Process for preparing (meth)acrylic esters

US9150673B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Virginie Bette · Mannheim, DE
• Matthias Dust · Ludwigshafen, DE
• Jochen Petzoldt · Mannheim, DE
• Uwe Meisenburg · Duisburg, DE
• Andrea Misske · Speyer, DE
• Hermann Bergmann · Mannheim, DE

Key dates

• Filing date: Jul 6, 2012
• Grant date: Oct 6, 2015
• Expiry date: Jul 12, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/32
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for preparing (meth)acrylic esters by esterifying (meth)acrylic acid or transesterifying at least one (meth)acrylic ester with at least one compound comprising at least one OH group in the presence of a heterogeneous catalyst comprising at least one inorganic salt, wherein the esterification or transesterification is performed in the presence of 300 to 3000 ppm of water based on the total weight of the reaction mixture.