Sughrue Mion, PLLC
Aromatic polycarbonate and production process therefor
A polycarbonate having excellent color and stability and a production process therefor.In the production of a polycarbonate by melt polycondensing a dihydroxy compound and a carbonic acid diester in the presence of an ester exchange catalyst, the each content of an aldehyde group in the dihydroxy compound and the carbonic acid diester is reduced to 3&times;10&#8722;6 equivalent/mol or less.
Teijin Limited
C
C08G
inventional
Takanori Yuichi Wataru Katsushi Hiroaki
Miyoshi Kageyama Funakoshi Sasaki Kaneko