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PRODUCING METHOD OF AN ASPARTIC ACID ALKYL ASPARTIC ACID COPOLYMER USING MALEIC ANHYDRIDE AND ALKYL MALEIC ANHYDRIDE
PRODUCING METHOD OF AN ASPARTIC ACID ALKYL ASPARTIC ACID COPOLYMER USING MALEIC ANHYDRIDE AND ALKYL MALEIC ANHYDRIDE
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机译:用马来酸酐和烷基马来酸酐生产天冬氨酸烷基铝天冬氨酸共聚物的方法
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摘要
PURPOSE: A producing method of an aspartic acid alkyl aspartic acid copolymer is provided to decrease the polymerization temperature by performing a condensation reaction under the presence of a polar solvent without active hydrogen.;CONSTITUTION: A producing method of an aspartic acid alkyl aspartic acid copolymer comprises the following steps: forming ammonium salt by adding ammonia gas or an ammonia solution to a maleic anhydride and anhydrous alkyl maleic acid mixture; producing a succinimide-alkyl succinimide copolymer by adding a polar solvent without active hydrogen to the mixture, and heating; and cooling the copolymer before neutralizing.;COPYRIGHT KIPO 2010
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