Novel light stabilizers for polymers

Details Novel light stabilizers for polymers Novel light stabilizers for polymers

1981-07-20

1983-10-25

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524103, C08K 534

Patent

active

044120206

ABSTRACT:
Oligomers of the formula: ##STR1## wherein at least one of the substituents contains a piperidyl group are disclosed as light stabilizers for polymers. Also disclosed is a method for stabilizing a polymer which is normally subject to degradation by ultraviolet radiation, by incorporating therein an ultraviolet stabilizingly effective amount of such oligomer.

REFERENCES:
patent: 4234728 (1980-11-01), Rody et al.
patent: 4294963 (1981-10-01), Rody

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