Hydrolytically stable phosphites

Details Hydrolytically stable phosphites Hydrolytically stable phosphites

1990-06-07

1992-06-23

Lee, Mary C.

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

Organic compounds

Phosphorus esters

C07F 9144

Patent

active

051244721

ABSTRACT:
Hydrolytically stable phosphite compositions for melt flow and color stabilization of thermoplastics may be prepared from crude tetrahydroabietyl alcohol. The phosphites may be reacting said alcohol with an organophosphite, such as by transesterification. Other synthesis techniques may also be used.

REFERENCES:
patent: 3939229 (1976-02-01), Hechenbleikner et al.
patent: 4064100 (1977-12-01), Hechenbleikner et al.
patent: 4305866 (1981-12-01), York et al.
Patent Abstracts of Japan, vol. 13, No. 491 (C-650) [3839], Nov. 7, 1989, p. 87 C 650 corresponding with Japanese Reference No. 1-193371 dated Aug. 3, 1989.

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