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    • 7. 发明专利
    • Starch-based coating composition
    • 基于淀粉的涂料组合物
    • JP2008013744A
    • 2008-01-24
    • JP2006340180
    • 2006-12-18
    • Kansai Paint Co Ltd関西ペイント株式会社
    • KAWAMURA TSUTOMUUMEZAWA KENICHI
    • C09D103/00C09D101/00C09D157/00C09D175/04C09D191/06
    • C09D103/06C08G18/10C08G18/3206C08G18/755C09D175/04C08G18/6484
    • PROBLEM TO BE SOLVED: To provide a starch-based coating composition forming a coating film superior in storage stability as an one component-type coating, also superior in drying property, finishing property, pencil hardness, scratch resistance, adhesiveness, alkali resistance, solvent resistance and weather resistance, and an article coated with this starch-based coating composition.
      SOLUTION: The starch-based coating composition contains a resin composition prepared by reacting a starch and/or a denatured starch (A) with a product (B) having isocyanate group, obtained by reacting a polyisocyanate compound (b1) with a polyhydric alcohol (b2), as a binder; or a resin composition prepared by reacting these (A) and (B) with a resin prepared by radically polymerizing a mixture comprising an aromatic radically polymerizable unsaturated monomer, a hydroxy group-containing radically polymerizable unsaturated monomer, and when desired, another radically polymerizable unsaturated monomer, as a binder.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供形成作为单组分型涂料的保存稳定性优异的涂膜的淀粉类涂料组合物,其干燥性,整理性,铅笔硬度,耐擦伤性,粘合性,碱性也优异 电阻,耐溶剂性和耐候性,以及涂覆有该淀粉基涂料组合物的制品。 淀粉类涂料组合物含有通过使淀粉和/或变性淀粉(A)与具有异氰酸酯基的产物(B)反应制备的树脂组合物,其通过使多异氰酸酯化合物(b1)与 多元醇(b2),作为粘合剂; 或通过使这些(A)和(B)与通过使包含芳族自由基聚合性不饱和单体,含羟基的自由基聚合性不饱和单体的混合物自由基聚合而制备的树脂制备的树脂组合物,并且当需要时,另一种可自由基聚合的不饱和单体 单体,作为粘合剂。 版权所有(C)2008,JPO&INPIT