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    • 6. 发明申请
    • Novel polyhydroxyalkanoate having amide, sulfonic acid or sulfonate ester group, charge control agent and toner
    • 具有酰胺,磺酸或磺酸酯基的新型聚羟基链烷酸酯,电荷控制剂和调色剂
    • US20060287473A1
    • 2006-12-21
    • US11172662
    • 2005-06-24
    • Tatsuki FukuiTetsuya YanoChieko MiharaShinya KozakiTsutomu HonmaTakashi KenmokuAko Kusakari
    • Tatsuki FukuiTetsuya YanoChieko MiharaShinya KozakiTsutomu HonmaTakashi KenmokuAko Kusakari
    • C08G63/02
    • C08G63/912C08G63/6852C08G63/6882G03G9/08755G03G9/08791
    • 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.
    • 本发明提供一种适用于电荷控制剂用电荷控制剂的新型聚酯,其具有电荷稳定性,高电荷量,改进的分散性和生物降解性,以及其制备方法和应用技术。 根据本发明,提供了在分子中包含由以下化学式表示的至少一个单元的聚羟基链烷酸酯:<?in-line-formula description =“In-line Formulas”end =“lead”→> - (O- CH( - (CH 2 CH 2)m CH 2 CH 2 CH 2 CH 2 CH 2 - -CONH-A 1 2 1 CO 2) (其中R 1表示OH,卤素原子,ONa,OK或OR 1a; A < 取代或未取代的脂族烃结构,取代或未取代的芳族环状结构或取代或未取代的杂环结构; m表示选自以下的整数; R 1,R 2, 0至7;当存在多个单元时,R 1,A 1,R 1a和m对于每个单元具有上述含义 ),含有这种聚羟基链烷酸酯的电荷控制剂 e,使用这种电荷控制剂的调色剂,以及使用这种调色剂的图像形成方法和图像形成装置。