Antioxidant aromatic fluorophosphites

Details Antioxidant aromatic fluorophosphites Antioxidant aromatic fluorophosphites

1987-02-27

1990-03-27

Sutto, Anton H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

558 84, 558195, 524121, 524149, C08L 2332, C07F 9146

Patent

active

049121553

ABSTRACT:
Organic materials normally subject to gradual degradation in the presence of oxygen are stabilized by inclusion of an aromatic fluorophosphite having at least one benzene group bonded through oxygen to phosphorus and at least one fluorine atom bonded directly to the same phosphorus. Stabilization is improved by also including a conventional phenolic antioxidant. Many of the aromatic fluorophosphites are new compounds.

REFERENCES:
patent: 4094855 (1978-06-01), Spivack
patent: 4233207 (1980-11-01), Spivack

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