发明名称 |
NOVEL POLYHYDROXYALKANOATE HAVING AMIDE, SULFONIC ACID OR SULFONATE ESTER GROUP, CHARGE CONTROL AGENT AND TONER |
摘要 |
<p>The invention provides a novel polyester adapted for use in a charge control agent for a toner for an electrophotographic process, having a charge stability, a high charge amount, an improved dispersibility and a biodegradability, and a producing method and an application technology therefor. According to the invention, there is provided polyhydroxyalkanoate comprising at least one unit represented by the following chemical formula in a molecule: -(O-CH(-(CH2)m-CH2-p-C6H4-CONH-A1SO2R1)CH2CO)-(wherein R1 represents OH, a halogen atom, ONa, OK or OR1a; A1 and R1a each represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic cyclic structure or a substituted or unsubstituted heterocyclic structure; m represents an integer selected from a range of 0 to 7; and R1, A1, R1a and m have the aforementioned meanings independently for each unit when plural units are present), a charge control agent containing such polyhydroxyalkanoate, a toner utilizing such charge control agent, and an image forming method and an image forming apparatus utilizing such toner.</p> |
申请公布号 |
WO2004061529(A1) |
申请公布日期 |
2004.07.22 |
申请号 |
WO2003JP16931 |
申请日期 |
2003.12.26 |
申请人 |
CANON KABUSHIKI KAISHA;FUKUI, TATSUKI;YANO, TETSUYA;MIHARA, CHIEKO;KOZAKI, SHINYA;HONMA, TSUTOMU;KENMOKU, TAKASHI;KUSAKARI, AKO |
发明人 |
FUKUI, TATSUKI;YANO, TETSUYA;MIHARA, CHIEKO;KOZAKI, SHINYA;HONMA, TSUTOMU;KENMOKU, TAKASHI;KUSAKARI, AKO |
分类号 |
G03G9/097;C08G63/685;C08G63/688;C08G63/91;C12P7/62;G03G9/087;(IPC1-7):G03G9/097 |
主分类号 |
G03G9/097 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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