PHOTOCURABLE SILICONE RESIN COMPOSITION AND SILICONE RESIN MOLDING OBTAINED BY CURING THE SAME, AND METHOD FOR MANUFACTURING THE MOLDING

To provide a photocurable silicone resin composition which can give a molding that has high pencil hardness, and is excellent in scratch resistance and bending resistance, and a silicone resin molding that is a three-dimensional crosslinked body obtained by curing the same.SOLUTION: A photocurable silicone resin composition is obtained by blending a reactive silicone resin (A), a polyfunctional alkylene oxide-modified unsaturated compound (B) that contains at least two unsaturated groups represented by -R3-CR4=CH2 or -CR4=CH2 in one molecule, in the formula, R3 represents an alkylene group, an alkylidene group or a -O-C(=O)- group, and R4 represents a hydrogen atom or an alkyl group, and further has an alkylene oxide-modified part, and a polyfunctional unsaturated compound (C) that contains the two or more unsaturated groups in one molecule and does not contain an alkylene oxide-modified part in a mass ratio of 1 to 50:10 to 40:10 to 80.SELECTED DRAWING: None 【課題】本発明は高い鉛筆硬度、耐擦傷性及び耐屈曲性に優れた成型体を得ることができる光硬化性シリコーン樹脂組成物、及びこれを硬化させて得られた三次元架橋体であるシリコーン樹脂成型体を提供する。【解決手段】反応性シリコーン樹脂（Ａ）と、１分子中に－Ｒ３－ＣＲ４＝ＣＨ２又は－ＣＲ４＝ＣＨ２〔但し、Ｒ３はアルキレン基、アルキリデン基又は－Ｏ－Ｃ（＝Ｏ）－基を示し、Ｒ４は水素原子又はアルキル基を示す〕で表される不飽和基を少なくとも２個含み、さらにアルキレンオキシド変性部位を有する多官能アルキレンオキシド変性不飽和化合物（Ｂ）と、１分子中に前記の不飽和基を２個以上含み、アルキレンオキシド変性部位を含まない多官能不飽和化合物（Ｃ）とを、１～５０：１０～４０：１０～８０の質量割合で配合したことを特徴とする光硬化性シリコーン樹脂組成物。【選択図】なし