公开(公告)号：US20140255840A1

公开(公告)日：2014-09-11

申请号：US14167096

申请日：2014-01-29

申请人： Yoshitaka SEKIGUCHI ,  Hisashi Nakajima ,  Masashi Nagayama ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii

发明人： Yoshitaka SEKIGUCHI ,  Hisashi Nakajima ,  Masashi Nagayama ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii

IPC分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/08 ,  G03G21/18

摘要： A toner is provided. The toner includes a crystalline polyester resin (A); and a non-crystalline resin (B). The toner has a viscoelastic property such that the loss tangent (tan δ) defined as a ratio (G″/G′) of loss elastic modulus (G″) to storage elastic modulus (G′) has at least an inflection point or a local maximal point at a temperature α in a temperature range of from 65° C. to 80° C. while having a local maximal point at a temperature β in a temperature range of from 75° C. to 90° C., wherein the loss tangent at the temperature α is from 1.2 to 2.0, and the loss tangent at the temperature β is from 1.0 to 2.5, wherein the temperature α is lower than the temperature β.

摘要翻译： 提供调色剂。 调色剂包括结晶聚酯树脂（A）; 和非结晶性树脂（B）。 调色剂具有粘弹性，使得以损失弹性模量（G“）与储能弹性模量（G'）的比率（G”/ G'）定义的损耗角正切（tanδ）至少具有拐点或 在65℃至80℃的温度范围内的温度为α的局部最大点，同时在温度为bgr时具有局部最大点; 在75℃至90℃的温度范围内，其中温度α下的损耗角正切值为1.2至2.0，温度下的损耗角正切值为bgr; 为1.0〜2.5，其中温度α低于温度＆bgr。

公开(公告)号：US20130244162A1

公开(公告)日：2013-09-19

申请号：US13827972

申请日：2013-03-14

申请人： Saori Yamada ,  Hisashi Nakajima ,  Masashi Nagayama ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

发明人： Saori Yamada ,  Hisashi Nakajima ,  Masashi Nagayama ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08782 ,  G03G9/08784 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09791

摘要： A toner, including: a binder resin; and a colorant, wherein the binder resin contains: a crystalline polyester resin (A); a non-crystalline resin (B); and a composite resin (C), where the composite resin (C) contains a condensation polymerization resin unit and an addition polymerization resin unit, wherein the toner contains chloroform insoluble matter in an amount of 1% by mass to 30% by mass, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000 and a half width of 15,000 or less, where the molecular weight distribution is obtained through gel permeation chromatography (GPC) of tetrahydrofuran soluble matter of the toner, and wherein the toner has an endothermic peak in a range of 90° C. to 130° C. in measurement through differential scanning calorimetry (DSC).

摘要翻译： 一种调色剂，包括：粘合剂树脂; 和着色剂，其中所述粘合剂树脂包含：结晶聚酯树脂（A）; 非结晶性树脂（B）; 和复合树脂（C），其中复合树脂（C）含有缩聚树脂单元和加成聚合树脂单元，其中调色剂含有1质量％至30质量％的氯仿不溶物质，其中 调色剂的分子量分布具有在1000至10,000的主峰和半数宽度为15,000或更小的分子量分布，其中分子量分布通过调色剂的四氢呋喃可溶物质的凝胶渗透色谱（GPC）获得，以及 其中调色剂在通过差示扫描量热法（DSC）的测量中具有在90℃至130℃范围内的吸热峰。

公开(公告)号：US20130260307A1

公开(公告)日：2013-10-03

申请号：US13826791

申请日：2013-03-14

申请人： Masashi Nagayama ,  Hisashi Nakajima ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

发明人： Masashi Nagayama ,  Hisashi Nakajima ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

IPC分类号： G03G9/08 ,  G03G21/18 ,  G03G13/20

CPC分类号： G03G9/08 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08795 ,  G03G9/08797 ,  G03G13/20 ,  G03G21/18

摘要： A toner including a crystalline polyester resin (A), an amorphous resin (B), and a composite resin (C) having a condensation polymerization resin unit and an addition polymerization resin unit is provided. A molecular weight distribution of the toner based on THF-soluble contents thereof has a main peak within a molecular weight range from 1,000 to 10,000 and a half bandwidth of the main peak is 15,000 or less. The molecular weight distribution is determined by gel permeation chromatography. The toner includes chloroform-insoluble contents. A ratio C/R of the toner is within a range from 0.03 to 0.55. C and R represent heights of spectrum peaks specific to the crystalline polyester resin (A) and the amorphous resin (B), respectively, determined by a Fourier transform infrared spectroscopic attenuation total reflection method after the toner is stored in a thermostatic chamber at 45° C. for 12 hours.

摘要翻译： 提供了包含结晶聚酯树脂（A），无定形树脂（B）和具有缩聚树脂单元和加成聚合树脂单元的复合树脂（C）的调色剂。 基于THF可溶物含量的调色剂的分子量分布具有在1,000至10,000的分子量范围内的主峰，并且主峰的半带宽为15,000以下。 分子量分布通过凝胶渗透色谱法测定。 该调色剂包括不溶于氯仿的内容物。 调色剂的比例C / R在0.03〜0.55的范围内。 C和R分别表示在将调色剂储存在45℃的恒温槽中之后，通过傅立叶变换红外光谱衰减全反射法测定的结晶性聚酯树脂（A）和非晶质树脂（B）特有的光谱峰的高度 C.持续12小时。

公开(公告)号：US09005862B2

公开(公告)日：2015-04-14

申请号：US13826791

申请日：2013-03-14

申请人： Masashi Nagayama ,  Hisashi Nakajima ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

发明人： Masashi Nagayama ,  Hisashi Nakajima ,  Saori Yamada ,  Shinya Hanatani ,  Mariko Takii ,  Yoshitaka Sekiguchi

IPC分类号： G03G9/08 ,  G03G13/20 ,  G03G21/18 ,  G03G9/087

CPC分类号： G03G9/08 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08795 ,  G03G9/08797 ,  G03G13/20 ,  G03G21/18

摘要： A toner including a crystalline polyester resin (A), an amorphous resin (B), and a composite resin (C) having a condensation polymerization resin unit and an addition polymerization resin unit is provided. A molecular weight distribution of the toner based on THF-soluble contents thereof has a main peak within a molecular weight range from 1,000 to 10,000 and a half bandwidth of the main peak is 15,000 or less. The molecular weight distribution is determined by gel permeation chromatography. The toner includes chloroform-insoluble contents. A ratio C/R of the toner is within a range from 0.03 to 0.55. C and R represent heights of spectrum peaks specific to the crystalline polyester resin (A) and the amorphous resin (B), respectively, determined by a Fourier transform infrared spectroscopic attenuation total reflection method after the toner is stored in a thermostatic chamber at 45° C. for 12 hours.

摘要翻译： 提供了包含结晶聚酯树脂（A），无定形树脂（B）和具有缩聚树脂单元和加成聚合树脂单元的复合树脂（C）的调色剂。 基于THF可溶物含量的调色剂的分子量分布具有在1,000至10,000的分子量范围内的主峰，并且主峰的半带宽为15,000以下。 分子量分布通过凝胶渗透色谱法测定。 该调色剂包括不溶于氯仿的内容物。 调色剂的比例C / R在0.03〜0.55的范围内。 C和R分别表示在将调色剂储存在45℃的恒温槽中之后，通过傅立叶变换红外光谱衰减全反射法测定的结晶性聚酯树脂（A）和非晶质树脂（B）特有的光谱峰的高度 C.持续12小时。

公开(公告)号：US20130260302A1

公开(公告)日：2013-10-03

申请号：US13826742

申请日：2013-03-14

申请人： Hisashi Nakajima ,  Saori Yamada ,  Masashi Nagayama ,  Mariko Takii ,  Shinya Hanatani

发明人： Hisashi Nakajima ,  Saori Yamada ,  Masashi Nagayama ,  Mariko Takii ,  Shinya Hanatani

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09783 ,  G03G9/09791

摘要： A toner, including: crystalline resin; non-crystalline resin; and a composite resin, wherein the crystalline resin is crystalline polyester resin (A), the non-crystalline resin comprises: non-crystalline resin (B) containing chloroform insoluble matter; and non-crystalline resin (C) having a softening temperature (T½) lower than that of the non-crystalline resin (B) by 25° C. or more, an absolute value |Tgc−Tgb| of a difference between a glass transition temperature (Tgc) of non-crystalline resin (C) and a glass transition temperature (Tgb) of non-crystalline resin (B) is 10° C. or lower, wherein the composite resin is composite resin (D) containing a condensation polymerization resin unit and an addition polymerization resin unit, and the toner has a molecular weight distribution having a main peak in 1,000 to 10,000 and a half width of 15,000 or less, where the molecular weight distribution is obtained by gel permeation chromatography (GPC) of tetrahydrofuran (THF) soluble matter of the toner.

摘要翻译： 调色剂，包括：结晶树脂; 非结晶树脂; 和复合树脂，其中所述结晶性树脂为结晶性聚酯树脂（A），所述非结晶性树脂包含：含有氯仿不溶物的非结晶性树脂（B） 和比非结晶性树脂（B）的软化温度（T 1/2）低25℃以上的非结晶性树脂（C）的绝对值| Tgc-Tgb | 非结晶性树脂（C）的玻璃化转变温度（Tgc）与非结晶性树脂（B）的玻璃化转变温度（Tgb）之差的差为10℃以下，其中复合树脂为复合树脂 （D），其含有缩聚树脂单元和加成聚合树脂单元，调色剂具有主峰分布在1000至10,000，半宽度为15,000或更小的分子量分布，其中分子量分布通过凝胶 四氢呋喃（THF）可溶物质的渗透色谱（GPC）。

公开(公告)号：US20130260299A1

公开(公告)日：2013-10-03

申请号：US13799862

申请日：2013-03-13

申请人： Hisashi NAKAJIMA ,  Masashi Nagayama ,  Saori Yamada ,  Mariko Takii

发明人： Hisashi NAKAJIMA ,  Masashi Nagayama ,  Saori Yamada ,  Mariko Takii

IPC分类号： G03G9/00 ,  G03G15/20 ,  G03G15/08

CPC分类号： G03G15/2064 ,  G03G9/08726 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An image forming method including steps of forming a latent electrostatic image on an image bearing member, developing the latent electrostatic image with a development agent containing toner to obtain a toner image; transferring the toner image onto a transfer medium; fixing the toner image thereon; wherein the fixing is executed by a fixing device containing a heating roller; a fixing roller; a toner heating medium and the fixing roller; and a pressure roller wherein the toner contains a toner binder containing a crystalline resin containing a polyester resin A; a non-crystalline resin containing a non-crystalline resin B and a non-crystalline resin C, and a complex resin, wherein the toner has a main peak in a range of from 1,000 to 10,000 in the molecule weight distribution as measured for a component soluble in tetrahydrofuran by gel permeation chromatography with a half value width of 15,000 or less.

摘要翻译： 一种图像形成方法，包括在图像承载部件上形成静电潜像的步骤，用含有调色剂的显影剂显影静电潜像以获得调色剂图像; 将调色剂图像转印到转印介质上; 在其上固定调色剂图像; 其中所述定影由包含加热辊的定影装置执行; 定影辊; 调色剂加热介质和定影辊; 和压辊，其中调色剂含有含有含有聚酯树脂A的结晶树脂的调色剂粘合剂; 含有非结晶性树脂B和非结晶性树脂C的非结晶性树脂和复合树脂，其中，调色剂在分子量分布中的主峰为1000〜10,000， 通过半值宽度为15,000以下的凝胶渗透色谱法溶于四氢呋喃。

公开(公告)号：US09128398B2

公开(公告)日：2015-09-08

申请号：US13617957

申请日：2012-09-14

申请人： Masashi Nagayama ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

发明人： Masashi Nagayama ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

IPC分类号： G03G9/087 ,  G03G15/08 ,  G03G9/08 ,  G03G9/097

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08722 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08737 ,  G03G9/08766 ,  G03G9/08782 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0975 ,  G03G15/0889

摘要： A toner for forming an electrophotographic image is provided, wherein the toner includes at least four types of binder resins, wherein the binder resins includes at least: a crystalline polyester resin (A); a non-crystalline resin (B); a non-crystalline resin (C); and a composite resin (D) which includes a condensation polymerization resin unit and an addition polymerization resin unit, wherein the non-crystalline resin (B) includes a chloroform insoluble matter, wherein the non-crystalline resin (C) has a softening temperature (T½) lower than that of the non-crystalline resin (B) by 25° C. or more, and wherein the toner has a main peak between 1,000 to 10,000 in a molecular weight distribution obtained by GPC from a tetrahydrofuran soluble matter, and the toner has a half-value width of the molecular weight distribution of 15,000 or less.

摘要翻译： 提供了用于形成电子照相图像的调色剂，其中调色剂包括至少四种类型的粘合剂树脂，其中粘合剂树脂至少包括：结晶聚酯树脂（A）; 非结晶性树脂（B）; 非结晶性树脂（C）; 和包含缩聚树脂单元和加成聚合树脂单元的复合树脂（D），其中所述非结晶性树脂（B）包括氯仿不溶物，其中所述非结晶性树脂（C）具有软化温度 T 1/2）比非结晶性树脂（B）低25℃以上，并且其中调色剂在通过GPC从四氢呋喃可溶物质获得的分子量分布中具有在1,000至10,000之间的主峰，并且 调色剂的分子量分布的半值宽度为15,000以下。

公开(公告)号：US20130252160A1

公开(公告)日：2013-09-26

申请号：US13617957

申请日：2012-09-14

申请人： Masashi NAGAYAMA ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

发明人： Masashi NAGAYAMA ,  Mitsuo Aoki ,  Hisashi Nakajima ,  Saori Yamada ,  Mariko Takii

IPC分类号： G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/08722 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08737 ,  G03G9/08766 ,  G03G9/08782 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0975 ,  G03G15/0889

摘要： A toner for forming an electrophotographic image is provided, wherein the toner includes at least four types of binder resins, wherein the binder resins includes at least: a crystalline polyester resin (A); a non-crystalline resin (B); a non-crystalline resin (C); and a composite resin (D) which includes a condensation polymerization resin unit and an addition polymerization resin unit, wherein the non-crystalline resin (B) includes a chloroform insoluble matter, wherein the non-crystalline resin (C) has a softening temperature (T½) lower than that of the non-crystalline resin (B) by 25° C. or more, and wherein the toner has a main peak between 1,000 to 10,000 in a molecular weight distribution obtained by GPC from a tetrahydrofuran soluble matter, and the toner has a half-value width of the molecular weight distribution of 15,000 or less.

摘要翻译： 提供了用于形成电子照相图像的调色剂，其中调色剂包括至少四种类型的粘合剂树脂，其中粘合剂树脂至少包括：结晶聚酯树脂（A）; 非结晶性树脂（B）; 非结晶性树脂（C）; 和包含缩聚树脂单元和加成聚合树脂单元的复合树脂（D），其中所述非结晶性树脂（B）包括氯仿不溶物，其中所述非结晶性树脂（C）具有软化温度 T 1/2）比非结晶性树脂（B）低25℃以上，并且其中调色剂在通过GPC从四氢呋喃可溶物质获得的分子量分布中具有在1,000至10,000之间的主峰，并且 调色剂的分子量分布的半值宽度为15,000以下。

公开(公告)号：US10025214B2

公开(公告)日：2018-07-17

申请号：US15392482

申请日：2016-12-28

申请人： Masashi Nagayama ,  Mariko Takii ,  Yoshihiro Murasawa ,  Haruki Murata ,  Kei Niwayama ,  Tohru Suganuma ,  Koichi Sakata ,  Saori Yamada ,  Shinya Nakagawa ,  Kohsuke Miyazaki

发明人： Masashi Nagayama ,  Mariko Takii ,  Yoshihiro Murasawa ,  Haruki Murata ,  Kei Niwayama ,  Tohru Suganuma ,  Koichi Sakata ,  Saori Yamada ,  Shinya Nakagawa ,  Kohsuke Miyazaki

IPC分类号： G03G9/113 ,  G03G15/08 ,  G03G9/083 ,  G03G15/01

摘要： Carrier for image forming includes a core material particle including a magnetic material and a coating layer disposed on the surface of the core material particle, the coating layer including a resin, carbon black, an inorganic particulate A, and an inorganic particulate B. The carbon black has a concentration gradient along a thickness direction of the coating layer with a concentration from high to low toward a surface of the coating layer while the inorganic particulate A has a concentration gradient along a thickness direction of the coating layer with a concentration from low to high toward the surface of the coating layer. The volume ratio of the carbon black is 0-30 percent at a depth range of 0.0-0.1 μm from the surface of the coating layer. The inorganic particulate A is electroconductive with a powder specific resistance of 200 Ω·cm or less.

公开(公告)号：US08877418B2

公开(公告)日：2014-11-04

申请号：US13185941

申请日：2011-07-19

申请人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

发明人： Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Shigenori Yaguchi ,  Hitoshi Iwatsuki ,  Toyoaki Tano ,  Mariko Takii ,  Minoru Masuda ,  Koichi Sakata ,  Saori Yamada ,  Hiroyuki Kishida

IPC分类号： G03G15/06 ,  G03G9/113 ,  G03G9/107

CPC分类号： G03G9/1075 ,  G03G9/107 ,  G03G9/1136 ,  G03G9/1137

摘要： The developing method includes developing an electrostatic latent image on an image bearing member with a two-component developer including a toner and a carrier and born on at least one developer bearing member, whose surface moves at a linear speed of from 300 mm/sec to 2,000 mm/sec. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a crosslinked material obtained by crosslinking a resin including a first unit having a specific tris(trialkylsiloxy) silyl group and a second unit having a specific alkoxysilyl group having a crosslinking ability. Each of the first unit and the second unit is included in the resin in a molar ratio of from 0.1 to 0.9 based on all the units included in the resin.

摘要翻译： 显影方法包括使用包含调色剂和载体的双组分显影剂在图像承载部件上显影静电潜像，并且在至少一个显影剂承载部件上出现，所述显影剂承载部件的表面以300mm /秒的线速度移动到 2,000毫米/秒。 载体包括颗粒芯材料; 以及位于所述芯材的表面上的覆盖层，并且包括通过使包含具有特定的三（三烷基甲硅烷氧基）甲硅烷基的第一单元和具有交联能力的特定烷氧基甲硅烷基的第二单元的树脂交联而获得的交联材料。 基于树脂中包含的所有单元，第一单元和第二单元中的每一个以包含在树脂中的摩尔比为0.1至0.9。