Layered compositions with multi-charged onium ions as...

Details Layered compositions with multi-charged onium ions as... Layered compositions with multi-charged onium ions as...

C - Chemistry, Metallurgy

08

L

C08L 77/06 (2006.01) C01B 33/44 (2006.01) C08K 3/34 (2006.01) C08K 9/04 (2006.01)

Patent

CA 2299761

Intercalated layered materials prepared by co-intercalation of a multi-charged onium ion spacing/coupling agent and a matrix polymer between the planar layers of a swellable layered material, such as a phyllosilicate, preferably a smectite clay. The spacing of adjacent layers of the layered materials is expanded at least about 3 .ANG., preferably at least about 5 .ANG., usually to about 15-20 .ANG., e.g., 18 .ANG. with the di-charged onium ion spacing/coupling agent. The intercalation of the matrix polymer then increases the spacing between adjacent layers to at least about 15 .ANG., preferably to about 20 .ANG. to about 30 .ANG..

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