Compositions containing ultraviolet-absorbing stabilizing substi

Details Compositions containing ultraviolet-absorbing stabilizing substi Compositions containing ultraviolet-absorbing stabilizing substi

1983-06-20

1985-10-01

Lieberman, Allan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524106, C08K 534, C08L 3308

Patent

active

045446911

ABSTRACT:
Ultraviolet-absorbing stabilizers of the formula E--(G--R).sub.n, L--(G--E).sub.m, or [G--E.sub.1 --G--Q].sub.p where E is a radical derived from an oxanilide, benzalmalonate, .alpha.-cyanocinnamate or o-hydroxyphenylbenzotriazole, E.sub.1 is a radical derived from an oxanilide, G is --OCH.sub.2 CHOH--, R is alkyl, phenyl or --CH.sub.2 OT where T is alkyl or alkenyl, n is 1 or 2, m is 2 or 3, L is a direct bond, alkylene or other bis or tris radical, Q has the same meaning as L when m is 2, and p is 1 to 4, are particularly resistant to loss during weathering of outdoor thermoset or theromplastic coating systems while exhibiting good stabilization efficacy and compatibility in said systems.

REFERENCES:
patent: 3213058 (1965-10-01), Bogle et al.
patent: 3253921 (1966-05-01), Sawdey
patent: 3493539 (1970-02-01), Skoultchi et al.
patent: 3666713 (1972-05-01), Wear
patent: 3706701 (1972-12-01), Susi
patent: 3766205 (1973-10-01), Heller et al.
patent: 3928373 (1975-12-01), Beck et al.
patent: 4003875 (1977-01-01), Luthi et al.
patent: 4070337 (1978-01-01), Irick et al.
patent: 4116929 (1978-09-01), Pond
patent: 4278590 (1981-07-01), Dexter et al.

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