Process for the thermal dimerization of butadiene

US4396787A · kind A · utility

Assignee

• Deutsche Texaco Aktiengesellschaft · DE

Inventors

• Karl-Heinz Gluzek · Alpen, DE
• Olaf Petersen · Hannover, DE
• Wilhelm Neier · Rheinberg, DE
• Gunter Strehlke · Moers, DE
• Karl-Heinz Heinemann

Key dates

• Filing date: Nov 23, 1981
• Grant date: Aug 2, 1983
• Expiry date: Nov 23, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Formation of undesirable popcorn polymer on the walls of a reaction vessel during thermal dimerization of butadiene is prevented by coating the walls with a falling film of aqueous sodium nitrite solution.