Process and apparatus for continuous production of polycarbonate

Details Process and apparatus for continuous production of polycarbonate Process and apparatus for continuous production of polycarbonate

1974-06-25

1976-08-10

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 49, 260 775D, 260463, 23285, C08G 6362

Patent

active

039741265

ABSTRACT:
A heat resistant and impact resistant polycarbonate having a narrow distribution of molecular weight is continuously produced by reacting chloroformate ester, prepared in advance by reacting alkaline solution of dioxy compound in a turbulent flow of the two solutions while cooling and subsequently reacting the mixture concurrently in a laminar flow after the viscosity of the mixture has become significant.

REFERENCES:
patent: 3674740 (1972-07-01), Vernaleken et al.
patent: 3888826 (1975-06-01), Yamana et al.

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