With short time pre-evaporation and low temperature coagulation bath, membrane's supporting layer is small and uniformity sponginess network-structure.

  • 当预蒸发时间较短和凝固浴温度较高时,膜的支撑层为典型的小而均匀的海绵状网络孔结构,基本看不出过渡层;

  • 互联网摘选 2025-01-20 19:08:49

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