C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 226/02 (2006.01) C08F 226/04 (2006.01) D21H 17/45 (2006.01) D21H 23/76 (2006.01) D21H 21/16 (2006.01)
Patent
CA 2455980
Amphoteric promoter resin that is polymerization reaction product of a quaternary diallylammonium monomer, a diallylammonium monomer, and an unsaturated organic acid as well as compositions containing the amphoteric promoter resin and a sizing agent. The method of sizing paper with such amphoteric promoter resin compound and a sizing agent provides sized paper with significantly improved sizing property characteristics, and the sized paper exhibits superior retention of brightness due to added optical brighteners
L'invention se rapporte à une résine de promoteur amphotère qui est un produit de réaction de polymérisation d'un monomère de diallylammonium quaternaire, d'un monomère de diallylammonium, et d'un acide organique insaturé, ainsi qu'à des compositions contenant la résine de promoteur amphotère et un agent de collage. L'invention concerne aussi un procédé de collage de papier au moyen de ce composé en résine de promoteur amphotère et d'un agent de collage, permettant d'obtenir un papier collé présentant des propriétés de collage nettement supérieures, le papier collé possédant une meilleure conservation de la brillance en raison de l'ajout d'azurants optiques.
Hercules Incorporated
Moffat & Co.
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