Process for preparing high molecular weight polycarbonates

Details Process for preparing high molecular weight polycarbonates Process for preparing high molecular weight polycarbonates

1975-12-03

1978-06-27

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47C, C08G 6362

Patent

active

040974570

ABSTRACT:
High molecular weight polycarbonates are prepared by the reaction of phosgene with a dihydroxydiaryl alkane in the presence of an acid acceptor, a solvent and at least one member selected from specified monohydric alcohols, haloformates, monothiols, halothioformates, monocarboxylic acids and halides, salts, quaternary ammonium salts and anhydrides thereof.

REFERENCES:
patent: 3290409 (1966-12-01), Munro
patent: 3466260 (1969-09-01), Bostian et al.
patent: 3475373 (1969-10-01), Jackson, Jr. et al.

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