Tetra-alkyl piperidine derivatives as light stabilizers

Details Tetra-alkyl piperidine derivatives as light stabilizers Tetra-alkyl piperidine derivatives as light stabilizers

1979-09-17

1981-09-15

Schwartz, Richard A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458N, 260 458NZ, 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, C07D40114, C07D40104, C07D49122

Patent

active

042896860

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 et al.
patent: 4182703 (1980-01-01), Irick et al.
patent: 4191683 (1980-03-01), Brunetti et al.
Heller, H., et al., Pure and Appl. Chem., 36, pp. 141 and 153-157 (1973).

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