聚乙烯醇薄膜(简称PVA)，聚乙烯醇薄膜密度为1.26-1,29g/cm三次方，折射率为1.52，紫外线照射后发篮白色光。吸水性大，浸入水中能溶解。纤维的含水率可达30%-50%，在65%RH, 25 ℃ 环境下的含湿率也可达4.5%。能透过水蒸气，但难透过醇蒸汽，更不能透过有机溶剂蒸汽，惰性气体和氢气， 聚乙烯醇薄膜的阻隔性甚至优于偏二氯乙烯薄膜。
并且与加入未处理碳纳米管、处理后碳纳米管的聚乙烯醇薄膜在力学与电学性能方面进行了研究。
The electrical and mechanical properties of the films were compared with those containing untreated or treated CNTs.
使用新合成的氧化偶氮染料对定向和拉伸的聚乙烯醇薄膜染色，制备了具有较高偏振度和耐高温高湿性能的偏振片。
The polarizer having high polarizing activities and durability to heat and moisture was prepared by dipping the newly synthesized azoxy dye into oriented and stretched polyvinyl alcohol film.
从聚合物结构方面分析了聚乙烯醇(pva)薄膜的水溶性，提出用共混改性方法提高PVA薄膜的溶解性能。
The water-solubility of poly (vinyl alcohol) (PVA) films is analyzed from the polymer structure, the blend modification method is put forward to increase the water solubility of PVA films.
应用推荐