System for replenishing liquid electrostatic developer
    1.
    发明授权
    System for replenishing liquid electrostatic developer 失效
    补充液体静电显影剂的系统

    公开(公告)号:US5471287A

    公开(公告)日:1995-11-28

    申请号:US237804

    申请日:1994-05-04

    CPC分类号: G03G15/104

    摘要: System for replenishing liquid developer in equipment, such as a printer, whereby the percent of toner solids is maintained at about 0.5 to 4% by weight based on the total weight of liquid developer, the system comprising at least one liquid toner concentrate vessel containing aggregates of thermoplastic resin particles, median particle size (volume weighted) greater than 15 .mu.m, and with 90% of the particles (volume weighted) not less than 30 .mu.m, composed of 50 to 100% by weight of particles and 0 to 50% by weight carrier liquid; a liquid vessel containing carrier liquid, means communicating each of said vessels with a dispersing vessel containing high shearing or high impact means wherein contents of the liquid toner concentrate vessel and the liquid vessel are supplied thereto and the resin particles are dispersed in the carrier liquid to form particles having a median particle size (volume weighted) of less than 15 .mu.m, and with 90% of the particles (volume weighted) less than 30 .mu.m in an amount of about 0.5 to 20% by weight of resin particles and about 99.5 to 80% by weight carrier liquid said dispersion being supplied and metered into the supply vessel containing original liquid developer to maintain the desired weight of solids. The system is useful in copying, proofing, etc., equipment, and the liquid developer is useful for making copies, proofs, lithographic printing plates and resists.

    摘要翻译: 用于补充诸如打印机的设备中的液体显影剂的系统,其中调色剂固体的百分比基于液体显影剂的总重量保持在约0.5至4重量%,该系统包含至少一个含有聚集体的液体调色剂浓缩容器 的热塑性树脂颗粒,中值粒径(体积加权)大于15μm,和90%的颗粒(体积加权)不小于30μm,由50至100重量%的颗粒和0至50 载体液体重量% 含有载体液体的液体容器,使每个所述容器与包含高剪切或高冲击力的分散容器连通,其中液体调色剂浓缩容器和液体容器的内容物被供应到树脂颗粒中,并将树脂颗粒分散在载体液体中 具有小于15μm的中值粒径(体积加权)和90%(小于30μm)的颗粒(体积加权)的颗粒的量为约0.5至20重量%的树脂颗粒和约 99.5至80重量%的载体液体,所述分散体被供应并计量到含有原始液体显影剂的供应容器中以保持所需重量的固体。 该系统可用于复印,打样等设备,液体显影剂可用于制作复印件,样张,平版印刷版和抗蚀剂。

    Quaternary ammonium compound as charge adjuvants for positive
electrostatic liquid developers
    2.
    发明授权
    Quaternary ammonium compound as charge adjuvants for positive electrostatic liquid developers 失效
    第四季铵化合物作为正静电液体显影剂的电荷佐剂

    公开(公告)号:US5382492A

    公开(公告)日:1995-01-17

    申请号:US159004

    申请日:1993-11-29

    IPC分类号: G03G9/135

    CPC分类号: G03G9/1355

    摘要: A positive-working electrostatic liquid developer consisting essentially of (A) a nonpolar liquid having a Kauri-butanol value of less than 30, present in a major amount;(B) thermoplastic resin particles having dispersed therein a quaternary ammonium compound which is substantially insoluble in the nonpolar liquid and is represented by the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 may be the same or different and are hydrogen, alkyl of 1 to 40 carbon atoms, aryl of 6 to 30 carbon atoms, and any of the group R.sub.1, R.sub.2, R.sub.3, and R.sub.4 may be joined to form a 5 or 6 membered ring, and A.sup.- is an anion; and (C) a nonpolar liquid soluble ionic or zwitterionic charge director compound. The process of preparation of the electrostatic liquid developer is described. The liquid developers are useful in copying, color proofing including digital color proofing, lithographic printing plates and resists.

    摘要翻译: 基本上由(A)贝壳杉脂丁醇值小于30的非极性液体主要组成的正性静电液体显影剂,主要存在;(B)分散有基本上不溶的季铵化合物的热塑性树脂颗粒 在非极性液体中并且由通式表示:其中R 1,R 2,R 3和R 4可以相同或不同,为氢,1至40个碳原子的烷基,6至30个碳原子的芳基, 并且R 1,R 2,R 3和R 4中的任一个可以连接形成5或6元环,而A-是阴离子; 和(C)非极性液体可溶解的离子或两性离子电荷导向剂化合物。 描述了静电液体显影剂的制备过程。 液体显影剂可用于复印,彩色打样,包括数字彩色打样,平版印刷版和抗蚀剂。

    Additives for liquid electrostatic developers
    3.
    发明授权
    Additives for liquid electrostatic developers 失效
    液体静电显影剂添加剂

    公开(公告)号:US5254427A

    公开(公告)日:1993-10-19

    申请号:US814549

    申请日:1991-12-30

    IPC分类号: G03G9/12 G03G9/13

    摘要: A liquid developer is prepared from a liquid electrostatic developer concentrate comprising up to 80% toner solids and a surfactant. The liquid electrostatic developer concentrate may be prepared by preparing a liquid electrostatic developer containing up to 20% toner solids; subsequently adding a surfactant to the liquid electrostatic developer; and concentrating the liquid electrostatic developer. The surfactant permits the easy redispersion of the toner solids at the time of use.

    摘要翻译: 液体显影剂由包含高达80%调色剂固体和表面活性剂的液体静电显影剂浓缩物制备。 液体静电显影剂浓缩物可以通过制备含有高达20%调色剂固体的液体静电显影剂来制备; 随后向液体静电显影剂中加入表面活性剂; 并浓缩液体静电显影剂。 表面活性剂允许调色剂固体在使用时容易再分散。

    Process for preparing high gloss electrostatic liquid developers
    4.
    发明授权
    Process for preparing high gloss electrostatic liquid developers 失效
    制备高粘度静电液体发泡剂的方法

    公开(公告)号:US5053307A

    公开(公告)日:1991-10-01

    申请号:US516005

    申请日:1990-04-26

    IPC分类号: G03G9/13 G03G9/12

    摘要: Process for the preparation of toner particles for electrostatic liquid developers, which upon fusing to paper have a gloss .gtoreq.10 units over the paper gloss comprising:(A) dispersing at least one thermoplastic resin, at least one pigment, and a hydrocarbon liquid having a Kauri-butanol value of greater than 120 such that the dispersion contains 10% or more by weight solids by means of particulate media whereby the moving particulate media creates shear and/or impact while maintaining the temperature for 5 to 180 minutes in the vessel at a temperature of at least 15.degree. C. above the point at which the resin is plasticized or liquified by the hydrocarbon liquid and below that at which the hydrocarbon liquid boils and the resin and/or pigment decomposes,(B) continuing dispersion of the resin, pigment and hydrocarbon liquid as in Step (A) while maintaining the temperature for 5 to 180 minutes in the vessel at least 5.degree. C. below the point to at least 10.degree. C. above the point at which the resin is no longer plasticized or liquified by the hydrocarbon liquid,(C) cooling the dispersion containing 10% or more by weight solids in said vessel to permit precipitation of the resin out of the dispersant, the particulate media being maintained in continuous movement during and subsequent to cooling whereby toner particles having an average particle size of 10 .mu.m or less are formed, and(D) separating the dispersion of toner particles from the particulate media.Electrostatic developers are prepared by the addition of a charge director compound. The liquid developers are useful for preparation of copies and proofs of various colors and result in images having a higher gloss.

    Aqueous ink compositions containing amide anti-curl agent
    8.
    发明授权
    Aqueous ink compositions containing amide anti-curl agent 失效
    含有酰胺防卷曲剂的水性油墨组合物

    公开(公告)号:US5580373A

    公开(公告)日:1996-12-03

    申请号:US574473

    申请日:1995-12-19

    IPC分类号: B41J2/01 C09D11/00 C09D11/02

    CPC分类号: C09D11/38

    摘要: Aqueous ink compositions containing anti-curl agents substantially reduce or eliminate paper curl in plain-paper printed elements without adversely effecting storage stability, decap properties or print quality, and thus eliminate the need for expensive and bulky mechanical curl-arresting devices or special curl-resistant substrates. Printing the inks on plain-paper substrates is the sole step in a process for reducing paper curl in plain-paper printed elements.

    摘要翻译: 含有抗卷发剂的水性油墨组合物在普通纸印刷元件中基本上减少或消除纸张卷曲,而不会不利地影响储存稳定性,剥离性能或打印质量,因此不需要昂贵且庞大的机械卷曲装置或特殊卷曲装置, 耐性基材。 在普通纸基材上印刷油墨是在普通纸印刷元件中减少纸张卷曲的过程中的唯一步骤。

    INKJET INK INCLUDING POLYURETHANE
    9.
    发明申请
    INKJET INK INCLUDING POLYURETHANE 有权
    INKJET INK包括POLYURETHANE

    公开(公告)号:US20110288212A1

    公开(公告)日:2011-11-24

    申请号:US13147351

    申请日:2009-06-08

    IPC分类号: C08K5/3445 C08K5/17 C09D11/02

    摘要: An inkjet ink composition includes: from 0.25 to 6 weight percent colorant; from 7 to 40 weight percent solvent; from 0.05 to 5 weight percent surfactant; and polyurethane binder in an amount of at least 0.5 weight percent of the inkjet ink composition but not more than twice the weight percent of the colorant. The polyurethane binder has a molecular weight from 32 K to 50 K and an acid number from 40 to 45. The polyurethane binder includes polyether polyol, aliphatic isocyanate and an acid group and does not include chain extenders.

    摘要翻译: 喷墨油墨组合物包括:0.25至6重量%的着色剂; 7至40重量%溶剂; 0.05至5重量%的表面活性剂; 和聚氨酯粘合剂,其量为喷墨油墨组合物的至少0.5重量%,但不超过着色剂重量百分比的两倍。 聚氨酯粘合剂的分子量为32K至50K,酸值为40至45.聚氨酯粘合剂包括聚醚多元醇,脂族异氰酸酯和酸基,不包括扩链剂。

    Ink set, ink system and method for printing an image
    10.
    发明授权
    Ink set, ink system and method for printing an image 有权
    油墨,油墨系统和打印图像的方法

    公开(公告)号:US07922800B2

    公开(公告)日:2011-04-12

    申请号:US11830931

    申请日:2007-07-31

    IPC分类号: C09D11/02 B41J2/01

    CPC分类号: C09D11/40

    摘要: An ink set includes a light magenta ink and a dark magenta ink. The light magenta ink includes an effective amount of a pigment having a red/green lambda cutoff ranging from about 585 nm to about 600 nm, and reflecting at least about 14% of blue light at a wavelength of about 470 nm when measured at a density at which the light magenta ink provides a maximum magenta chroma. The dark magenta ink includes an effective amount of a pigment having a red/green lambda cutoff greater than or equal to about 605 nm.

    摘要翻译: 油墨组包括浅品红色油墨和暗品红色油墨。 浅品红色油墨包括有效量的具有约585nm至约600nm的红色/绿色λ截止值的颜料,并且当以密度测量时反射约470nm波长的蓝光的至少约14% 浅品红色墨水提供最大品红色。 深品红色油墨包括有效量的具有大于或等于约605nm的红/绿λ截止值的颜料。