COMPOSITIONS AND METHODS FOR POLYMER COMPOSITES

摘要

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 pyridinium cation having structure XXV [(I)] wherein Ar⁶, Ar⁷and Ar⁸ are independently C₂-C₅₀ aromatic radicals; "b" is a number from 0 to 2; R³ is independently at each occurrence a halogen atom, a C₁-C_2O aliphatic radical, a C₅-C₂₀ cycloaliphatic radical, or a C₂-C_2O aromatic radical; and Ar¹¹ is a C₂- C₂₀₀ aromatic radical, or a polymer chain comprising at least one aromatic group.