公开(公告)号：EP1640400A4

公开(公告)日：2006-06-14

申请号：EP04736799

申请日：2004-06-14

申请人： TEIJIN LTD

发明人： ONO AYA ,  TOYOHARA KIYOTSUNA ,  MINEMATSU HIROYOSHI ,  KAGEYAMA YUUICHI

IPC分类号： C08G64/02 ,  C08G64/18

CPC分类号： C08G64/183 ,  C08G64/0208

摘要： A polycarbonate comprising ether diol residues which can be produced from a carbohydrate of the formula: (1) and comprising diol residues of the formula: -O-(CmH2m)-O- (2) (wherein m is an integer of 2 to 12), wherein the ratio of ether diol residues to all the diol residues is in the range of 65 to 98 wt.%, the polycarbonate having a glass transition temperature of 90°C or higher.