Method of making an aqueous solution of cellulose

C - Chemistry – Metallurgy – 08 – L

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C08L 1/02 (2006.01) C08B 1/00 (2006.01) C08J 3/09 (2006.01) D01F 2/00 (2006.01)

Patent

CA 2040844

ABSTRACT OF THE DISCLOSURE A system of cellulose in N-methylmorpholine-N-oxide and water is subjected to mixing at shear rates of 400 to 3000 sec-1, preferably 500 to 800 sec-1 and the following conditions are maintained (cCell representing the mass proporion of cellulose and cH2O representing the mass proportion of water): Image and cCell ? 0.58 - 2.23 cH2O. (IV). ef- - 18 -

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