Wet strength resin

Details Wet strength resin Wet strength resin

1974-04-29

1976-03-30

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292EP, C08G 6526

Patent

active

039473830

ABSTRACT:
Water-soluble thermosetting cationic resins having improved properties are prepared by a process wherein a small excess of epichlorohydrin is reacted with an aqueous solution of ammonia to form an intermediate resin solution, this resin solution is reacted with sufficient strong base to neutralize the ionic chloride present, then additional epichlorohydrin is reacted with the neutralized resin solution. The final resin product is useful as an additive to enhance the wet strength of paper.

REFERENCES:
patent: 2573957 (1951-11-01), Daniel et al.
patent: 3174928 (1965-03-01), Kekish
patent: 3441609 (1969-04-01), McKelvey et al.
patent: 3655506 (1972-04-01), Baggett

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