Quaternized Carboxymethyl Chitosan Derivatives and Preparation Method Thereof
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Jul 24, 2006
filing date -
Sep 2, 2005
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Abandoned
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Abstract
The invention relates to a novel kind of chitosan derivative, specifically to quaternized carboxymethyl chitosand derivatives and preparation method. Chitosan with different molecular weight reacts with chloroactic acid give rise to carboxymethyl chitosan. After reaction of Schiff based, deoxidized and quaternized, quaternized carboxymethyl chitosan is obtained. This kind of chitosan derivative have better water-solubility and better antifungal activity, which can used in the fields of medicine and agriculture.
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