Ester substituted benzylhydroxylamines and stabilized polyolefin

Details Ester substituted benzylhydroxylamines and stabilized polyolefin Ester substituted benzylhydroxylamines and stabilized polyolefin

1985-11-21

1987-05-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524240, 560 42, 562444, 562448, C07C 8308, C08K 532

Patent

active

046687270

ABSTRACT:
Ester substituted benzylhydroxylamine derivatives are effective in stabilizing polyolefin compositions containing a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the hindered amine light stabilizers, the alkylated hydroxybenzoate light stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids and the thiosynergists, against degradation upon high temperature extrusion, exposure to the combustion products of natural gas, gamma irradiation or upon storage for extended periods. These ester substituted benzylhydroxylamine derivatives exhibit resistance to loss or extraction during processing and in end-use applications.

REFERENCES:
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patent: 3432578 (1969-03-01), Martin
patent: 3644278 (1972-02-01), Klemchuk
patent: 3778464 (1973-12-01), Klemchuk
patent: 3886115 (1975-05-01), Murayama et al.
patent: 3926909 (1975-12-01), Wei
patent: 4242224 (1980-12-01), Dean et al.
patent: 4316996 (1982-02-01), Collonge et al.
patent: 4386224 (1983-05-01), Deetman

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