High solids content active clay coating formulations and methods

Details High solids content active clay coating formulations and methods High solids content active clay coating formulations and methods

1977-04-20

1978-01-31

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

427391, C09C 142, B41M 522

Patent

active

040716465

ABSTRACT:
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.

REFERENCES:
patent: 3468698 (1969-09-01), Pelletier et al.
patent: 3714107 (1973-01-01), Smith
patent: 3753761 (1973-08-01), Sugahara et al.
patent: 4042412 (1977-08-01), Williams

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