Process for removing contaminants from polycarbonate solutions

Details Process for removing contaminants from polycarbonate solutions Process for removing contaminants from polycarbonate solutions

C - Chemistry, Metallurgy

08

L

400/7506

C08L 69/00 (2006.01) C08G 64/40 (2006.01)

Patent

CA 1045738

PROCESS FOR REMOVING CONTAMINANTS FROM POLYCARBONATE SOLUTIONS Abstract of the Disclosure The contaminating inorganic compounds such as alkali metal salts or alkali metal hydroxides which remain in a polycarbonate solution prepared by reacting phosgene with a dihydroxy-aryl compound are removed by contacting the solution with a molecular sieve.

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