Fuma-tech Gesellschaft Fur Funktionelle Membranen Und Anlagentechnologie Mbh

Fumatech Bwt Gmbh

Bernd Bauer

Jacques Roziere

Deborah Jones

Giulio Alberti

Mario Casciola

Michael Schuster

Monica Pica

Lydie Tchicaya-Boukary

Galin Ivanov

Karl Danz

Norbert Rischer

Wei Zhang

Michael Jeske

The present invention relates to a hybrid material, its use and its production process. The hybrid material comprises a polymer with acid groups. The inorganic part of the said hybrid material is constituted by the combination of at least two metal oxide components, whereof at least one comprises a functional group permitting an interaction and a spatial relationship with the acid groups of the polymer.

Hybrid material, use of said hybrid material and method for making same

The invention provides composite membrane materials comprising a polymer of the state of art uniformly filled with a zirconium phosphate, preferably &#x3b1;-zirconium phosphate or zirconium phosphate sulfoarylenphosphonate particels. The composite membrane materials are preferably prepared starting from a solution of a polymer of the state of art and from a colloidal dispersion of &#x3b1;-zirconium phosphate or a zirconium phosphate sulfoarylenphosphonate. The colloidal particles are transferred into the solution of the polymer preferably by mixing the dispersion with the solution or by means of phase transfer. The membrane material is preferably obtained by removing the solvent by evaporation or by a suitable non-solvent. Besides the composite membrane materials and the preparation methods, the use of the above membrane materials is claimed as ionomeric membranes with high overall performance in high tempreature, especially hydrogen, and in indirect methanol fuel cells and with decreased methanol crossover in direct methanol fuel cells.

Ion conducting composite membrane materials containing an optionally modified zirconium phosphate dispersed in a polymeric matrix, method for preparation of the membrane material and its use

The invention relates to a sulfonated polyetherketonketone (sPEKK), which is amorphous and/or which can be obtained by sulfonating amorphous PEKK. This sPEKK can be preferably produced by using a diphenyl ether and a benzenedicarboxylic acid derivate. Particularly preferred is the use of benzenedicarboxylic acid dichloride. The benzenedicarboxylic acid derivative is advantageously provided in the form of a mixture consisting of at least two different benzenedicarboxylic acid derivatives, in particular, an isophthalic acid derivative and a terephthalic acid derivative.

Sulfonated polyetherketoneketone

Growing community of inventors

Vaihingen an der Enz, Germany

Bernd Bauer