申请人:Sankyo Company, Limited
公开号:US04237294A1
公开(公告)日:1980-12-02
2,2,6,6-Tetramethylpiperidine derivatives having the formula ##STR1## wherein: X represents a group of formula ##STR2## R represents a hydrogen atom, methyl group, ethyl group, phenoxymethyl group or phenyl group; R' represents a methyl group or ethyl group; and m represents 0, 1 or 2, are excellent stabilizers for synthetic polymers.
具有以下公式的2,2,6,6-四甲基哌啶衍生物 ##STR1## 其中:X代表以下公式的基团 ##STR2## R代表氢原子,甲基基团,乙基基团,苯氧甲基基团或苯基团;R'代表甲基基团或乙基基团;m代表0,1或2,是合成聚合物的优秀稳定剂。