Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1982-06-04
1984-08-14
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621683, D21H 338
Patent
active
044655550
ABSTRACT:
Water-soluble homopolymers and copolymers of di-C.sub.1 -C.sub.3 -alkylaminoneopentyl (meth)acrylates, the homopolymers and copolymers having a K value of from 150 to 300, are used as retention agents, drainage agents and flocculants in papermaking. Increased retention, drainage rate and flocculation are achieved in comparison with the conventional basic polyacrylates.
REFERENCES:
patent: 3239496 (1966-03-01), Jurish
patent: 3776892 (1973-12-01), Bleyle
Hartmann Heinrich
Hartmann Juergen
Jung Dietmar
Linhart Friedrich
Spoor Herbert
BASF - Aktiengesellschaft
Chin Peter
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