Water soluble linear polyethyleneimine derivative from water-ins

Details Water soluble linear polyethyleneimine derivative from water-ins Water soluble linear polyethyleneimine derivative from water-ins

1984-06-15

1986-09-30

Anderson, Harold D.

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

Synthetic resins

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

525 56, 525414, 525417, 525540, C08F 800

Patent

active

046147624

ABSTRACT:
The present invention is directed to a high molecular weight, water soluble polymer product of polyethyleneimine, said product is formed by reacting a linear polyethylenimine with formaldehyde and a polyvinyl alcohol. The resultant product is useful as an improved drainage and retention aid in papermaking processes.

REFERENCES:
patent: 3348997 (1967-10-01), Lagally et al.
patent: 3597313 (1971-08-01), Williams et al.
Encyclopedia of Polymer Science and Engineering, vol. I, (1985), pp. 687 to 696.

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