IMPROVED PROCESS FOR PREPARING METHYL METHACRYLATE AND/OR METHACRYLIC ACID BY REDUCED BACK MIXING DURING CONVERSION

• Main Authors: Wings, Patrick, Klasovsky, Florian, KOCKESEN, Ufuk, Krill, Steffen
• Format: Patent
• Language: English
• Published: 14.12.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

A process for preparing methyl methacrylate (MMA) and/or methacrylic acid (MAS) having improved yield, involves amidation, conversion, and hydrolysis/esterification. Especially high yields are obtained during the amidation and in the subsequent so-called conversion.