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1. 发明授权

US07022449B2 Black toner with defined loss tangent 失效
标题翻译：黑色墨粉具有确定的损耗角正切
公开(公告)号：US07022449B2
公开(公告)日：2006-04-04
申请号：US10629751
申请日：2003-07-30
申请人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
发明人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0827 , G03G9/08706 , G03G9/08708 , G03G9/08713 , G03G9/08715 , G03G9/08717 , G03G9/0872 , G03G9/08722 , G03G9/08724 , G03G9/08726 , G03G9/08728 , G03G9/08731 , G03G9/08733 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/0904 , G03G9/09783
摘要： To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tan δ (103 to 104 Hz) of the toner is represented by the following expression: tan δ(103 to 104 Hz)≦0.0060 where the loss tangent tan δ is represented by ∈″/∈′ where ∈″ denotes dielectric loss factor and ∈′ denotes dielectric constant, and tan δ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tan δ (105 Hz) to tan δ (5×104 Hz) is represented by the following expression: 1.05≦tan δ(105 Hz)/tan δ(5×104 Hz)≦1.40 where tan δ (105 Hz) denotes loss tangent at the frequency of 105 Hz and tan δ (5×104 Hz) denotes loss tangent at the frequency of 5×104 Hz.
摘要翻译：为了提供具有优异的充电性能和转印性能的黑色调色剂，以防恶劣的环境变化。黑色调色剂包括至少含有粘合剂树脂，炭黑和脱模剂的调色剂颗粒，其中：调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960，调色剂的损耗角正切tanδ（10 3至10 4 Hz）由以下表达式表示：<？in-line-formula description =“In-Line Formulas “end =”lead“？>tanδ（10 <3> <10> 4Hz）<= 0.0060 <？in-line-formula description =”In-line Formulas“ end =“tail”？>其中损耗正切tanδ由∈“/∈”表示，其中∈“表示介电损耗因子，∈'表示介电常数，tanδ（10 <3> 至10 4Hz）表示在10 3至10 4Hz的频率范围内的损耗角正切; 并且tanδ（10Hz）与tanδ（5×10 4 Hz）的比率由以下表达式表示：<？in-line-formula description =“ 在线公式“end =”lead“？> 1.05 <= TAN delta（10Hz）/tanδ（5×10 4 Hz）<= 1.40 < -line-formula description =“In-line Formulas”end =“tail”？>其中，tanδ（10Hz）表示频率为10 5的损耗角正切， Hz和tanδ（5×10 4 Hz）表示频率为5×10 4 Hz的损耗角正切。

2. 发明申请

US20060014095A1 Black toner with defined loss tangent 失效
标题翻译：黑色墨粉具有确定的损耗角正切
公开(公告)号：US20060014095A1
公开(公告)日：2006-01-19
申请号：US11225169
申请日：2005-09-14
申请人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
发明人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
IPC分类号： G03G9/087 , G03G9/097
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0827 , G03G9/08706 , G03G9/08708 , G03G9/08713 , G03G9/08715 , G03G9/08717 , G03G9/0872 , G03G9/08722 , G03G9/08724 , G03G9/08726 , G03G9/08728 , G03G9/08731 , G03G9/08733 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/0904 , G03G9/09783
摘要： To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tan δ (103 to 104 Hz) of the toner is represented by the following expression: tan δ (103 to 104 Hz)≦0.0060 where the loss tangent tan δ is represented by ε″/ε′ where ε″ denotes dielectric loss factor and ε′ denotes dielectric constant, and tan δ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tan δ (105 Hz) to tan δ (5×104 Hz) is represented by the following expression: 1.05≦tan δ (105 Hz)/tan δ (5×104 Hz)≦1.40 where tan δ (105 Hz) denotes loss tangent at the frequency of 105 Hz and tan δ (5×104 Hz) denotes loss tangent at the frequency of 5×104 Hz.
摘要翻译：为了提供具有优异的充电性能和转印性能的黑色调色剂，以防恶劣的环境变化。黑色调色剂包括至少含有粘合剂树脂，炭黑和脱模剂的调色剂颗粒，其中：调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960，调色剂的损耗角正切tanδ（10 3至10 4 Hz）由以下表达式表示：<？in-line-formula description =“In-Line Formulas “end =”lead“？>tanδ（10 <3> <10> 4Hz）<= 0.0060 <？in-line-formula description =”In-line Formulas“ end =“tail”？>其中损耗正切tanδ由ε“/ epsilon表示，其中ε”表示介电损耗因子，ε“表示介电常数，tanδ（10 < 至10 4Hz）表示在10 3至10 4Hz的频率范围内的损耗角正切; 并且tanδ（10Hz）与tanδ（5×10 4 Hz）的比率由以下表达式表示：<？in-line-formula description =“ 在线公式“end =”lead“？> 1.05 <= TAN delta（10Hz）/tanδ（5×10 4 Hz）<= 1.40 < -line-formula description =“In-line Formulas”end =“tail”？>其中，tanδ（10Hz）表示频率为10 5的损耗角正切， Hz和tanδ（5×10 4 Hz）表示频率为5×10 4 Hz的损耗角正切。

3. 发明授权

US07300733B2 Black toner with defined loss tangent 失效
标题翻译：黑色墨粉具有确定的损耗角正切
公开(公告)号：US07300733B2
公开(公告)日：2007-11-27
申请号：US11225169
申请日：2005-09-14
申请人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
发明人： Nobuyoshi Sugahara , Takaaki Kohtaki , Yasuhiro Ichikawa , Tetsuya Ida , Kazuhiko Hayami , Nozomu Komatsu
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0827 , G03G9/08706 , G03G9/08708 , G03G9/08713 , G03G9/08715 , G03G9/08717 , G03G9/0872 , G03G9/08722 , G03G9/08724 , G03G9/08726 , G03G9/08728 , G03G9/08731 , G03G9/08733 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/0904 , G03G9/09783
摘要： To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tanδ (103 to 104 Hz) of the toner is represented by the following expression: tanδ (103 to 104 Hz)≦0.0060 where the loss tangent tanδ is represented by ε″/ε′ where ε″ denotes dielectric loss factor and ε′ denotes dielectric constant, and tanδ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tanδ (105 Hz) to tanδ (5×104 Hz) is represented by the following expression: 1.05≦tanδ (105 Hz)/tanδ (5×104 Hz)≦1.40 where tanδ (105 Hz) denotes loss tangent at the frequency of 105 Hz and tanδ (5×104 Hz) denotes loss tangent at the frequency of 5×104 Hz.
摘要翻译：为了提供具有优异的充电性能和转印性能的黑色调色剂，以防恶劣的环境变化。黑色调色剂包括至少含有粘合剂树脂，炭黑和脱模剂的调色剂颗粒，其中：调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960，调色剂的损耗正切塔兰塔（10 3至10 4 Hz）由以下表达式表示：<？in-line-formula description =“在线公式” end =“lead”？> tandelta（10 3至10 4 Hz）<= 0.0060 <？in-line-formula description =“In-line Formulas”end = “tail”？>其中损耗正切tandelta由ε“/ epsilon”表示，其中epsilon表示介电损耗因子，ε表示介电常数，tandelta（10 3〜10 > 4Hz）表示在10 3至10 4 Hz的频率范围内的损耗角正切; 并且tandelta（10Hz）与tandelta（5×10 4 Hz）的比率由以下表达式表示：<？in-line-formula description =“In- 线公式“end =”lead“？> 1.05 <= TANdelta（10Hz）/ tandelta（5×10 4 Hz）<= 1.40 < 描述=“在线公式”end =“tail”？>其中tandelta（10Hz）表示在10Hz频率下的损耗角正切和tandelta（5×10 5 4Hz）表示频率为5×10 4 Hz的损耗角正切。

4. 发明授权

US06528222B2 Toner 有权
公开(公告)号：US06528222B2
公开(公告)日：2003-03-04
申请号：US09900037
申请日：2001-07-09
申请人： Takaaki Kohtaki , Wakashi Iida , Nobuyoshi Sugahara , Takayuki Itakura , Yojiro Hotta
发明人： Takaaki Kohtaki , Wakashi Iida , Nobuyoshi Sugahara , Takayuki Itakura , Yojiro Hotta
IPC分类号： G03G900
CPC分类号： G03G9/08782 , G03G9/08702 , G03G9/08755 , G03G9/09733 , G03G9/09775
摘要： A toner, particularly a color toner suitable for full-color image formation through a substantially oil-less heat-pressure fixing device, is formed from at least a binder resin, a colorant and a wax. The binder resin comprises a polyester-based resin selected from the group consisting of (a) a polyester resin, (b) a hybrid resin having a polyester unit and a vinyl polymer unit, and (c) a mixture of these resins. The wax is characterized by including a structural unit including an OH group, an amide, or an ester group at a specific position.

5. 发明授权

US06187490B1 Resin-coated carrier, two-component developer and image forming method 有权
标题翻译：树脂涂层载体，双组分显影剂和成像方法
公开(公告)号：US06187490B1
公开(公告)日：2001-02-13
申请号：US09526473
申请日：2000-03-15
申请人： Masaaki Taya , Takaaki Kohtaki , Yasuhiro Ichikawa
发明人： Masaaki Taya , Takaaki Kohtaki , Yasuhiro Ichikawa
IPC分类号： G03G1301
CPC分类号： G03G9/10 , G03G9/107
摘要： A two-component developer suitable for electrophotography is formed of a toner and a resin-coated carrier. The resin-coated carrier is formed of carrier core particles and 0.01-2.0 wt. % based on the carrier core particles of a resin coating layer coating the carrier core particles. The resin-coated carrier has an average particle size of 25-55 &mgr;m and the carrier core particles comprise a ferrite component represented by formula (I) below: (Fe2O3)a(MnO)b(MgO)c(A)d (I), wherein A represents a mixture of SrO, CaO and Al2O3, and a, b, c and d are numbers representing mol fractions of associated components and satisfying: 0.4
摘要翻译：适用于电子照相术的双组分显影剂由调色剂和树脂涂布载体形成。树脂涂层载体由载体芯颗粒和0.01-2.0重量％基于载体芯颗粒的载体芯颗粒涂覆载体芯颗粒。树脂涂布载体的平均粒径为25-55μm，载体芯粒子包含由下式（I）表示的铁氧体组分：其中A表示SrO，CaO和Al 2 O 3的混合物，a，b，c d表示相关成分的摩尔分数，满足：0.4

6. 发明授权

US06623901B1 Toner for developing electrostatic image 失效
标题翻译：用于显影静电图像的调色剂
公开(公告)号：US06623901B1
公开(公告)日：2003-09-23
申请号：US08992427
申请日：1997-12-18
申请人： Takaaki Kohtaki , Makoto Unno , Yushi Mikuriya , Tadashi Doujo
发明人： Takaaki Kohtaki , Makoto Unno , Yushi Mikuriya , Tadashi Doujo
IPC分类号： G03G9083
CPC分类号： G03G9/08795 , G03G9/08755 , G03G9/09733
摘要： A toner for developing an electrostatic image is constituted by a binder resin and a long-chain compound. The binder resin is a polyester resin or vinyl resin respectively having an acid value of preferably 25-70 mgKOH/g. The long-chain compound is a long-chain alkyl alcohol having an OH value of 10-120 mgKOH/g or a long-chain alkyl carboxylic acid having an acid value of 5-120 mgKOH/g and is contained so as to satisfy a condition of the following formula (1) or formula (2): Formula (1) acid value of binder resin +OH value of long-chain alkyl alcohol >(¼)×OH value of binder resin, or Formula (2) acid value of binder resin +acid value of long-chain alkyl carboxylic acid >(¼)×OH value of binder resin. The toner is characterized by a good balance between fixing performances and developing performances suitable for a variety of models of image forming apparatus and in wide ranges of environmental conditions.
摘要翻译：用于显影静电图像的调色剂由粘合剂树脂和长链化合物构成。粘合剂树脂是分别具有优选25-70mgKOH / g的酸值的聚酯树脂或乙烯基树脂。长链化合物是OH值为10〜120mgKOH / g的长链烷基醇或酸值为5-120mgKOH / g的长链烷基羧酸，其含有以满足下式（1）或式（2）的条件：式（1）粘合剂树脂的酸值+长链烷基醇的OH值>（¼）粘合剂树脂的xOH值，或式（2）粘合剂的酸值树脂+长链烷基羧酸的酸值>（¼）xOH值的粘合剂树脂。调色剂的特征在于适用于多种型号的图像形成装置的定影性能和显影性能之间的良好平衡以及广泛的环境条件。

7. 发明授权

US06586147B2 Toner and full-color image forming method 有权
标题翻译：调色剂和全彩图像形成方法
公开(公告)号：US06586147B2
公开(公告)日：2003-07-01
申请号：US09900039
申请日：2001-07-09
申请人： Wakashi Iida , Takaaki Kohtaki , Nobuyoshi Sugawara , Takayuki Itakura , Yojiro Hotta
发明人： Wakashi Iida , Takaaki Kohtaki , Nobuyoshi Sugawara , Takayuki Itakura , Yojiro Hotta
IPC分类号： G03G9087
CPC分类号： G03G9/0821 , G03G9/08782 , G03G9/08795 , G03G9/08797
摘要： A toner, particularly a color toner suitable for full-color image formation through a substantially oil-less heat-pressure fixing device, is formed from at least a binder resin, a colorant and a wax. The toner has viscoelasticity including: a storage modulus at 80° C. (G′80) in a range of 1×106-1×1010 dN/m2, storage moduli at temperatures of 120-180° C. (G′120-180) in a range of 5×103-1×106 dN/m2, and loss tangents (tan &dgr;=G″/G′ as a ratio between G″ (loss modulus) and G′ (storage molecules)) including a loss tangent at 180° C. (tan &dgr;180) and a minimum of loss tangents over a temperature range of 120-180 ° C. (tan &dgr;min) satisfying 1≦tan &dgr;180/tan &dgr;min. The toner further exhibits a thermal behavior providing a heat-absorption curve according to differential scanning calorimetry (DSC) showing a maximum heat-absorption peak temperature in a range of 50-110° C. in a temperature range of 30-200° C.
摘要翻译：至少粘合剂树脂，着色剂和蜡形成调色剂，特别是适用于通过基本无油的热压定影装置进行全色图像形成的彩色调色剂。调色剂具有粘弹性，包括：在80℃（G'80）的范围为1×10 6 -1×10 11 dN / m 2的储能模量，在120-180℃的温度下的储存模量（G'120-180）范围为5×10 3 -1×10 6 dN / m 2，损耗角正切（tanδ= G“/ G'为G'（损耗模量）与G'（保存分子）之间的比率），包括180℃的损耗角正切（tanδ180）和在120-180℃的温度范围内的最小损耗角正切（tan deltamin）满足1 <=tanδ180 / tan deltamin。调色剂进一步表现出根据差示扫描量热法（DSC）提供热吸收曲线的热性能，其显示在30-200℃的温度范围内的最大吸热峰温度在50-110℃的范围内。

8. 发明授权

US06365314B1 Toner for developing electrostatic image, image forming method and process cartridge 失效
标题翻译：用于显影静电图像，成像方法和处理盒的调色剂
公开(公告)号：US06365314B1
公开(公告)日：2002-04-02
申请号：US09457138
申请日：1999-12-09
申请人： Koichi Tomiyama , Takaaki Kohtaki , Manabu Ohno , Makoto Unno , Yushi Mikuriya , Nobuyuki Okubo , Tadashi Doujo , Shunji Suzuki
发明人： Koichi Tomiyama , Takaaki Kohtaki , Manabu Ohno , Makoto Unno , Yushi Mikuriya , Nobuyuki Okubo , Tadashi Doujo , Shunji Suzuki
IPC分类号： G03G9097
CPC分类号： G03G9/0819 , G03G9/0975 , G03G9/09783 , G03G15/08
摘要： A toner for developing electrostatic images. having a uniform composition and uniform performances over varying sizes of toner particles is constituted by (a) a binder resin, (b) a long-chain alkyl compound and (c) a specific azo-type iron complex. The long-chain alkyl compound is represented by the following formula (1), (2) or (3): CH3&Parenopenst;CH2&Parenclosest;xCH2OH (1), CH3&Parenopenst;CH2&Parenclosest;yCH2COOH (3), wherein x and y independently denote an average value in the range of 35-150.
摘要翻译：用于静电图像显影的调色剂。具有均匀的组成和不同尺寸的调色剂颗粒的均匀性能由（a）粘合剂树脂，（b）长链烷基化合物和（c）特定的偶氮型铁络合物构成。长链烷基化合物由下式（1），（2）或（3）表示：其中x和y独立地表示在35-150范围内的平均值。

9. 发明授权

US5439770A Toner for developing electrostatic image, image forming apparatus and process cartridge 失效
标题翻译：用于静电图像显影的调色剂，成像设备和处理盒
公开(公告)号：US5439770A
公开(公告)日：1995-08-08
申请号：US228269
申请日：1994-04-15
申请人： Masaaki Taya , Takaaki Kohtaki , Makoto Unno , Tadashi Doujo
发明人： Masaaki Taya , Takaaki Kohtaki , Makoto Unno , Tadashi Doujo
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/091
摘要： A toner for developing an electrostatic image is constituted by at least a binder resin and a charge control agent. The binder resin has an acid value of 5-50. The charge control agent comprises an iron complex represented by the following formula: ##STR1## wherein X.sub.1 and X.sub.2 independently denote hydrogen atom, lower alkyl group, lower alkoxy group, nitro group or halogen atom; m and m' denote an integer of 1-3; R.sub.1 and R.sub.3 independently denote hydrogen atom, C.sub.1-18 alkyl or alkenyl, sufonamide, mesyl, sulfonic acid group, carboxy ester group, hydroxy, C.sub.1-18 alkoxy, acetylamino, benzoylamino or halogen atom; n and n' denote an integer of 1-3; R.sub.2 and R.sub.4 denote hydrogen atom or nitro group; and A.sup.+ denotes hydrogen ion, sodium ion, potassium ion or ammonium ion. The toner has a weight-average particle size (D.sub.4) of 4-9 .mu.m and including toner particles having a particle size of 5 .mu.m or smaller at 3-90% by number, toner particles having a particle size of 6.35-10.08 .mu.m at 1-80% by number and toner particles having a particle size of 12.7 .mu.m or larger at a percentage by volume of at most 2.0%, wherein the toner particles having a particle size of 5.0 .mu.m or smaller are contained at N % by number and at V % by volume satisfying a relationship:N/V=-0.05N+k,wherein k is a positive number in the range of 3.0-7.5.
摘要翻译：用于显影静电图像的调色剂由至少粘合剂树脂和电荷控制剂构成。粘合剂树脂的酸值为5-50。电荷控制剂包括由下式表示的铁络合物：氢原子，低级烷基，低级烷氧基，硝基或卤素原子; m和m'表示1-3的整数; R1和R3独立地表示氢原子，C1-18烷基或烯基，磺酰胺，甲磺酰基，磺酸基，羧基酯基，羟基，C1-18烷氧基，乙酰氨基，苯甲酰氨基或卤素原子; n和n'表示1-3的整数; R2和R4表示氢原子或硝基; A +表示氢离子，钠离子，钾离子或铵离子。调色剂的重均粒径（D4）为4-9μm，包括粒径为5μm以下的调色剂颗粒为3-90％，调色剂颗粒的粒径为6.35-10.08 以数量为1-80％的粒径和粒径为12.7μm或更大的调色剂颗粒，其体积百分比至多为2.0％，其中粒径为5.0μm或更小的调色剂颗粒包含在 N％数，体积V％满足关系：N / V = -0.05N + k，其中k为3.0-7.5范围内的正数。

10. 发明授权

US5250382A Toner for developing electrostatic image, and image fixing method 失效
标题翻译：用于显影静电图像的调色剂和图像定影方法
公开(公告)号：US5250382A
公开(公告)日：1993-10-05
申请号：US813677
申请日：1991-12-26
申请人： Minoru Shimojo , Takaaki Kohtaki , Tsuyoshi Takiguchi
发明人： Minoru Shimojo , Takaaki Kohtaki , Tsuyoshi Takiguchi
IPC分类号： G03G9/087
CPC分类号： G03G9/087 , G03G9/08795 , G03G9/08797
摘要： A toner for developing an electrostatic image has toner particles containing i) a binder resin comprising a resin composition with a domain-matrix structure and ii) a colorant.The resin composition with a domain-matrix a structure is comprised of a resin P1 that forms domain particles and a resin P2 that forms a matrix. The resin P1 has a glass transition temperature Tg1 of from 0.degree. C. to 60.degree. C., and the resin P2 has a glass transition temperature Tg2 of from 40.degree. C. to 90.degree. C. The glass transition temperature Tg2 of the resin P2 is at least 5.degree. C. higher than the glass transition temperature Tg1 of the resin P1, and the domain particles having an average particle diameter of not larger than 5 .mu.m.

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