Processes for the preparation of developer compositions
    3.
    发明授权
    Processes for the preparation of developer compositions 失效
    制备显影剂组合物的方法

    公开(公告)号:US5387489A

    公开(公告)日:1995-02-07

    申请号:US98150

    申请日:1993-07-28

    摘要: Disclosed is a process for preparing a liquid or dry electrophotographic developer comprising: (a) forming a melt mixture comprised of a polymer resin or resins, a colorant, a charge director, and a nonaqueous solvent to obtain a first suspension of colored polymeric particles with a volume average diameter of from about 5 to about 100 microns; and (b) homogenizing with a dairy piston homogenizer said first suspension under pressure of from about 100 to about 500 Bars to obtain a second suspension containing colored polymeric particles with a volume average diameter of from about 0.1 to about 5 microns.

    摘要翻译: 公开了一种制备液体或干电子照相显影剂的方法,其包括:(a)形成由聚合物树脂或树脂,着色剂,电荷导向剂和非水溶剂组成的熔融混合物,以获得有色聚合物颗粒的第一悬浮液, 体积平均直径为约5至约100微米; 和(b)在乳化活塞均化器中均匀化所述第一悬浮液,其压力为约100至约500巴,以获得含有体积平均直径为约0.1至约5微米的着色聚合物颗粒的第二悬浮液。

    Liquid developer compositions with charge adjuvants of a copolymer of an
alky acrylamidoglycolate alkyl ether and an alkenylester
    4.
    发明授权
    Liquid developer compositions with charge adjuvants of a copolymer of an alky acrylamidoglycolate alkyl ether and an alkenylester 失效
    具有烷基丙烯酰氨基乙醇酸烷基酯和链烯基酯共聚物的电荷助剂的液体显影剂组合物

    公开(公告)号:US5478688A

    公开(公告)日:1995-12-26

    申请号:US332151

    申请日:1994-10-31

    IPC分类号: G03G9/13 G03G9/135

    CPC分类号: G03G9/131

    摘要: A positively charged liquid developer comprised of liquid, thermoplastic resin particles, optional pigment, a charge director, and an insoluble charge adjuvant comprised of a copolymer of an alkyl acrylamidoglycolate alkyl ether and an alkenylester, and wherein the charge adjuvant is associated with or combined with said resin and said optional pigment, and which charge adjuvant is of the formula ##STR1## wherein R.sup.1 is hydrogen or alkyl of 1 to 20 carbons; R.sup.2 is H, alkyl of 1 to 20, aryl of 6 to 20 carbons, and aryl alkyl of 7 to 35 carbons; m is from 0 to about 10; and wherein the alkyl and aryl groups optionally contain heteroatoms of F, Cl, O, S, N, Si, and P; R.sup.3 and R.sup.4 are alkyl; and x and y represent the number of segments.

    摘要翻译: 由液体,热塑性树脂颗粒,任选的颜料,电荷导向剂和由不饱和的电荷佐剂组成的带正电荷的液体显影剂由丙烯酰胺基乙醇酸烷基酯烷基醚和链烯基酯的共聚物组成,其中电荷佐剂与 所述树脂和所述任选的颜料,并且所述电荷助剂为式20的碳原子; R2为H,1〜20的烷基,碳原子数6〜20的芳基,碳原子数为7〜35的芳基烷基, m为0至约10; 并且其中所述烷基和芳基任选含有F,Cl,O,S,N,Si和P的杂原子; R3和R4是烷基; x和y表示段数。

    Phase change ink image producing machine including an imaging member having a textured imaging surface
    5.
    发明授权
    Phase change ink image producing machine including an imaging member having a textured imaging surface 有权
    相变油墨图像产生机包括具有纹理成像表面的成像构件

    公开(公告)号:US06899419B2

    公开(公告)日:2005-05-31

    申请号:US10863653

    申请日:2004-06-08

    摘要: A phase change ink image producing machine including (a) a control subsystem for controlling operation of all subsystems and components of the image producing machine; (b) melting apparatus for melting solid phase change ink into melted molten liquid ink; (c) a printhead system located for receiving said melted molten liquid ink, said printhead system being connected to said control subsystem for ejecting droplets of melted molten liquid ink onto an imaging member to form an image and a liquid ink imaging member having a top outer imaging surface for receiving image forming ink droplets from a printhead. The liquid ink imaging member includes (i) a substrate member; (ii) at least one elastomeric layer formed over the substrate member and including the top outer imaging surface; and (iii) a surface texture formed into the top outer imaging surface and comprising asperities spaced apart at most from about one-half to about one pixel spot size for providing contact angle hysteresis to pin image forming ink droplets received thereon, thereby preventing ink droplet drawback, and resulting in quality images.

    摘要翻译: 一种相变油墨图像生成机,包括:(a)控制子系统,用于控制图像生成机的所有子系统和部件的动作; (b)将固体相变油墨熔化成熔融熔融液体油墨的熔融装置; (c)打印头系统,用于接收所述熔化的熔融液体墨水,所述打印头系统连接到所述控制子系统,用于将熔化的熔融液体墨水的液滴喷射到成像构件上以形成图像;以及液体墨水成像构件, 用于从打印头接收成像墨滴的成像表面。 液体墨水成像构件包括(i)基底构件; (ii)至少一个弹性体层,形成在所述基底构件上并且包括所述顶部外部成像表面; 并且(iii)形成在顶部外部成像表面中的表面纹理,并且包括最多间隔开大约一半到大约一个像素点尺寸的凹凸,以便在接收在其上的针形图像墨滴上提供接触角滞后,从而防止墨滴 缺点,并导致质量图像。

    Liquid developer compositions and processes
    6.
    发明授权
    Liquid developer compositions and processes 失效
    液体显影剂组合物和方法

    公开(公告)号:US5604075A

    公开(公告)日:1997-02-18

    申请号:US554021

    申请日:1995-11-06

    IPC分类号: G03G9/12 G03G9/13

    CPC分类号: G03G9/12 G03G9/13

    摘要: A process for the preparation of liquid developers with reduced fines which comprises heating a liquid developer comprised of thermoplastic resin, pigment, charge adjuvant, liquid hydrocarbon, and optional charge director, wherein said heating is accomplished at about 5.degree. C. below the melting point of said thermoplastic resin, which heating enables said fines comprised of said developer components, and of a size diameter of from about 0.1 to about 0.4 micron to be reduced.

    摘要翻译: 一种用于制备具有减少的细粉的液体显影剂的方法,其包括加热由热塑性树脂,颜料,电荷辅助剂,液态烃和任选的电荷导向剂组成的液体显影剂,其中所述加热在熔点以下约5℃ 的所述热塑性树脂,所述加热使得由所述显影剂组分构成的所述细粒和尺寸直径为约0.1至约0.4微米的所述细粉被还原。

    Liquid developer compositions
    9.
    发明授权
    Liquid developer compositions 失效
    液体显影剂组合物

    公开(公告)号:US5563015A

    公开(公告)日:1996-10-08

    申请号:US505043

    申请日:1995-07-21

    IPC分类号: G03G9/135

    CPC分类号: G03G9/135 G03G9/1355

    摘要: A positively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, an optional charge adjuvant, optional pigment, and a charge director comprised of a mixture of I. a nonpolar liquid soluble organic phosphate mono and diester mixture derived from phosphoric acid and isotridecyl alcohol, and II. a nonpolar liquid soluble organic aluminum complex, or mixtures thereof of the formulas ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and alkyl, and n represents a number.

    摘要翻译: 由非极性液体,热塑性树脂颗粒,任选的电荷助剂,任选的颜料和由I的混合物组成的电荷引导剂的带正电荷的液体显影剂由来自磷酸和异丙基的非极性液体可溶性有机磷酸酯单酯和二酯混合物 酒精和II。 由氢和烷基组成的具有下式的非极性液体可溶性有机铝络合物或其混合物,n表示数。