通过水热法制备了具有交联结构的聚丙烯酸酯(PAAS)-聚乙烯醇(PVA)-纳米SiO2有机无机复合乳液,并将该乳液通过提拉在玻璃基底和PET膜上构建了性能稳定、透明的亲水涂层.研究了乳液中纳米颗粒掺入量对涂层表面形貌、润湿性和透光率的影响,结果表明,随着纳米粒子掺入量的增加,涂层亲水性随之增大,而透过率随之下降.当PVA含量为0.25wt%,PAAS、PVA和SiO2的质量比为1:2.5:10时,涂层亲水性长效稳定,一个月时间内接触角保持在5°左右,在500~ 760nm波长范围内透过率超过78.68%,硬度达到HB.常温聚丙烯酸酯-聚乙烯醇-纳米SiO2亲水涂层具有稳定的耐水性和良好的抗结霜和快速除霜性能.
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