High solids active clay coating formulations and method for...

C - Chemistry – Metallurgy – 04 – B

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6/225, 8/75

C04B 33/00 (2006.01) B28C 1/00 (2006.01) B41M 5/155 (2006.01)

Patent

CA 1090504

TITLE OF THE INVENTION: HIGH SOLIDS CONTENT ACTIVE CLAY COATING FORMULATIONS AND METHODS FOR PRODUCING AND APPLYING THE SAME INVENTOR: RODNEY E. WILLIAMS ABSTRACT OF THE DISCLOSURE Disclosed are high solids content bentonite clay coating formulations for use in the production of receiver sheets for carbonless copying systems. The formulations comprise an acid-leached bentonite-type clay and an inactive clayey material such as chalk or a mixture of chalk and kaolin. The formulations are effective for use in the "on machine" blade coating of a paper substrate to more efficiently produce receiver sheets for carbonless copy systems.

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