Paper coating composition

Details Paper coating composition Paper coating composition

D - Textiles, Paper

21

H

D21H 19/62 (2006.01)

Patent

CA 2431363

The invention relates to an aqueous paper coating composition. Such a composition, applied to paper, is suitable in particular for printing of the paper. The paper coating composition contains between 0.01 and 100 wt. % of a highly branched polyester amide. The invention also relates to a process for the preparation of a composition according to the invention that also contains SMA in which an aqueous solution of SMA and a highly branched polyester amide is heated to at least 50~C. The invention further relates to paper coated with a composition according to the invention.

L'invention porte sur un composition aqueuse de couchage de papier, en particulier de papier d'imprimerie, contenant entre 0,01 et 100 % en poids d'un amide de polyester fortement ramifié, sur le procédé de préparation de ladite composition contenant également du SMA selon lequel la solution aqueuse de SMA et d'amide de polyester est chauffée au moins à 50 ·C, et sur du papier revêtu de ladite composition.

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