Polysaccharide derivatives and cross-metathesis processes for preparing them
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United States of America Patent
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Dec 1, 2020
Grant Date -
Dec 29, 2016
app pub date -
Mar 16, 2015
filing date -
Mar 14, 2014
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Abstract
Methods for the cross-metathesis of polysaccharides with one or more olefin-terminated side chains and cross-metathesized products are described. In an exemplary embodiment, a method for the synthesis of cellulose ω-carboxyesters via olefin cross-metathesis with acrylates is described. Conditions of the reactions were relatively mild and the olefin-substituted polysaccharides and the appropriate acrylate partners appear to follow Grubbs rules as summarized herein. Additionally, a method of hydrogenation of the cross-metathesized product is described. The compounds and methods may be useful for waterborne coating applications, adhesives, lubricants, or any product in need of dispersion in an aqueous media.
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