N-Piperidyl lactam light stabilizers

Details N-Piperidyl lactam light stabilizers N-Piperidyl lactam light stabilizers

1983-10-21

1984-09-18

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 546187, 546208, C07D40100, C08K 534

Patent

active

044725477

ABSTRACT:
Compounds of the formula (L--T).sub.g --E (I) or (L--T--G) .sub.h --Q (II), where L is a lactam group, T is a substituted 4-piperidinyl hindered amine moiety and E or Q are selected linking or terminal groups, are effective light stabilizers for polyolefins and other organic polymers.

REFERENCES:
patent: 3000880 (1961-09-01), Phillips
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3850877 (1974-11-01), Cook
patent: 4014887 (1977-03-01), Randell et al.
patent: 4033928 (1977-07-01), Randell et al.
patent: 4309541 (1982-01-01), Werner
patent: 4309546 (1982-01-01), Karrer
patent: 4340534 (1982-07-01), Wiezer et al.
patent: 4356307 (1982-10-01), Kelkenberg et al.
patent: 4371644 (1983-02-01), Soma et al.
H. J. Heller et al. Pure and Applied Chemistry, 36, 141-161, (1973).

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