Title:
ポリマーマトリックスに分散されたプロトン伝導性シリカ粒子に基づくイオン交換複合材料
Document Type and Number:
Japanese Patent JP2005521777
Kind Code:
A
Abstract:
The composite material comprises acid functionalized silica dispersed in a polymer matrix that is based on poly(aromatic ether ketones), or poly(benzoyl phenylene), or derivatives thereof. The composite material is characterized by good water retention capabilities due to the acidic functions and the hydrophilicity of the silica particles. Moreover, a good impermeability to gas and liquid fuels commonly used in fuel cell technology, like hydrogen gas or methanol solution, is also obtained due to the presence of silica particles. Good mechanical properties of the composite material let the material to be formed easily in thin film or membrane form. In that form, the composite material is usable for proton exchange membrane for fuel cells, for drying or humidifying membrane for gas or solvent conditioning, or as acid catalytic membrane.
Inventors:
Saint-Arnault, Marc
Beebin, philip
Beebin, philip
Application Number:
JP2003581295A
Publication Date:
July 21, 2005
Filing Date:
March 26, 2003
Export Citation:
Assignee:
SMM Composites Incorporated
International Classes:
B01D67/00; B01D69/14; B01D71/02; B01D71/06; B01D71/52; B01D71/72; B01D71/82; C08J5/22; C08L71/10; C08K9/02; C08K9/04; C08L73/00; H01B1/06; H01M8/02; H01M8/10; (IPC1-7): C08L71/10; C08K9/02; C08K9/04; C08L73/00; H01B1/06; H01M8/02; H01M8/10
Attorney, Agent or Firm:
Keinosuke Ozawa
Tsutomu Kozuka
Tsutomu Kozuka