申请人:Sankyo Company, Limited
公开号:US05739377A1
公开(公告)日:1998-04-14
Compounds of formula (I): ##STR1## wherein: R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms; R.sup.2 represents an alkyl group having from 8 to 24 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; k is 0 or an integer from 1 to 10; and m is an integer from 1 to 4; provided that the total of (k+m) is greater than 1 and not greater than 10; are useful as antioxidant stabilizers for polymeric materials.
式(I)的化合物:##STR1##其中:R.sup.1代表具有1至6个碳原子的烷基基团;R.sup.2代表具有8至24个碳原子的烷基基团;EO代表乙烯氧基团;PO代表丙烯氧基团;k为0或1至10的整数;m为1至4的整数;前提是(k+m)的总和大于1且不大于10;可用作聚合材料的抗氧化稳定剂。