Sulfonated poly(arylenes) as hydrolytically and thermo-oxidatively stable polymers

US8349993B2 · kind B2 · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Michael Schuster · Jacksonville, US
• Klaus-Dieter Kreuer · Balingen, DE
• Henrik Thalbitzer Andersen · Copenhagen, DK
• Joachim Maier · Wiernsheim, DE

Key dates

• Filing date: Mar 7, 2006
• Grant date: Jan 8, 2013
• Expiry date: Jul 19, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/50
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Hydrolytically and thermo-oxidatively stable sulfonated polyarylenes include the structural element —X—Ar(SO3M)n-Y—. The aromatic ring carrying the sulfonic acid group is substituted exclusively by electron-acceptor bridge groups X and Y and, if applicable, by other non-electron-donor substituents. Their synthesis and application are also included.