PHOTOSENSITIVE RESIN COMPOSITION, CURED PHOTOSENSITIVE RESIN PRODUCT, PHOTOSENSITIVE RESIN FILM, CURED PHOTOSENSITIVE RESIN FILM PRODUCT, AND OPTICAL WAVEGUIDE PRODUCED BY USING THOSE PRODUCTS
申请人:Hitachi Chemical Company, Ltd.
公开号:EP2182410A1
公开(公告)日:2010-05-05
Provided are a photosensitive resin composition which is soluble in an alkaline aqueous solution and which has a good propagation loss in a visible light wavelength region, a photosensitive resin cured matter, a photosensitive resin film, a photosensitive resin film cured matter and an optical waveguide obtained by using the same.
Provided are, to be specific, a photosensitive resin composition comprising (A) a vinyl polymer having at least one chain-polymerizable functional group in a molecule, (B) a polymerizable compound and (C) a polymerization initiator, wherein the component (C) is at least one selected from the group consisting of 2-[2-oxo-2-phenylacetoxyethoxy]ethyl oxyphenylacetate, 2-(2-hydroxyethoxy)ethyl oxyphenylacetate and oligo2-hyroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]}propanone, a photosensitive resin cured matter, a photosensitive resin film, a photosensitive resin film cured matter and an optical waveguide obtained by using the same.
本发明提供了一种可溶于碱性水溶液且在可见光波长区域具有良好传播损耗的光敏树脂组合物、光敏树脂固化物、光敏树脂薄膜、光敏树脂薄膜固化物以及使用该组合物获得的光波导。
具体地说,提供了一种光敏树脂组合物,该组合物包含(A)分子中至少有一个可链聚官能团的乙烯基聚合物,(B)可聚合化合物和(C)聚合引发剂,其中组分(C)至少选自由 2-[2-氧代-2-苯乙酰氧基乙氧基]氧代苯乙酸乙酯组成的组中的一种、2-(2-羟基乙氧基)乙基氧苯乙酸酯和低聚2-羟基-2-甲基-1-[4-(1-甲基乙烯基)苯基]}丙酮、光敏树脂固化物、光敏树脂薄膜、光敏树脂薄膜固化物和光导波导中的至少一种。