申请人:Ciba-Geigy Corporation
公开号:US05021491A1
公开(公告)日:1991-06-04
Compounds of the formula I ##STR1## in which R is C.sub.8 -C.sub.14 alkyl, phenyl, C.sub.7 -C.sub.9 aralkyl or R"OOC-CH.sub.2 --CH.sub.2, R' is C.sub.2 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, C.sub.7 -C.sub.30 alkaryl or C.sub.7 -C.sub.18 -aralkyl and R" is C.sub.1 -C.sub.14 alkyl, phenyl or C.sub.7 -C.sub.9 aralkyl and x is 1 or 2, are heat stabilizers for chlorine-containing thermoplastics, in particular for PVC.
公式I的化合物##STR1##中,其中R为C.sub.8-C.sub.14烷基、苯基、C.sub.7-C.sub.9芳基烷基或R"OOC-CH.sub.2--CH.sub.2,R'为C.sub.2-C.sub.18烷基、C.sub.5-C.sub.12环烷基、苯基、C.sub.7-C.sub.30烷基芳基或C.sub.7-C.sub.18-芳基烷基,R"为C.sub.1-C.sub.14烷基、苯基或C.sub.7-C.sub.9芳基烷基,x为1或2,对含氯热塑性塑料,特别是对PVC,具有热稳定剂作用。