Cellulosic products containing improved percentage of...

Details Cellulosic products containing improved percentage of... Cellulosic products containing improved percentage of...

D - Textiles, Paper

21

H

D21H 17/64 (2006.01) D21H 17/70 (2006.01) D21H 27/38 (2006.01)

Patent

CA 2463978

Cellulosic products comprising cellulosic fibers and precipitated calcium carbonate prepared in-situ during papermaking are described. The precipitated calcium carbonate is deposited on the cellulosic fibers and is present in a variety of sizes, shapes and morphologies, and is present in the cellulosic products on all physical features of the cellulosic fibers. At least a portion of the precipitated calcium carbonate is present with the fiber based on interaction with one or more chemicals used in papermaking.

L'invention concerne des produits cellulosiques renfermant des fibres cellulosiques et du carbonate de calcium précipité, élaboré in situ durant la fabrication du papier. Ce carbonate de calcium précipité, déposé sur les fibres cellulosiques, se présente selon un éventail de tailles, formes et morphologies, et apparaît dans les produits cellulosiques sous tous les aspects physiques des fibres cellulosiques. Au moins une partie du carbonate de calcium précipité apparaît sur les fibres selon son interaction avec une ou plusieurs substances chimiques utilisées pour la fabrication du papier.

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