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    • 10. 发明申请
    • LAYERED SILICATE/POLYMER COMPOSITE AND A METHOD OF FORMING THE SAME
    • 层状硅酸盐/聚合物复合材料及其形成方法
    • US20140272372A1
    • 2014-09-18
    • US14350057
    • 2012-10-04
    • Agency for Science, Technology and Research
    • Xu LiChaobin HeSiew Yee Wong
    • C09D7/12
    • C09D7/61B82Y40/00C08K3/346C08K9/08C09D1/00C09D1/04Y10T428/249921
    • The present invention relates to a method for forming a layered silicate/polymer composite, the composite comprising individual exfoliated silicate layers separated in a continuous polymer matrix, wherein the polymer is a hydrophobic polymer, the method comprising: exfoliating sheet silicate in water to form a silicate suspension; replacing the water in the silicate suspension by an organic solvent to form a silicate/organic solvent suspension; contacting the silicate/organic solvent suspension with a solution of a hydrophobic polymer precursor in an organic solvent to form a silicate/polymer precursor suspension; coating the silicate/polymer precursor suspension on a substrate; removing the organic solvents; curing the hydrophobic polymer precursor of the coating of the silicate/polymer precursor; and annealing the cured coating to form the layered silicate/polymer composite on the substrate.
    • 本发明涉及一种形成层状硅酸盐/聚合物复合材料的方法,该复合材料包括在连续聚合物基体中分离的单个剥离的硅酸盐层,其中聚合物是疏水性聚合物,该方法包括:将硅酸盐在水中去角质以形成 硅酸盐悬浮液 用有机溶剂代替硅酸盐悬浮液中的水,形成硅酸盐/有机溶剂悬浮液; 使硅酸盐/有机溶剂悬浮液与疏水性聚合物前体在有机溶剂中的溶液接触以形成硅酸盐/聚合物前体悬浮液; 将硅酸盐/聚合物前体悬浮液涂覆在基材上; 去除有机溶剂; 固化硅酸盐/聚合物前体的涂层的疏水性聚合物前体; 并对固化的涂层退火以在基底上形成层状硅酸盐/聚合物复合材料。