公开(公告)号：US5589312A

公开(公告)日：1996-12-31

申请号：US411079

申请日：1995-03-27

申请人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

发明人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

IPC分类号： G03G9/13

CPC分类号： G03G9/131 ,  G03G9/133

摘要： A liquid developer for electrostatic photography comprising resin grains dispersed in a non-aqueous solvent having a volume specific resistivity of at least 10.sup.9 .OMEGA.cm, wherein the resin grains are obtained by polymerizing (a) at least one monomer selected from benzyl methacrylate, benzyl acrylate, styrene and a styrene derivative, and (b) at least one monomer selected from acrylic acid esters and methacrylic acid esters having an alkyl group having not more than 3 carbon atoms which are soluble in the non-aqueous solvent but become insoluble therein by being polymerized, in the presence of a dispersion stabilizing resin which mainly comprises a graft copolymer composed of at least one macromonomer (M) containing a polymer component represented by the general formula (Ia) or (Ib) defined herein.The liquid developer is excellent in dispersion stability, and toner images having resist with high resistivity to etching solutions can be formed in electrostatic photography.

摘要翻译： 一种用于静电摄影的液体显影剂，其包含分散在体积电阻率为至少10 9欧米亚厘米的非水溶剂中的树脂颗粒，其中树脂颗粒通过聚合（a）至少一种选自甲基丙烯酸苄基酯，丙烯酸苄酯 ，苯乙烯和苯乙烯衍生物，和（b）至少一种选自具有不超过3个碳原子的烷基的丙烯酸酯和甲基丙烯酸酯，其可溶于非水溶剂但通过 在分散稳定树脂的存在下聚合，其主要包括由至少一种含有由本文定义的通式（Ia）或（Ib）表示的聚合物组分的大分子单体（M）组成的接枝共聚物。 液体显影剂具有优异的分散稳定性，并且可以在静电摄影中形成具有对蚀刻溶液具有高电阻率的抗蚀剂的调色剂图像。

公开(公告)号：US4594304A

公开(公告)日：1986-06-10

申请号：US708461

申请日：1985-03-05

申请人： Shu Watarai ,  Seiji Horie

发明人： Shu Watarai ,  Seiji Horie

IPC分类号： C09B26/02 ,  G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0616 ,  G03G5/0631

摘要： An electrophotographic light-sensitive material is described, comprising, provided on an electrically conductive support, a light-sensitive layer containing at least one hydrazone compound selected from particular groups of hydrazone compounds.

摘要翻译： 描述了一种电子照相感光材料，其包括设置在导电载体上的含有选自特定腙化合物组的至少一种腙化合物的感光层。

公开(公告)号：US4360660A

公开(公告)日：1982-11-23

申请号：US218227

申请日：1980-12-19

申请人： Shu Watarai ,  Kazuo Ishii ,  Takeshi Takayama

发明人： Shu Watarai ,  Kazuo Ishii ,  Takeshi Takayama

IPC分类号： C08G73/02 ,  G03G5/07 ,  C08G12/08

CPC分类号： C08G73/026 ,  C08G73/02 ,  G03G5/076

摘要： A triphenylmethane polymer, a process for production thereof, and photoconductive compositions and a member containing the polymer are described; the polymer is represented by formula (I) ##STR1## wherein R is an alkyl group, X is H or a methyl group, Z is an alkylene group or a p-xylylene group, Y is H, a methyl group, a methoxy group, a tertiary amino group, halogen, a nitro group or a cyano group, Q is H or a methyl group, and n represents a polymerization degree sufficient to obtain the intrinsic viscosity [.eta.] of the polymer from 0.005 to 1.000.

摘要翻译： 描述了三苯甲烷聚合物，其制备方法和光电导组合物和含有聚合物的成分; 该聚合物由式（I）表示，其中R是烷基，X是H或甲基，Z是亚烷基或对亚二甲苯基，Y是H，甲基， 甲氧基，叔氨基，卤素，硝基或氰基，Q是H或甲基，n表示足以获得聚合物的特性粘度η为0.005〜1.000的聚合度。

公开(公告)号：US5532099A

公开(公告)日：1996-07-02

申请号：US372883

申请日：1995-01-13

申请人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

发明人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

IPC分类号： G03G9/13 ,  G03G9/135

CPC分类号： G03G9/131 ,  G03G9/133

摘要： A liquid developer for electrostatic photography comprising resin grains dispersed in a non-aqueous solvent having a volume specific resistivity of at least 10.sup.9 .OMEGA.cm, wherein the resin grains are obtained by polymerizing (a) at least one monomer selected from methyl methacrylate and ethyl methacrylate soluble in said non-aqueous solvent and (b) at least one monomer selected from acrylic acid esters and methacrylic acid esters having an alkyl group having not more than 4 carbon atoms which are soluble in the non-aqueous solvent but become insoluble therein by being polymerized, in the presence of a dispersion stabilizing resin which is dissolved or dispersed in a colloidal form in the non-aqueous solvent and which mainly comprises a graft copolymer composed of(1) at least one macromonomer (M) having a weight-average molecular weight of 1.times.10.sup.3 to 1.times.10.sup.5, and having a polymerizable double bond group bonded to one terminal of the main chain of the polymer composed of at least one of a styrene polymer component and a polymer component of formula (I) defined above, and(2) at least one monomer represented by formula (III) defined above.The liquid developer is excellent in dispersion stability, and toner images having resist with high resistivity to etching solutions can be formed in electrostatic photography.

摘要翻译： 一种用于静电摄影的液体显影剂，其包含分散在体积电阻率为至少为10 10Ω·cm的非水溶剂中的树脂颗粒，其中所述树脂颗粒通过聚合（a）至少一种选自甲基丙烯酸甲酯和甲基丙烯酸乙酯的单体而获得 可溶于所述非水溶剂和（b）至少一种选自具有不超过4个碳原子的烷基的丙烯酸酯和甲基丙烯酸酯的单体，其可溶于非水溶剂，但通过 在分散稳定树脂的存在下聚合，所述分散体稳定树脂以胶体形式溶解或分散在非水溶剂中，并且主要包含由（1）至少一种具有重均分子量的大分子单体（M）组成的接枝共聚物， 重量为1×10 3〜1×10 5，并且具有与聚合物主链的一个末端键合的可聚合双键基团， 芘聚合物组分和上述式（I）的聚合物组分，和（2）至少一种由上述定义的式（III）表示的单体。 液体显影剂具有优异的分散稳定性，并且可以在静电摄影中形成具有对蚀刻溶液具有高电阻率的抗蚀剂的调色剂图像。

公开(公告)号：US5356748A

公开(公告)日：1994-10-18

申请号：US974215

申请日：1992-11-10

申请人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

发明人： Seiji Horie ,  Kenji Sano ,  Nobuo Suzuki ,  Shu Watarai

IPC分类号： C08F290/04 ,  G03G9/13 ,  G03G9/135

CPC分类号： C08F290/04 ,  G03G9/133

摘要： A positively chargeable liquid developer for electrostaticphotography comprising a non-aqueous solvent having a volume specific resistance of at least 10.sup.9 .OMEGA.cm and resin grains dispersed therein, wherein the resin grains contain a dispersion stabilizing resin which is dissolved or dispersed in a colloidal form in the non-aqueous solvent and which mainly comprises a graft copolymer composed of (1) at least one macromonomer (M) having a weight average molecular weight of from 1.times.10.sup.3 to 1.times.10.sup.5 obtained by bonding a terminal carboxyl group bonded to the main chain of a polymer containing at least one specific polymer component to an epoxy compound having at least one polymerizable double bond group, using a quaternary ammonium salt as a reaction catalyst, and (2) at least one specific monomer, which gives the definite chargeability, easily controls the charge amount, is excellent in dispersion stability and endures long-term use and storage.

摘要翻译： 一种用于静电照相的可带正电荷的液体显影剂，其包含体积电阻率为至少为10 10Ω·cm的非水溶剂和分散在其中的树脂颗粒，其中树脂颗粒含有以胶体形式溶解或分散于其中的分散体稳定树脂 非水性溶剂，其主要包含由（1）至少一种重均分子量为1×10 3〜1×10 5的大分子单体（M）组成的接枝共聚物，所述大分子单体（M）通过键合与含有 使用季铵盐作为反应催化剂的具有至少一个可聚合双键基团的环氧化合物的至少一种特定聚合物组分，和（2）具有确定带电性的至少一种特定单体容易控制电荷量 ，具有优异的分散稳定性和耐久长期使用和储存。

公开(公告)号：US4473630A

公开(公告)日：1984-09-25

申请号：US451221

申请日：1982-12-20

申请人： Hiroaki Yokoya ,  Hiromichi Tachikawa ,  Nobuo Suzuki ,  Shu Watarai

发明人： Hiroaki Yokoya ,  Hiromichi Tachikawa ,  Nobuo Suzuki ,  Shu Watarai

IPC分类号： C07C67/00 ,  C07C209/00 ,  C07C211/27 ,  C07D295/02 ,  C08F12/26 ,  C08F212/00 ,  G03G9/08 ,  G03G9/097 ,  G03G9/13 ,  G03G9/18

CPC分类号： G03G9/08 ,  G03G9/131

摘要： A liquid developer for electrostatic images which comprises toner particles dispersed in a nonaqueous medium having an electrical resistance of 10.sup.9 .OMEGA..multidot.cm or more and a dielectric constant of 3 or less, wherein said toner particles are composed of a resin polymer comprised of monomer units selected from the group of monomers represented by the following formula (I) and a coloring agent: ##STR1## wherein X represents ##STR2## and n represents an integer of 1-6, wherein R.sup.1 and R.sup.2 each represents an alkyl group having 1-18 carbon atoms, and alkyl substituted or nonsubstituted aryl group (the substituent being an alkyl group having 1-12 carbon atoms), or an aralkyl group (substituent alkyl groups in case that the benzene nucleus is substituted by alkyl groups have 1-12 carbon atoms, and the alkylene group has 1-12 carbon atoms).

摘要翻译： 一种用于静电图像的液体显影剂，其包含分散在电阻为10欧姆·厘米或更大且介电常数为3以下的非水介质中的调色剂颗粒，其中所述调色剂颗粒由包含单体单元的树脂聚合物组成，所述单体单元选自 由下式（I）表示的单体组和着色剂：其中X表示＆lt; IMAGE＆gt;和n表示1-6的整数，其中R 1和R 2各自表示具有1 -18个碳原子和烷基取代或未取代的芳基（取代基为具有1-12个碳原子的烷基）或芳烷基（在苯环被烷基取代的情况下的取代烷基具有1-12个 碳原子，亚烷基具有1-12个碳原子）。

公开(公告)号：US4752548A

公开(公告)日：1988-06-21

申请号：US927973

申请日：1986-11-07

申请人： Naonori Makino ,  Seiji Horie ,  Shu Watarai ,  Hideo Sato

发明人： Naonori Makino ,  Seiji Horie ,  Shu Watarai ,  Hideo Sato

IPC分类号： B41M5/26 ,  C09B23/01 ,  C09B23/04 ,  C09B23/06 ,  C09B23/08 ,  G03G5/06 ,  G11B7/244

CPC分类号： G03G5/0674 ,  C09B23/0091 ,  C09B23/04 ,  C09B23/06 ,  C09B23/083 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0661

摘要： Light-sensitive compositions are provided, containing at least one bisazulenium salt compound of the general formulae (1) and (2): ##STR1## wherein all the symbols are defined in the specification. Electrophotographic photoreceptors containing the present composition have high sensitivity and stable potential characteristic in repeated use. The present compositions are further usable in optical information-recording media, and the media containing the present composition have sufficient preservation stability, high sensitivity and sufficient S/N ratio.

摘要翻译： 提供了含有至少一种通式（1）和（2）的双氮鎓盐化合物的光敏组合物：其中所有符号被定义 在规范中。 含有本发明组合物的电子照相感光体在重复使用中具有高灵敏度和稳定的电位特性。 本发明的组合物还可用于光学信息记录介质，并且含有本发明组合物的介质具有足够的保存稳定性，高灵敏度和足够的S / N比。

公开(公告)号：US4405704A

公开(公告)日：1983-09-20

申请号：US382047

申请日：1982-05-28

申请人： Shu Watarai ,  Kazuo Ishii ,  Takeshi Takayama

发明人： Shu Watarai ,  Kazuo Ishii ,  Takeshi Takayama

IPC分类号： C08G73/02 ,  G03G5/07 ,  G03G5/06

CPC分类号： C08G73/026 ,  C08G73/02 ,  G03G5/076

摘要： A triphenylmethane polymer, a process for production thereof, and photoconductive compositions and a member containing the polymer are described; the polymer is represented by formula (I) ##STR1## wherein R is an alkyl group, X is H or a methyl group, Z is an alkylene group or a p-xylylene group, Y is H, a methyl group, a methoxy group, a tertiary amino group, halogen, a nitro group or a cyano group, Q is H or a methyl group, and n represents a polymerization degree sufficient to obtain the intrinsic viscosity [.eta.] of the polymer from 0.005 to 1.000.