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    • 1. 发明专利
    • Surface-sizing agent for making paper and coated paper
    • 用于制造纸张和涂布纸的表面处理剂
    • JP2005009043A
    • 2005-01-13
    • JP2003176030
    • 2003-06-20
    • Arakawa Chem Ind Co Ltd荒川化学工業株式会社
    • KAWAKITA MASAYUKITAKEDA MITSUHIROHARAGUCHI TAKESHI
    • B41J2/01B41M5/00B41M5/50B41M5/52D21H19/10D21H19/22D21H27/00
    • PROBLEM TO BE SOLVED: To provide a surface-sizing agent for making paper that can reveal not only the required performance as a general surface-sizing agent but also a high grade of inkjet printability (particularly high print density and good feathering resistance) in comparison with conventional surface-sizing agent including styrene copolymer as a main component, and provide the coated paper produced by coating paper surface with the surface-sizing agent for making paper.
      SOLUTION: The surface-sizing agent for making paper comprises (A) a styrene copolymer and (B) a diglycerol derivative represented by general formula (1) [wherein R
      1 through R
      4 are each H, general formula (2): -(X
      1 O)
      n H (wherein X
      1 is a 1-4C straight or branched alkylene group and n is an integer of 4-40) or general formula (3): -CO-X
      2 (wherein X
      2 is a 1-20 C straight, cyclic or branched alkyl group) and they may be identical or different].
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于制造纸的表面施胶剂,其不仅可以显示作为一般表面施胶剂所需的性能,而且可以显示高等级的喷墨印刷性(特别是高印刷密度和良好的耐羽毛性 )与通常的表面施胶剂(包括苯乙烯共聚物作为主要成分)相比较,并提供通过用表面施胶剂涂布纸表面而制成的涂布纸。 用于制造纸的表面施胶剂包含(A)苯乙烯共聚物和(B)由通式(1)表示的双甘油衍生物[其中R 1 至R 4 各自为H,通式(2): - (X 1 O)其中X 1 为 1-4C直链或支链亚烷基,n为4-40的整数)或通式(3):-CO-X 2其中X 2 为 1-20 C直链,支链或支链烷基),它们可以相同或不同]。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Surface-sizing agent for making paper and coated paper
    • 用于制造纸张和涂布纸的表面处理剂
    • JP2006022427A
    • 2006-01-26
    • JP2004200878
    • 2004-07-07
    • Arakawa Chem Ind Co Ltd荒川化学工業株式会社
    • KAWAKITA MASAYUKITAKEDA MITSUHIROHARAGUCHI TAKESHI
    • D21H17/15D21H17/37
    • PROBLEM TO BE SOLVED: To provide a surface-sizing agent which is used for making paper, can exhibit not only a general paper-sizing effect but also an instantaneous sizing effect required for offset printing (especially offset printing for newspaper), and is suitable for a gate roll coating method (namely, little produces insolubles in the presence of an acid or a polyvalent metal and exhibits an excellent sizing effect by the method).
      SOLUTION: This surface-sizing agent for making paper comprises a copolymer neutral salt (A) containing an α-olefin and an α,β-unsaturated polycarboxylic acid as main constituting components and a neutral alkyl or alkenyl-substituted succinate (B).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供用于制造纸张的表面施胶剂,不仅可以显示出一般的造纸效果,而且还可以显示胶版印刷(特别是报纸胶版印刷)所需的瞬时施胶效果, 适用于浇铸辊涂法(即,在酸或多价金属的存在下几乎不产生不溶物,并且通过该方法表现出优异的施胶效果)。 该制造用表面施胶剂包含含有α-烯烃和α,β-不饱和多元羧酸作为主要成分的中性中间盐(A)和中性烷基或链烯基取代的琥珀酸酯(B )。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Surface sizing agent for paper manufacturing
    • 纸张制造的表面尺寸代理
    • JP2005171418A
    • 2005-06-30
    • JP2003413056
    • 2003-12-11
    • Arakawa Chem Ind Co Ltd荒川化学工業株式会社
    • KAWAKITA MASAYUKITAKEDA MITSUHIROHARAGUCHI TAKESHIWATANABE SHIYOUKI
    • D21H21/16D21H19/20
    • PROBLEM TO BE SOLVED: To provide a surface sizing agent for paper manufacturing, which is excellent in storage stability and stability (mechanical stability) in a coating method under shearing force such as gate roll and size press through appropriately selecting protective colloid, and has an emulsion with low foaming as the active component and excellent in each kind of size effects, while excellent in feathering and bleeding aptitude in ink-jet printing while possessing the abilities. SOLUTION: This surface sizing agent for paper manufacturing has an aqueous emulsion composition as the main ingredient obtained by emulsifying and polymerizing each kind of polymeric monomers in the presence of protective colloid essentially having a basic acid modified rosin ester. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种在通过适当选择保护胶体的浇注辊和压力下的剪切力下的涂布方法中的储存稳定性和稳定性(机械稳定性)优异的纸张制造用表面施胶剂, 并且具有低泡沫作为活性成分的乳液,并且在各种尺寸效果方面都是优异的,同时具有优异的喷墨印刷中的羽化和渗色性能。 解决方案:用于制纸的表面施胶剂具有水性乳液组合物作为主要成分,其通过在基本上具有碱性酸改性松香酯的保护胶体的存在下乳化和聚合各种聚合单体而获得。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Surface sizing agent for paper manufacturing
    • 纸张制造的表面尺寸代理
    • JP2005171417A
    • 2005-06-30
    • JP2003413055
    • 2003-12-11
    • Arakawa Chem Ind Co Ltd荒川化学工業株式会社
    • KAWAKITA MASAYUKITAKEDA MITSUHIROHARAGUCHI TAKESHIWATANABE SHIYOUKI
    • D21H19/20D21H21/16
    • PROBLEM TO BE SOLVED: To provide an emulsion type surface sizing agent for paper manufacturing manifesting excellent sizing effect in both methods of a present main current size press coating method and a gate roll coating method using alkyl- or alkenyl-substituted succinate which is widely appreciatingly used as the raw material of a neutral sizing agent in recent years, and excellent in feathering and bleeding aptitude in ink-jet printing. SOLUTION: This surface sizing agent for paper manufacturing comprises using an aqueous emulsion composition obtained by emulsifying and polymerizing a specific quantity of each kind of vinyl-based monomers in the presence of a specific quantity of alkali salt of 8-36C alkyl- or alkenyl-substituted succinic acid anhydride. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于造纸的乳液型表面施胶剂,其表现出优异的施胶效果,在本发明的主流压榨涂布方法和使用烷基或链烯基取代的琥珀酸盐的浇铸辊涂法 被广泛用作近年来中性施胶剂的原料,在喷墨印花中具有优异的羽化和渗色性能。 解决方案:用于纸张制造的表面施胶剂包括使用通过在特定量的8-36C烷基 - 单体的碱金属盐的存在下乳化和聚合特定量的各种乙烯基类单体而获得的水性乳液组合物, 或烯基取代的琥珀酸酐。 版权所有(C)2005,JPO&NCIPI