PROCESS FOR PRODUCING MMA AND/OR MAA FROM ACETONE CYANOHYDRIN AND SULFURIC ACID

PROCESS FOR PRODUCING MMA AND/OR MAA FROM ACETONE CYANOHYDRIN AND SULFURIC ACID

A multistage process for the preparation of methacrylic acid and esters thereof via the hydrolysis of ACH, cracking the hydrolysis products, and converting the cracked products to the desired acid or ester, wherein the average temperature in the first hydrolysis reactor is from 55 C to 70 C.

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Bibliographische Detailangaben
Hauptverfasser: LEMONDS, ANDREW M, SATHIOSATHAM, MUHUNTHAN, ZOLOTOROFE, DONALD LEE, NGO, MINH N
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A multistage process for the preparation of methacrylic acid and esters thereof via the hydrolysis of ACH, cracking the hydrolysis products, and converting the cracked products to the desired acid or ester, wherein the average temperature in the first hydrolysis reactor is from 55 C to 70 C.