申请人:Mitsubishi Chemical Corporation
公开号:US20140031513A1
公开(公告)日:2014-01-30
The present invention relates to a method for producing a polycarbonate having excellent characteristics such as hue and mechanical properties with a stable quality and a high yield by solving a plurality of problems as those described above in producing a polycarbonate by using a specific dihydroxy compound exhibiting low thermal stability as compared with bisphenols and having a —CH
2
—O— structure. The polycarbonate obtained by polycondensation in the present invention is a polycarbonate having an appropriate viscosity despite decrease in the reaction temperature, providing for a color tone less susceptible to yellowing, and exhibiting excellent mechanical properties.