发明授权
- 专利标题: AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATION OF THE POLYCARBONATE RESIN, ELECTRO-PHOTOGRAPHIC PHOTOCONDUCTOR, ELECTRO-PHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS, AND PROCESS CARTRIDGE
- 专利标题(中): 芳香族聚碳酸酯树脂,用于制备聚碳酸酯树脂,电子照相机,电子摄影图像形成装置和工艺的二苯酚化合物和方法
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申请号: US10347743申请日: 2003-01-22
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公开(公告)号: US06919419B2公开(公告)日: 2005-07-19
- 发明人: Kohkoku Ri , Masaomi Sasaki , Kazukiyo Nagai , Shinichi Kawamura , Susumu Suzuka , Katsuhiro Morooka
- 申请人: Kohkoku Ri , Masaomi Sasaki , Kazukiyo Nagai , Shinichi Kawamura , Susumu Suzuka , Katsuhiro Morooka
- 申请人地址: JP Tokyo JP Kawasaki
- 专利权人: Ricoh Company Ltd.,Hodogaya Chemical Co., Ltd.
- 当前专利权人: Ricoh Company Ltd.,Hodogaya Chemical Co., Ltd.
- 当前专利权人地址: JP Tokyo JP Kawasaki
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: JP11-226521 19990810; JP11-281648 19991001; JP2000-224229 20000725
- 主分类号: C08G64/12
- IPC分类号: C08G64/12 ; C08G64/18 ; G03G5/05 ; G03G5/07 ; C08G64/00
摘要:
An aromatic block polycarbonate resin is prepared by polymerizing a diphenol compound of formula (2) or (4), a diol compound of formula (1) or (5), and a halogenated carbonyl compound. The diphenol compound of formula (4) is produced by polymerizing the diphenol compound of formula (2) and a halogenated carbonyl compound by solution or interfacial polymerization. An electrophotographic photoconductor has an electroconductive support and a photoconductive layer formed thereon containing the above-mentioned aromatic block polycarbonate resin. An electrophotographic image forming method or apparatus employs the above-mentioned photoconductor. A process cartridge holds therein the photoconductor and at least one of the electrophotographic image forming units.