Graft polymers having oligoalkylenimine side chains, process...

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 73/02 (2006.01) C08F 8/30 (2006.01) D21H 17/45 (2006.01) D21H 21/10 (2006.01)

Patent

CA 2707815

The invention relates to graft polymers, the graft foundation thereof being selected from the group of polymers having vinyl amine units, polyamines, polyamidoamines, and polymers of ethylenic unsaturated acids, and which exclusively contain oligoalkylene imine side chains as side chains, methods for the production of graft polymers having oligoalkylene imine side chains, wherein at least one oligoalkylene imine, which contains a terminal aziridine group, is grafted onto one of the cited graft foundations, and use of the graft polymers thus obtained as processing chemicals in the production of paper, as antimicrobial coating agents, as builders in detergents, and for treating metal surfaces.

L'invention concerne des polymères greffés dont la base de greffage est choisie dans le groupe constitué des polymères comportant des unités vinylamines, des polyamines, des polyamidoamines et des polymères d'acides éthyléniquement insaturés, et qui contiennent exclusivement des chaînes latérales oligoalkylène-imine en tant que chaînes latérales. L'invention concerne également un procédé de fabrication de polymères greffés contenant des chaînes latérales oligoalkylène-imine, selon lequel au moins une oligoalkylène-imine, qui contient un groupe aziridine terminal, est greffée sur une des bases de greffage citées. L'invention concerne également l'utilisation des polymères greffés pouvant ainsi être obtenus en tant que produits chimiques de traitement lors de la fabrication de papier, en tant qu'agents de revêtement antimicrobiens, en tant qu'adjuvants dans des agents de nettoyage et pour le traitement de surfaces métalliques.

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