Sulfonated polymers useful for forming fuel cell membranes

US9184459B2 · kind B2 · utility

Assignees

• COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR
• CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR
• UNIVERSITE MONTPELLIER 2 SCIENCES ET TECHNIQUES · FR
• Ecole Nationale Supérieure de Chimie de Montpellier · FR

Inventors

• Pierrick Buvat · Saint-Avertin, FR
• Jannick Bigarre · Tours, FR
• Renaud Perrin · Bracknell, GB
• Bruno Ameduri · Montpellier, FR
• Aurelien Soules · Béziers, FR
• Bernard Boutevin · Montpellier, FR

Key dates

• Filing date: Sep 21, 2011
• Grant date: Nov 10, 2015
• Expiry date: Aug 9, 2032

Classification

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

Abstract

The invention relates to a polymer comprising at least one polymeric chain of a first type, the said chain comprising at least two blocks, the same or different, the said blocks comprising repeat units derived from the polymerisation of styrene monomers, the said units comprising at least one phenyl pendant group carrying at least one —SO3R group, R possibly being a hydrogen atom, an alkyl group or cationic counter-ion, the said two blocks being separated by a spacer group, the spacer group is a perfluorocarbon group.