Use of a polymer based on basic vinyl heterocycles for...

C - Chemistry – Metallurgy – 09 – D

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C09D 139/00 (2006.01) B41M 5/00 (2006.01) B41M 5/52 (2006.01) D21H 19/62 (2006.01)

Patent

CA 2203175

The use of a polymer of (a) 50 to 99.5 % by weight of at least one basic vinyl heterocycle having a pKa of at least 3.8, (b) 0 to 49.5 % by weight of a further copolymerizable monomer, and (c) 0.5 to 10 % by weight of a crosslinker for coating printable materials, especially for precoating paper which is intended for ink-jet printing.

L'invention consiste à utiliser un polymère comportant a) de 50 à 99,5 % en poids d'au moins un hétérocycle vinylique ayant un pKa d'au moins 3,8, b) de 0 à 49,5 % en poids de monomère copolymérisable et c) de 0,5 à 10 % en poids d'un agent de réticulation pour enduire les matériaux imprimables, particulièrement le papier de prérevêtement utilisé dans l'impression à jet d'encre.

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