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理想的气体分离膜材料应该同时具有高透气性和高透气选择性、高机械强度、优良的热和化学稳定性以及良好的成膜加工性能。在商业高分子材料中,透气性好的材料往往透气选择性较差,而透气选择性好的材料往往透气性差,一般难以找到理想的气体分离膜材料。为了
The ideal gas separation membrane material should have both high air permeability and high air permeability, high mechanical strength, good thermal and chemical stability, and good film-forming properties. In commercial polymer materials, materials with good air permeability tend to have poor air permeability, while materials with good air permeability tend to have poor air permeability and are generally difficult to find the ideal gas separation membrane material. in order to