaerythritol tetr...

Embodiment 2

[0118] The components shown in Table 6 were mixed in the quantities shown in Table 6 to obtain photocurable resin compositions of Examples A2 to H2.

[0119]

[0120] UC-1: polyisoprene methacrylate oligomer (molecular weight 25000)

[0121] HOB: 2-Hydroxybutyl methacrylate

[0122] QM657: Dihydrodicyclopentadienyloxyethyl methacrylate

[0123] BZ: benzyl methacrylate

[0124] Karenz PE-1: Pentaerythritol tetrakis (3-mercaptobutyrate)

[0125] TMMP: Trimethylolpropane tris(3-mercaptopropionate)

[0126] LucirinTPO: 2,4,6-Trimethylbenzoylphenylethoxyphosphine oxide

[0127] Irgacure 184: 1-Hydroxycyclohexyl phenyl ketone

[0128] Polyoil 110: liquid polybutadiene

[0129] L-LIR: Liquid Polyisoprene

[0130] Irganox 1010: Pentaerythritol tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]

[0131] Irganox 1520L: 4,6-bis(octylthiomethyl) o-cresol

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Abstract

Disclosed is a photocurable adhesive composition which, in the lamination of a decorated plate or an icon sheet on a touch panel or in the lamination of a transparent substrate with a transparent electrode formed thereon on a transparent plate in an electrostatic capacitive touch panel, can impart satisfactory adhesive properties and can realize the lamination without incorporating air bubbles. Also disclosed is a photocurable resin composition for use in the lamination of a display and an optically functional material on each other, which, when a display is laminated on an optically functional material, does not cause the delamination of a bonded surface or the breaking of a glass in the display. The photocurable adhesive composition comprises (A) a (meth)acrylate oligomer having a polyisoprene, polybutadiene, or polyurethane skeleton, (B) a softening component, and optionally (C) (C1) a (meth)acrylate monomer selected from phenoxyethyl(meth)acrylate, phenoxy polyethylene glycol(meth)acrylate, 2-hydroxy-3-phenoxypropyl(meth)acrylate, and cyclohexyl(meth)acrylate, (C2) or a thiol compound. The photocurable resin composition can provide a cured product having a modulus of elasticity and an elongation at break both of which fall within given ranges.

Description

technical field [0001] The invention relates to a photocurable adhesive composition for bonding touch panels, which contains (meth)acrylate oligomers with polyisoprene, polybutadiene or polyurethane on the skeleton and softening components; It relates to a photocurable adhesive composition, which contains the (meth)acrylate oligomer, a softening component and a specific (meth)acrylate monomer or thiol compound, and its cured product has a specific elastic modulus and elongation at break; and a touch panel or a display panel pasted with the above photocurable adhesive composition. Background technique [0002] There are resistive film type, electrostatic capacitive type, electromagnetic induction type, optical type, and the like for touch panels mounted on displays such as LCDs. On these touch panels, a decorative plate for improving the appearance design or an icon sheet (ァイコンシート) for designating a touch position may be pasted. In addition, the capacitive touch panel has a...

Claims

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Application Information

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IPC IPC(8): C09J4/02C08F290/00C09J11/06C09J11/08
CPCC09J4/00C09J151/04C08F290/00C09J151/08C09J151/003C08F283/006C08F283/00C08F279/02C08L2666/02
Inventor 片上英治
Owner KYORITSU KAGAKU SANGYO KK
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