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    • 6. 发明申请
    • REPLENISHER AND METHOD FOR PRODUCING SURFACE-TREATED STEEL SHEET
    • 表面处理钢板的制造方法及其制造方法
    • US20150021192A1
    • 2015-01-22
    • US14361143
    • 2011-11-30
    • Yuta YoshidaHiroki SunadaShigeki YamamotoHidehiro Yamaguchi
    • Yuta YoshidaHiroki SunadaShigeki YamamotoHidehiro Yamaguchi
    • C25D9/10C25D21/18C25D11/00
    • C25D9/10C25D9/08C25D11/00C25D21/18
    • The purpose of the present invention is to provide a replenisher which is capable of supplying Zr ions to a metal surface treatment solution, while suppressing an increase in the HF concentration in the metal surface treatment solution, so that a chemical conversion coating film can be continuously formed on a steel sheet by electrolysis. A replenisher of the present invention is a replenisher which is used for the purpose of supplying zirconium ions to a metal surface treatment solution that contains zirconium ions and fluorine ions, and the replenisher contains (A) zirconium hydrofluoric acid or a salt thereof and/or (B) hydrofluoric acid or a salt thereof and (C) a fluorine-free zirconium compound. The total concentration (g/l) of zirconium ions derived from the components (A) and (C) is 20 or more, and the ratio of the total molar amount (MF) of the fluorine ions derived from the components (A) and (B) relative to the total molar amount (MZr) of the zirconium ions derived from the components (A) and (C), namely MF/MZr is 0.01 or more but less than 4.00.
    • 本发明的目的是提供一种能够在抑制金属表面处理溶液中的HF浓度增加的同时向金属表面处理溶液供给Zr离子的补充剂,从而能够连续地进行化学转化覆膜 通过电解在钢板上形成。 本发明的补充剂是用于将锆离子供给到含有锆离子和氟离子的金属表面处理溶液中的补充剂,补充剂含有(A)氢氟酸锆或其盐和/或 (B)氢氟酸或其盐和(C)无氟锆化合物。 从(A)成分和(C)成分得到的锆离子的总浓度(g / l)为20以上,来自(A)成分的氟离子的总摩尔量(MF) (A)和(C)衍生的锆离子的总摩尔量(MZr),即MF / MZr为0.01以上且小于4.00。
    • 9. 发明申请
    • MODIFIED POLYVINYL ALCOHOL, MODIFIED POLYVINYL ACETAL AND CERAMIC SLURRY COMPOSITION
    • 改性聚乙烯醇,改性聚乙烯醇和陶瓷浆料组合物
    • US20130197154A1
    • 2013-08-01
    • US13824498
    • 2011-09-16
    • Hidehiro YamaguchiYuki IshikawaYasuharu Nagai
    • Hidehiro YamaguchiYuki IshikawaYasuharu Nagai
    • C08F116/06
    • C08F116/06C04B35/4682C04B35/63416C04B35/6342C04B2235/5445C04B2235/6025C08F8/12C08F8/28C08F8/50C08F216/38C08K3/00C08F16/06
    • The present invention provides a modified polyvinyl alcohol enabling to produce polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization while hardly causing reaction inhibition, coloring, and particle coarsening, and a method for producing the modified polyvinyl alcohol. The present invention also provides a modified polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization, and has high elasticity, mechanical strength, and a film forming property. The present invention further provides a method for producing the modified polyvinyl acetal, a polyvinyl acetal film produced from the modified polyvinyl acetal, a method for producing the polyvinyl acetal film, a ceramic slurry composition, a method for producing the ceramic slurry composition, and a ceramic green sheet. The present invention is a modified polyvinyl alcohol including at least one functional group selected from the group consisting of hydroxyl, aldehyde, carboxyl, and lactone ring groups at a molecular end, and having a degree of saponification of 99.95 mol % or higher and a 1,2-glycol bond content of 1.4 mol % or lower.
    • 本发明提供一种改性聚乙烯醇,其能够生产聚合物缩醛,即使在低聚合反应时溶剂性也优异,同时几乎不引起反应抑制,着色和颗粒粗化,以及改性聚乙烯醇的制备方法。 本发明还提供即使在低聚合度下溶剂性也优异的改性聚乙烯醇缩醛,具有高弹性,机械强度和成膜性。 本发明还提供一种改性聚乙烯醇缩醛的制造方法,由改性聚乙烯醇缩醛制造的聚乙烯醇缩醛膜,聚乙烯醇缩醛膜的制造方法,陶瓷浆料组合物,陶瓷浆料组合物的制造方法以及 陶瓷绿板。 本发明是一种改性聚乙烯醇,其在分子末端具有选自羟基,醛,羧基和内酯环基中的至少一种官能团,皂化度为99.95mol%以上,1 ,2-二醇键含量为1.4摩尔%以下。