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′-二氨基二苯醚为 单体 合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.

  • 互联网摘选 2025-01-20 13:22:45

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