公开(公告)号：US07094514B2

公开(公告)日：2006-08-22

申请号：US10660614

申请日：2003-09-12

Applicant: Manabu Serizawa ,  Hidekazu Yaguchi ,  Tsutomu Kubo ,  Kazuhiko Yanagida ,  Shigeru Seitoku ,  Yasuo Matsumura ,  Sueko Sakai ,  Hiroyuki Tanaka

Inventor： Manabu Serizawa ,  Hidekazu Yaguchi ,  Tsutomu Kubo ,  Kazuhiko Yanagida ,  Shigeru Seitoku ,  Yasuo Matsumura ,  Sueko Sakai ,  Hiroyuki Tanaka

IPC: G03G9/08

CPC classification number: G03G9/09725 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0627 ,  G03G5/0666 ,  G03G5/0672 ,  G03G9/08702 ,  G03G9/08713 ,  G03G9/08717 ,  G03G9/0872 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08731 ,  G03G9/08733 ,  G03G9/09708 ,  G03G13/013

Abstract: The present invention relates to an image forming method wherein the surface of an electrophotographic photoreceptor contains a compound having an unsaturated double bond, a toner for electrostatic latent image development has a binder resin obtained by polymerizing a polymerizable monomer having a vinyl double bond, has at least one kind of metal oxide particles and/or metal nitride particles on the surface of the toner and has a shape factor SF1 of 110 to 140, and the storage of elastic modulus at 160° C. (G′(160)) of the toner for electrostatic latent image development is in a predetermined range.

Abstract translation: 本发明涉及一种图像形成方法，其中电子照相感光体的表面含有具有不饱和双键的化合物，静电潜像显影用调色剂具有通过使具有乙烯基双键的聚合性单体聚合得到的粘合剂树脂， 调色剂表面上的至少一种金属氧化物颗粒和/或金属氮化物颗粒，并且具有110至140的形状系数SF 1和160℃下的弹性模量（G'（160）） 用于静电潜像显影的调色剂处于预定范围内。

公开(公告)号：US07018764B2

公开(公告)日：2006-03-28

申请号：US10464556

申请日：2003-06-19

Applicant: Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Takahisa Fujii ,  Tsutomu Kubo ,  Shigeru Seitoku

Inventor： Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Takahisa Fujii ,  Tsutomu Kubo ,  Shigeru Seitoku

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08791 ,  G03G9/0815 ,  G03G9/0827 ,  G03G9/08704 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08793

Abstract: The present invention relates to a toner for developing electrostatic images characterized in that a reactive polymer which cross-links when heated at a temperature higher than a maximum temperature at the preparation of the toner for developing electrostatic images, at image fixation and/or after fixation, is contained in a toner for developing electrostatic images containing at least a binder resin, and/or is added to the surface thereof.

Abstract translation: 本发明涉及一种用于静电图像显影的调色剂，其特征在于当在制备用于显影静电图像的调色剂时，在图像定影和/或固定之后，在高于最高温度的温度下加热时反应的聚合物 包含在用于显影至少含有粘合剂树脂的静电图像的调色剂中，和/或被添加到其表面。

公开(公告)号：US06821702B2

公开(公告)日：2004-11-23

申请号：US10342265

申请日：2003-01-15

Applicant: Takahisa Fujii ,  Yasuo Matsumura ,  Hidekazu Yaguchi ,  Satoshi Yoshida ,  Tomohito Nakajima

Inventor： Takahisa Fujii ,  Yasuo Matsumura ,  Hidekazu Yaguchi ,  Satoshi Yoshida ,  Tomohito Nakajima

IPC: G03G1520

CPC classification number: G03G13/20

Abstract: The present invention relates to a method of forming images. The method includes the steps of forming electrostatic latent images on an electrostatic image carrier, forming toner images with a toner-containing developer by developing the electrostatic latent images on the electrostatic image carrier, transferring the toner images onto a transfer material, and thermally fixing the toner images, wherein an electrophotographic toner including containing at least a binder resin, a colorant, and a releasing agent in the range of 10 to 25% by mass relative to toner particles and having a shape factor SF1 of 140 or less is used as the toner, and the thermal fixing step is carried out so as to satisfy, at a process speed of at least 170 mm/sec., the relationship (A): 200

Abstract translation: 本发明涉及一种形成图像的方法。 该方法包括以下步骤：在静电图像载体上形成静电潜像，通过在静电图像载体上显影静电潜像，将调色剂图像转印到转印材料上，并将 调色剂图像，其中使用包含至少粘合剂树脂，着色剂和脱模剂的电子照相调色剂相对于调色剂颗粒在10至25质量％范围内并且具有140或更小的形状因子SF1作为 调色剂和热固定步骤以至少170mm / sec的处理速度满足关系式（A）：200 <0.7xalpha + 2000xbeta，其中α是定影温度（℃） ），β为加热时间（秒），α为160℃以上。

公开(公告)号：US06444389B1

公开(公告)日：2002-09-03

申请号：US09706800

申请日：2000-11-07

Applicant: Masanobu Ninomiya ,  Yasuhiro Oya ,  Hidekazu Yaguchi ,  Hirokazu Hamano ,  Haruhide Ishida

Inventor： Masanobu Ninomiya ,  Yasuhiro Oya ,  Hidekazu Yaguchi ,  Hirokazu Hamano ,  Haruhide Ishida

IPC: G03G9087

CPC classification number: G03G9/0821

Abstract: A toner for developing an electrostatic latent image contains a binder resin, a colorant, a wax, and inorganic fine particles. The toner contains the inorganic fine particles content in the range from 1 to 10% by weight, the temperature at which the complex viscosity &eegr;° of the toner in the case of measuring at a frequency of 100 rad/second shows 1000 Pa.s ranges from 125 to 145° C., and the temperature at which the complex viscosity &eegr;° of the toner in the case of measuring at a frequency of 100 rad/second shows 100 Pa.s ranges from 180 to 210° C.

Abstract translation: 用于显影静电潜像的调色剂含有粘合剂树脂，着色剂，蜡和无机细颗粒。 调色剂含有1〜10重量％的无机细粒含量，在100rad /秒的频率下测定时的调色剂的复数粘度eta°为1000Pa·s的范围 125〜145℃，在100rad /秒的频率下测定时的调色剂的复数粘度eta°的温度为100Pa·s，范围为180〜210℃。

公开(公告)号：US07074540B2

公开(公告)日：2006-07-11

申请号：US10976819

申请日：2004-11-01

Applicant: Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

Inventor： Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

IPC: G03G21/10

CPC classification number: G03G21/0035

Abstract: An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [μm]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.

Abstract translation: 图像形成装置能够以不低于150mm / s的处理速度进行图像形成。 电子照相感光体包括含有具有电荷传输性能和交联结构的硅氧烷基树脂的表面层。 清洁装置包括刷构件，其布置成使得所述刷子的前端与所述电子照相感光体接触。 所述电子照相感光体在其20万旋转后的表面粗糙度（R z z max）的产物（R z z x e e e）和 所述电子照相感光体每1000转（W e e [nm]）的磨损率不大于20。

公开(公告)号：US06933092B2

公开(公告)日：2005-08-23

申请号：US10219657

申请日：2002-08-16

Applicant: Satoshi Yoshida ,  Yasuo Matsumura ,  Toyofumi Inoue ,  Hidekazu Yaguchi ,  Takahisa Fujii

Inventor： Satoshi Yoshida ,  Yasuo Matsumura ,  Toyofumi Inoue ,  Hidekazu Yaguchi ,  Takahisa Fujii

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/01 ,  G03G15/20

CPC classification number: G03G9/091 ,  G03G9/0819 ,  G03G9/0827

Abstract: A magenta toner for electrophotography includes a binder resin and a colorant, wherein the toner contains at least a naphthol pigment having a structure represented by the following general formula (1) as the colorant, and has a shape factor SF1 of 110 to 140 obtained by the equation below and a volume average particle size of 2 to 9 μm: wherein R represents the following group, and R′ represents a hydrogen atom, an alkyl group or a methoxy group; SF1=R2/A×π/4×100 wherein R represents the maximum length of the toner and A represents the projected area of the toner.

Abstract translation: 用于电子照相术的品红色调色剂包括粘合剂树脂和着色剂，其中调色剂至少含有具有由以下通式（1）表示的结构作为着色剂的结构的萘酚颜料，并且其形状因子SF1为110-140， 下式，体积平均粒径为2〜9μm，式中，R表示下述基团，R'表示氢原子，烷基或甲氧基。 <？in-line-formula description =“In-line Formulas”end =“lead”？> SF1 = R＆lt; 2 / Axpi / 4x100 <？in-line-formula description =“In-line 公式“end =”tail“？>其中R表示调色剂的最大长度，A表示调色剂的投影面积。

公开(公告)号：US06733938B1

公开(公告)日：2004-05-11

申请号：US09722828

申请日：2000-11-28

Applicant: Masanobu Ninomiya ,  Yasuhiro Oya ,  Hidekazu Yaguchi ,  Hirokazu Hamano ,  Haruhide Ishida

Inventor： Masanobu Ninomiya ,  Yasuhiro Oya ,  Hidekazu Yaguchi ,  Hirokazu Hamano ,  Haruhide Ishida

IPC: G03G9097

CPC classification number: G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G13/20

Abstract: A toner for developing an electrostatic latent image, wherein in regard to the molecular weight by GPC of the THF dissolved components of the toner, the ratio of at least 5×105 in the integral molecular weight distribution is not higher than 1% by weight, the ratio of not higher than 3×103 is not higher than 30% by weight, and the ratio {W(5×103)/W(1×105)} of the ratio {W(5×103)} of not higher than 5×103 to the ratio {W(1×105)} of at least 1×105 is from 15 to 50. Also, the molecular weight by GPC of the THF dissolved components of the toner is distributed in the range of not larger than 1×106, the value of the differential molecular weight distribution of the molecular weight of 5×103 is not larger than 0.55%, and the value of the differential molecular weight distribution of the molecular weight of 1×105 is not larger than 0.15%.

Abstract translation: 用于显影静电潜像的调色剂，其中关于调色剂的THF溶解组分通过GPC的分子量，在整体分子量分布中至少5×10 5的比率不高于1重量％ ，不高于3×10 3的比例不高于30重量％，比例{W（5×10 -3）/ W（5×10 3）/ W（1×10 5） 至少1×10 5的比率（W（1×10 5））不高于5×10 3的比例为15至50.此外，调色剂的THF溶解组分的GPC分子量 分布在不大于1×10 6的范围内，分子量为5×10 3的差分分子量分布的值不大于0.55％，分子的分子量分布值 1×10 5的重量不大于0.15％。

公开(公告)号：US5884129A

公开(公告)日：1999-03-16

申请号：US863914

申请日：1997-05-27

Applicant: Masanori Ichimura ,  Michio Take ,  Hidekazu Yaguchi ,  Masaki Hashimoto ,  Takashi Imai ,  Hiroshi Takano ,  Masahiro Takagi ,  Akihiro Iizuka ,  Yuka Ishihara

Inventor： Masanori Ichimura ,  Michio Take ,  Hidekazu Yaguchi ,  Masaki Hashimoto ,  Takashi Imai ,  Hiroshi Takano ,  Masahiro Takagi ,  Akihiro Iizuka ,  Yuka Ishihara

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/10 ,  G03G13/08 ,  G03G15/08 ,  G03G15/09

CPC classification number: G03G9/0821 ,  G03G13/08 ,  G03G9/0904 ,  G03G9/10

Abstract: An electrostatic-image developer which comprises: (i) a toner comprising: (a) toner particles containing carbon black in an amount of from 6 to 8% by weight based on the weight of the toner particles and having a volume-average particle diameter of from 3 to 9 .mu.m; and (b) an external additive; and (ii) a resin-coated carrier having a volume resistivity of from 10.sup.7 to 10.sup.11 .OMEGA..multidot.cm in an electric field of 10.sup.3.8 V/cm and an average particle diameter of from 30 to 60 .mu.m. Also disclosed are a process for forming a black image and a process for forming a full-color image each using the electrostatic-image developer.

Abstract translation: 一种静电图像显影剂，其包括：（i）调色剂，其包含：（a）基于调色剂颗粒的重量，含有6至8重量％的碳黑的调色剂颗粒，并且具有体积平均粒径 3〜9亩; 和（b）外部添加剂; 和（ii）电场为103.8V / cm，平均粒径为30〜60μm的体积电阻率为107〜1011欧米伽×厘米的树脂被覆载体。 还公开了一种用于形成黑色图像的过程和用于形成使用静电图像显影剂的全色图像的处理。

公开(公告)号：US07288351B2

公开(公告)日：2007-10-30

申请号：US10793736

申请日：2004-03-08

Applicant: Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

Inventor： Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

IPC: G03G9/09

CPC classification number: G03G9/09 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0906 ,  G03G9/091 ,  G03G9/092 ,  G03G9/0926

Abstract: A magenta toner for developing electrostatic images provided which contains a binder resin and a colorant, wherein the colorant includes a mixed crystal of two or more colorants and when a solid patch is fixed on art paper complying with the ISO standard by using this toner, a resulting fixed image color satisfies at least one of the following formulae (b*) −7.94(a*)+591.85. The color difference ΔE between the color of the fixed image and the color characterized by L*: 46.6, a*: 75.1 and b*: −4.4 is preferably less than 6. The colorant is preferably a mixed crystal of a quinacridone colorant and a monoazo colorant. Moreover, the invention provides a method for producing the magenta toner, a developer containing the magenta toner, and an image-forming method using the magenta toner.

Abstract translation: 用于显影静电图像的品红色调色剂包含粘合剂树脂和着色剂，其中着色剂包括两种或更多种着色剂的混合晶体，并且当通过使用该调色剂将固体贴片固定在符合ISO标准的工艺纸上时， 得到的固定图像颜色满足以下公式（b *）<0.85（a *）-67.92中的至少一个; 和（b *）> - 7.94（a *）+ 591.85。 固定图像的颜色与以L *：46.6，a *：75.1和b *：-4.4为特征的颜色之间的色差ΔE优选小于6.着色剂优选为喹吖啶酮着色剂和 单偶氮染料。 此外，本发明提供了生产品红色调色剂的方法，含有品红色调色剂的显影剂和使用品红色调色剂的图像形成方法。

公开(公告)号：US20060051691A1

公开(公告)日：2006-03-09

申请号：US11223048

申请日：2005-09-12

Applicant: Tomohito Nakajima ,  Satoshi Yoshida ,  Hidekazu Yaguchi ,  Takahisa Fujii ,  Yasuo Matsumura

Inventor： Tomohito Nakajima ,  Satoshi Yoshida ,  Hidekazu Yaguchi ,  Takahisa Fujii ,  Yasuo Matsumura

IPC: G03G9/08

CPC classification number: G03G9/08797 ,  G03G9/0804 ,  G03G9/0827 ,  G03G9/08704 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08713 ,  G03G9/08715 ,  G03G9/08717 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08782 ,  G03G9/08795

Abstract: A toner for developing an electrostatic latent image is provided that can prevent occurrence of blister even with coated paper having a coated surface, exhibits excellent releasing performance in oilless fixing, and realizes both high glossiness and OHP transparency for an image to be formed. A process for producing the toner, a developer containing the toner, and a process for forming an image using the toner are also provided. The toner for developing an electrostatic latent image contains a binder resin, a releasing agent and a colorant, in which the binder resin has a number average molecular weight (Mn) in a range of from 9,000 to 18,000 and a molecular weight distribution represented by a ratio (Mw/Mn) of a weight average molecular weight (Mw) and a number average molecular weight (Mn) of 2.5 or less, and the binder resin contains a vinyl resin.

Abstract translation: 提供了用于显影静电潜像的调色剂，即使是具有涂布表面的涂布纸也能防止发生起泡，在无油定影中表现出优异的脱模性能，并且对于要形成的图像实现高光泽度和OHP透明度。 还提供了生产调色剂的方法，含有调色剂的显影剂和使用调色剂形成图像的方法。 用于显影静电潜像的调色剂含有粘合剂树脂，脱模剂和着色剂，其中粘合剂树脂的数均分子量（Mn）在9,000至18,000范围内，分子量分布由 重均分子量（Mw）和数均分子量（Mn）的比（Mw / Mn）为2.5以下，粘合剂树脂含有乙烯基树脂。