Coated metal sheet bondable with adhesive
    1.
    发明授权
    Coated metal sheet bondable with adhesive 失效
    涂胶金属片可粘合粘合剂

    公开(公告)号:US5968662A

    公开(公告)日:1999-10-19

    申请号:US953915

    申请日:1997-10-20

    摘要: A coated metal sheet has undercoat and topcoat paint films formed on the metal substrate. The undercoat film is composed of polyester paint, which is preferably prepared by adding methylated or butylated melamine resin as a curing agent to hydroxyl group-containing macromolecular polyester resin having a glass-transition temperature of 10.degree. C. or higher. The topcoat film is composed of the polyester paint which is preferably prepared by adding an isocyanate curing agent in an amount of 10 wt. % or more to hydrocyl group-containing macromolecular polyester resin. The substrate metal may be a chemically converted steel sheet, galvarnized steel sheet, stainless steel sheet or aluminum sheet. Since the coated steel sheet is bonded with excellent shear strength and durability, it is useful as the casing of electric home appliance or business machine, or a structural member or part for building or furniture.

    摘要翻译: 涂覆的金属片材具有形成在金属基底上的底涂层和顶涂漆膜。 底涂膜由聚酯涂料组成,其优选通过将甲基化或丁基化三聚氰胺树脂作为固化剂加入到具有10℃或更高的玻璃化转变温度的含羟基的大分子聚酯树脂中制备。 面漆由聚酯涂料组成,优选通过加入10重量%的异氰酸酯固化剂来制备。 %以上含羟基的高分子聚酯树脂。 基板金属可以是化学转化钢板,合金钢板,不锈钢板或铝板。 由于涂层钢板以优异的剪切强度和耐久性粘合,因此可用作家用电器或商业机器的外壳,或用于建筑物或家具的结构构件或部件。