Method of preparing aliphatic-aromatic polycarbonates

Details Method of preparing aliphatic-aromatic polycarbonates Method of preparing aliphatic-aromatic polycarbonates

1993-12-17

1995-04-25

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528198, C08G 6400

Patent

active

054100143

ABSTRACT:
A method of preparing aliphatic-aromatic polycarbonate resin is disclosed. Accordingly, the method entails reacting an oligocarbonate of diphenol having chlorocarbonic acid ester terminal groups, with an aliphatic diol, in a non-aqueous solvent. The amount of solvent is such that the oligocarbonate is about 10-40% relative to the total weight of solvent, oligocarbonate and diol.

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patent: 5162564 (1992-11-01), Silva et al.
Schnell, Chemistry & Physics of Polycarbonates, 1964, Interscience Publishers, New York--London--Sydney, pp. 55-58.

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