イオノマー膜の製造法 - Solvay Solexis S.p.A.

Title:

イオノマー膜の製造法

Document Type and Number:

Japanese Patent JP4430324

Kind Code:

B2

Abstract:

A process for preparing membranes formed by (per)fluorinated ionomeric electrolytes salified with the lithium ion, comprising the following steps:a) obtaining of (per)fluorinated polymer membranes, containing -SO₂F groups;b) partial or complete salification of (per)fluorinated polymer membranes containing -SO₂F groups with basic lithium compounds and final washing with water;c) swelling and contemporaneous drying process of membranes by dipping in a heterogeneous biphasic system of a dipolar aprotic solvent wherein insoluble solid drying agents are dispersed.

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Inventors:

Walter Navarini
Stefania Panero
Bruno Sucrosati
Aldo San Guinetti

Application Number:

JP2003120298A

Publication Date:

March 10, 2010

Filing Date:

April 24, 2003

Export Citation:

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Assignee:

Solvay Solexis S.p.A.

International Classes:

C08J5/22; C08F16/12; C08G85/00; H01M6/18; H01M10/05; H01M10/052; H01M10/0565; H01M10/36

Domestic Patent References:

JP2001503910A
JP8213053A

Foreign References:

WO2000052085A1

Attorney, Agent or Firm:

Shintaro Nogawa

Previous Patent: JPS4430323

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