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    • 10. 发明授权
    • Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters
and synthetic polymer compositions
    • 2,2,6,6-四甲基哌啶醇多元羧酸酯和合成聚合物组合物的低聚物
    • US4529760A
    • 1985-07-16
    • US547814
    • 1983-11-01
    • William E. LeistnerMotonobu MinagawaYutaka NakaharaTohru HarunaAtsushi Nishimura
    • William E. LeistnerMotonobu MinagawaYutaka NakaharaTohru HarunaAtsushi Nishimura
    • C08K5/00C07D211/46C07D405/14C07D493/10C07D519/00C08G63/685C08G69/26C08K5/34C08K5/3412C08K5/3435C08L101/00C08K5/31
    • C08G69/26C08G63/685C08K5/3435
    • Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters are provided having the formula: ##STR1## wherein: Z is the residue of an aliphatic or aromatic or nitriloaliphatic or hydroxy aliphatic polycarboxylic acid having from three to six carboxylic acid groups and from one to thirty carbon atoms; ##STR2## wherein R.sub.3 is hydrogen, alkyl and hydroxyalkyl having from one to about twenty carbon atoms; cycloalkyl having from six to about twenty carbon atoms; aryl having from six to about twenty carbon atoms; or cycloalkylene with the N in the ring and having from two to five carbon atoms;R is alkylene having from two to about twelve carbon atoms; cycloalkylene having from three to about twelve carbon atoms; phenylene having from six to about twenty carbon atoms; mixed alkylenecycloalkylene or alkylene phenylene or oxyalkylene having from two to about twelve carbon atoms; ##STR3## wherein R.sub.4 is alkyl having from one to about six carbon atoms;R.sub.2 is hydrogen; oxyl; alkyl having from one to about twenty carbon atoms; epoxyalkyl having from two to about six carbon atoms or hydroxyalkyl having from one to about six carbon atoms; acyl having from one to about six carbon atoms; aroyl having from seven to about twenty carbon atoms; and alkaryl having from seven to about twenty carbon atoms; ##STR4## m is a number from 1 to 4; and n is a number from 1 to 10.
    • 提供2,2,6,6-四甲基哌啶醇多元羧酸酯的低聚物,其具有下式:其中:Z是脂族或芳族或亚脂族或羟基脂族多元羧酸的残基,其具有三至 六个羧酸基团和一至三十个碳原子; 其中R 3为氢,具有1至约20个碳原子的烷基和羟基烷基; 具有6至约20个碳原子的环烷基; 具有6至约20个碳原子的芳基; 或环亚烷基与环中的N并具有2至5个碳原子; R是具有2至约12个碳原子的亚烷基; 具有3至约12个碳原子的亚环烷基; 具有6至约20个碳原子的亚苯基; 具有2至约12个碳原子的混合亚烷基亚环烷基或亚烷基亚苯基或氧化烯; 其中R 4是具有1至约6个碳原子的烷基; R2是氢; 氧基 具有1至约20个碳原子的烷基; 具有2至约6个碳原子的环氧烷基或具有1至约6个碳原子的羟烷基; 具有1至约6个碳原子的酰基; 具有7至约20个碳原子的芳酰基; 和具有7至约20个碳原子的烷芳基; m是1到4的数字; n为1〜10的数。