금속 기판에 사용되는 코팅 조성물
    4.
    发明公开
    금속 기판에 사용되는 코팅 조성물 有权
    金属基材涂料组合物

    公开(公告)号:KR1020100013314A

    公开(公告)日:2010-02-09

    申请号:KR1020097024051

    申请日:2008-04-16

    Abstract: Coating composition suitable for coating a metal, preferably steel, substrate which is intended to be fabricated and overcoated, said composition comprising: i) zinc powder and/or a zinc alloy and ii) a modified silica sol comprising colloidal silica particles modified with 6-40 wt% of one or more silane compounds, based on the combined dry weight of silane compound(s)and colloidal silica particles, and being obtainable by adding said silane compound(s) to a silica sol with a rate of not more than 20silane molecules per nm2 colloidal silica surface per hour.This coating composition has a relatively long pot life, good white rust resistance, and good film properties.

    Abstract translation: 所述组合物包含:i)锌粉和/或锌合金,和ii)包含用6-氯苯酚改性的胶体二氧化硅颗粒的改性二氧化硅溶胶,其中所述涂料组合物适于涂覆预期将被制造和涂覆的金属, 40重量%的一种或多种硅烷化合物,基于硅烷化合物和胶体二氧化硅颗粒的组合干重,并且可通过将硅烷化合物以不大于20的硅烷加入到硅溶胶中而获得 每小时每nm 2胶体二氧化硅表面的分子。该涂料组合物具有较长的适用期,良好的防白锈性和良好的膜性能。

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