C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 215/40 (2006.01) C07C 309/04 (2006.01) C07C 309/30 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/36 (2006.01) C08G 18/38 (2006.01) D21H 17/57 (2006.01)
Patent
CA 2255844
The invention relates to cationic polyurethanes and aqueous dispersions of cationic polyurethanes, their preparation and use as sizing agents in the making of paper. The invention further relates to hydroxy-functional quaternary ammonium compounds and compositions thereof, their preparation and use in the production of cationic polyurethanes.
L'invention concerne des polyuréthanes cationiques et des dispersions aqueuses de polyuréthanes cationiques, leur préparation et leur utilisation comme agents de collage dans la fabrication du papier. L'invention concerne également des composés d'ammonium quaternaire hydroxy-fonctionnels et des compositions de ceux-ci, leur préparation et leur utilisation dans la production de polyuréthanes cationiques.
Gorzynski Marek A.
Macherey Heribert J.
Eka Chemicals Ab
Swabey Ogilvy Renault
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