Document Type and Number:
Japanese Patent JPS5236554
Kind Code:
B2
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.
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Application Number:
JP7261873A
Publication Date:
September 16, 1977
Filing Date:
June 27, 1973
Export Citation:
International Classes:
C08G63/00; B01J14/00; B01J19/18; B01J19/24; C08G64/20; C08G64/22; C08G64/24