ASPARTIC ACID COMPOSITION, POLYSUCCINIMIDE COMPOSITION, POLYASPARTIC ACID COMPOSITION, AND CROSS-LINKED POLYASPARTIC ACID COMPOSITION

Provided is an aspartic acid composition containing aspartic acid and an impurity, the impurity containing at least one selected from the group consisting of an amino acid other than aspartic acid, an organic acid, and salts of the amino acid other than aspartic acid and the organic acid, a content...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAYASHIKI, Toru, ARAI, Tatsuhiko, OKA, Yasutaka, MIURA, Satomi, KONDO, Akihiro, SASAMOTO, Akane
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is an aspartic acid composition containing aspartic acid and an impurity, the impurity containing at least one selected from the group consisting of an amino acid other than aspartic acid, an organic acid, and salts of the amino acid other than aspartic acid and the organic acid, a content of the impurity being 0.02% by mass or more and 1.1% by mass or less. Also provided is a method for producing polysuccinimide, the method including performing a polymerization reaction of the aspartic acid using the aspartic acid composition. Also provided is a polysuccinimide composition produced by the method for producing polysuccinimide.