Ultraviolet-absorbing stabilizers substituted by an aliphatic hy

Details Ultraviolet-absorbing stabilizers substituted by an aliphatic hy Ultraviolet-absorbing stabilizers substituted by an aliphatic hy

1982-09-30

1985-01-29

Daus, Donald G.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

548308, 548310, 544221, 524105, 524106, 524210, 564152, C08L 7710

Patent

active

044966768

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 thermoplastic coating systems while exhibiting good stabilization efficacy and compatibility in said systems.

REFERENCES:
patent: 3253921 (1966-05-01), Sawdey
patent: 3542573 (1970-11-01), Biland et al.
patent: 3666713 (1972-05-01), Wear
patent: 3803091 (1974-04-01), Murfin
patent: 4278590 (1981-07-01), Dexter et al.
Ciba, "Diarylamides . . . , " Chem. Abst. 70:19823n (1969).
Hafer et al., "Sulfur-Containing Diaryloxalamides . . . , " Chem. Abst. 72:22323w.

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