C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 3/06 (2006.01) C08B 1/02 (2006.01) C08B 11/08 (2006.01) C08B 13/00 (2006.01)
Patent
CA 2459266
Disclosed is a process for producing reactive cellulose for use in the manufacture of cellulose acetate having superior clarity by mercerizing hardwood cellulosic material and reacting it with an hydroxyalkylating agent to a degree of molar substitution ranging from 0.04 to 0.15 per anhydroglucose unit in cellulose.
La présente invention concerne un procédé destiné à la production de cellulose réactive utilisée dans la fabrication de l'acétate de cellulose présentant une pureté supérieure par la mercerisation de matériau cellulosique de feuillu que l'on fait réagir avec un agent d'hydroalkylation jusqu'à un degré de substitution molaire compris entre 0,04 et 0,15 par unité d'anhydroglucose dans la cellulose.
Hendricks Wendy
Sears Karl D.
Borden Ladner Gervais Llp
Rayonier Products And Financial Services Company
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