Method of treating cellulose pulp

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United States of America Patent

PATENT NO 10858781
APP PUB NO 20180347112A1
SERIAL NO

15571181

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Abstract

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Disclosed is a method of treating cellulose pulp for use in regeneration of cellulose including the steps of: i) preparing an alkaline metal hydroxide solution having a concentration of 4-10% by weight; ii) adding cellulose pulp to form a slurry; iii) heating the slurry to a temperature of 40-100° C.; and iv) dissolving the treated cellulose pulp in an alkaline solution having a temperature within the range of −10° C. to 12° C.; wherein the percentage by weight is based on the total weight of the slurry.

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Patent Owner(s)

  • SÖDRA SKOGSÄGARNA EKONOMISK FÖRENING

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friman, Linda Kållered, SE 1 0
Löfgren, Caroline Kullavik, SE 1 0
Svedberg, Linda Tvååker, SE 1 0

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