通过用硅烷偶联剂对纳米znO进行表面改性,使其均匀分散在乙醇中,对改性前后的ZnO分别通过XRD、IR、SEM表征,并测定ZnO/乙醇分散液和通过SD将纳米ZnO涂覆到雨伞布料后的抗紫外性能.结果表明:纳米ZnO通过偶联剂的改性后,晶体结构无明显变化,ZnO表面羟基与偶联剂分子结合后可均匀分散在乙醇中;在ZnO/乙醇分散液中,ZnO质量浓度仅需0.2‰,紫外线透过便可控制在5%以下;在布料涂敷少量的纳米ZnO后,其抗紫外性能可明显提高.
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