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公开(公告)号：US4954411A
公开(公告)日：1990-09-04
申请号：US318251
申请日：1989-03-03
CPC分类号： G03G9/08711 , G03G9/0823 , G03G9/08708 , Y10S430/104
摘要： There is described a novel toner for developing static latent image, of which relaxation time is adjusted to 5 through 20 milliseconds at 100 KHz of frequency. The toner is perfectly compatible with cleaning requirements, and thus, fusion or filming of toner onto the surface of photoreceptor is secured prevented, so that clear and distinct image can be securely produced for a long time.
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2.发明授权Pressure or heated roller electrophoto image fixing uses halogen or nitrile containing polymer dispersed within resin binder as offset prevent toner 失效压力或加热辊电子照相固定使用分散在树脂粘合剂中的含卤素或含腈聚合物作为防止偏移的调色剂
公开(公告)号：US4267246A
公开(公告)日：1981-05-12
申请号：US123463
申请日：1980-02-21
CPC分类号： G03G9/08731 , G03G9/08702 , G03G9/08715 , G03G9/08717 , G03G9/08724 , G03G9/08737
摘要： A developer for electrostatic images comprising a binder medium and a pigment dispersed in the binder medium is disclosed. This binder medium comprises (A) a thermoplastic or rubbery polymer containing a member selected from the group consisting of a halogen atom and a nitrile group at a concentration of at least 100 milliequivalents per 100 g of the polymer and (B) a binder having a melting temperature lower than that of the polymer (A) at an (A)/(B) mixing weight ratio of from 1/20 to 1/1. The halogen- or nitrile-containing polymer (A) is present in the form of fine particles dispersed in the continuous phase of the binder (B). This developer has good flowability and charge characteristics at the developing step and shows an excellent offset-preventing effect at the fixing step.
摘要翻译： 公开了一种用于静电图像的显影剂，其包含粘合剂介质和分散在粘合剂介质中的颜料。 该粘合剂介质包含（A）含有选自卤素原子和腈基的成员的热塑性或橡胶状聚合物，其浓度为每100g聚合物至少为100毫当量，和（B）具有 （A）/（B）混合重量比为1/20至1/1的熔融温度低于聚合物（A）。 含卤素或含腈聚合物（A）以分散在粘合剂（B）的连续相中的细颗粒的形式存在。 该显影剂在显影步骤中具有良好的流动性和充电特性，并且在定影步骤中显示出优异的防偏移效果。
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