申请人:Nippon Oil and Fats Co., Ltd.
公开号:US05004780A1
公开(公告)日:1991-04-02
A novel cyclic monoperoxyketal represented by the following general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen atoms, or same or different alkyl groups having 1-3 carbon atoms, R.sup.4 represents an alkyl group having 1-5 carbon atoms, R.sup.5 represents an alkyl group having 1-3 carbon atoms, and R.sup.6 and R.sup.7 may be separate groups, in which R.sup.6 represents an alkyl group having 1-3 carbon atoms and R.sup.7 represents an alkyl group having 2-10 carbon atoms, a cycloalkyl group or an aryl group, or may be combined into a cylcoalkylene group having 3-12 carbon atoms, has high stability and excellent decomposition property, and is useful as a polymerization initiator of unsaturated monomers and as a curing agent of unsaturated polyester resin.
以下是翻译结果:
一种新型的环式单过氧基环戊酮,其通式如下:##STR1##其中,R.sup.1、R.sup.2和R.sup.3代表氢原子,或者是1-3个碳原子的相同或不同的烷基基团,R.sup.4代表有1-5个碳原子的烷基基团,R.sup.5代表有1-3个碳原子的烷基基团,而R.sup.6和R.sup.7可以是分离的基团,其中R.sup.6代表有1-3个碳原子的烷基基团,而R.sup.7代表有2-10个碳原子的烷基基团、环烷基团或芳基团,或者可以结合成有3-12个碳原子的环烷基烷基基团。该单过氧基环戊酮具有高稳定性和优异的分解性能,可用作不饱和单体的聚合引发剂和不饱和聚酯树脂的固化剂。