Toner for developing electrostatic latent images comprising an
amine-epoxy resin mixture
    1.
    发明授权
    Toner for developing electrostatic latent images comprising an amine-epoxy resin mixture 失效
    用于显影静电潜像的调色剂,其包含胺 - 环氧树脂混合物

    公开(公告)号:US4107062A

    公开(公告)日:1978-08-15

    申请号:US756627

    申请日:1977-01-04

    IPC分类号: G03G9/087 G03G9/08

    CPC分类号: G03G9/08753 G03G9/08768

    摘要: According to the present invention, there is provided a toner for developing electrostatic latent images, which includes a colorant, an amine-addition resin and, if desired, the resin miscible with the amine-addition resin. The above mentioned amine-addition resin is further obtained by interacting an epoxy group-containing resin and an aliphatic primary or secondary amine.

    摘要翻译: 根据本发明,提供了一种用于显影静电潜像的调色剂,其包括着色剂,胺加成树脂,以及如果需要,可与胺加成树脂混溶的树脂。 通过使含环氧基的树脂和脂族伯胺或仲胺相互作用,进一步获得上述胺加成树脂。

    Developing material for electrophotography, process for preparation
    2.
    发明授权
    Developing material for electrophotography, process for preparation 失效
    电子照相显影材料,制备方法

    公开(公告)号:US4518674A

    公开(公告)日:1985-05-21

    申请号:US592752

    申请日:1984-03-26

    CPC分类号: G03G9/1075 Y10T428/2991

    摘要: An iron powder developer carrier for electrophotography having at least the outer surface thereof coated with iron oxide. The iron oxide has a particle size of 50 to 200.mu., an apparent density of 1.5 to 2.5 g/cm.sup.3 and a specific surface area of 0.01 to 0.3 m.sup.2 /g.A process for the preparation of iron powder developer carriers for electrophotography, which comprises the steps of subjecting a starting iron powder to a primary calcination treatment in an inert gas atmosphere without using a binder, pulverizing and classifying said calcination product to prepare an intermediate iron powder, reducing the intermediate iron powder in a reducing atmosphere and washing the intermediate iron powder, and subjecting the intermediate iron powder to an oxidizing calcination treatment.

    摘要翻译: 一种用于电子照相的铁粉显影剂载体,至少其外表面涂覆有氧化铁。 氧化铁的粒径为50〜200μm,表观密度为1.5〜2.5g / cm 3,比表面积为0.01〜0.3m2 / g。 一种制备用于电子照相的铁粉显影剂载体的方法,其包括以下步骤:在惰性气体气氛中对起始铁粉进行初步煅烧处理,而不使用粘合剂,粉碎和分级所述煅烧产物以制备中间体铁粉 在还原气氛中还原中间体铁粉并洗涤中间体铁粉,并对中间体铁粉进行氧化煅烧处理。

    Electrostatic image forming toner
    3.
    发明授权
    Electrostatic image forming toner 失效
    静电成像调色剂

    公开(公告)号:US4564573A

    公开(公告)日:1986-01-14

    申请号:US634173

    申请日:1984-07-24

    IPC分类号: G03G9/087 G03G11/00

    CPC分类号: G03G9/08737 G03G9/08708

    摘要: An electrostatic image developing toner comprises a binder resin which contains at least 60% by weight of a styrene-butadiene copolymer. The copolymer contains a component A having a molecular weight of at least 100,000 in an amount of at least 20% by weight relative to the binder resin, and a component B having a molecular weight of at least 500,000 in the component A is not more than 15% by weight relative to the binder resin. The toner has adequate flowability and noncoagulation property and is capable of forming a superior visible image in a contact heat fixing system.

    摘要翻译: 静电图像显影调色剂包含含有至少60重量%的苯乙烯 - 丁二烯共聚物的粘合剂树脂。 共聚物含有相对于粘合剂树脂为至少20重量%的分子量至少为100,000的组分A,组分A中分子量至少为500,000的组分B不大于 相对于粘合剂树脂为15重量%。 调色剂具有足够的流动性和非凝固性,并且能够在接触热定影系统中形成优异的可视图像。

    Toner for electrophotography
    4.
    发明授权
    Toner for electrophotography 失效
    电子照相用碳粉

    公开(公告)号:US4968574A

    公开(公告)日:1990-11-06

    申请号:US817768

    申请日:1986-01-09

    IPC分类号: G03G9/087

    摘要: The present invention relates to toners for electrophotography wherein the main resin component comprises a lower molecular weight polymer and a higher molecular weight polymer each of which is different from the other wherein the higher molecular weight polymer has a glass transition point of at least 50.degree. C. and the lower molecular weight polymer has a glass transition point no higher than 65.degree. C. The above polymers comprise one or more polymers selected from styrene polymers, arcylic polymers, and styrene-acrylic copolymers. Generally, the lower molecular weight polymer has a weight average molecular weight of 50,000 or less and the higher molecular weight polymer has a weight average molecular weight of 80,000 or more.

    摘要翻译: 本发明涉及电子照相用调色剂,其中主要树脂组分包含较低分子量聚合物和较高分子量聚合物,每种聚合物与另一种不同,其中较高分子量聚合物的玻璃化转变点至少为50℃ 并且较低分子量的聚合物具有不高于65℃的玻璃化转变点。上述聚合物包含一种或多种选自苯乙烯聚合物,芳族聚合物和苯乙烯 - 丙烯酸共聚物的聚合物。 通常,低分子量聚合物的重均分子量为50,000以下,高分子量聚合物的重均分子量为80,000以上。

    Iron powder developing carrier and the manufacturing method of the same,
developer containing said carrier and method of forming visible image
by using said developer
    6.
    发明授权
    Iron powder developing carrier and the manufacturing method of the same, developer containing said carrier and method of forming visible image by using said developer 失效
    铁粉显影载体及其制造方法,含有所述载体的显影剂和使用所述显影剂形成可见图像的方法

    公开(公告)号:US4287283A

    公开(公告)日:1981-09-01

    申请号:US882101

    申请日:1978-02-28

    CPC分类号: G03G9/1075

    摘要: An iron powder developing carrier for developing an electrostatic latent image, a manufacturing method thereof, a developer containing said developing carrier and a method of forming a visible image by using said developer.Said iron powder developing carrier has the apparent density from 1.5 to 2.5. Said manufacturing method comprises the steps of sintering a raw iron powder having been ground to particles of not larger than 50 microns in diameter without using any binder agent at the temperature from 900.degree. to 1200.degree. C. to form an sintered body, grinding and classifying said sintered body into an intermediate iron powder having the particle diameter from 50 to 200 microns, then treating said intermediate iron powder to oxidize at the temperature from 280.degree. to 390.degree. C., and adjusting the resultant iron powder so as to have the apparent density from 1.5 to 2.5.

    摘要翻译: 一种用于显影静电潜像的铁粉显影载体,其制造方法,含有所述显影载体的显影剂和通过使用所述显影剂形成可见图像的方法。 所述铁粉显影载体的表观密度为1.5至2.5。 所述制造方法包括以下步骤:在900℃至1200℃的温度下,将已研磨的生铁粉烧结至直径不大于50微米的颗粒,以形成烧结体,研磨和分级 将所述烧结体变成粒径为50〜200微米的中间铁粉末,然后在280℃至390℃的温度下处理所述中间体铁粉末,并调节得到的铁粉,使其具有明显的 密度从1.5到2.5。

    Developer composition for developing an electrostatic image
    9.
    发明授权
    Developer composition for developing an electrostatic image 失效
    用于显影静电图像的显影剂组合物

    公开(公告)号:US4572885A

    公开(公告)日:1986-02-25

    申请号:US395965

    申请日:1982-07-07

    IPC分类号: G03G9/087 G03G9/113 G03G9/16

    摘要: There are disclosed an electrostatic image developer which comprises a carrier comprising iron powder particles coated with a resin and a toner comprising a low molecular weight polypropylene, and an electrostatic image developer which further comprises as binder a homopolymer of a styrene or a copolymer of a styrene with an another vinyl monomer containing 10 to 70% by weight of a high molecular component having a molecular weight of 100,000 to 10,000,000.The electrostatic image developer of the present invention can accomplish good developing without forming fogging even when provided in a great number of developments, thus exhibiting a great durability, and is also free from image contamination by the off-set phenomenon to give an excellent copied image.

    摘要翻译: 公开了一种静电图像显影剂,其包含载体,该载体包含用树脂涂覆的铁粉颗粒和包含低分子量聚丙烯的调色剂,以及静电图像显影剂,其还包含作为粘合剂的苯乙烯均聚物或苯乙烯共聚物 与另一乙烯基单体一起含有10至70重量%的分子量为100,000至10,000,000的高分子组分。 本发明的静电图像显影剂即使在大量的开发中被提供也可以实现良好的显影而不形成起雾,因此表现出很大的耐久性,并且也没有图像污染的偏移现象,以产生优异的复印图像 。