| 摘要 |
A prepolymer prepared by condensation reaction between a first compound represented by Formula (1) below: Ar—H (1), where Ar is composed of a crosslinkable moiety at one end, a moiety selected from the group—O—,—S—,—COO—,—CO—,—COS—,—SO2—, and—NH—, and one or two repeating units selected from the group: where A is carbon or nitrogen, and X is hydrogen or halogen; and a second compound that is an aromatic moiety. |
