公开(公告)号：US4690881A

公开(公告)日：1987-09-01

申请号：US856075

申请日：1986-04-24

申请人： Kayoko Nagai ,  Kazuo Tsubuko

发明人： Kayoko Nagai ,  Kazuo Tsubuko

IPC分类号： G03G9/12 ,  G03G9/13 ,  G03G9/135

CPC分类号： G03G9/131 ,  G03G9/135

摘要： The present invention relates to a liquid developer for electrophotography having a solid content of not less than 10% by weight and the diffusion speed (as defined in the specification) of not lower than 1 mm/min., which comprises a toner containing a coloring agent covered with a resin and an aliphatic hydrocarbon dispersing medium dispersing said toner therein, wherein said coloring agent comprises a resinous composition containing an ethylene-vinylacetate copolymer as the essential component, which disperses therein a pigment coated with at least one of humic acid, humate and humic acid derivatives, and said toner comprises said coloring agent covered with a resinous composition containing a polymer prepared from a composition containing Monomer I of the following general formula, ##STR1## (wherein R represents hydrogen or methyl group and A represents --COOC.sub.n H.sub.2n+1 or --OCOC.sub.n H.sub.2n+1, n being an integer of 6 to 20) and Monomer II having an allyl group as the essential components.

摘要翻译： 本发明涉及一种电子照相用液体显影剂，其固体含量不小于10重量％，扩散速度（如说明书中所定义）不低于1mm / min，其包含含有着色剂 其中所述着色剂包含含有乙烯 - 乙酸乙烯酯共聚物作为必需组分的树脂组合物，其中分散有涂覆有至少一种腐殖酸，腐殖酸的颜料 和腐殖酸衍生物，并且所述调色剂包含所述着色剂，该树脂组合物包含由含有下列通式的单体I的组合物制备的聚合物，其中R表示氢或甲基，A表示-COOC n H 2n + 1或-OCOCnH2n + 1，n为6〜20的整数）和具有烯丙基作为必要成分的单体II。

公开(公告)号：US4855207A

公开(公告)日：1989-08-08

申请号：US166881

申请日：1988-03-11

申请人： Kazuo Tsubuko ,  Kayoko Nagai

发明人： Kazuo Tsubuko ,  Kayoko Nagai

IPC分类号： G03G9/087 ,  G03G9/09 ,  G03G9/097 ,  G03G9/12 ,  G03G9/13

CPC分类号： G03G9/08704 ,  G03G9/08728 ,  G03G9/09733

摘要： A developer for electrophotography is disclosed, which comprises toner particles containing therein at least an olefin resin having a melt index of 25.about.700 g/10 min, which toner particles may comprise a colorant which is prepared by a flushing method by using a pigment component and an olefin resin having a melt index of 25.about.700 g/10 min, when necessary, with addition thereto a humic acid component selected from the group consisting of humic acid, a salt of humic acid, and a humic acid derivative.

摘要翻译： 公开了一种用于电子照相的显影剂，其包含其中至少含有熔体指数为25分辨率为700克/ 10分钟的烯烃树脂的调色剂颗粒，该调色剂颗粒可以包含通过使用颜料组分的冲洗法制备的着色剂 和熔体指数为25分克/ 10分钟的烯烃树脂，当需要时，加入选自腐殖酸，腐殖酸盐和腐殖酸衍生物的腐殖酸组分。

公开(公告)号：US5759733A

公开(公告)日：1998-06-02

申请号：US821314

申请日：1992-01-13

申请人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Toshiki Nanya ,  Kazuhiko Umemura ,  Kayoko Nagai

发明人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Toshiki Nanya ,  Kazuhiko Umemura ,  Kayoko Nagai

IPC分类号： G03G9/13 ,  G03G9/135

CPC分类号： G03G9/131

摘要： A liquid developer for use in electrophotography is disclosed, which comprises (i) a toner comprising as the main toner components a colorant, a resin, and a polyolefin resin having an acid value of from 5 to 50 and a melt viscosity at 200.degree. C. of from 100 to 15,000 cps, and (ii) a carrier liquid in which the toner is dispersed. The polyolefin resin and the colorant in the liquid developer may constitute an integral flushing colorant which is prepared by subjecting the resin and the colorant to flushing processing.

摘要翻译： 公开了一种用于电子照相术的液体显影剂，其包括（i）包含作为主要调色剂组分的着色剂，树脂和酸值为5至50的聚烯烃树脂和200℃下的熔体粘度的调色剂 100至15,000cps，和（ii）其中调色剂分散的载体液体。 液体显影剂中的聚烯烃树脂和着色剂可以构成通过使树脂和着色剂进行冲洗加工而制备的整体冲洗着色剂。

公开(公告)号：US4764447A

公开(公告)日：1988-08-16

申请号：US883182

申请日：1986-07-08

申请人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Kayoko Nagai ,  Makoto Okawara ,  Hajime Takanashi

发明人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Kayoko Nagai ,  Makoto Okawara ,  Hajime Takanashi

IPC分类号： C08F2/14 ,  C08F218/10 ,  C08F220/18 ,  G03G9/13 ,  G03G9/12 ,  C08L35/02

CPC分类号： C08F220/18 ,  C08F218/10 ,  G03G9/131

摘要： This invention relates to a non-aqueous type resin dispersion obtained by polymerizing a polymerizable composition containing at least monomer A represented by the general formula (I), ##STR1## (wherein, R.sup.1 represents --H or --CH.sub.3, X represents --COOC.sub.n H.sub.2n+1 or --OCOC.sub.n H.sub.2n+1, and n represents an integer of 6-20), monomer B represented by the general formula (II), ##STR2## (wherein, R.sup.2 and R.sup.3 represent --H or --CH.sub.3 and m represents an integer of 1-20), and monomer C having a carboxyl group or a glycidyl group in the presence of a polymerization initiator in an aliphatic hydrocarbon solvent.

摘要翻译： 本发明涉及通过聚合至少含有由通式（I）表示的单体A，（I）（其中，R 1表示-H或-CH 3，X表示）的聚合性组合物而获得的非水型树脂分散体 -COOCnH2n + 1或-OCOCnH2n + 1，n表示6-20的整数），由通式（II）表示的单体B，（II）（其中，R2和R3表示-H或-CH3 m表示1-20的整数），在聚合引发剂的存在下，在脂族烃溶剂中具有羧基或缩水甘油基的单体C.