D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 11/20 (2006.01) B01D 39/18 (2006.01) B01D 46/10 (2006.01) D21C 9/00 (2006.01) D21H 17/51 (2006.01) D21H 17/52 (2006.01) F02M 35/024 (2006.01) D21H 11/16 (2006.01) D21H 17/55 (2006.01) D21H 17/57 (2006.01)
Patent
CA 2305194
This invention relates to the process of manufacture of resin treated mercerized cellulose fibers and fibrous products prepared therefrom and is directed particularly to a method of improving permeability and bulking properties and reducing water retention value (WRV) of a conventional high permeability bulk pulp. The invention also includes the improved cellulose fibers, cellulosic sheet materials containing said fibers, and products therefrom (such as automotive oil and air filters).
L'invention concerne un procédé de fabrication de fibres de cellulose mercerisées traitées à la résine et de produits fibreux préparés avec ces dernières. Elle concerne en particulier un procédé permettant d'améliorer la perméabilité et les propriétés de gonflant et de réduire la valeur de rétention d'eau de la pulpe en vrac conventionnelle à haute perméabilité. L'invention concerne en outre des fibres de cellulose améliorées, des matériaux de feuille de cellulose contenant ces fibres et des produits obtenus avec ces fibres et feuilles (p. ex. des filtres à huile et à air d'automobiles).
Bell Whitten R.
Crenshaw Susan L. H.
Grimes Ellen A.
Phillips Arthur F.
Buckeye Technologies Inc.
Goudreau Gage Dubuc
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