An initiator compound comprising an aryl or heteroaryl thioacetal including a substituent defined by the formula
where x is an integer from 1 to about 5, y is an integer from 1 to about 5, the sum of x and y is from about 3 to about 6, α is carbon, sulfur, oxygen, silicon, or an amino group, and each R
1
is individually hydrogen or a monovalent organic group or where two or more R
1
groups may join to form one or more rings.
一种
引发剂化合物,包括含有芳基或杂芳基
硫代
缩醛的取代基,所述取代基由以下公式定义:
其中x为1到约5的整数,y为1到约5的整数,x和y的和为约3到约6,α为碳、
硫、氧、
硅或
氨基,每个R1为氢或一价有机基团,或者两个或更多的R1基团可以连接形成一个或多个环。