C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/28 (2006.01) C08F 220/54 (2006.01) C08L 33/24 (2006.01) C08L 101/02 (2006.01) D21H 17/37 (2006.01) D21H 17/38 (2006.01) D21H 17/45 (2006.01) D21H 21/10 (2006.01) D21H 21/18 (2006.01) D21H 21/20 (2006.01) C08F 220/56 (2006.01) C08F 226/04 (2006.01) C08L 33/26 (2006.01) C08L 39/00 (2006.01)
Patent
CA 2690863
Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.
L'invention concerne des polymères de polyacrylamide modifié glyoxalate stables au stockage et des compositions aqueuses à teneur en matières solides élevées formulées avec ceux-ci. Ces compositions de polyacrylamide modifié glyoxalate peuvent être utilisées en tant qu'additifs pour la fabrication de papier, ce qui produit du papier ayant une bonne résistance à sec et à l'état humide temporaire et augmente les vitesses d'égouttage dans la fabrication de papier.
Lu Chen
Ward James Drew
Buckman Laboratories International Inc.
Ridout & Maybee Llp
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