以下为句子列表:
英文: The polyimides were found to be soluble in strong polar solvents when ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylether and ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylmethane molar ratios are 0∶0~ ∶7 and 0∶0~∶, respectively.
中文: 当共缩聚二胺单体中,′-二(-氨基苯氧基)二苯砜/,′-二氨基二苯甲烷和,′-二(-氨基苯氧基)二苯砜/,′-二氨基二苯醚的摩尔比分别为0∶0~∶及0∶0~ ∶7时,所得聚酰亚胺可溶于强极性溶剂。
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