O-substituted N-hydroxy hindered amine stabilizers

Details O-substituted N-hydroxy hindered amine stabilizers O-substituted N-hydroxy hindered amine stabilizers

1992-05-12

1993-04-20

Rollins, John W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546189, 546225, 546242, 544194, 544207, 544231, 544357, 544360, C07D21136, C07D21138, C07D21122

Patent

active

052044734

ABSTRACT:
Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR.sub.1 substituents and the 4-position of the ring is substituted with a variety of groups, are effective as light stabilizers in diverse substrate systems.

REFERENCES:
patent: 4344876 (1982-08-01), Berrer
patent: 4547537 (1985-01-01), Malherbe et al.
patent: 4691015 (1987-09-01), Behrens
patent: 4774275 (1988-01-01), Hisano et al.
J. Polymer Science, Chem. Ed., 22, 277-81 (1984).
Chem. Abstracts 100, 52579y (1983).
Japan 86-130,358 (1986)-abstract.
Shlyapintokh, Developments in Polymer Stabilization 1982, pp. 41-70.

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