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公开(公告)号：US5093220A
公开(公告)日：1992-03-03
申请号：US461129
申请日：1990-01-05
CPC分类号： G03G9/08793 , G03G9/09716
摘要： An electrostatic latent image developer that is composed of at least three components, toner resin particles containing at least a colorant, carrier particles and fine inorganic particles is disclosed. The improved feature of the developer is that said toner resin particles contain a resin crosslinked with a divalent metal or metals of higher valency and that said fine inorganic particles are surface-treated with an ionic silicone compound.
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公开(公告)号：US5026620A
公开(公告)日：1991-06-25
申请号：US367855
申请日：1989-06-16
CPC分类号： G03G9/09716 , G03G13/08 , G03G13/22 , G03G15/2057
摘要： A method for forming an electrophotographic image, comprising forming an electrostatic latent image on a latent image carrier, developing said latent image with a developer to form a toner image, transferring said toner image on a recording material, and fixing the toner image with a heat roller, is disclosed. The method is characterized by:1) said developer comprises an inorganic fine particle having pH of not lower than 7.0, and2) a resin coating layer containing carbon black is provided on said heat roller, and is grounded.
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公开(公告)号：US5441839A
公开(公告)日：1995-08-15
申请号：US222933
申请日：1994-04-05
CPC分类号： G03G9/09716 , G03G9/1075 , G03G9/1132 , G03G9/1139 , Y10T428/2998
摘要： A negative charge developer for electrophotography comprises a toner and a carrier having a core coated with a resin which contains at least one magnesium compound of a magnesium oxide, a magnesium hydroxide or a magnesium carbonate, wherein the magnesium compound has a single crystal structure.
摘要翻译： 用于电子照相术的负电荷显影剂包括调色剂和具有包覆有至少一种镁化合物的氢氧化镁或碳酸镁的树脂的核的载体，其中所述镁化合物具有单晶结构。
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4.发明授权Developer for developing electrostatic image comprising a toner containing colorant particles having organic particles externally added thereto 失效用于显影静电图像的显影剂包括含有外部加有有机颗粒的着色剂颗粒的调色剂
公开(公告)号：US5445910A
公开(公告)日：1995-08-29
申请号：US200697
申请日：1994-02-23
CPC分类号： G03G9/08728 , G03G9/08791 , G03G9/097 , G03G9/1136
摘要： Disclosed is a developer comprises a toner containing colorant particles and organic fine particles, wherein said organic fine-particles are a fluoro-containing acrylate homopolymer or the copolymers thereof, each having a cross-linking structure.
摘要翻译： 公开了一种显影剂，其包含含有着色剂颗粒和有机细颗粒的调色剂，其中所述有机细颗粒是含氟的丙烯酸酯均聚物或其共聚物，各自具有交联结构。
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5.发明授权Electrostatic image developing resin-coated carrier and method for producing the same 失效静电图像显影树脂被覆载体及其制造方法
公开(公告)号：US5272038A
公开(公告)日：1993-12-21
申请号：US757229
申请日：1991-09-10
CPC分类号： G03G9/1134 , G03G9/1131 , Y10T428/2998
摘要： A resin coated carrier for developing an electrostatic image is disclosed. The carrier coating layer comprises a resin copolymerized of at least three fluorinated vinyl monomers. The carrier is useful for developing a negative charged electrostatic image formed on an organic photoreceptor.
摘要翻译： 公开了一种用于显影静电图像的树脂涂布载体。 载体涂层包含由至少三种氟化乙烯基单体共聚的树脂。 载体可用于显影形成在有机感光体上的负电荷静电图像。
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公开(公告)号：US5104762A
公开(公告)日：1992-04-14
申请号：US644438
申请日：1991-01-22
CPC分类号： G03G9/08773 , G03G9/08711 , G03G9/08791 , G03G9/09716 , G03G9/1134 , G03G9/1138
摘要： A developer for electrophotography is disclosed. The developer comprises a carrier comprising magnetic particles being coated with a fluororesin in which an alkali salt of a fatty acid is contained in an amount of from 0.05 to 0.5% by weight of said carrier, and a toner comprising a colored particle comprising a colorant and a reaction product of a styrene-acryl copolymer having carboxyl groups with a multivalent metal compound, and an inorganic particle containing an ammonium salt-modified polysiloxane. The developer is excellent in the reproducibility of fine line, the density uniformity of solid image and the fine line-reproducibility in copies formed by successive generations and the durability.
摘要翻译： 公开了一种用于电子照相术的显影剂。 显影剂包括载体，其包含用氟树脂涂覆的磁性颗粒，其中含有占所述载体重量的0.05至0.5％的脂肪酸碱金属盐，和包含着色颗粒的调色剂，所述着色颗粒包含着色剂和 具有羧基的苯乙烯 - 丙烯酸共聚物与多价金属化合物的反应产物和含有铵盐改性的聚硅氧烷的无机颗粒。 显影剂在细纹的再现性，固体图像的密度均匀性以及连续几代形成的拷贝中的细线再现性和耐久性方面都是优异的。
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7.发明授权
公开(公告)号：US5705306A
公开(公告)日：1998-01-06
申请号：US645126
申请日：1996-05-13
CPC分类号： G03G9/09 , G03G9/08751 , G03G9/09708 , G03G9/1133
摘要： A toner for forming an electrophotographic image is disclosed. The toner comprises (1) colored particles comprising a resin and a colorant, (2) fine resin particles comprising a polymer formed by condensation of melamine and formaldehyde, and have a volume average diameter of 0.01 .mu.m to 1.0 .mu.m, and (3) fine particles of an inorganic material (I) having a volume average diameter of 0.01 .mu.m to 0.20 .mu.m and a standard deviation of distribution of the volume average diameter G satisfying the condition of 10.ltoreq..sigma..ltoreq.30. It is particularly preferred that the toner is used as a tow componet developer together with a negatively chargeable carrier which comprises (1) magnetic core particles each coated with a coating layer comprising a mixture of homopolymer of an alicyclic methacrylate monomer and a homopolymer of an acyclic methacrylate monomer, or a copolymer of an alicyclic methacrylate monomer and an acyclic methacrylate monomer, and (2) a fine particles of an inorganic material (II).
摘要翻译： 公开了一种用于形成电子照相图像的调色剂。 调色剂包括（1）包含树脂和着色剂的着色颗粒，（2）包含由三聚氰胺和甲醛缩合形成的聚合物的细树脂颗粒，体积平均直径为0.01μm至1.0μm，和（3 ）体积平均直径为0.01μm至0.20μm的无机材料（I）的细颗粒和满足条件为10≤Δ≤30的体积平均直径G的分布的标准偏差。 特别优选的是，调色剂与负电荷载体一起用作丝束组分显影剂，其包含（1）各自涂覆有包含脂环族甲基丙烯酸酯单体的均聚物和非环状的均聚物的混合物的涂层的磁芯颗粒 甲基丙烯酸酯单体或脂环族甲基丙烯酸酯单体和无环状甲基丙烯酸酯单体的共聚物，（2）无机材料（II）的微粒。
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公开(公告)号：US5576134A
公开(公告)日：1996-11-19
申请号：US346015
申请日：1994-11-29
申请人： Keiko Ogawa , Michiaki Ishikawa , Meizo Shirose
发明人： Keiko Ogawa , Michiaki Ishikawa , Meizo Shirose
CPC分类号： G03G9/1075 , G03G13/09 , G03G9/1139
摘要： Disclosed is a two component type developer for negatively chargeable developer use, comprising a carrier and a colored toner particle comprising a binder resin and a colorant, wherein said carrier comprises a magnetic particle having thereon a resin coated layer containing a resin and a magnesium compound.
摘要翻译： 公开了一种用于负电荷显影剂用途的双组分型显影剂，其包含载体和包含粘合剂树脂和着色剂的着色调色剂颗粒，其中所述载体包含其上含有树脂和镁化合物的树脂涂层的磁性颗粒。
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公开(公告)号：US5478687A
公开(公告)日：1995-12-26
申请号：US204990
申请日：1994-03-01
申请人： Keiko Ogawa , Meizo Shirose , Michiaki Ishikawa
发明人： Keiko Ogawa , Meizo Shirose , Michiaki Ishikawa
CPC分类号： G03G9/1132 , G03G9/1139
摘要： Disclosed is a carrier for a negatively chargeable developer comprising magnetic particles and provided thereon, having a layer comprising a hydrophilic silica having a degree of degree of hydrophobicity of less than 20 and resin particles.
摘要翻译： 公开了一种负电荷显影剂的载体，其包含磁性颗粒并且设置在其上，具有包含疏水度小于20的亲水性二氧化硅和树脂颗粒的层。
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10.发明授权Toner for developing electrostatic latent image developer and method for producing image 失效用于显影静电潜像显影剂的调色剂和用于产生图像的方法
公开(公告)号：US5863691A
公开(公告)日：1999-01-26
申请号：US881218
申请日：1997-06-24
CPC分类号： G03G9/08791 , G03G9/0926 , G03G9/09708 , G03G9/09716 , G03G9/09725
摘要： Disclosed is a toner for developing an electrostatic latent image, comprising colored particles containing a colorant and a binder resin, and hydrophobic particles, wherein said colored particles have a BET specific surface area of not less than 5 m.sup.2 /g and said hydrophobic particles satisfy the following relation:.vertline.pH.sub.A -pH.sub.B .vertline..ltoreq.1.0wherein said pH.sub.A is a pH value of said hydrophobic particles before heating and said pH.sub.B is a pH value of said hydrophobic particles after heating.
摘要翻译： 公开了一种用于显影静电潜像的调色剂，其包含含有着色剂和粘合剂树脂的着色颗粒和疏水性颗粒，其中所述着色颗粒的BET比表面积不小于5m 2 / g，并且所述疏水性颗粒满足 以下关系：| pHA-pHB | <1.0其中所述pHA是加热前所述疏水性颗粒的pH值，所述pHB是加热后所述疏水性颗粒的pH值。
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