D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/22 (2006.01) D21C 9/00 (2006.01) D21H 17/06 (2006.01) D21H 17/14 (2006.01)
Patent
CA 2236333
Wood pulp sheets treated with triacetin and other compounds, or solutions or emulsions of same, having increased softness while maintaining absorbency, and methods for producing same. More particularly, the invention relates to the treatment of wood pulp useful for making a fluff pulp using a softening agent including alkyl ethers, aryl ethers and formic, ethanoic and propanoic esters of low molecular weight glycols, such as triacetin, propylene glycol diacetate and 2-phenoxyethanol.
L'invention concerne des feuilles de pâte de bois traitées par la triacétine et d'autres composés ou des solutions ou des émulsions de ces derniers. Ces feuilles présentent une plus grande souplesse tout en conservant leurs propriétés d'absorption. L'invention a aussi pour objet des procédés de production de ces feuilles. Plus particulièrement, l'invention traite du traitement de la pâte à papier permettant de fabriquer une pâte en flocons à l'aide d'un agent amolissant comprenant des éthers d'alkyle, des éthers d'aryle et des esters formique, éthanoïque et propanoïque de glycoles de faible poids moléculaire, tels que la triacétine, le propylène glycole diacétate et le 2-phénoxyéthanol.
Abitz Peter R.
Sears Karl D.
Borden Ladner Gervais Llp
Rayonier Inc.
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