Liquid, adhesion-promoting additive and process for its preparation

US9221945B2 · kind B2 · utility

Assignee

• Evonik Industries AG · DE

Inventors

• Heiko Alzer · Mülheim an der Ruhr, DE
• Ingrid Heussen · Recklinghausen, DE
• Sascha Herrwerth · Essen, DE
• Thomas Veit · Munster, DE
• Michael Ewald · Marl, DE
• Erika Retzlaff · Marl, DE
• Tanja Joerres
• Annika Siebers · Kempen, DE

Key dates

• Filing date: Sep 24, 2014
• Grant date: Dec 29, 2015
• Expiry date: Sep 24, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J167/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polyester resin, comprising a polyester which comprises as esterified polymer units: at least one of an unsaturated dicarboxylic acid and an unsaturated polycarboxylic acid; and at least one of an alkoxylated diol and an alkoxylated polyol is provided. An adhesion-promoting additive comprising the polyester resin is also provided.