Coated metal fastener and coating composition therefor
    31.
    发明授权
    Coated metal fastener and coating composition therefor 失效
    镀金属紧固件及其涂料组合物

    公开(公告)号:US5476687A

    公开(公告)日:1995-12-19

    申请号:US868892

    申请日:1992-04-16

    摘要: A process for coating a metal fastener with a coating composition that has a particular affinity for plaster materials is disclosed. The composition comprises a mixture of a copolymer of an aromatic monomer, preferably styrene, and a monomer with .alpha., .beta. unsaturation with carboxyl groups, preferably maleic anhydride, and a thermoplastic resin disposed within an organic solvent. The resin is preferably polyvinyl acetate, and the solvent can be an aromatic solvent, a ketone, a chlorohydrocarbon, or a mixture there of. The coating composition is disposed within a reservoir, and the fastener is dipped into the composition within the reservoir. The coated fastener is then subsequently dried at approximately ambient temperature.

    摘要翻译: 公开了一种用于对具有对石膏材料具有特别亲和性的涂料组合物涂覆金属紧固件的方法。 组合物包含芳族单体,优选苯乙烯和具有羧基的α,β不饱和单体,优选马来酸酐的单体和设置在有机溶剂内的热塑性树脂的共聚物的混合物。 树脂优选为聚乙酸乙烯酯,溶剂可以是芳族溶剂,酮,氯代烃或其混合物。 涂料组合物设置在储存器内,并且紧固件浸入储存器内的组合物中。 然后将涂覆的紧固件在约环境温度下干燥。

    Coated metal fastener
    32.
    发明授权
    Coated metal fastener 失效
    镀金属紧固件

    公开(公告)号:US4964774A

    公开(公告)日:1990-10-23

    申请号:US414793

    申请日:1989-09-29

    摘要: A metal fastener, suitable for use in wood construction and coated with a polymeric residue produced by removing water from an aqueous dispersion of a film-forming, thermoplastic, predominately aliphatic polyurethane resin, thereby to reduce penetration force, increase withdrawal force, and protect against corrosion. Before the polyurethane coating is applied, a zinc layer is applied so as to coat the fastener, and a chromate conversion layer is applied so as to coat the zinc layer.

    摘要翻译: 一种金属紧固件,适用于木结构,并涂有聚合物残余物,通过从成膜,热塑性,主要为脂肪族聚氨酯树脂的水分散液中除去水分,从而降低穿透力,提高抽出力,防止 腐蚀。 在涂覆聚氨酯涂层之前,施加锌层以涂覆紧固件,并施加铬酸盐转化层以涂覆锌层。