-
公开(公告)号：US07147981B2
公开(公告)日：2006-12-12
申请号：US10809458
申请日：2004-03-26
IPC分类号： G03G9/087
CPC分类号： G03G9/08728 , G03G9/08711 , G03G9/08726 , G03G9/08737 , G03G9/0874
摘要： In a toner having toner particles having at least a binder resin and a colorant, the binder resin in the toner contains at least i) a vinyl resin formed of a vinyl resin having at least a carboxyl group and a vinyl resin having at least an epoxy group, and having a cross-linked structure formed by the reaction of the carboxyl group of the former with the epoxy group of the latter, and ii) a copolymer having an aliphatic conjugated diene compound as a monomer component; and the binder resin in the toner has a THF-insoluble matter in a content of from 0.1% by weight to 60% by weight, and the copolymer having an aliphatic conjugated diene compound as a monomer component is incorporated in an o-dichlorobenzene-soluble matter of the THF-insoluble matter. This toner has superior developing stability and running performance in high-speed machines, and can keep fixing separation claws from contamination.
摘要翻译： 在具有至少具有粘合剂树脂和着色剂的调色剂颗粒的调色剂中，调色剂中的粘合剂树脂至少包含i）至少具有羧基的乙烯基树脂形成的乙烯基树脂和至少具有环氧基的乙烯基树脂 并且具有由前者的羧基与后者的环氧基反应形成的交联结构，和ii）具有脂肪族共轭二烯化合物作为单体成分的共聚物; 并且调色剂中的粘合剂树脂具有含量为0.1重量％至60重量％的THF不溶物质，并且将具有作为单体组分的脂族共轭二烯化合物的共聚物掺入邻二氯苯可溶 THF不溶物的物质。 该调色剂在高速机器中具有优异的显影稳定性和运行性能，并且可以保持固定分离爪免受污染。
-
公开(公告)号：US06670087B2
公开(公告)日：2003-12-30
申请号：US09985517
申请日：2001-11-05
IPC分类号： G03G900
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/0823 , G03G9/08708 , G03G9/08726 , G03G9/08728
摘要： In a toner comprising a binder resin and a colorant, the toner contains as the binder resin at least a vinyl resin selected from the group consisting of i) a vinyl resin having a carboxyl group and a vinyl resin having an epoxy group, ii) a vinyl resin having a carboxyl group and an epoxy group and iii) a vinyl resin produced by the reaction of a carboxyl group with an epoxy group, and the toner has, in its dielectric dissipation factor (tan &dgr;), at least a maximum value and a minimum value in the temperature range of from 20° C. to 150° C., and, where the maximum value is represented by Max and the minimum value by Min, has a value of log10(Max/Min)≦2. Also disclosed are an image-forming apparatus, a process cartridge and an image-forming method which make use of the toner.
-
13.发明授权Toner and developer for developing electrostatic image, process for production thereof and image forming method 失效用于显影静电图像的调色剂和显影剂，其制备方法和成像方法公开(公告)号：US06187496B1
公开(公告)日：2001-02-13
申请号：US08821071
申请日：1997-03-20
申请人： Hirohide Tanikawa , Toshiaki Nakahara , Keita Nozawa , Kazuyoshi Hagiwara , Minoru Shimojo , Rika Shinba , Masami Fujimoto , Tsutomu Onuma
发明人： Hirohide Tanikawa , Toshiaki Nakahara , Keita Nozawa , Kazuyoshi Hagiwara , Minoru Shimojo , Rika Shinba , Masami Fujimoto , Tsutomu Onuma
IPC分类号： G03G9083
CPC分类号： G03G9/10 , G03G9/083 , G03G9/0834 , G03G9/0839 , G03G9/087 , G03G9/08746 , G03G9/08773 , G03G9/08782 , G03G9/08791 , G03G9/08797 , G03G9/09 , G03G9/0904 , G03G9/0906 , G03G9/097 , G03G9/09733 , G03G9/09766 , G03G9/107 , Y10S430/102
摘要： A toner for developing an electrostatic image is formed of toner particles; wherein each toner particle includes (i) 100 wt. parts of a binder resin having a glass transition point (Tg) of 50-70° C., (ii) 0.2-20 wt. parts of solid wax, and (iii) colorant particles or magnetic powder, (iv) lubricant particles carrying a liquid lubricant, so that the toner particle retains at its surface the liquid lubricant gradually released from the particles (iv). The toner may be further blended with an organically treated inorganic fine powder to provide a developer. The toner or developer retains good lubricity and releasability so that it is suitable to be used in an image forming method including means contacting a latent image-bearing means, such as a contact charging means, a contact transfer means or a contact cleaning means.
摘要翻译： 用于显影静电图像的调色剂由调色剂颗粒形成; 其中每个调色剂颗粒包括（i）100重量％ 玻璃化转变点（Tg）为50-70℃的粘合剂树脂的部分，（ii）0.2-20重量％ 部分固体蜡，和（iii）着色剂颗粒或磁性粉末，（iv）载有液体润滑剂的润滑剂颗粒，使得调色剂颗粒在其表面保留液体润滑剂从颗粒（iv）逐渐释放。 调色剂可以进一步与有机处理的无机细粉混合以提供显影剂。 调色剂或显影剂保持良好的润滑性和脱模性，因此适合用于图像形成方法，包括使潜像承载装置（例如接触充电装置，接触转印装置或接触清洁装置）接触的装置。
-
公开(公告)号：US5447813A
公开(公告)日：1995-09-05
申请号：US352748
申请日：1994-12-02
CPC分类号： G03G9/08706 , G03G9/08702 , G03G9/08711
摘要： A toner for developing an electrostatic image is composed by a binder resin, and a magnetic material and/or a colorant. The binder resin (a) comprises a styrene resin polymerized in the presence of a poly-functional polymerization initiator, (b) provides a molecular weight distribution on a GPC chromatogram showing a maximum (P1) in a molecular weight range of 3.5.times.10.sup.3 -5.times.10.sup.4 and a maximum (P2) or shoulder in a molecular weight range of at least 1.times.10.sup.5, and (c) contains 15 wt. % or less of a resin component in a molecular weight range of at most 3.times.10.sup.3. Further the toner contains at most 100 ppm of styrene and benzaldehyde.
摘要翻译： 用于显影静电图像的调色剂由粘合剂树脂，磁性材料和/或着色剂组成。 粘合剂树脂（a）包括在多官能聚合引发剂存在下聚合的苯乙烯树脂，（b）提供在GPC色谱图上的分子量分布，其显示分子量范围为3.5×103-3×104的最大值（P1） 和至少1×10 5的分子量范围内的最大（P2）或肩峰，和（c）含有15wt。 分子量范围在3×10 3以下的树脂成分的％以下。 此外，调色剂含有至多100ppm的苯乙烯和苯甲醛。
-
公开(公告)号：US5436701A
公开(公告)日：1995-07-25
申请号：US341930
申请日：1994-11-16
CPC分类号： G03G9/083 , G03G9/08704 , G03G5/0532 , G03G5/14 , G03G9/08791
摘要： The present invention relates to an electrophotographic image forming method characterized in using a photosensitive member having an organic photoconductive layer and fluorine-containing resin particles in the surface, a contact charging means being in contact with the photosensitive member to electrostatically charge it, a contact transfer means being in contact with the photosensitive member to transfer the developed image to the transfer medium;wherein the toner to be used for developing the latent image is a magnetic toner comprising at least a magnetic material and a binder resin, wherein the binder resin contains a polymer synthesized from vinyl monomer in the presence of an aromatic organic solvent in an amount of 50 parts by weight or more on the basis of 100 parts of the binder resin, and the amount of the residual aromatic organic solvent in the magnetic toner is 500 ppm by weight or less.
摘要翻译： 本发明涉及一种电子照相成像方法，其特征在于在表面上使用具有有机光电导层和含氟树脂颗粒的感光构件，接触充电装置与感光构件接触以对其进行静电充电，接触转印 意指与感光构件接触以将显影图像转印到转印介质上; 其中用于显影潜像的调色剂是至少包含磁性材料和粘合剂树脂的磁性调色剂，其中所述粘合剂树脂含有由乙烯基单体在芳族有机溶剂存在下合成的聚合物，其量为50 基于100份粘合剂树脂重量份或更多份，并且磁性调色剂中残留芳族有机溶剂的量为500重量ppm以下。
-
公开(公告)号：US08293447B2
公开(公告)日：2012-10-23
申请号：US13166673
申请日：2011-06-22
IPC分类号： G03G9/087
CPC分类号： G03G9/08797 , G03G9/08711
摘要： An object of the present invention is to provide a toner which allows fixation at low temperatures, which is excellent in anti-offset ability, and which provides a high quality image at high and low humidities in a stable manner without causing any image defect over time. Provided is a toner, containing at least a binder resin and a colorant in which: the binder resin in the toner contains 60% by mass or more of a styrene/acryl resin and a THF-insoluble fraction A which is an extraction residue obtained by carrying out Soxhlet extraction with tetrahydrofuran (THF) for 16 hours; the THF-insoluble fraction A contains a TOL-insoluble fraction B which is an extraction residue obtained by carrying out Soxhlet extraction with toluene (TOL) for 16 hours; and a mass ratio (B/A) between the THF-insoluble fraction A and the TOL-insoluble fraction B is in the range of 0.1≦B/A≦0.5.
摘要翻译： 本发明的目的是提供一种允许在低温下固定的调色剂，其抗偏移能力优异，并且以稳定的方式在高低湿度下提供高质量的图像，而不会随着时间的流逝而引起任何图像缺陷 。 提供了至少含有粘合剂树脂和着色剂的调色剂，其中：调色剂中的粘合剂树脂含有60质量％以上的苯乙烯/丙烯酸树脂和作为由 用四氢呋喃（THF）进行索格利特萃取16小时; THF不溶性级分A含有TOL不溶级分B，它是通过用甲苯（TOL）进行索格利特萃取16小时获得的萃取残留物; THF不溶部分A和TOL不溶部分B之间的质量比（B / A）在0.1＆lt; 1EE; B / A＆lt; NlE; 0.5的范围内。
-
公开(公告)号：US20120196219A1
公开(公告)日：2012-08-02
申请号：US13354078
申请日：2012-01-19
IPC分类号： G03G9/087
CPC分类号： G03G9/0835 , G03G9/0836 , G03G9/08755 , G03G9/09708 , G03G9/09783
摘要： Provided is a magnetic toner capable of preventing electrostatic offset while attaining a high image quality by a high speed machine. The magnetic toner comprises magnetic toner particles, each of which contains a binder resin and a magnetic material, and a fine inorganic powder, in which the binder resin contains a polyester unit, and the magnetic toner has a dielectric loss factor at 40° C. and 100 kHz of 0.40 pF/m or more but 1.00 pF/m or less and a dielectric loss factor at 150° C. and 100 kHz of 0.50 pF/m or more but 4.00 pF/m or less.
摘要翻译： 提供一种能够通过高速机器获得高图像质量的静电偏移的磁性调色剂。 磁性调色剂包括各自含有粘合剂树脂和磁性材料的磁性调色剂颗粒和粘合剂树脂含有聚酯单元的细无机粉末，并且磁性调色剂在40℃具有介电损耗系数。 并且在150℃和100kHz的介电损耗因子为0.50pF / m以上且4.00pF / m以下的情况下的介电损耗系数为0.40pF / m以上且1.00pF / m以下的100kHz。
-
公开(公告)号：US20110097655A1
公开(公告)日：2011-04-28
申请号：US13001052
申请日：2009-07-24
CPC分类号： G03G9/0836 , G03G5/0433 , G03G5/08214 , G03G5/14704 , G03G9/0833
摘要： Provided is an image-forming method, the method including: forming an electrostatic image on an electrostatic image bearing member which has been charged; developing the electrostatic image to form a toner image; transferring the toner image on the electrostatic image bearing member with or without mediating an intermediate transferring member onto a transfer material; and fixing the toner image on the transfer material, in which: the electrostatic image hearing member is a photosensitive member obtained by sequentially laminating a photoconductive layer and a surface layer formed of hydrogenated amorphous silicon carbide, and a sum of an atomic density of silicon atoms and an atomic density of carbon atoms in the surface layer of the photosensitive member is 6.60×1022 atoms/cm3 or more; and the toner has a binder resin and magnetic iron oxide particles, and the magnetic iron oxide particles contain Fe(2+) at a content of 20.0 mass % or more and 25.0 mass % or lees.
摘要翻译： 提供了一种图像形成方法，该方法包括：在已经充电的静电图像承载部件上形成静电图像; 显影静电图像以形成调色剂图像; 在有或没有介质中间转印部件转印到转印材料上的情况下将调色剂图像转印到静电图像承载部件上; 并且将调色剂图像定影在转印材料上，其中：静电图像听觉构件是通过顺序层叠光电导层和由氢化非晶碳化硅形成的表面层获得的感光构件，以及硅原子的原子密度之和 并且感光构件的表面层中的碳原子的原子密度为6.60×1022原子/ cm3以上; 并且调色剂具有粘合剂树脂和磁性氧化铁颗粒，并且磁性氧化铁颗粒含有20.0质量％以上且25.0质量％以下的Fe 2+。
-
公开(公告)号：US20080187853A1
公开(公告)日：2008-08-07
申请号：US12056917
申请日：2008-03-27
申请人： Syuhei Moribe , Katsuhisa Yamazaki , Daisuke Yoshiba , Junko Hirata , Masami Fujimoto , Takashige Kasuya
发明人： Syuhei Moribe , Katsuhisa Yamazaki , Daisuke Yoshiba , Junko Hirata , Masami Fujimoto , Takashige Kasuya
IPC分类号： G03G9/087
CPC分类号： G03G9/08795 , G03G9/08711 , G03G9/08755 , G03G9/08793 , G03G9/08797
摘要： The present invention aims to provide a toner having excellent developability and excellent low-temperature fixability without causing adhesion of ejected sheets even in a high-speed oilless fixing system and capable of preventing a frameless printing from causing a twisted offseting phenomenon. Specifically, provided is a toner having toner particles including at least a binder resin and a colorant, in which, when the toner is dissolved in a tetrahydrofuran (THF) solvent at 25° C. for 24 hours, the ratio of a THF-soluble matter having an intrinsic viscosity of 5.0×10−2 dl/g or less with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 15.0 mass % to 60.0 mass %, and the ratio of a THF-soluble matter having an intrinsic viscosity of 1.5×10−1 dl/g or more with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 20.0 mass % to 40.0 mass %.
摘要翻译： 本发明的目的在于提供一种即使在高速无油定影系统中也不会引起喷射片粘附并且能够防止无框印刷引起扭转偏移现象的显影性和优异的低温定影性的调色剂。 具体地说，提供了具有至少包含粘合剂树脂和着色剂的调色剂颗粒的调色剂，其中当调色剂在25℃下溶解在四氢呋喃（THF）溶剂中24小时时，THF可溶的比例 在GPC-RALLS-粘度计分析中，相对于THF可溶物的总量，特性粘度为5.0×10 -2 dl / g以下的物质为15.0质量％〜60.0质量％ ，特性粘度为1.5×10 -1 dl / g以上的THF可溶性物质相对于GPC-RALLS-粘度计中THF可溶物质的总量的比例 分析为20.0质量％至40.0质量％。
-
公开(公告)号：US20050106485A1
公开(公告)日：2005-05-19
申请号：US10956051
申请日：2004-10-04
CPC分类号： G03G9/08797 , G03G9/08711
摘要： An object of the present invention is to provide a toner which allows fixation at low temperatures, which is excellent in anti-offset ability, and which provides a high quality image at high and low humidities in a stable manner without causing any image defect over time. Provided is a toner, containing at least a binder resin and a colorant in which: the binder resin in the toner contains 60% by mass or more of a styrene/acryl resin and a THF-insoluble fraction A which is an extraction residue obtained by carrying out Soxhlet extraction with tetrahydrofuran (THF) for 16 hours; the THF-insoluble fraction A contains a TOL-insoluble fraction B which is an extraction residue obtained by carrying out Soxhlet extraction with toluene (TOL) for 16 hours; and a mass ratio (B/A) between the THF-insoluble fraction A and the TOL-insoluble fraction B is in the range of 0.1≦B/A≦0.5.
摘要翻译： 本发明的目的是提供一种允许在低温下固定的调色剂，其抗偏移能力优异，并且以稳定的方式在高低湿度下提供高质量的图像，而不会随着时间的流逝而引起任何图像缺陷 。 提供了至少含有粘合剂树脂和着色剂的调色剂，其中：调色剂中的粘合剂树脂含有60质量％以上的苯乙烯/丙烯酸树脂和作为由 用四氢呋喃（THF）进行索格利特萃取16小时; THF不溶性级分A含有TOL不溶级分B，它是通过用甲苯（TOL）进行索格利特萃取16小时获得的萃取残留物; THF不溶部分A和TOL不溶部分B之间的质量比（B / A）在0.1≤B/A≤0.5的范围内。
-
-
-
-
-
-
-
-
-
搜索结果
64 条记录 (耗时 0.042 秒)
