Method of producing low density resilient webs

Details Method of producing low density resilient webs Method of producing low density resilient webs

D - Textiles, Paper

21

F

D21F 11/14 (2006.01)

Patent

CA 2307677

The present invention is directed to a method for making an uncreped tissue on a modified conventional wet-pressing machine. High-speed production of such a web with excellent runability is achieved through an adhesion control system that is adapted to restrain the sheet on the Yankee drier during drying while still permitting removal after the sheet has been dried. The present invention is directed to a method for producing an uncreped tissue web comprising a) depositing an aqueous suspension of paper making fibers onto a forming fabric deform an embryonic web; b) dewatering the web to a consistency of about 30% or greater; c) texturing the web against a three dimensional substrate; d) transferring the web to a surface of a cylindrical drier; e) applying an interfacial control mixture comprising adhesion compounds and release agents, the interfacial control mixture adapted to adhere the web to the dryer surface without fluttering and permit web detachment without significant web damage; f) drying the web on the cylindrical drier; and g) detaching the web from the dryer surface without creping.

L'invention se rapporte à un procédé d'utilisation d'une machine classique de fabrication de papier crêpé et pressé à l'état humide pour produire une feuille de papier ménager texturé que l'on sèche sur un séchoir à tambour cylindrique classique de façon à créer un produit non crêpé présentant les caractéristiques des papiers séchés sur sécheurs à air traversant. Des modifications apportées à la machine et un équilibre correct des composés adhésifs et des agents de démoulage permettent de sécher une feuille texturée sur un sécheur Yankee puis de la retirer sans utiliser de lame pour papier crêpé.

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