Retention and drainage aid

Details Retention and drainage aid Retention and drainage aid

1983-03-18

1985-04-23

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...

5253331, 5253332, 525379, C08F 832

Patent

active

045131228

ABSTRACT:
The present invention is directed to cross-linked, cationic polymers having a mixture of secondary and/or tertiary alkylene amine groups and alkylene quaternary ammonium groups pendant from a substantially completely saturated hydrocarbon polymer chain and to the use of said polymers as retention and drainage aids in paper making processes.

REFERENCES:
patent: 4233417 (1980-11-01), Van Eenam
patent: 4312965 (1982-01-01), Jachimowicz et al.

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