| 摘要 |
PURPOSE: A composition is provided to provide a composite film with improved mechanical strength, thereby manufacturing a fuel cell with improved durability. CONSTITUTION: A composition comprises one or more compounds represented by chemical formula 1, and a crosslinkable compound. In the chemical formula 1: a is 0, 1, or 2; R is hydrogen, a substituted or unsubstituted C1-40 alkyl group, a substituted or unsubstituted C1-40 alkoxy group, a substituted or unsubstituted C2-40 alkenyl group, a substituted or unsubstituted C2-40 alkynyl group, a substituted or unsubstituted C6-40 aryl group, a substituted or unsubstituted C6-40 aryloxy group, a substituted or unsubstituted C2-40 heteroaryl group, a substituted or unsubstituted C2-40 heteroaryloxy group, a substituted or unsubstituted C4-40 cyclic carbon group, a substituted or unsubstituted C4-40 cyclic carbon oxy group, a substituted or unsubstituted C2-40 hetero cycle group, halogen, a hydroxyl group, or a cyano group. |
