Derivatized malto-oligosaccharides, methods for trash...

Details Derivatized malto-oligosaccharides, methods for trash... Derivatized malto-oligosaccharides, methods for trash...

D - Textiles, Paper

21

H

D21H 17/29 (2006.01) C07H 3/06 (2006.01) C08B 31/00 (2006.01) C08B 31/12 (2006.01) C08B 37/00 (2006.01)

Patent

CA 2345924

Disclosed is a method for derivatizing a malto-oligosaccharide. The method includes the steps of providing the malto-oligosaccharide and derivatizing the malto-oligosaccharide in an aqueous medium with a cationic agent to form a derivatized malto-oligosaccharides. Malto-oligosaccharides having a high DS sufficient to render the derivatized product suitable for use as a trash scavenger are attainable in accordance with the present inventive method. Also disclosed are a method for trash scavenging, a process for preparing a paper web, in which anionic trash is scavenged prior to withdrawing a paper web from a pulp furnish; and a paper web prepared in accordance with the present inventive process.

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