Transparent, thermal stable and hydrophobic coatings from fumed silica/fluorinated polyacrylate composite latex via in situ miniemulsion polymerization

[Display omitted] •Commercial fumed silica is conveniently adopted to fabricate the composite latex particles.•The size of the composite latex particles can be tailored range from 116.9 nm to 150.4 nm.•The resultant latex coatings has both high transparency and durable hydrophobicity.•The fumed sili...

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Bibliographic Details
Published in:Progress in organic coatings 2019-06, Vol.131, p.357-363
Main Authors: Zhao, Fuchun, Guan, Jie, Bai, Wanna, Gu, Tingting, Liao, Shuangquan
Format: Article
Language:English
Subjects:
Chemical industry
Coatings
Composite latex
Durable hydrophobicity
Fluorination
Fumed silica
Haze
High transparent
Hydrophobic coatings
Hydrophobicity
Latex
Polymerization
Polymethyl methacrylate
Silica
Silica fume
Silicon dioxide
Thermal stability
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Summary:[Display omitted] •Commercial fumed silica is conveniently adopted to fabricate the composite latex particles.•The size of the composite latex particles can be tailored range from 116.9 nm to 150.4 nm.•The resultant latex coatings has both high transparency and durable hydrophobicity.•The fumed silica enhances the thermal stability of the composite coatings dramatically. A type of commercial fumed silica modified by hexamethyldisilazane (HMDS) was directly applied in the in situ miniemulsion polymerization of methyl methacrylate (MMA), butyl acrylate (BA) and perfluorooctyl methacrylate (PFOMA) to prepare the fumed silica/fluorinated acrylate latex. The particle size of fumed silica/fluorinated polyacrylate composite latex can be tailored in a range of 116.9 nm to 150.4 nm. The resultant composite latex coatings are highly transparent with the high transmittance (>95%) and lower haze (
ISSN:0300-9440
1873-331X
DOI:10.1016/j.porgcoat.2019.02.013