.alpha.-Olefin copolymers containing pendant hindered amine grou

Details .alpha.-Olefin copolymers containing pendant hindered amine grou .alpha.-Olefin copolymers containing pendant hindered amine grou

1982-01-26

1983-11-01

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525203, 526262, 526263, 526265, C08L 7504, C08L 3904, C08L 7700

Patent

active

044130961

ABSTRACT:
.alpha.-Olefin copolymers having recurring structural units of the formula ##STR1## where preferably T is hydrogen, L.sub.1 is hydrogen, L.sub.2 is COOL.sub.3, L.sub.3 is lower alkyl, E is --COO--, G is a hindered amine moiety, a/a+b+c=0.50 to 0.99, b/a+b+c=0 to 0.49 and c/a+b+c=0.01 to 0.50, are useful as light stabilizers for polymeric substrates, particularly polyolefins.

REFERENCES:
patent: 3705166 (1972-12-01), Murayama et al.
patent: 4210612 (1980-07-01), Karrer
patent: 4276401 (1981-06-01), Karrer
patent: 4294949 (1981-10-01), Karrer

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