Sizing composition

Details Sizing composition Sizing composition

D - Textiles, Paper

21

H

D21H 21/16 (2006.01) D21H 17/16 (2006.01) D21H 17/17 (2006.01) D21H 17/43 (2006.01) D21H 17/72 (2000.01)

Patent

CA 2394557

The present invention relates to a substantially water-free sizing composition, an aqueous sizing dispersion, the use for sizing or surface sizing paper and board and a process for the production of paper and board. The substantially water-free sizing composition comprises a cellulose reactive sizing agent and an esterified copolymer which is obtainable from a mixture comprising aliphatic olefins and derivatives of unsaturated carboxylic acids. More specifically, the composition comprises an esterified copolymer obtainable form a mixture comprising .alpha.-olefins and derivatives of .alpha., .beta.-unsaturated dicarboxylic acids.

La présente invention concerne une composition de collage sensiblement exempte d'eau, une dispersion de collage aqueuse, leur utilisation pour le collage ou le collage en surface de papier et de carton, ainsi qu'un procédé de production de papier et de carton. Cette composition de collage sensiblement exempte d'eau contient un agent de collage réactif à la cellulose et un copolymère estérifié pouvant être obtenu à partir d'un mélange contenant des oléfines aliphatiques et des dérivés d'acides carboxyliques non saturés. Plus particulièrement, cette composition contient un copolymère estérifié pouvant être obtenu à partir d'un mélange contenant des alpha-oléfines et des dérivés d'acides dicarboxyliques non saturés alpha et bêta.

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