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PSA sheet for conductive member, conductive member laminate, and image display device

A conductive member, adhesive sheet technology, applied in synthetic resin layered products, film/sheet adhesives, non-polymer adhesive additives, etc. and other problems, to achieve the effect of good curing characteristics, foam resistance and reliability curing characteristics

Active Publication Date: 2021-01-29
MITSUBISHI CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The transparent conductive layer and the conductive pattern are easily corroded, and under high temperature and humid environments, corrosion occurs due to outgassing of the adhesive material, acid components derived from eluted components, etc., and there is a risk of circuit breakage in some cases.

Method used

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  • PSA sheet for conductive member, conductive member laminate, and image display device
  • PSA sheet for conductive member, conductive member laminate, and image display device
  • PSA sheet for conductive member, conductive member laminate, and image display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0170] To 1 kg of (meth)acrylic (co)polymer (A-1), 3 g of 1,2,3-triazole (manufactured by Otsuka Chemical Co., Ltd.) 15 g of a mixture of 4-methylbenzophenone and 2,4,6-trimethylbenzophenone (manufactured by Lamberti, trade name "Esacure TZT") were uniformly mixed to obtain a resin composition for an adhesive layer. things.

[0171] Two sheets of polyethylene terephthalate films (manufactured by Mitsubishi Plastics, Inc., trade name "Diafoil MRV", thickness 100 µm and Mitsubishi Plastics, Inc., trade name "Diafoil MRQ", thickness 75 μm) sandwiched the resin composition for an adhesive layer, and shaped into a sheet shape so that the thickness of the adhesive sheet became 150 μm, thereby producing an adhesive sheet laminate. The following various evaluations were performed on the pressure-sensitive adhesive sheet laminate. The results are shown in Table 1.

Embodiment 1-2

[0173] Add 3 g of 1,2,3-triazole as a metal corrosion inhibitor and propoxylated pentaerythritol as a crosslinking agent to 1 kg of (meth)acrylic (co)polymer (A-2) Triacrylate (Shin Nakamura Industry Co., Ltd., trade name "ATM-4PL") 20 g, a mixture of 4-methylbenzophenone and 2,4,6-trimethylbenzophenone as a photopolymerization initiator (The Lamberti company make, brand name "Esacure TZT") 15g was uniformly mixed, and the resin composition for adhesive layers was obtained.

[0174] Next, the aforementioned resin composition for an adhesive layer was made to have a thickness of 150 μm on a peeled polyethylene terephthalate film (manufactured by Mitsubishi Plastics, Inc., trade name “Diafoil MRV”, thickness 100 μm). After being formed into a sheet by the above-mentioned method, a peeled polyethylene terephthalate film (manufactured by Mitsubishi Plastics, Inc., trade name "Diafoil MRQ", thickness 75 μm) was covered to prepare an adhesive sheet laminate. The following various e...

Embodiment 1-3

[0176] Except having used 5 g of 1,2,3-triazole which is a metal corrosion inhibitor, it carried out similarly to Example 1-2, and produced the adhesive sheet laminated body. The following various evaluations were performed on the pressure-sensitive adhesive sheet laminate. The results are shown in Table 1.

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Abstract

To provide a pressure-sensitive adhesive sheet for a conductive member, a conductive member laminate, and an image display device that do not corrode a conductive member, for example, a transparent conductive layer, have foaming resistance reliability, and good curing properties. In particular, to provide an adhesive for conductive members suitable for laminating conductive members such as transparent conductive layers in image display devices using image display panels such as plasma displays (PDP), liquid crystal displays (LCD), and organic EL displays (OLEDs). Composite. The adhesive sheet for conductive members has an adhesive layer formed of an adhesive composition containing a (meth)acrylic copolymer and 1,2,3-triazole.

Description

technical field [0001] The present invention relates to an adhesive sheet for a conductive member, a conductive member laminate using the same, and the like. In particular, it relates to an image display device using an image display panel such as a plasma display (PDP), a liquid crystal display (LCD), an organic EL display (OLED), an inorganic EL display, an electrophoretic display (EPD), an interference modulation display (IMOD), etc. Adhesive sheets for conductive members suitable for bonding conductive members such as transparent conductive layers, etc. Background technique [0002] In image display devices such as personal computers, mobile terminals (PDAs), game consoles, televisions (TVs), car navigation systems, touch panels, pen tablets, etc., such as plasma displays (PDPs), liquid crystal displays (LCDs) , organic EL display (OLED), inorganic EL display, electrophoretic display (EPD), interference modulation display (IMOD) and other flat or curved image display de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/10B32B27/00B32B27/18B32B27/30C09J4/00C09J4/06C09J11/06C09J133/00G02F1/1333
CPCB32B27/00B32B27/18B32B27/30C09J4/00C09J4/06C09J11/06C09J133/00G02F1/1333C09J7/20C09J7/10C09J7/00B32B27/308B32B2457/20B32B2307/202
Inventor 山本亮太新美嘉穗儿吉川秀次郎稻永诚内田贵久
Owner MITSUBISHI CHEM CORP