申请人:Ciba-Geigy Corporation
公开号:US03944594A1
公开(公告)日:1976-03-16
Compounds of the formula: ##EQU1## WHEREIN X is oxygen or sulfur, a is an integer from 2 to 6, b is an integer from 3 to 40, and R is ##SPC1## Wherein R.sub.1 is an alkyl group of 1 to 8 carbon atoms, R.sub.2 is hydrogen or an alkyl group of 1 to 8 carbon atoms, and X is an integer from 0 to 6 Are useful as antioxidants for organic materials normally subject to oxidative deterioration, such as polyacetals, polypropylene, and nylon, in amounts of from about 0.005 to about 5% by weight of the composition.
公式化合物:##EQU1## 其中X为氧或硫,a为2到6的整数,b为3到40的整数,R为##SPC1## 其中R.sub.1为1到8个碳原子的烷基基团,R.sub.2为氢或1到8个碳原子的烷基基团,X为0到6的整数,可用作有机材料的抗氧化剂,通常容易氧化降解,如聚乙醛、聚丙烯和尼龙,用量约为组成物的重量的0.005%到5%。