Use of polymers containing vinylamine units as promoters for...

Details Use of polymers containing vinylamine units as promoters for... Use of polymers containing vinylamine units as promoters for...

D - Textiles, Paper

21

H

D21H 17/17 (2006.01) D21H 21/16 (2006.01) D21H 23/04 (2006.01)

Patent

CA 2495372

The invention relates to the use of polymers containing vinylamine units having a K-value (determined in 5 % of an aqueous sodium chloride solution and at a temperature of 25 %, having a pH-value of 7, and a polymer concentration of 0.5 wt.%) of 30 - 150 as promoters for mass glueing of paper with alkyldiketenes.

L'invention concerne l'utilisation de polymères contenant des motifs vinylamine, présentant une valeur K (déterminée dans une solution aqueuse de chlorure de sodium à 5 %, à 25 ·C, présentant un pH de 7 et une concentration en polymère de 0,5 % en poids) comprise entre 30 et 150, comme promoteur pour le collage en pile de papier au moyen d'alkyldicétènes.

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