C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 26/02 (2006.01) C08F 290/14 (2006.01) D21H 17/34 (2006.01)
Patent
CA 2626572
The invention relates to aqueous dispersions of water-soluble polymers of N- vinylcarboxamides which are substantially salt-free and contain anionic polymeric stabilizers having a comblike molecular structure, to processes for preparing the dispersions in the presence of anionic polymeric stabilizers having a comblike molecular structure, and to the use of the dispersions as retention aids or fixing aids in papermaking.
L~invention concerne des dispersions aqueuses de polymères hydrosolubles de N-vinylcarboxamides, lesdites dispersions étant essentiellement exemptes de sels et comprenant des stabilisants polymériques anioniques ayant une structure moléculaire de type peigne, un procédé de fabrication desdites dispersions en présence de stabilisants polymériques anioniques ayant une structure moléculaire de type peigne et l~utilisation desdites dispersions en tant qu'agent de fixation ou de rétention lors de la fabrication du papier.
Becker Stefan
Braig Volker
Feuerhake Robert
Gauweiler Werner
Leduc Marc
Basf Se
Robic
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