Water-swelling polymer-mineral composite material and...

Details Water-swelling polymer-mineral composite material and... Water-swelling polymer-mineral composite material and...

C - Chemistry, Metallurgy

09

K

C09K 17/00 (2006.01)

Patent

CA 2066206

ABSTRACT A water-swelling polymer-mineral composite con- tains a bentonite clay and a linear polyanionic polymer having a molecular weight of 106 or more, taken in the amount providing a weight ratio of the polymer to the title clay equal to 0.05 - 0.10. The preparation of the composite material is carried out by mixing a bentonite clay and a linear polyanionic polymer having a molecular weight of 106 or more, taken in the amount providing a weight ratio of the polymer to the title clay of 0.05 - 0.10 in the presence of water. Thereafter, the resultant mix- ture is dried to give the end solid product.

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