二氨基联苯...

diaminodiphenyl的音标：diaminodiphenyl的英式发音音标为：[daɪæmɪnəʊdɪ'fenɪl]diaminodiphenyl的美式发音音标为：[daɪæmɪnoʊdɪ'fenɪl]...

A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4� � - diaminodiphenyl ether ( ODA ) and 3,3� �, 4,4� � - oxydiphthalic dianhydride ( ODPA ), were prepared.采用二苯醚3,3, ′4, 4′-四 甲酸 二酐与己二胺和4, 4′-二氨基二...