Cationic polymer flocculant

Details Cationic polymer flocculant Cationic polymer flocculant

1981-10-28

1983-01-25

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525496, 528104, 528107, 523420, 524841, C08G 6526

Patent

active

043704646

ABSTRACT:
Novel cationic polymer flocculants are prepared by polycondensation of an epihalohydrin and mixed Mannich reaction products of a monohydric phenol and bisphenol with formaldehyde and dialkylamine. The flocculants are stable in aqueous solutions and show an excellent effect in purification of industrial effluents.

REFERENCES:
patent: 2695887 (1954-11-01), DeGroote
patent: 2839500 (1958-06-01), DeGroote
patent: 2997460 (1961-08-01), DeGroote
patent: 3038881 (1962-06-01), DeGroote
patent: 3975305 (1976-08-01), Tai et al.
patent: 4000116 (1976-12-01), Renner
patent: 4038318 (1977-07-01), Tai
patent: 4155847 (1979-05-01), Tanaka et al.

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