Process for repulping wet-strength paper

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste

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162 78, 162 79, D21C 502

Patent

active

054476020

ABSTRACT:
A process for repulping wet-strength paper containing at least one wet-strength resin in which a hydroperoxide alone or in combination with a non-alkali, non-alkaline earth metal salt or chelate is used to separate the resin from the wet-strength paper.

REFERENCES:
patent: 3645840 (1972-02-01), Lincoln et al.
patent: 3709778 (1973-01-01), Lincoln et al.
patent: 4454005 (1984-06-01), Stofko et al.
patent: 4617090 (1986-10-01), Chum et al.
patent: 5246543 (1993-09-01), Meier et al.
Rydholm Pulping Processes, 1965 pp. 886 893 894.

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