Peroxyketals of the formula
wherein R' represents a tert. alkyl group having 4-12 carbon atoms and R2 a branched or a nonbranched alkyl group having 1-12 carbon atoms or a substituted or unsubstituted cycloalkyl group having 5-12 carbon atoms; their preparation from R'OOH and alkoxyacetones; their use in chemical reactions under the influence of free radicals, more particularly in curing unsaturated polyester resin moulding compounds; and the mouldings obtained.
式中的过氧酮
其中 R' 代表具有 4-12 个碳原子的叔烷基,R2 代表具有 1-12 个碳原子的支链或非支链烷基或具有 5-12 个碳原子的取代或未取代环烷基;从 R'OOH 和烷氧基
丙酮中制备它们;它们在自由基影响下的
化学反应中的用途,特别是在固化不饱和聚酯
树脂模塑化合物中的用途;以及获得的模塑物。