Vermiculite dispersions and method of preparing same

Details Vermiculite dispersions and method of preparing same Vermiculite dispersions and method of preparing same

C - Chemistry, Metallurgy

04

B

6/219

C04B 14/20 (2006.01) C04B 30/00 (2006.01)

Patent

CA 1329454

ABSTRACT Stable vermiculite dispersions which are substantially free of settling and a method of preparing same are provided. The dispersions are obtained by treating the vermiculite platelets of which the dispersion is comprised with an anionic chelating agent. The anionic chelating agent enhances the rate and degree of swelling of the vermiculite in an aqueous medium. The swollen vermiculite is delaminated by shearing to provide the inventive dispersions.

603230

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