Formation of oligomeric organophosphorus compositions with impro

Details Formation of oligomeric organophosphorus compositions with impro Formation of oligomeric organophosphorus compositions with impro

1999-09-10

2000-08-22

Ambrose, Michael G.

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

Organic compounds

Phosphorus esters

558164, 558165, C07F 909, C07F 940

Patent

active

061075078

ABSTRACT:
An aryl group containing phosphite, such as triphenyl phosphite, can be added to a reaction mixture comprising an organophosphorus compound, phosphorus pentoxide and an alkylene oxide, optionally in the presence of a reagent for the incorporation of hydroxy functionality in the final product. The aryl group containing phosphite is employed to improve the color characteristics of the resulting oligomeric organophosphorus composition.

REFERENCES:
patent: 2909559 (1959-10-01), Lanham
patent: 3099676 (1963-07-01), Lanham
patent: 4382042 (1983-05-01), Hardy et al.
patent: 5608100 (1997-03-01), Sicken
patent: 5728746 (1998-03-01), Sicken

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