Acrylic resin composition, acrylic adhesive, adhesive sheet, double-sided adhesive sheet, adhesive for transparent electrodes, touch-panel and image display device, as well as production method for adhesive layer-containing laminates

丙烯酸系树脂组合物、丙烯酸系粘合剂、粘合片、双面粘合片、透明电极用粘合剂、触摸面板和图像显示装置以及含粘合剂层层叠体的制造方法

Abstract

本发明提供了用于制造可厚涂涂布的、且可获得漂亮涂膜表面的粘合剂层的活性能量射线固化型的溶剂型丙烯酸系粘合剂的丙烯酸系树脂组合物。该丙烯酸系树脂组合物的特征在于,其含有丙烯酸系树脂(A)、有机溶剂(B)和具有一个烯属不饱和基团的烯属不饱和化合物(C),丙烯酸系树脂(A)与具有一个烯属不饱和基团的烯属不饱和化合物(C)的含有比例(重量比)为(A)∶(C)=10∶90~75∶25,其中,将有机溶剂(B)的闪点(℃)设为Bf.p.,将具有一个烯属不饱和基团的烯属不饱和化合物(C)的闪点(℃)设为Cf.p.时,Cf.p.高于Bf.p.,且Cf.p.与Bf.p.之差为50℃以上。
Provided is an acrylic resin composition used for producing radiation-curable solvent-based acrylic adhesives capable of thick coating and of obtaining adhesive layers with a beautiful coating surface. The acrylic resin composition is characterized in: containing an acrylic resin (A), an organic solvent (B), and an ethylenic unsaturated compound (C) containing one ethylenic unsaturated group; the proportion contained (weight ratio) of the acrylic resin (A) and the ethylenic unsaturated compound containing one ethylenic unsaturated group (C) being (A):(C)=10:90 to 75:25; and when the flash point ( DEG C) of the organic solvent (B) is Bf.p. and the flash point ( DEG C) of the ethylenic unsaturated compound with one ethylenic unsaturated group (C) is Cf.p., Cf.p. being higher than Bf.p. and the difference between Cf.p. and Bf.p. being 50 DEG C or more.

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Patent Citations (1)

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    CN-103403119-ANovember 20, 2013日立化成株式会社Adhesive sheet for image display device, image display device, and adhesive resin composition
    CN-103403119-BJanuary 13, 2016日立化成株式会社图像显示装置用粘着片、图像显示装置以及粘着性树脂组合物
    CN-105368337-AMarch 02, 2016无锡拓能自动化科技有限公司Bonding adhesive tape for thin-film sensor and preparation method for bonding adhesive tape