The results showed that the PEES-PES copolymer possessed high thermal stability and good solubility.
结果表明：PEES-PPES具有较高的热稳定性，较好的溶剂溶解性；
The result of electron-microscopy investigation indicates that PES copolymer has formed a local order structure during the physical aging.
电镜对形态结构的分析进一步表明，聚醚砜共聚物经物理老化后其聚集态形成了某种局部有序结构。
The separation membranes based the synthesized PES-DMAEMA copolymer were prepared by phase inversion method.
以PES-DMAEMA为膜材料，相转化法制备了非对称结构的超滤膜。
The separation membranes based the synthesized PES-DMAEMA copolymer were prepared by phase inversion method.
以PES-DMAEMA为膜材料，相转化法制备了非对称结构的超滤膜。
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