公开(公告)号：US08080627B2

公开(公告)日：2011-12-20

申请号：US12068924

申请日：2008-02-13

申请人： Masahiko Minemura ,  Noriyoshi Ogawa

发明人： Masahiko Minemura ,  Noriyoshi Ogawa

IPC分类号： C08G64/00 ,  C08G63/02

CPC分类号： C08G64/085 ,  C08G77/448

摘要： The present invention provides an electrophotographic photoreceptor having excellent lubricity and abrasion resistance by using a novel polycarbonate resin comprising structural units having a polysiloxane chain in the shape of grafts as represented by the following general formula (1) with a viscosity-average molecular weight of 12,000 to 100,000 as a binder resin for a charge transport layer of a electrophotographic photoreceptor. wherein R1 to R5 each independently represents hydrogen, fluorine, chlorine, bromine, iodine, an alkyl group, an aryl group, an alkoxy group or an aralkyl group. R6 represents an alkylene group. Y represents a polysiloxane chain.

摘要翻译： 本发明提供一种具有优异的润滑性和耐磨性的电​​子照相感光体，其通过使用新型聚碳酸酯树脂，其包含具有如下通式（1）所示的接枝物形式的聚硅氧烷链的结构单元，粘均分子量为12,000 至100,000，作为电子照相感光体的电荷输送层的粘合剂树脂。 其中R1至R5各自独立地表示氢，氟，氯，溴，碘，烷基，芳基，烷氧基或芳烷基。 R6表示亚烷基。 Y表示聚硅氧烷链。

公开(公告)号：US20100015541A1

公开(公告)日：2010-01-21

申请号：US12310363

申请日：2007-08-21

申请人： Noriyoshi Ogawa

发明人： Noriyoshi Ogawa

IPC分类号： G03G5/047 ,  G03G5/04 ,  G03G15/00

CPC分类号： G03G5/0564 ,  C08G18/3206 ,  C08G18/3215 ,  C08G18/4238 ,  C08G18/4277 ,  C08G18/61 ,  C08G18/664 ,  C08G18/73 ,  C08L69/00 ,  C08L75/04 ,  G03G5/0575 ,  G03G5/0578 ,  G03G5/0589 ,  G03G5/10 ,  G03G5/142 ,  C08L2666/20 ,  C08L2666/18

摘要： An electrophotographic photoreceptor which is excellent in wear resistance and crack resistance and has a long photoreceptor lifetime can be produced by using a polycarbonate resin composition prepared by blending 100 parts by weight of a polycarbonate resin with 0.01 to 5 parts by weight of a silicone-modified polyurethane obtained by reacting (a) a diol component represented by the general formula (I) with (b) an active hydrogen containing polysiloxane compound, (c) a polyisocyanate component and, if necessary, (d) a chain extender as the material for the backing film of a photoreceptor belt. [Chemical formula 1](I) wherein R1 and R2 are each independently hydrogen or alkyl; R3 is hydrogen, alkyl, alkoxy, halogeno or alkoxycarbonyl; M is a single bond, substituted or unsubstituted alkylene, or oxyalkylene; and n is an integer of 0 to 4.

摘要翻译： 通过使用通过将100重量份的聚碳酸酯树脂与0.01至5重量份的硅氧烷改性的聚碳酸酯树脂混合而制备的聚碳酸酯树脂组合物，可以制备耐磨性和耐裂纹性优异并且具有长的感光体寿命的电子照相感光体 通过使（a）由通式（I）表示的二醇组分与（b）含活性氢的聚硅氧烷化合物反应得到的聚氨酯，（c）多异氰酸酯组分，如果需要，（d）扩链剂作为 感光带的背胶膜。 [化学式1]（I）其中R 1和R 2各自独立地为氢或烷基; R3是氢，烷基，烷氧基，卤代或烷氧基羰基; M是单键，取代或未取代的亚烷基或氧化烯; n为0〜4的整数。

公开(公告)号：US06340737B2

公开(公告)日：2002-01-22

申请号：US09819614

申请日：2001-03-29

申请人： Noriyoshi Ogawa ,  Tatsuya Kanagawa ,  Hidekazu Nakatani

发明人： Noriyoshi Ogawa ,  Tatsuya Kanagawa ,  Hidekazu Nakatani

IPC分类号： C08G6400

CPC分类号： C08G64/085 ,  C08G77/448

摘要： A polycarbonate resin obtained by reaction of (A) a bisphenol compound having a fluorene structure, (B) a bisphenol compound having a polysiloxane structure, (C) other specific bisphenol compound and a carbonic acid ester-forming compound, wherein an amount of (A) bisphenol compound is 30 to 80% by weight to total amount of (A) bisphenol compound and (B) bisphenol compound, and an amount of (C) bisphenol compound is 1 to 80% by weight to total amount of (A) bisphenol compound, (B) bisphenol compound and (C) bisphenol compound, and an intrinsic viscosity of said polycarbonate resin is 0.2 to 1.0 dl/g.

摘要翻译： 通过（A）具有芴结构的双酚化合物，（B）具有聚硅氧烷结构的双酚化合物，（C）其它特定双酚化合物和形成碳酸酯化合物的反应得到的聚碳酸酯树脂，其中（ A）双酚化合物相对于（A）双酚化合物和（B）双酚化合物的总量为30〜80重量％，（C）双酚化合物的量相对于（A）的总量为1〜80重量％ 双酚化合物，（B）双酚化合物和（C）双酚化合物，所述聚碳酸酯树脂的特性粘度为0.2〜1.0dl / g。

公开(公告)号：US5569566A

公开(公告)日：1996-10-29

申请号：US416849

申请日：1995-04-14

申请人： Satoshi Kanayama ,  Noriyoshi Ogawa ,  Jun Tajima

发明人： Satoshi Kanayama ,  Noriyoshi Ogawa ,  Jun Tajima

IPC分类号： G03G5/05

CPC分类号： G03G5/0503 ,  G03G5/0564

摘要： A photoreceptor for electrophotography which comprises a conductive substrate and a photoconductive layer on the conductive substrate, a polycarbonate resin containing free chlorine of 2 ppm or below being contained in the photoconductive layer. No minute black spots generate and an excellent quality of picture is provided.

摘要翻译： PCT No.PCT / JP94 / 01511 Sec。 371日期：1995年4月14日 102（e）1995年4月14日PCT PCT 1994年9月13日PCT公布。 公开号WO95 / 08138 日期1995年3月23日在导电性基板上包含导电性基板和感光层的电子照相用感光体，含有2ppm以下游离氯的聚碳酸酯树脂含在光电导层中。 不会产生微小的黑点，并提供优质的图像。

公开(公告)号：US5418098A

公开(公告)日：1995-05-23

申请号：US904280

申请日：1992-06-25

申请人： Shinya Mayama ,  Teigo Sakakibara ,  Noriko Ohtani ,  Katsumi Aoki ,  Noriyoshi Ogawa ,  Satoshi Kanayama

发明人： Shinya Mayama ,  Teigo Sakakibara ,  Noriko Ohtani ,  Katsumi Aoki ,  Noriyoshi Ogawa ,  Satoshi Kanayama

IPC分类号： G03G5/05 ,  G03G15/02

CPC分类号： G03G5/0564

摘要： There is disclosed an electrophotographic photosensitive member comprising a conductive support and a photosensitive layer provided thereon, wherein the photosensitive layer contains a random copolymer having a structural unit represented by the following Formula (I): ##STR1## and a structural unit represented by the following Formula (II): ##STR2##

摘要翻译： 公开了一种电子照相感光构件，其包括导电支撑体和设置在其上的感光层，其中感光层含有具有由下式（I）表示的结构单元的无规共聚物：表示的结构单元 通过下式（II）：

公开(公告)号：US20100092212A1

公开(公告)日：2010-04-15

申请号：US12310027

申请日：2007-08-07

申请人： Noriyoshi Ogawa ,  Toru Oirawa

发明人： Noriyoshi Ogawa ,  Toru Oirawa

IPC分类号： G03G15/00 ,  G03G5/04

CPC分类号： G03G5/0564 ,  C08G64/06

摘要： Disclosed is an electrophotographic photosensitive body which is remarkably improved in pencil scratch resistance and wear resistance. Specifically disclosed is an electrophotographic photosensitive body wherein a polycarbonate resin having a structural unit (1) represented by the formula below is used as a binder resin for a photosensitive layer (or for a charge-transporting layer in case of multilayer type) which is formed on a conductive base. [chemical formula 1] (1) (In the formula, R1-R30 respectively represent a hydrogen atom or a substituent selected from the group consisting of fluorine, chlorine, bromine, iodine, an alkyl group having 1-17 carbon atoms, an aryl group having 6-12 carbon atoms, an alkoxy group having 1-5 carbon atoms, an alkenyl group having 2-12 carbon atoms and an aralkyl group having 7-17 carbon atoms.)

摘要翻译： 公开了一种电子照相感光体，其显着提高了铅笔的耐刮擦性和耐磨性。 具体公开了一种电子照相感光体，其中使用具有由下式表示的结构单元（1）的聚碳酸酯树脂作为形成的感光层（或多层型的电荷输送层）的粘合剂树脂 在导电基座上。 [化学式1]（1）（式中，R 1 -R 30分别表示氢原子或选自氟，氯，溴，碘，具有1-17个碳原子的烷基的取代基，芳基 具有6-12个碳原子的基团，具有1-5个碳原子的烷氧基，具有2-12个碳原子的烯基和具有7-17个碳原子的芳烷基。

公开(公告)号：US20100068640A1

公开(公告)日：2010-03-18

申请号：US12310358

申请日：2007-08-21

申请人： Noriyoshi Ogawa

发明人： Noriyoshi Ogawa

IPC分类号： G03G5/047 ,  C08G64/04 ,  C08L69/00 ,  G03G5/04

CPC分类号： G03G5/0564 ,  G03G5/056 ,  G03G5/0578 ,  G03G5/0592 ,  G03G5/0596

摘要： An electrophotographic photoreceptor belt which is excellent in durability and therefore little cracks even when fingerprints of an operator or hand cream adheres to the belt, wherein a binder resin for photosensitive layers comprising as the main component a polycarbonate resin which comprises bisphenol A type constituent units represented by the formula (I) as the main constituent unit (preferably in an amount of at least 90% by weight based on the whole of the constituent units) and which has a limiting viscosity of 1 to 1.6 dl/g and preferably a molecular weight distribution of 3.2 to 4.3 as calculated from the weight-average molecular weight and number-average molecular weight determined by GPC is used in a photosensitive layer (particularly carrier transport layer) of the belt.

摘要翻译： 一种电子照相感光带，其耐久性优异，因此即使操作者或手霜的指纹粘附到带上也很少发生裂纹，其中用于感光层的粘合剂树脂包括作为主要组分的聚碳酸酯树脂，其包含双酚A型结构单元 通式（I）为主要构成单元（优选为基于整个构成单元的至少90重量％），其特性粘度为1至1.6dl / g，优选分子量 通过由GPC测定的重均分子量和数均分子量计算出的3.2〜4.3的分布用于带的感光层（特别是载流子传输层）。

公开(公告)号：US20090117478A1

公开(公告)日：2009-05-07

申请号：US12225703

申请日：2007-03-28

申请人： Noriyoshi Ogawa

发明人： Noriyoshi Ogawa

IPC分类号： G03G15/02 ,  C08G64/06 ,  G03G5/00

CPC分类号： G03G5/0564 ,  C08G64/045 ,  G03G5/047 ,  G03G5/0592

摘要： An electrophotographic photosensitive body which has both good image stability and wear resistance under high temperature and high humidity conditions can be obtained by using a novel polycarbonate resin, which contains a structural unit represented by the general formula (I) below and having a long-chain unsaturated hydrocarbon group having a double bond, as a binder resin for a charge transport layer of an electrophotographic photosensitive body. In the formula (I), R1-R4 preferably represent a hydrogen atom or a methyl group, respectively; a represents a number of 7-20; and R6 represents a hydrogen atom, a methyl group or a phenyl group. Particularly preferably, the structural unit represented by the general formula (I) below is derived from 1,1-bis(4-hydroxy-3-methylphenyl)-10-undecene or 1,1-bis(4-hydroxyphenyl)-10-undecene.

摘要翻译： 通过使用含有下述通式（I）所示的结构单元并具有长链的新型聚碳酸酯树脂，可以获得在高温高湿条件下具有良好的图像稳定性和耐磨性的电​​子照相感光体 具有双键的不饱和烃基，作为电子照相感光体的电荷输送层的粘合剂树脂。 在式（I）中，R 1 -R 4优选分别表示氢原子或甲基; a代表7-20的数量; R6表示氢原子，甲基或苯基。 特别优选由下述通式（I）表示的结构单元衍生自1,1-双（4-羟基-3-甲基苯基）-10-十一碳烯或1,1-双（4-羟基苯基） 十一碳烯

公开(公告)号：US06630562B2

公开(公告)日：2003-10-07

申请号：US10035228

申请日：2002-01-04

申请人： Noriyoshi Ogawa ,  Tatsuya Kanagawa ,  Takahiro Adachi

发明人： Noriyoshi Ogawa ,  Tatsuya Kanagawa ,  Takahiro Adachi

IPC分类号： C08G6400

CPC分类号： C08G64/186 ,  C08G64/085 ,  C08L69/00 ,  C08L83/00

摘要： A polycarbonate resin obtained by reaction of (A) a bisphenol compound having a fluorene structure and (B) a compound having a polysiloxane structure with hydroxyphenyl group or (A) a bisphenol compound having a fluorene structure, (B) a compound having a polysiloxane structure with hydroxyphenyl group and (C) other specific bisphenol compound with a carbonic acid ester-forming compound, wherein an amount of (B) bisphenol compound is 10 to 50% by weight to total amount of (A) a bisphenol compound having a fluorene structure, (B) a compound having a polysiloxane structure with hydroxyphenyl group and (C) other specific bisphenol compound and an intrinsic viscosity of said polycarbonate resin is 0.2 to 2.0 dl/g.

公开(公告)号：US08900781B2

公开(公告)日：2014-12-02

申请号：US12310358

申请日：2007-08-21

申请人： Noriyoshi Ogawa

发明人： Noriyoshi Ogawa

IPC分类号： G03G5/047 ,  G03G5/05

CPC分类号： G03G5/0564 ,  G03G5/056 ,  G03G5/0578 ,  G03G5/0592 ,  G03G5/0596

摘要： An electrophotographic photoreceptor belt which is excellent in durability and therefore little cracks even when fingerprints of an operator or hand cream adheres to the belt, wherein a binder resin for photosensitive layers comprising as the main component a polycarbonate resin which comprises bisphenol A type constituent units represented by the formula (I) as the main constituent unit (preferably in an amount of at least 90% by weight based on the whole of the constituent units) and which has a limiting viscosity of 1 to 1.6 dl/g and preferably a molecular weight distribution of 3.2 to 4.3 as calculated from the weight-average molecular weight and number-average molecular weight determined by GPC is used in a photosensitive layer (particularly carrier transport layer) of the belt.

摘要翻译： 一种电子照相感光带，其耐久性优异，因此即使操作者或手霜的指纹粘附到带上也很少发生裂纹，其中用于感光层的粘合剂树脂包括作为主要组分的聚碳酸酯树脂，其包含双酚A型结构单元 通式（I）为主要构成单元（优选为基于整个构成单元的至少90重量％），其特性粘度为1至1.6dl / g，优选分子量 通过由GPC测定的重均分子量和数均分子量计算出的3.2〜4.3的分布用于带的感光层（特别是载流子传输层）。