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US 10,865,282 B2Granted
Ion exchange membrane, method for producing ion exchange membrane, and electrolyzer
AssigneeAsahi Kasei Kabushiki Kaisha
InventorsKoji Okamoto, Kazuya Takahashi
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Abstract
An ion exchange membrane includes: a membrane main body including a fluorine-containing polymer having an ion exchange group; and a coating layer arranged on at least one face of the membrane main body; wherein the coating layer includes inorganic particles and a binder, a mass ratio of the binder to the total mass of the inorganic particles and the binder in the coating layer is more than 0.3 and 0.9 or less, and a surface roughness of the coating layer is 1.20 μm or more.
Claims7
An ion exchange membrane comprising:
- a membrane main body comprising a fluorine-containing polymer having an ion exchange group;
- and
- a coating layer arranged on at least one face of the membrane main body;
- wherein
- the coating layer comprises inorganic particles and a binder, wherein
- the average particle size of the inorganic particles is 0.90 μm or more and 2 μm or less, and
- a mass ratio of the binder to a total mass of the inorganic particles and binder in the coating layer is more than 0.3 and 0.9 or less, and a surface roughness of the coating layer is 1.20 μm or more.
4 more elements
Dependencies are inferred from the claim text.