Enhancement of tissue paper softness with minimal effect on stre

Details Enhancement of tissue paper softness with minimal effect on stre Enhancement of tissue paper softness with minimal effect on stre

1992-03-09

1994-01-04

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162111, 162183, D21H 1725

Patent

active

052756980

ABSTRACT:
A process for making paper to enhance the softness of the paper produced without reducing its dry strength comprises adding to the pulp slurry as a binder resin a cellulosic polymer that exhibits a cloud point in aqueous solution, and allowing the dissolved polymer to coalesce into fine colloidal particles at a temperature above the cloud point either before or after it is added to the slurry.

REFERENCES:
patent: 2033481 (1936-03-01), Richter
patent: 2285490 (1942-06-01), Broderick
patent: 2766137 (1956-10-01), Ashton
patent: 4158594 (1979-06-01), Becker et al.
Horsey, "Sodium Carboxymethylcellulose for Papermaking", Paper Trade Journal, vol. 125, No. 4 pp. 40-44.

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