A photosensitive resin composition comprising (a) 10 to 90 parts by weight of at least one polymerizable monomer of the formula:
(R is defined in the specification), (b) 90 to 10 parts by weight of at least one compound selected from the group consisting of epoxy-acrylate resins, 1,2-polybutadiene resins, polyester resins and organopolysiloxanes, all having one or more acryloyloxy or methacryloyloxy groups in their molecular end or ends, and (c) 0.05 to 5 parts by weight of a photosensitizer based on 100 parts by weight of the sum of the components (a) and (b) shows slight shrinkage and the resulting coating film is good in adhesive properties and mechanical strength.
                            一种光敏
树脂组合物,包括 (a) 10 至 90 份(按重量计)至少一种式中可聚合单体:
(R的定义见说明书),(b)90至10份(重量)至少一种选自环氧
丙烯酸酯
树脂、1,2-聚
丁二烯树脂、聚酯
树脂和有机聚
硅氧烷组成的组的化合物,它们都在其分子末端或末端具有一个或多个
丙烯酰氧基或甲基
丙烯酰氧基,和(c)0.05 至 5 份(以 100 份(重量)组分(a)和(b)之和为基准)的光敏剂,涂膜会出现轻微收缩,且涂膜具有良好的粘合性能和机械强度。