Method for imparting strength to paper

Details Method for imparting strength to paper Method for imparting strength to paper

1996-04-18

1998-07-21

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

1621643, 1621646, 1621683, 162183, D21H 2120

Patent

active

057830410

ABSTRACT:
A method for imparting dry strength to paper by adding to a pulp slurry during a paper-making process a mixed resin solution containing (i) an aminopolyamide-epichlorohydrin resin and (ii) a glyoxylated acrylamide-dimethyl diallyl ammonium chloride resin, in combination with (iii) a high charge density cationic polymer.

REFERENCES:
patent: 3509021 (1970-04-01), Woodward
patent: 5350796 (1994-09-01), Devore et al.
patent: 5427652 (1995-06-01), Darlington et al.

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