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

1981-11-05

1983-11-08

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548259, 562595, 564160, 1062872, 260465D, C07D24920

Patent

active

044143931

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: 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: 4070337 (1978-01-01), Irick et al.
patent: 4278590 (1981-07-01), Dexter et al.

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