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Yan Bao,Lu Gao,Caiping Feng,Jianzhong Ma,Wenbo Zhang,Chao Liu,Demetra Simion 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.82 No.-
In this study,flower-like ZnO assembled by hollow cones (F-ZnO-HCs) were synthesized viasonochemical route and the related morphology and structure of product were characterized. Then,F-ZnO-HCs nanostructures were employed to polyacrylate and the effect of F-ZnO-HCs on the propertiesof waterbornefilms was investigated. Meanwhile, the morphological evolution of F-ZnO-HCs wasproposed and the superiority of F-ZnO-HCs on synchronously improving the water resistance and watervapor permeability of polyacrylatefilm was discussed. The results showed that F-ZnO-HCs possessed anaverage diameter of800 nm and a large specific surface area of 16.01 m2 g 1. Adjusting the watercontent and citric acid dosage, the morphology of ZnO transformed from F-ZnO-HCs to ZnOnanoparticles, F-ZnO-NSs, F-ZnO-SCs and F-ZnO-NRs. F-ZnO-HCs nanostructures asfillers not onlysignificantly enhance the stability of polyacrylate latex but also simultaneously improve the water vaporpermeability and water resistance of polyacrylatefilm. Moreover, compared with other morphologicalZnO, F-ZnO-HCs was the best for simultaneously improving the water resistance and water vaporpermeability of polyacrylatefilm. F-ZnO-HCs is an ideal candidate for resolving the contradiction of thewater resistance and water vapor permeability of waterbornefilms.
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