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    • 6. 发明授权
    • AB block copolymer dispersants having an ink vehicle soluble block
    • AB嵌段共聚物分散剂,具有油墨载体可溶性嵌段
    • US08500266B2
    • 2013-08-06
    • US13125599
    • 2009-11-20
    • C. Chad RobertsRobert Paul HeldPatrick F. McIntyreChristian Jackson
    • C. Chad RobertsRobert Paul HeldPatrick F. McIntyreChristian Jackson
    • G01D11/00
    • C09D17/001C08F293/00C09D11/326
    • The present disclosure provides a aqueous colorant dispersion comprising a colorant and a polymeric dispersant, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, is substantially free of hydroxyethylmethacrylate, and comprises at least 50% by weight of a monomer, having the following structure: CH2═CRC(O)O(CHR1CH2O)nR2, wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 to about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant is neutralized. The disclosure further pertains to an aqueous ink jet ink comprising this aqueous colorant dispersion. Still further, the disclosure pertains to a method of printing that provides images with the requisite optical density and chroma needed for emerging ink jet applications.
    • 本公开提供了包含着色剂和聚合物分散剂的水性着色剂分散体,其中所述聚合物分散剂是包含A嵌段和B嵌段的嵌段共聚物,其中所述A嵌段是嵌段尺寸为约5至约18的链段 基本上不含甲基丙烯酸羟乙酯,并且包含至少50重量%的具有以下结构的单体:CH2 = CRC(O)O(CHR1CH2O)nR2,其中R和R1是H或甲基; R2是1-4个碳原子的烷基或苯基; 且n为约1至约20; 并且B嵌段是包含离子单体和至少一种疏水性单体的链段; 并且其中所述分散剂被中和。 本公开还涉及包含该水性着色剂分散体的水性喷墨油墨。 此外,本公开涉及一种打印方法,其提供具有新出现的喷墨应用所需的必要光密度和色度的图像。
    • 7. 发明申请
    • AB BLOCK COPOLYMER DISPERSANTS HAVING AN INK VEHICLE SOLUBLE BLOCK
    • 具有油墨可溶性块的AB嵌段共聚物分散体
    • US20110199420A1
    • 2011-08-18
    • US13125599
    • 2009-11-20
    • C. Chad RobertsRobert Paul HeldPatrick F. McintyreChristian Jackson
    • C. Chad RobertsRobert Paul HeldPatrick F. McintyreChristian Jackson
    • B41J2/015C08L53/00C09D11/10
    • C09D17/001C08F293/00C09D11/326
    • The present disclosure provides a aqueous colorant dispersion comprising a colorant and a polymeric dispersant, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, is substantially free of hydroxyethylmethacrylate, and comprises at least 50% by weight of a monomer, having the following structure: CH2═CRC(O)O(CHR1CH2O)nR2, wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 to about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant is neutralized. The disclosure further pertains to an aqueous ink jet ink comprising this aqueous colorant dispersion. Still further, the disclosure pertains to a method of printing that provides images with the requisite optical density and chroma needed for emerging ink jet applications.
    • 本公开提供了包含着色剂和聚合物分散剂的水性着色剂分散体,其中所述聚合物分散剂是包含A嵌段和B嵌段的嵌段共聚物,其中所述A嵌段是嵌段尺寸为约5至约18的链段 单元,基本上不含甲基丙烯酸羟乙酯,并且包含至少50重量%的具有以下结构的单体:CH 2 = CRC(O)O(CHR 1 CH 2 O)n R 2,其中R和R 1是H或甲基; R2是1-4个碳原子的烷基或苯基; 且n为约1至约20; 并且B嵌段是包含离子单体和至少一种疏水性单体的链段; 并且其中所述分散剂被中和。 本公开还涉及包含该水性着色剂分散体的水性喷墨油墨。 此外,本公开涉及一种打印方法,其提供具有新出现的喷墨应用所需的必要光密度和色度的图像。