Method for stabilizing organic polymers against oxidative decomp

Details Method for stabilizing organic polymers against oxidative decomp Method for stabilizing organic polymers against oxidative decomp

1982-07-19

1983-11-29

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

174110PM, 174110SR, 523210, 523333, 524145, 524167, 524168, 524261, 524315, 524317, 524318, 524465, C08K 525

Patent

active

044181701

ABSTRACT:
A method for stabilizing organic polymers against copper-catalyzed oxidative decomposition by means of N,N-bis-salicyloyl hydrazine as a metal deactivator is described wherein dust development of the metal deactivator is precluded with certainty and negative property changes of the stabilized organic polymers are avoided. For this purpose, it is provided that a paste which contains finely-crystalline N,N'-bis-salicyloyl hydrazine in fine distribution in a liquid to wax-like aliphatic hydrocarbon of low volatility is worked into the polymer. The method is particularly well suited for stabilizing polyolefins for cable and wire insulation.

REFERENCES:
patent: 3733427 (1973-05-01), Clark et al.
patent: 3849492 (1974-11-01), Brunetti et al.
patent: 3904541 (1975-09-01), Charlton
patent: 4044200 (1977-08-01), Turbett

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