PHOTOCURABLE RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a photocurable resin composition which is a photocurable resin used for an image displaying display or the like, exhibits good adhesiveness in laminating an image display body and a plastic cover panel and causes no floating.SOLUTION: There is provided a photocurable...

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1. Verfasser: MIZUMA KENTA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a photocurable resin composition which is a photocurable resin used for an image displaying display or the like, exhibits good adhesiveness in laminating an image display body and a plastic cover panel and causes no floating.SOLUTION: There is provided a photocurable resin composition which comprises: (A) a compound having a weight average molecular weight of 10000 to 100000 and a (meth)acryl group having a hydrogenated polybutadiene skeleton; (B) a monofunctional (meth)acrylic acid ester monomer having a hydroxyl group; (C) an alicyclic monofunctional (meth)acrylic acid ester monomer having no hydroxyl group; and (D) a photopolymerization initiator, wherein the content of the (A) to the whole composition is 30 to 45 wt.%, the content of the (B) is 10 to 25 wt.% and the content of the (C) is 25 to 42 wt.%.SELECTED DRAWING: None 【課題】画像表示ディスプレイ等に使用される光硬化性樹脂で、画像表示体とプラスチック製カバーパネルとの貼り合わせにおいて良好な密着性を示し、浮きが発生し無い透明樹脂組成物を提供する。【解決手段】重量平均分子量が10,000〜100,000の水素添加したポリブタジエン骨格を持つ(メタ)アクリル基を有する化合物(A)と、水酸基を有する単官能(メタ)アクリル酸エステルモノマー(B)と、水酸基を有さない脂環式の単官能(メタ)アクリル酸エステルモノマー(C)と、光重合開始剤(D)と、を含み、組成物全体に対する前記(A)含有量が30〜45重量%で、前記(B)の含有量が10〜25重量%で、前記(C)の含有量が25〜42重量%である光硬化性樹脂組成物である。【選択図】なし