The modified polyvinyl alcohol as a membrane material is developed to get porous membranes.The polyvinyl butyral membranes are prepared through the phase inversion method. 摘要以聚乙烯醇縮丁醛為膜材料，采用濕法相轉化法制備了聚乙烯醇縮丁醛多孔分離膜，考察了聚乙烯醇縮丁醛的成膜規律和膜性能。
The membrane technique has more effects on the research of CTM along with the development of the new materials. 隨著(zhù)新型膜材料的研究和開(kāi)發(fā)，膜分離技術(shù)在中藥研究中將發(fā)揮更大的作用。
