Ultraviolet-absorbing stabilizers substituted by an...

Details Ultraviolet-absorbing stabilizers substituted by an... Ultraviolet-absorbing stabilizers substituted by an...

C - Chemistry, Metallurgy

07

C

400/5010, 260/31

C07C 69/736 (2006.01) C07D 249/20 (2006.01) C08K 5/11 (2006.01) C08K 5/20 (2006.01) C08K 5/315 (2006.01) C08K 5/3475 (2006.01) C09D 7/12 (2006.01)

Patent

CA 1215055

ULTRAVIOLET-ABSORBING STABILIZERS SUBSTITUTED BY AN ALIPHATIC HYDROXYL GROUP Abstract of the Disclosure Ultraviolet-absorbing stabilizers of the formula Image E-(G-R)n, L-(G-E)m, or [G-E1-G-Q]p, where T1 is alkyl, R5 is hydrogen or chloro, E is a radical derived from an oxanilide, benzalmalonate or .alpha.-cyanocinnamate, E1 is a radical derived from an oxanilide, G is -OCH2CHOH-, R is alkyl, phenyl or -CH2OT 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.

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