Silane-containing carboxy-terminated polymers

US9920149B2 · kind B2 · utility

Assignee

• Arlanxeo Deutschland GmbH · DE

Inventors

• Norbert Steinhauser · Monheim, DE
• Thomas Gross · Wermelskirchen, DE

Key dates

• Filing date: Apr 11, 2014
• Grant date: Mar 20, 2018
• Expiry date: Jun 1, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L25/10
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polymers are functionalized at chain ends thereof with silane-containing carboxyl groups of the formula (I)where R1 and R2 are the same or different and are each an H, alkyl, alkoxy, cycloalkyl, cycloalkoxy, aryl, aryloxy, alkaryl, alkaryloxy, aralkyl or aralkoxy radical; R3 and R4 are the same or different and are each an H, alkyl, cycloalkyl, aryl, alkaryl or aralkyl radical; and A is a divalent organic radical.