| 摘要 |
Aqueous solutions containing an epoxy resin in which epoxy groups have been replaced with a group M<+>[-CH(OH)-CH2-X-Ar-NH-C(O)-Q-C(O)-O]<-> in which M is an alkali metal or onium ion, Q an organic bridging group having 2-3 carbon atoms in the bridge, Ar is arylene, X is S, O, NH, N-alkyl, SO2NH or SO2N-alkyl, and preparation thereof by reacting an N-substituted imide with an epoxy resin and reacting the adduct thus formed with a base in the presence of water.
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