Stabilizers derived from N-hydroxy hindered amines by Michael ad

Details Stabilizers derived from N-hydroxy hindered amines by Michael ad Stabilizers derived from N-hydroxy hindered amines by Michael ad

1990-02-14

1991-05-14

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524103, 546 17, 546 22, 546 24, 546187, 546188, 546190, 546203, 546205, 546207, 546214, 546217, 546242, 546244, C08K 53435, C07D21134, C07D21140, C07D21154

Patent

active

050156780

ABSTRACT:
The Michael addition products of N-hydroxy hindered amines with alpha,beta-unsaturated carbonyl compounds including derivatives of esters, amids, imides and anhydrides are effective stabilizers for protecting organic polymers from the deleterious effects of actinic light.

REFERENCES:
patent: 4426472 (1984-01-01), Berner
patent: 4753972 (1988-06-01), Ravichandran
patent: 4757102 (1988-07-01), Ravichandran et al.
Shlyapintokh et al., "Developments in Polymer Stabilisation", 5,41-70, 1982, G. Moad et al., Aust J. Chem., 36 1573 (1983).

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