A novel siloxane polymer having at least 1 mol% of a structural unit derived from a cyclic heat addition product between a diene compound of formula (I) or (II) and an olefin or acetylene compound of formula (III), (IV) or (V):
and a positive working light-sensitive composition comprising the siloxane polymer.
一种新型
硅氧烷聚合物,其结构单元至少有 1 摩尔%来自式(I)或(II)的二烯化合物与式(III)、(IV)或(V)的烯烃或
乙炔化合物之间的环状热加成产物:
以及一种包含该
硅氧烷聚合物的正工作光敏组合物。