Light stabilizer combination

Details Light stabilizer combination Light stabilizer combination

1989-08-07

1991-06-04

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 252403, C08K 53492, C08K 53435, C09K 1522

Patent

active

050214853

ABSTRACT:
Synergistic light stabilizer combinations comprising
(a) a compound of formula I ##STR1## wherein m is 2 or 3 and R is hydrogen, C.sub.1 -C.sub.4 alkyl, 2-hydroxyethyl, 2-hydroxypropyl, allyl, benzyl, acetyl or acryloyl, and
(B) a compound which contains at least one group of formula II ##STR2## and has a molecular weight higher than 700, are most suitable for stabilizing organic polymers, especially polyolefins.

REFERENCES:
patent: 4692486 (1987-09-01), Gugumus
Gachter, Muller/Taschenbuch der Kunstoff-Additive (Handbook of Plastics Additives), 2nd Ed., (1983), pp. 144-198.
Chem. Abst. 89, 181157n (1978).

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