Bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide, production methods, and use of said compound

US10239827B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Wilhelm Laufer · Ellerstadt, DE
• Martina Schoenhaber · Darmstadt, DE
• Armin Eckert · Philippsburg, DE
• Oliver Herd · Wuppertal, DE
• Rolf Sperber · Wissen, DE

Key dates

• Filing date: Jun 3, 2015
• Grant date: Mar 26, 2019
• Expiry date: Jul 3, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L75/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to novel processes for producing bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide, to the thus-produced bis[3-isopropenyl-α,α-dimethylbenzyl]carbodiimide and to the use thereof as a hydrolysis inhibitor in polyurethane (PU)-based systems, preferably thermoplastic TPU, PU adhesives, PU casting resins, PU elastomers or PU foams.