Processes for preparing aminosilane functionalized polymers

US9676874B2 · kind B2 · utility

Assignee

• BRIDGESTONE CORPORATION · JP

Inventors

• David F. Lawson · Uniontown, US
• Terrence E. Hogan · Uniontown, US
• Christine Rademacher · Akron, US
• David M. Roggeman · North Royalton, US
• Fuminori Ota · Tokyo, JP

Key dates

• Filing date: Feb 3, 2016
• Grant date: Jun 13, 2017
• Expiry date: Feb 3, 2036

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/86
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.