Making paper which has a high dry strength

Details Making paper which has a high dry strength Making paper which has a high dry strength

1986-04-15

1988-11-15

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162135, 1621683, 1621684, 1621685, D21H 338

Patent

active

047847247

ABSTRACT:
Paper having a high dry strength is made using water-soluble homopolymers of salts or quaternary 1-vinyl-2-imidazolines and copolymers of these salts or quaternary compounds with acrylamide and/or methacrylamide as agents for increasing the dry strength of paper.

REFERENCES:
patent: 3323980 (1967-06-01), Poschmann et al.
patent: 3640936 (1972-02-01), Williams
patent: 3840489 (1974-10-01), Strazdins
patent: 3976824 (1976-08-01), Ariyoshi et al.
patent: 4021484 (1977-05-01), Toda et al.

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