The invention relates to an initiator system comprising (a) an iodonium salt, (b) a light sensitizer and (c) an electron donor compound comprising a biphenylene structure, the biphenylene structure comprising at least one but not more than about 4 alkyl groups. The invention also relates to a hardenable composition comprising such an initiator system and the use thereof, as well as to a process for producing the substituted biphenylene compound.
本发明涉及一种
引发剂系统,包括(a)
碘鎓盐,(b)光敏剂和(c)电子给体化合物,该化合物包括一个二苯基结构,该二苯基结构包括至少一个但不超过约4个烷基基团。本发明还涉及一种可硬化组合物,包括这样的
引发剂系统和其使用,以及生产取代二苯基化合物的方法。