Thermoplastic compositions containing hydrolytically stable phos

Details Thermoplastic compositions containing hydrolytically stable phos Thermoplastic compositions containing hydrolytically stable phos

1991-07-15

1992-08-25

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524147, 524151, C08K 552

Patent

active

051419750

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: 3700750 (1972-10-01), Yamanouchi et al.
patent: 3756906 (1973-09-01), Leyland et al.
patent: 4707509 (1987-11-01), Fisch et al.
Patent Abstracts of Japan, vol. 13, No. 491 (C-650) [3839], Nov. 7, 1989, page 87 C 650 corresponding with Japanese Reference No. 1-193371 dated Aug. 3, 1989.

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