The existing problems of traditional PVA drying were analyzed, the paddle two-grade drying process for PVA and its applications were presented.
分析了传统聚乙烯醇干燥工艺存在的问题，介绍了聚乙烯醇桨叶两级干燥工艺和应用情况。
Looking for a new sizing material that substitutes PVA has become our common understanding, because PVA causes serious pollution and destruction to environment.
由于PV A对环境造成严重的污染和破坏，寻找一种新的浆料来替代PVA已经成为大家的共识。
SEM and FTIR as well as DSC techniques were employed to characterize the morphology and structure of crosslinking of PVA nanofibers membrane, PVA nanofibers membrane as well as PVA powder.
采用扫描电镜法(sem)、红外光谱法(FTIR)、差热扫描法(DSC)对PV A粉末、未交联pva纳米纤维膜以及交联PVA纳米纤维膜的形态和结构进行了研究。
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