Polyalkylpiperidine light stabilizers

Details Polyalkylpiperidine light stabilizers Polyalkylpiperidine light stabilizers

1983-02-28

1984-11-06

Schwartz, Richard A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524 99, 524100, 524101, 524102, 524103, 542435, 542476, 544198, 544209, 544212, 544219, 546 19, 546 20, 546187, 546189, 546190, 546199, 546221, 546222, 546223, 546224, 546225, 546226, 546227, 546234, 546235, 546237, 546239, C08K 534

Patent

active

044813155

ABSTRACT:
Compounds which contain, in their molecule, at least one 2-(2'-hydroxyphenyl)-benztriazole group or one 2-hydroxybenzophenone group and at least one polyalkylpiperidine group are effective light stabilizers for organic materials, in particular for polymers. The use of the compounds as light stabilizers for lacquers is of particular importance.

REFERENCES:
patent: 4085089 (1978-04-01), Irick et al.
patent: 4118369 (1978-10-01), Minagawa et al.
patent: 4127501 (1978-11-01), Wang et al.
patent: 4161592 (1979-07-01), Evans
patent: 4182703 (1980-01-01), Irick et al.
patent: 4191683 (1970-03-01), Brunetti et al.

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