Stabilization of organic polymers against degradation by light

Details Stabilization of organic polymers against degradation by light Stabilization of organic polymers against degradation by light

1990-08-20

1991-08-06

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524327, 524381, 524382, 524399, 524400, 524432, 524433, 524436, C08K 505, C08K 509, C08K 522, C08K 53435

Patent

active

050378708

ABSTRACT:
The invention relates to the stabilization of organic polymers against degradation by light by the addition of (a) a light stabilizer of the formula ##STR1## in which R is hydrogen or methyl and A is an alkylene radical, and (b) an oxide, hydroxide, carboxylate, enolate or phenate of magnesium or zinc.

REFERENCES:
patent: 4202816 (1980-05-01), Moser et al.
patent: 4233412 (1980-11-01), Rody et al.
patent: 4256627 (1981-03-01), Moser et al.

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