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Protonic acid group-containing crosslinkable aromatic resin, and ion conductive polymer membrane, binder and fuel cell using the same
Protonic acid group-containing crosslinkable aromatic resin, and ion conductive polymer membrane, binder and fuel cell using the same
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机译:含有质子酸基的交联性芳香族树脂,使用其的离子传导性高分子膜,粘合剂及燃料电池
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摘要
The invention provides a crosslinkable aromatic resin having a protonic acid group and a crosslinkable group, suitable for electrolytic membranes and binders used in fuel cells, etc., and electrolytic polymer membranes, binders and fuel cells using the resin. The crosslinkable aromatic resin has a crosslinkable group, which is not derived from the protonic acid group and can form a polymer network without any elimination component. This resin exhibits excellent ion conductivity, heat resistance, water resistance, adhesion property and low methanol permeability. Preferably, the crosslinkable group is composed of a C1 to C10 alkyl group directly bonded to the aromatic ring and a carbonyl group, or a carbon-carbon double bond or triple bond. The aromatic resins such as aromatic polyethers, aromatic polyamides, aromatic polyimides, aromatic polyamideimides, aromatic polyazoles, etc., which contain such a crosslinkable group, are preferred as the crosslinkable aromatic resins having a protonic acid group and a crosslinkable group. IMAGE
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