A photopolymerizable composition comprises: (i) a polymerizable compound carrying an addition-polymerizable unsaturated bond; (ii) a methine compound; (iii) at least one compound selected from the group consisting of: (a) compounds having carbon-halogen bonds, (b) aromatic onium salts, (c) organic peroxides, (d) thio compounds, (e) hexaarylbiimidazoles, (f) ketooxime esters, and (g) compounds represented by the following general formula (III):
wherein R⁶, R⁷, R⁸ and R⁹ may be the same or different and each represents a substituted or unsubstituted alkyl, aryl, alkenyl, alkynyl or heterocyclic group, provided that at least two of R⁶, R⁷, R⁸ and R⁹ may be bonded together to form a ring structure and that at least one of them represents an alkyl group; and
Z ⁺ represents an alkali metal cation or a quaternary ammonium cation. The composition has a high sensitivity to a wide range of actinic light rays extending from ultraviolet to visible light.
一种可光聚合的组合物包括:(i) 含有可加成聚合的不饱和键的可聚合化合物;(ii) 甲 烷化合物;(iii) 至少一种选自以下组别的化合物:(a) 具有碳-卤键的化合物;(b) 芳香族 鎓盐;(c) 有机过氧化物;(d)
硫代化合物;(e) 六芳基
咪唑;(f) 酮
肟酯和 (g) 下述通式 (III) 所代表的化合物:
其中 R⁶、R⁷、R⁸ 和 R𠞙 可以相同或不同,且各自代表取代或未取代的烷基、芳基、烯基、炔基或杂环基团,条件是 R⁶、R⁷、R⁸ 和 R𠞙 中至少有两个可键合在一起形成环结构,且其中至少有一个代表烷基;和
Z ⁺代表碱
金属阳离子或季
铵盐阳离子。该组合物对从紫外线到可见光的各种放电光线具有高灵敏度。