Alkoxylation products and process for preparing them by means of DMC catalysts

US9068044B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Frank Schubert · Neukirchen-Vluyn, DE
• Wilfried Knott · Essen, DE

Key dates

• Filing date: May 18, 2012
• Grant date: Jun 30, 2015
• Expiry date: Jun 7, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/2663
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Novel alkoxylation products containing lateral hydroxyl groups or bearing lateral C—C double bonds and a process for preparing them by means of an alkoxylation reaction of halogenated alkylene oxides using double metal cyanide (DMC) catalysts and subsequent elimination of chlorine.