Aqueous fine dispersion of an organophilic sheet silicate

Details Aqueous fine dispersion of an organophilic sheet silicate Aqueous fine dispersion of an organophilic sheet silicate

C - Chemistry, Metallurgy

09

K

C09K 3/00 (2006.01) C09C 1/28 (2006.01) C09C 1/42 (2006.01) C09D 1/04 (2006.01) C09D 17/00 (2006.01) C09D 183/02 (2006.01) D21H 17/36 (2006.01) D21H 17/69 (2006.01) D21H 19/40 (2006.01) D21H 19/46 (2006.01) D21H 19/60 (2006.01)

Patent

CA 2082547

The invention relates to an aqueous fine dispersion of an organophilic sheet silicate which is composed of a sheet silicate which is capable of cation exchange and of a quaternary organic onium salt reacted therewith, and contains 3 to 30% by weight, based on the organophilic sheet silicate, of polyvinyl alcohol. This fine dispersion is suitable as coating composition for paper and board and as lubricant additive for conventional coating compositions.

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