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    AN INK COMPOSITION
    1.
    发明申请
    AN INK COMPOSITION 审中-公开
    油墨组合物

    公开(公告)号：WO2013062529A1

    公开(公告)日：2013-05-02

    申请号：PCT/US2011/057665

    申请日：2011-10-25

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  PRASAD, Keshava A. ,  CHEN, Xiaohe ,  KHORRAMI, Fereshteh ,  TSAO, Yi-Hua ,  GUO, Dennis Z.

    发明人： PRASAD, Keshava A. ,  CHEN, Xiaohe ,  KHORRAMI, Fereshteh ,  TSAO, Yi-Hua ,  GUO, Dennis Z.

    IPC分类号： C09D11/00 ,  B41J2/175

    CPC分类号： C09D11/38 ,  C09D11/54

    摘要： An ink composition is disclosed herein. The ink composition includes from about 5 wt% to about 25 wt% of a co-solvent; from about 0.025 wt% to about 0.2 wt% of i) a chelating agent represented by formula 1, wherein R' is a carboxylic acid functional group or a carboxylate salt functional group and n > 2; ii) a chelating agent represented by formula 2:, wherein R is a carboxylic acid functional group or a carboxylate salt functional group, m is greater than or equal to 1, x is greater than or equal to 2, y is greater than or equal to 1, and z is greater than or equal to 2; iii) a chelating agent represented by formula 3, wherein any of r, s, t, or u is a sulfonic acid functional group or a sulfonate functional group; or iv) combinations of any of i, ii, and iii. The ink composition also includes a balance of water.

    摘要翻译： 本文公开了一种油墨组合物。 油墨组合物包含约5重量％至约25重量％的助溶剂; 约0.025重量％至约0.2重量％的i）由式1表示的螯合剂，其中R'是羧酸官能团或羧酸盐官能团，n> 2; ii）由式2表示的螯合剂：其中R是羧酸官能团或羧酸盐官能团，m大于或等于1，x大于或等于2，y大于或等于 至1，z大于或等于2; iii）由式3表示的螯合剂，其中r，s，t或u中的任一个是磺酸官能团或磺酸酯官能团; 或iv）i，ii和iii中任一者的组合。 油墨组合物还包括水的余量。

    THREE-DIMENSIONAL (3D) PRINTING
    2.
    发明申请
    THREE-DIMENSIONAL (3D) PRINTING 审中-公开
    三维（3D）印刷

    公开(公告)号：WO2017069778A1

    公开(公告)日：2017-04-27

    申请号：PCT/US2015/057185

    申请日：2015-10-23

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： RUDISILL, Stephen ,  KABALNOV, Alexey S. ,  PRASAD, Keshava A. ,  GANAPATHIAPPAN, Sivapackia ,  WRIGHT, Jake ,  KASPERCHIK, Vladek

    IPC分类号： B29C67/00 ,  B33Y50/02

    CPC分类号： B29C67/00 ,  B29C64/165 ,  B33Y10/00 ,  B33Y50/02

    摘要： In a three-dimensional printing method example, a polymeric or polymeric composite build material is applied. A fusing agent is applied on at least a portion of the build material. The fusing agent includes an aqueous or non-aqueous vehicle and a plasmonic resonance absorber having absorption at wavelengths ranging from 800 nm to 4000 nm and having transparency at wavelengths ranging from 400 nm to 780 nm dispersed in the aqueous or non-aqueous vehicle. The build material is exposed to electromagnetic radiation, thereby fusing the portion of the build material in contact with the fusing agent to form a layer.

    摘要翻译： 在三维印刷方法实例中，应用聚合物或聚合物复合材料构建材料。 在构建材料的至少一部分上施加熔合剂。 熔合剂包括水性或非水性媒介物和等离激元共振吸收剂，所述等离子体共振吸收剂在800nm至4000nm的波长范围内具有吸收性，并且在400nm至780nm的波长范围内具有透明性，分散在水性或非水性媒介物中。 构建材料暴露于电磁辐射下，从而将构建材料的部分与熔合剂接触以形成层。

    PRE-TREATMENT FIXING FLUID FOR AN OFFSET COATED MEDIUM
    3.
    发明申请
    PRE-TREATMENT FIXING FLUID FOR AN OFFSET COATED MEDIUM 审中-公开
    预处理固定介质的固定流体

    公开(公告)号：WO2015116030A1

    公开(公告)日：2015-08-06

    申请号：PCT/US2014/013346

    申请日：2014-01-28

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： PRASAD, Keshava A. ,  EMAMJOMEH, Ali ,  SARKISIAN, George ,  KHORRAMI, Fereshteh

    IPC分类号： B41M5/50 ,  B41M5/40 ,  C09D1/00

    CPC分类号： C09D11/54 ,  B41J2/01 ,  B41J11/0015 ,  B41M5/0017 ,  C09D1/00

    摘要： An example of a pre-treatment fixing fluid for an offset coated medium includes calcium propionate, calcium pantothenate, tetraethylene glycol, a surfactant having an HLB less than 10, an acid, and a balance of water. The calcium propionate is present in an amount ranging from greater than 4.5 wt% to 8.0 wt%, the calcium pantothenate is present in an amount ranging from about 2.0 wt% to equal to or less than 15 wt%, and the surfactant is present in an amount ranging from about 0.01 wt% to about 1.0 wt%, each based on the total wt% of the pre-treatment fixing fluid. The acid is present in an amount sufficient to render the pH from about 4.0 to about 7.0.

    摘要翻译： 用于胶版涂布介质的预处理固定液的实例包括丙酸钙，泛酸钙，四甘醇，HLB小于10的表面活性剂，酸和余量的水。 丙酸钙以大于4.5重量％至8.0重量％的量存在，泛酸钙以约2.0重量％至等于或小于15重量％的量存在，并且表面活性剂存在于 其量为约0.01重量％至约1.0重量％，各自基于预处理固定液的总重量％。 酸的存在量足以使pH为约4.0至约7.0。

    THREE-DIMENSIONAL (3D) PRINTING SYSTEM
    4.
    发明申请
    THREE-DIMENSIONAL (3D) PRINTING SYSTEM 审中-公开
    三维（3D）打印系统

    公开(公告)号：WO2016053245A1

    公开(公告)日：2016-04-07

    申请号：PCT/US2014/058085

    申请日：2014-09-29

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： EMAMJOMEH, Ali ,  PRASAD, Keshava A. ,  HADDICK, Glenn Thomas

    IPC分类号： B29C67/00

    CPC分类号： C09D11/107 ,  B29C64/165 ,  B29C67/0081 ,  B29C67/0088 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y70/00 ,  C09D11/03 ,  C09D11/101 ,  C09D11/326 ,  C09D11/38

    摘要： A three-dimensional (3D) printing system includes a fabrication bed, a build material to be introduced into the fabrication bed, an inkjet applicator, a coalescing agent to be selectively introduced by the inkjet applicator onto the build material in the fabrication bed, and a radiation source to expose the coalescing agent and the build material in the fabrication bed to electromagnetic radiation. The coalescing agent includes a co-solvent having a boiling point of less than 300C, a surfactant having a hydrophilic lipophilic balance (HLB) value that is less than 10, a carbon black pigment, a polymeric dispersant, and a balance of water.

    摘要翻译： 三维（3D）打印系统包括制造床，待引入制造床的构建材料，喷墨施加器，由喷墨施加器选择性地引入制造床中的构建材料的聚结剂，以及 辐射源，用于将制造床中的聚结剂和构建材料暴露于电磁辐射。 聚结剂包括沸点低于300℃的共溶剂，亲水亲油平衡值（HLB）值小于10的表面活性剂，炭黑颜料，聚合物分散剂和余量的水。

    INK SETS FOR INK-JET PRINTING
    5.
    发明申请
    INK SETS FOR INK-JET PRINTING 审中-公开
    喷墨打印机墨盒

    公开(公告)号：WO2013062573A1

    公开(公告)日：2013-05-02

    申请号：PCT/US2011/058268

    申请日：2011-10-28

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  SARKISIAN, George ,  PRASAD, Keshava A. ,  GARDNER, John Morrow ,  YOLEMI, Tayo Olu

    发明人： SARKISIAN, George ,  PRASAD, Keshava A. ,  GARDNER, John Morrow ,  YOLEMI, Tayo Olu

    IPC分类号： B41J2/175 ,  C09D11/02

    CPC分类号： C09D11/322 ,  C09D11/38 ,  C09D11/40

    摘要： The present disclosure is drawn to ink-jet ink sets, as well as related systems and methods. In one example, an ink set for ink-jet printing can comprise a cyan ink-jet ink including from about 2 wt% to about 5 wt% of a cyan pigment admixed in a first ink vehicle; a magenta ink-jet ink including a magenta colorant comprising from about 2 wt% to about 5 wt% of a magenta pigment and about 0.1 wt% to about 1 wt% of a slightly soluble magenta dye admixed in a second ink vehicle; and a yellow ink-jet ink including from about 2 wt% to about 5 wt% of a yellow pigment admixed in a third ink vehicle.

    摘要翻译： 本公开涉及喷墨墨水组以及相关系统和方法。 在一个实例中，用于喷墨印刷的油墨组可以包括青色喷墨油墨，其包含在第一油墨载体中混合的约2重量％至约5重量％的青色颜料; 包括品红色着色剂的品红色喷墨油墨，其包含约2重量％至约5重量％的品红色颜料和约0.1重量％至约1重量％的在第二油墨载体中混合的微溶性品红染料; 以及黄色喷墨油墨，其包含在第三油墨载体中混合的约2重量％至约5重量％的黄色颜料。

    THERMAL INKJET INK SET
    9.
    发明申请
    THERMAL INKJET INK SET 审中-公开
    热喷枪墨盒

    公开(公告)号：WO2015116029A1

    公开(公告)日：2015-08-06

    申请号：PCT/US2014/013339

    申请日：2014-01-28

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    发明人： CHEN, Tienteh ,  VISNYAK, Elizabeth Ann ,  PRASAD, Keshava A.

    IPC分类号： C09D11/40 ,  C09D11/32 ,  B41M5/00

    CPC分类号： C09D11/54 ,  B41J11/0015 ,  B41M5/0017 ,  B41M7/0036 ,  C09D11/10 ,  C09D11/107 ,  C09D11/322 ,  C09D11/40

    摘要： A thermal inkjet ink set includes a pre-treatment fixing fluid, an ink, and a post-treatment fluid. The pre-treatment fixing fluid includes a metal salt. The ink includes an ink vehicle and a colorant. The post-treatment fluid includes a fluid vehicle and an anionic polyurethane acrylic hybrid polymer binder dispersed in the fluid vehicle. The anionic polyurethane acrylic hybrid polymer binder is present in an amount ranging from greater than 0 wt% to about 25 wt%. The anionic polyurethane acrylic hybrid polymer binder includes an acrylic polymer or copolymer, and an anionic polyurethane polymer encapsulting the acrylic polymer or copolymer.

    摘要翻译： 热喷墨油墨组包括预处理固定液，油墨和后处理液。 预处理固定液包括金属盐。 油墨包括油墨载体和着色剂。 后处理流体包括流体载体和分散在流体载体中的阴离子聚氨酯丙烯酸类杂化聚合物粘合剂。 阴离子聚氨酯丙烯酸混合聚合物粘合剂的存在量为大于0重量％至约25重量％。 阴离子聚氨酯丙烯酸类杂化聚合物粘合剂包括丙烯酸聚合物或共聚物，以及密封丙烯酸类聚合物或共聚物的阴离子聚氨酯聚合物

    INKJET INKS PROVIDING IMPROVED WET SMUDGE ON POROUS PRINT MEDIA
    10.
    发明申请
    INKJET INKS PROVIDING IMPROVED WET SMUDGE ON POROUS PRINT MEDIA 审中-公开
    INKJET INKS提供多孔打印介质改善的防水措施

    公开(公告)号：WO2006039034A1

    公开(公告)日：2006-04-13

    申请号：PCT/US2005/030971

    申请日：2005-08-31

    申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  SARKISIAN, George M. ,  CHEN, Xiaohe ,  PRASAD, Keshava A.

    发明人： SARKISIAN, George M. ,  CHEN, Xiaohe ,  PRASAD, Keshava A.

    IPC分类号： C09D11/00

    CPC分类号： B41M5/0017 ,  B41M7/0018 ,  C09D11/322 ,  C09D11/54

    摘要： A printing system for use in inkjet printing. The printing system comprises an inkjet ink having a free binder and a modified pigment, a fixer fluid, and a porous print medium. The free binder may include polymers selected from a polyethyleneimine, a polyguanide, a styrene maleic anhydride imide, a quaternary ammonium compound, a styrene-acrylic polymer, a styrene maleic anhydride polymer, a polyurethane, and mixtures thereof. The at least two polymers may be present at a molecular weight ratio ranging from approximately 0.001 to approximately 10. A method of producing a printed image having increased resistance to wet smudge is also disclosed. The method comprises providing a porous print medium, applying an inkjet ink to the porous print medium, and applying a fixer fluid to the porous print medium.

    摘要翻译： 一种用于喷墨打印的打印系统。 印刷系统包括具有游离粘合剂和改性颜料，定影液和多孔印刷介质的喷墨油墨。 游离粘合剂可以包括选自聚乙烯亚胺，聚胍，苯乙烯马来酐酰亚胺，季铵化合物，苯乙烯 - 丙烯酸聚合物，苯乙烯马来酸酐聚合物，聚氨酯及其混合物的聚合物。 所述至少两种聚合物可以以约0.001至约10的分子量比存在。还公开了具有增加的抗湿污染性的印刷图像的制备方法。 该方法包括提供多孔印刷介质，将喷墨油墨施加到多孔印刷介质上，以及将定影液施加到多孔印刷介质上。