Fabric-crepe process with prolonged production cycle and...

D - Textiles – Paper – 21 – F

Patent

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D21F 11/00 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2678879

A method of manufacturing absorbent sheet is directed to a wet-press/fabric-crepe process wherein add-on of adhesive to the Yankee surface is at relatively low levels, yet sheet transfer is maintained and production increased. Materials are selected and process parameters are controlled such that a paper machine can be operated for at least 4 hours before the Yankee coating needs to be stripped. Preferably, average increase in Yankee hood temperature is less than 1°F/minute (0.55°C/minute) during a production interval.

L'invention concerne un procédé de fabrication d'une feuille absorbante qui concerne un procédé de crêpage de tissu/pressage à l'état humide dans lequel l'ajout d'adhésif à la surface de machine à papier avec gros cylindre frictionneur se fait à des niveaux relativement bas, bien que le transfert de feuille soit maintenu et la production accrue. Des matériaux sont choisis et des paramètres de procédés sont contrôlés de sorte qu'une machine à papier peut fonctionner pendant au moins 4 heures avant qu'il soit nécessaire d'enlever le revêtement de machine à papier avec gros cylindre frictionneur. De préférence, l'augmentation moyenne de la température de hotte de machine à papier avec gros cylindre frictionneur est inférieure à 0,55°C/minute (1°F/minute) pendant un intervalle de production.

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