Inorganic/lignin type polymer composite nanoparticles, preparation method therefor and application thereof
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United States of America Patent
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Jul 4, 2017
Grant Date -
Oct 27, 2016
app pub date -
Nov 28, 2014
filing date -
Dec 16, 2013
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Abstract
The preparation method includes: adding an activating agent into a basic alkaline lignin solution first, then adding a carboxylating agent and reacting to obtain a carboxylated alkaline lignin; dissolving a phosphorylating agent into water, adding epichlorohydrin, and reacting to obtain a hydroxyl phosphate type compound; mixing the carboxylated alkaline lignin and the hydroxyl phosphate type compound and reacting to obtain a lignin type polymer; adding an inorganic nanoparticle suspension into the lignin type polymer and adding an acid for codeposition to obtain the product after aging and drying.
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