High bulk paper of great stiffness

Details High bulk paper of great stiffness High bulk paper of great stiffness

1974-06-21

1978-11-07

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Plural fiber containing

162166, 162168R, 162175, 162182, 162183, D21H 338

Patent

active

041244397

ABSTRACT:
Paper having adequate mechanical strength and stiffness for use in xerographic equipment at a very low weight is prepared from a stock containing untreated cellulose fibers as well as cellulose fibers stiffened by impregnation with melamine-formaldehyde precondensate or methylolurea, curing of the initially water-soluble resin, and reaction of the cured resin with polyvinyl alcohol or starch ether.

REFERENCES:
patent: 2737179 (1956-03-01), Dahle
patent: 2998344 (1961-08-01), Carlson
patent: 3219519 (1965-11-01), Barber et al.
patent: 3354034 (1967-11-01), Jarowenko
patent: 3494825 (1970-02-01), Spielau et al.
patent: 3535202 (1970-10-01), Huang
patent: 3630831 (1971-12-01), Jongetjes
patent: 3679544 (1972-07-01), Ashikaga et al.
patent: 3714088 (1973-01-01), Manning
patent: 3878038 (1975-04-01), Opderbeck et al.

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