Catalyst membrane
AssigneeDirector Genereal of Agency of Industrial Science & Technology
InventorsSeiichi Aiba, Kazuhisa Hiratani, Tsutomu Nakagawa
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Abstract
A catalyst membrane including a porous polytetrafluoroethylene membrane having grafted thereon polystyrenesulfonic acid. The catalyst membrane is useful for hydrolyzing water soluble organic substances such as polysaccharides.
Claims7
A method of hydrolyzing an acid-catalyzable, water soluble organic substance, comprising contacting a solution containing said substance with a catalyst membrane which comprises a porous polytetrafluoroethylene membrane having grafted thereon polystyrenesulfonic acid, wherein said porous polytetrafluoroethylene membrane has a thickness of 30 to 200 u and an average pore size diameter of 0.1 to 1.2 u.
Dependencies are inferred from the claim text.