Clay compositions and their use in paper making

Details Clay compositions and their use in paper making Clay compositions and their use in paper making

1991-11-05

1993-06-29

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621813, 1621818, 162183, D21H 1769

Patent

active

052230988

ABSTRACT:
Bentonite swelling clay is provided to a paper making mill as a fluid concentrate containing more than 15% bentonite wherein swelling of the bentonite is prevented by inorganic electrolyte in the concentrate, and the bentonite swells upon dilution either before addition of the cellulosic suspension or after addition.

REFERENCES:
patent: 4753710 (1988-06-01), Langley et al.
patent: 5015334 (1991-05-01), Derrick
"Production and Control of Properties of Highly-Concentrated Clay Suspensions" by B. I. Sych, Journal of the Khar'kov Polytechnic Institute, 1968 27 (74), 23-28.

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