Non-catalyzed interfacial polycondensation polycarbonate...

Details Non-catalyzed interfacial polycondensation polycarbonate... Non-catalyzed interfacial polycondensation polycarbonate...

C - Chemistry, Metallurgy

08

G

402/176

C08G 64/24 (2006.01)

Patent

CA 1178396

RD-13246 NON-CATALYZED INTERFACIAL POLYCONDENSATION POLYCARBONATE PROCESS ABSTRACT of the DISCLOSURE This invention relates to a non-catalyzed equilibrated interfacial polycondensation aromatic polycarbonate process comprising forming an equilibrated substantially uniform agitated two-phase admixture containing an organic phase containing an inert solvent, and an aqueous phase containing a solution of an aromatic dihydroxy compound and a strong base, adding and reacting a carbonyl halide with the aromatic dihydroxy compound to form an aromatic polycarbonate, and separating and recovering the solid aromatic polycarbonate particulate from the liquid aqueous phase.

399976

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