Method for producing long chain cellulose ester, long chain cellulose ester and its use
AssigneeKemira Oyj
InventorsRiina TAKAMAA, Viktor KUKKONEN
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Abstract
A method for producing long chain cellulose esters by a mechanochemical synthesis. The method comprises esterification of cellulose by mixing and subjecting to mechanical forces at least cellulose, a fatty acid and/or a fatty acid derivative comprising a chain length of at least C6, an alkali salt, and a neutral or alkaline drying agent, wherein the long chain cellulose esters are obtained, which cellulose esters comprise a fatty acid having chain length of at least C6. In a method, esterification of cellulose is performed without using any organic solvents.
Claims19
A method for producing long chain cellulose esters, wherein the method is a mechanochemical synthesis, which method comprises esterification of cellulose by mixing and subjecting to mechanical forces at least
- cellulose,
- a fatty acid and/or a fatty acid derivative comprising a chain length of at least C6,
- an alkali salt, and
- a neutral or alkaline drying agent,
- wherein the long chain cellulose esters are obtained, which cellulose esters comprise a fatty acid having chain length of at least C6, and which esterification of cellulose is performed without using any organic solvents.
Dependencies are inferred from the claim text.