申请人:Sabic Innovative Plastics IP B.V.
公开号:US07915332B2
公开(公告)日:2011-03-29
This invention relates to organic salt compositions useful in the preparation of organoclay compositions, polymer-organoclay composite compositions, and methods for the preparation of polymer nanocomposites. In one embodiment, the present invention provides an organoclay composition comprising alternating inorganic silicate layers and organic layers, said organic layers comprising a quaternary phosphonium cation having structure X
wherein Ar1, Ar2, and Ar3 are independently C2-C50 aromatic radicals; Ar4 is a bond or a C2-C50 aromatic radical; “a” is a number from 1 to about 200; “c” is a number from 0 to 3; R1 is independently at each occurrence a halogen atom, a C1-C20 aliphatic radical, a C5-C20 cycloaliphatic radical, or a C2-C20 aromatic radical; and R2 is a halogen atom, a C1-C20 aliphatic radical, a C5-C20 cycloaliphatic radical, a C2-C50 aromatic radical, or a polymer chain.
本发明涉及有机盐组合物,可用于制备有机粘土组合物、聚合物-有机粘土复合组合物以及制备聚合物纳米复合材料的方法。在一种实施例中,本发明提供了一种有机粘土组合物,其包括交替排列的无机硅酸盐层和有机层,所述有机层包括具有结构X的季铵磷酸盐阳离子,其中Ar1、Ar2和Ar3分别是C2-C50芳香基团;Ar4是键或C2-C50芳香基团;“a”是1到约200的数字;“c”是0到3的数字;R1在每次出现时独立地是卤素原子、C1-C20脂肪基、C5-C20环烷基或C2-C20芳香基团;R2是卤素原子、C1-C20脂肪基、C5-C20环烷基、C2-C50芳香基团或聚合物链。