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    • 1. 发明授权
    • Continuous inkjet printer aquous ink composition
    • 连续喷墨打印机含水墨水组成
    • US08398191B2
    • 2013-03-19
    • US12624444
    • 2009-11-24
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • B41J2/195B41J2/17
    • C09D11/322
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a styrene-acrylic copolymer that does not substantially displace any dispersant used to disperse the pigment, present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 一种连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中所述聚合物添加剂包含苯乙烯 - 丙烯酸共聚物,其基本上不排除用于分散颜料的任何分散剂,以有效稳定油墨组合物的量抵抗由油墨组合物通过连续喷墨印刷流体系统泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。
    • 2. 发明申请
    • CONTINUOUS INKJET PRINTER AQUOUS INK COMPOSITION
    • 连续喷墨打印机油墨组合物
    • US20110122180A1
    • 2011-05-26
    • US12624444
    • 2009-11-24
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • B41J29/38C09D11/10
    • C09D11/322
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a styrene-acrylic copolymer that does not substantially displace any dispersant used to disperse the pigment, present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 一种连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中所述聚合物添加剂包含苯乙烯 - 丙烯酸共聚物,其基本上不排除用于分散颜料的任何分散剂,以有效稳定油墨组合物的量抵抗由油墨组合物通过连续喷墨印刷流体系统泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。
    • 3. 发明申请
    • CONTINUOUS INKJET PRINTER AQUOUS INK COMPOSITION
    • 连续喷墨打印机油墨组合物
    • US20110123714A1
    • 2011-05-26
    • US12624439
    • 2009-11-24
    • Hwei-Ling YauWayne L. CookBarbara B. LussierSimon C. HaselerAlexandra D. Bermel
    • Hwei-Ling YauWayne L. CookBarbara B. LussierSimon C. HaselerAlexandra D. Bermel
    • B05D5/00C09D11/10
    • C09D11/326C09D11/30
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a water soluble block copolymer having one or more poly(ethylene oxide) block segments wherein the polymer additive is present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中聚合物添加剂包含水溶性 嵌段共聚物,其具有一个或多个聚(环氧乙烷)嵌段,其中所述聚合物添加剂以有效稳定墨组合物的量存在,抵抗由油墨组合物通过连续喷墨印刷流体体系泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。