Polymer stabilizers containing both hindered amine and nitrone m

Details Polymer stabilizers containing both hindered amine and nitrone m Polymer stabilizers containing both hindered amine and nitrone m

1989-08-18

1990-11-20

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524100, 524103, 544231, 544360, 544384, 544401, 544407, 544408, 546 16, 546188, 546189, 546190, 546191, 546204, 546206, 546216, 546222, 546223, 546238, 546239, 546240, 546242, 546244, 546246, C08K 5341, A63H 331

Patent

active

049720090

ABSTRACT:
Compounds possessing both a hindered amine moiety, such as a derivative of 2,2,6,6-tetramethylpiperidine, and a nitrone moiety are valuable stabilizers for protecting polymer compositions against the deleterious effects of actinic light and from the adverse effects of high temperature polymer processing environments. Additionally, the instant compounds present the opportunity for grafting onto preformed polymer backbones.

REFERENCES:
patent: 4898901 (1990-02-01), Ravichandran et al.
Chemical Abstracts 110:95160d, 1989.
J. B. Adeniyi et al., J. Appl. Poly. Sci. 34, 2673 (1987).
L. P. Nethsinghe et al., Rubber Chem. Tech. 57, 779 (1984).
K. B. Chakraborty et al., J. Appl. Poly. Sci. 30, 3267 (1985).
Chemical Abstracts, 106, 4388n (1987).
Chemical Abstracts, 105, 173628a (1986).

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