聚乙烯醇可用于生产维纶、聚乙烯醇缩丁醛和聚乙烯醇缩甲醛。
Polyvinyl alcohol can be used to produce vinylon, polyvinyl butyral, and polyvinyl formal.
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。
The existing problems of traditional PVA drying were analyzed, the paddle two-grade drying process for PVA and its applications were presented.
综述了聚乙烯醇缩丁烯醛胶的制备原理和制备方法,并主要讨论了聚乙烯醇缩丁烯醛在国内外的应用进展情况。
This paper summarized to prepare the principle and method of poly(vinyl crotonal), as well as mainly discussed state-of-arts of poly(vinyl crotonal)at home and abroad.
利用具备活性的胺基树脂与聚乙烯醇进行交联反应,对改性聚乙烯醇涂布工艺进行了研究。
The modified PVA coating process was studied by the crosslinking reaction of the active amino resin and PVA.
以三甲胺、环氧氯丙烷和聚乙烯醇为原料,合成出季铵型阳离子聚乙烯醇。
Using trimethylamine, epoxy chloropropane and poly (vinyl alcohol) as materials, the quaternary cationic poly (vinyl alcohol) was synthesized.
研究了以聚乙烯醇为保护胶体的醋酸乙烯乳液聚合中,作为保护胶体的聚乙烯醇与醋酸乙烯的接枝反应。
The grafting reaction of vinyl acetate with polyvinyl alcohol which was regarded as the protecting colloid in the emulsion polymerization of vinyl acetate was investigated in this paper.
上述反渗透膜是附着有聚乙烯醇的反渗透膜,其特征在于,该聚乙烯醇为离子性聚乙烯醇。
The reverse osmosis membrane has a polyvinyl alcohol adherent thereto, and is characterized in that the polyvinyl alcohol is an ionic polyvinyl alcohol.
实验结果表明,交联后的聚乙烯醇粘合剂性能优于聚乙烯醇缩醛粘合剂,而且无毒无害,是一种优良的环保材料。
Experimental results showed that the properties of crosslinked adhesive of PVA are superior than those of polyvinyl acetal adhesive. Further-more, it has innoxious to people, it is a excellent en...
实验结果表明,交联后的聚乙烯醇粘合剂性能优于聚乙烯醇缩醛粘合剂,而且无毒无害,是一种优良的环保材料。
Experimental results showed that the properties of crosslinked adhesive of PVA are superior than those of polyvinyl acetal adhesive. Further-more, it has innoxious to people, it is a excellent en...
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