Phosphite-isocyanurates

Details Phosphite-isocyanurates Phosphite-isocyanurates

1980-02-29

1981-09-01

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25134

Patent

active

042873398

ABSTRACT:
This invention of the present application relates to the stabilizing component in the stabilization of olefin polymers, especially polypropylene during processing, i.e., at elevated temperatures. The stabilizing component is a phosphite-isocyanurate compound having the structural formula: ##STR1## wherein R is a hydrocarbon radical and R.sup.1 is methyl or hydrogen.

REFERENCES:
patent: 4085283 (1978-04-01), Den Otter et al.
patent: 4096114 (1978-06-01), Minagawa et al.

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