MANUFACTURING METHOD OF WATER REPELLENT STARCH

PURPOSE: A manufacturing method of a water-repellent starch is provided to have a simple manufacturing process, prevent the loss of a reaction product, and prevent the generation of waste water. CONSTITUTION: A manufacturing method of a water-repellent starch comprises a step of adding a polyfunctio...

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Hauptverfasser:	YANG, DA HAE, JEON, YOUNG SEONG, PARK, GI TAEK, CHO, YOUNG MO, KWON, OH YUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE: A manufacturing method of a water-repellent starch is provided to have a simple manufacturing process, prevent the loss of a reaction product, and prevent the generation of waste water. CONSTITUTION: A manufacturing method of a water-repellent starch comprises a step of adding a polyfunctional metal hydroxide powder, and uniformly mix the mixture to form a first mixture; a step of adding one or more anhydride organic acids selected from the compounds represented by chemical formula 2-5 into the first mixture, and uniformly mixing the mixture to form a second mixture; and a step of deriving an esterification of starch in the second mixture, and an anhydride inorganic acid, and a crosslinking reaction between the esterified starch and the polyfunctional metal hydroxide.