Paper and paper articles and method for making same

Details Paper and paper articles and method for making same Paper and paper articles and method for making same

D - Textiles, Paper

21

H

D21H 21/54 (2006.01)

Patent

CA 2525483

This invention relates to a paper material containing cellulosic fibers and from about 0.1 to about 6.0 wt % by weight dry basis expandable microspheres and a density of at least about 6.0 lb/3000ft2/mil and articles formed there from such as file folders.

L'invention se rapporte à un matériau à base de papier contenant des fibres cellulosiques et environ 0,1 à environ 6,0 % en poids (pourcentage de la matière sèche) de microsphères expansibles, et présentant une densité d'au moins environ 6,0 livres/3000 pieds carrés/millième de pouce, ainsi qu'à des articles obtenus à partir de ce matériau, tels que des chemises de classement.

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