Preparation of (meth) acrylic esters

US5821383A · kind A · utility

Assignee

• BASF SE

Inventors

• Lukas Haussling · Bad Dürkheim, DE
• Ludwig Bernhard · Heppenheim, DE
• Wolfgang Reich · Frankenthal (Pfalz), DE
• Reinhold Schwalm · Monsheim, DE
• Erich Beck · Ladenburg, DE

Key dates

• Filing date: Nov 13, 1996
• Grant date: Oct 13, 1998
• Expiry date: Nov 13, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2312/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing (meth)acrylic esters by esterifying (meth)acrylic acid with monohydric or polyhydric alcohols comprises adding to the reaction mixture still comprising (meth)acrylic acid corresponding to an acid number of at least 5 mg of KOH per 1 g of reaction mixture at least one amino compound having at least one primary, secondary or tertiary amino group.