Processes for producing aromatic polycarbonate oligomer and arom

Details Processes for producing aromatic polycarbonate oligomer and arom Processes for producing aromatic polycarbonate oligomer and arom

1993-07-08

1994-10-25

Morris, Patricia L.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

053591178

ABSTRACT:
A process for producing continuously an aromatic polycarbonate oligomer by reacting an aromatic dihydroxy compound and an alkali metal base or an alkaline earth metal base with a carbonyl halide compound comprises:

REFERENCES:
patent: 3646102 (1972-02-01), Kobayashi et al.
patent: 3787359 (1974-01-01), Horn et al.
patent: 4038252 (1977-07-01), Vernalekan et al.
patent: 4089888 (1978-05-01), Tokumitsu et al.
patent: 4122112 (1978-10-01), Koda et al.
Journal of Polymer Science, vol. 55, pp. 251-258, (1961).

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