PVA concentration, amount of crosslinking agent, the temperature of heat treatment and base membrane which might affect performance of composite membranes, were also studied.
分析讨论了PVA的浓度、交联剂用量、热处理温度及基膜对膜蒸汽渗透分离性能的影响。
The PVA-PFSA/PAN composite membrane had good dehydration performance, and could be applied in the new enhanced esterification process of EAc production.
PVA-PFSA/PAN渗透汽化膜对乙酸乙酯体系的脱水效果良好，可应用于强化乙酸乙酯酯化生产工艺。
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