D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 15/02 (2006.01) D21H 21/24 (2006.01) D21H 27/38 (2006.01) D21H 11/02 (2006.01) D21H 11/04 (2006.01) D21H 17/06 (2006.01) D21H 17/07 (2006.01) D21H 17/59 (2006.01)
Patent
CA 2248344
Tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and napkins are provided. The composite average coarseness of the tissue papers is between about 11 mg/100 m and about 18 mg/100 m. The tissue papers comprise closed cell wall, chemically softened cellulose fibers further comprising coarse cellulose fibers such as those derived from CTMP or recycled sources. The cellulose fibers have enhanced lubricity such that they possess a depressed coefficient of friction (DCOF, in percentage points) related to the composite average coarseness, C, in mg/100 m, by the equation: DCOF > 4.27* C - 44.23.
L'invention porte sur des bandes de papier de soie utile à la fabrication d'articles d'hygiène doux et absorbants tels que du papier soie hygiénique, du papier pour serviette de visage à démaquiller, ou du papier pour serviettes. La grossièreté moyenne du composite est comprise entre environ 11 mg/100 m et environ 18 mg/100 m. Le papier de soie est fait de fibres de cellulose à parois cellulaires fermées adoucies chimiquement comprenant également des fibres grossières de cellulose provenant de PCTM ou du recyclage. Les fibres de cellulose ont un pouvoir lubrifiant amélioré qui leur confère un coefficient de frottement réduit (DCOF en points de pourcentage) lié à la grossièreté composite moyenne C, en mg/100 m, par l'équation: DCOF > 4,27*C - 44,23.
Deason Howard Thomas
Vinson Kenneth Douglas
Sim & Mcburney
The Procter & Gamble Company
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