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    • 2. 发明申请
    • Aqueous Dispersion Type Polyurethane Composition
    • 水分散型聚氨酯组合物
    • US20080103282A1
    • 2008-05-01
    • US10586754
    • 2005-02-02
    • Tamotsu NagamatsuFumiaki Murano
    • Tamotsu NagamatsuFumiaki Murano
    • C08G18/06
    • C08G18/44C08G18/0823C09D175/04
    • An aqueous dispersion type polyurethane composition is obtained from (a) a polyisocyanate component essentially comprising a diisocyanate and optionally other polyisocyanate compound, (b) a polyol component essentially comprising a polycarbonate diol having an average molecular weight of 500 to 5000 and a carboxyl-containing diol and optionally other polyol compound, (c) an amine component essentially comprising a monoamine compound as an essential component and optionally a diamine compound, (d) a carboxyl-neutralizing component, and (e) water. The composition is suited as a member of automotive intercoating compositions, providing a coating film with good adhesion to surfaces to be coated and satisfactory physical properties. The coating film imparts sufficient impact resistance to coating systems.
    • 水分散型聚氨酯组合物由(a)主要包含二异氰酸酯和任选的其它多异氰酸酯化合物的多异氰酸酯组分得到,(b)基本上包含平均分子量为500至5000的聚碳酸酯二醇和含羧基的多元醇组分 二醇和任选的其它多元醇化合物,(c)基本上包含单胺化合物作为必需组分和任选的二胺化合物的胺组分,(d)羧基中和组分和(e)水。 该组合物适合作为汽车交联组合物的成分,提供对待涂覆的表面具有良好粘附性的涂膜和令人满意的物理性能。 涂膜对涂料体系赋予足够的耐冲击性。