Production method of polycarbonate resin

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United States of America Patent

PATENT NO 8865859
APP PUB NO 20140031515A1
SERIAL NO

14042102

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Abstract

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The present invention is a production method of a polycarbonate resin, including a step of performing melt polycondensation by continuously feeding a dihydroxy compound (A) having a predetermined moiety in a part of the structure and a carbonic acid diester each in a liquid state to a reactor, wherein the residence time from liquefaction of the dihydroxy compound to its feeding to a reactor is from 0.1 to 10 hours.

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Patent Owner(s)

  • MITSUBISHI CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagao, Takehito Fukuoka, JP 3 13
Namiki, Shingo Fukuoka, JP 22 99

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