发明名称 NANOSILICA/CLAY COMPOSITIONS AND COATED ARTICLES, AND METHODS OF MAKING THE SAME
摘要 A coating composition comprising an aqueous media comprising silica nanoparticles dispersed in the aqueous media, and clay particles dispersed in the aqueous media, wherein a weight ratio of the clay particles to the silica nanoparticles is in a range from 0.01 to 0.25, and wherein the coating composition has a pH of less than or equal to 4. Articles having an outermost layer having an amorphous silica network of silica nanoparticles and clay particles dispersed in the amorphous silica network.
申请公布号 US2016060496(A1) 申请公布日期 2016.03.03
申请号 US201414781916 申请日期 2014.04.15
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 Schmidt Daniel J.;Meuler Adam J.;Jing Naiyong
分类号 C09K3/16 主分类号 C09K3/16
代理机构 代理人
主权项 1. A coating composition comprising: an aqueous media; silica nanoparticles dispersed in the aqueous media, wherein the silica nanoparticles have an average particle size in a longest dimension of up to 100 nm; and clay particles dispersed in the aqueous media, wherein the clay particles have an average particle size in a longest dimension in a range from 20 nm to 1000 nm; wherein a weight ratio of the clay particles to the silica nanoparticles is in a range from 0.01 to 0.25, and wherein the coating composition has a pH of less than or equal to 4.
地址 Saint Paul MN US