AROMATIC POLYCARBONATE RESIN PROCESS FOR PRODUCING THE SAME OPTICAL PART MOLDINGMATERIAL AND OPTICAL PART
申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP1469026A1
公开(公告)日:2004-10-20
The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.
Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part
申请人:Morishita Hironobu
公开号:US20050143553A1
公开(公告)日:2005-06-30
The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.