Compositions and methods for polymer composites

Details Compositions and methods for polymer composites Compositions and methods for polymer composites

2011-03-29

2011-03-29

Eashoo, Mark (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S442000, C524S447000, C524S449000, C524S450000, C524S714000, C524S706000, C524S707000, C524S709000

Reexamination Certificate

active

07915332

ABSTRACT:
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 Xwherein Ar1, Ar2, and Ar3are independently C2-C50aromatic radicals; Ar4is a bond or a C2-C50aromatic radical; “a” is a number from 1 to about 200; “c” is a number from 0 to 3; R1is independently at each occurrence a halogen atom, a C1-C20aliphatic radical, a C5-C20cycloaliphatic radical, or a C2-C20aromatic radical; and R2is a halogen atom, a C1-C20aliphatic radical, a C5-C20cycloaliphatic radical, a C2-C50aromatic radical, or a polymer chain.

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