Temporary wet strength resin

Details Temporary wet strength resin Temporary wet strength resin

1984-06-27

1986-08-12

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253282, 5253283, 5253284, C08F 828

Patent

active

046057021

ABSTRACT:
A cationic, water-soluble acrylamide polymer containing an acrylamide, a cationic comonomer and, optionally, a second comonomer and having sufficient glyoxal-reactive amide substituents and --CH.sub.O HCHO substituents to be thermosetting, the polymer, before glyoxylation, having a molecular weight ranging from about 500 to about 6000, a process for imparting temporary wet strength to paper and the paper per se, are disclosed.

REFERENCES:
patent: 3966694 (1976-06-01), Espy et al.
patent: 3992345 (1976-11-01), Dumas
patent: 4051088 (1977-09-01), Reid
patent: 4079043 (1978-03-01), Rave
patent: 4122071 (1978-10-01), Moriya et al.

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