Tackifier for rubber compositions

US11248118B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Felix Alexander Westerhaus · Mannheim, DE
• Frank Reuter · Ludwigshafen, DE
• Dieter Rodewald · Bad Essen, DE
• Olivier Fleischel · Eckbolsheim, FR
• Stephan Schlitter · Schifferstadt, DE
• Martin Voelkert · Ludwigshafen, DE
• Fritz Nimtz · Ludwigshafen, DE
• Ulrich Abel · Schifferstadt, DE
• Guenter Scherr · Ludwigshafen, DE

Key dates

• Filing date: Nov 30, 2017
• Grant date: Feb 15, 2022
• Expiry date: Oct 26, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A tackifier comprising a resin with repeating units of formula (I) wherein R1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R2 is a linear or branched, saturated or unsaturated aliphatic hydrocarbon group with up to 20 carbon atoms and a non-aromatic compound which consists to at least 50% by weight of one or more linear or branched, saturated or unsaturated aliphatic hydrocarbon groups with at least 4 carbon atoms.