Paper auxiliary from condensation product of aliphatic polyol-et

Details Paper auxiliary from condensation product of aliphatic polyol-et Paper auxiliary from condensation product of aliphatic polyol-et

1985-03-29

1987-06-16

Anderson, Harold D.

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

Synthetic resins

From halogenated hydrocarbon reactant

524612, 528324, 528332, 528335, 528342, 528391, 528392, 528405, 528421, 528422, C08G 6100, D21H 358

Patent

active

046737294

ABSTRACT:
The present invention relates to agents for increasing the retention of fibres, fillers and pigments and for accelerating drainage in papermaking, and as flocculating agents in the working up of effluents from papermaking by filtration, sedimentation and flotation. They are characterized in that they contain, as active components, one or more nitrogen-containing condensation products which can be obtained by reacting (A) aliphatic polyol-ether-amines which are free from halogen groups, contain cohesive polyether segments and carry no amino groups within these segments, with (B) compounds which are polyfunctional towards amino groups, optionally in the presence of (C) polyaminopolyamides and/or (D) polyalkylenepolyamines, component (B) being employed in an amount such that water-soluble polycondensates which have a viscosity of 100 to 1,000 mPa.s at 25.degree. C. in 25% strength aqueous solution are formed.

REFERENCES:
patent: 3251882 (1966-05-01), Kirkpatrick et al.
patent: 3347803 (1967-10-01), Frotscher et al.
patent: 4066494 (1978-01-01), Scharf et al.
patent: 4267059 (1981-05-01), Behn et al.
patent: 4281199 (1981-07-01), Langdon
patent: 4328142 (1982-05-01), Hertel et al.
patent: 4450045 (1984-05-01), Hertel et al.

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