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    • 2. 发明申请
    • Process for the Preparation of Aluminium Particles Coated with a Polymer Layer
    • 用聚合物层涂覆的铝颗粒的制备方法
    • US20080281029A1
    • 2008-11-13
    • US11631074
    • 2005-06-28
    • Fabrice MorvanHerve LelievreEtienne DuguetNicolas Doreau
    • Fabrice MorvanHerve LelievreEtienne DuguetNicolas Doreau
    • C09D5/00B05D7/14C08K3/08
    • C09C1/644
    • A method for coating aluminum particles with a polymer film, includes the following steps: (A) providing an aqueous dispersion of metal aluminum particles using surfactants, the aluminum particles being contacted with S2O82− persulphate anions; then (B) providing an emulsion type polymerization in the aqueous dispersion thus obtained, by introducing into the dispersion monomers whereof the free radical polymerization is initiated by the persulphate anions, or by introducing into the emulsion monomers and an initiator for polymerizing the monomers, whereby a polymer film is formed on the surface of the aluminum particles. The invention also concerns pigment compositions based on aluminum particles coated with polymer films, obtainable by the method, as well as the use of the compositions for formulation of paints having a metallized appearance.
    • 一种用聚合物膜涂覆铝颗粒的方法包括以下步骤:(A)使用表面活性剂提供金属铝颗粒的水分散体,所述铝颗粒与S 2 O 8 过硫酸根阴离子; 然后(B)通过将由所得到的水性分散体引入到由过硫酸根阴离子引发自由基聚合的分散单体中,或者通过将乳液单体引入单体和用于聚合单体的引发剂来提供乳液型聚合,由此 在铝粒子的表面上形成聚合物膜。 本发明还涉及基于涂覆有聚合物膜的铝颗粒的颜料组合物,其可通过该方法获得,以及该组合物用于配制具有金属化外观的涂料的用途。