METHOD FOR PURIFYING METHACRYLIC ACID

Provided is a crystallization method by which a highly-pure methacrylic acid crystal can be produced with high productivity. The method for purifying methacrylic acid according to the present disclosure involves using crude methacrylic acid having a maleic acid concentration of 2000 ppm by mass or l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SONOBE, HIDEYUKI, KATO, SHINPEI, HOSHINO, MANABU, HINO, TOMOMICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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