Article

Hydrophobic coating of mica by piranha solution activation, silanization grafting, and copolymerization with acrylate monomers

Linlin Wang,

Linlin Wang

State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237 China

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Yuelong Liu,

Yuelong Liu

School of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, 330013 China

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Gousheng Liu,

Corresponding Author

Gousheng Liu

[email protected]

State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237 China

College of Chemistry, Nanchang University, Nanchang, 330031 China

Correspondence to: G. Liu (E-mail: [email protected])Search for more papers by this author

Linlin Wang,

Linlin Wang

State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237 China

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Yuelong Liu,

Yuelong Liu

School of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, 330013 China

Search for more papers by this author

Gousheng Liu,

Corresponding Author

Gousheng Liu

[email protected]

State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237 China

College of Chemistry, Nanchang University, Nanchang, 330031 China

Correspondence to: G. Liu (E-mail: [email protected])Search for more papers by this author

First published: 02 March 2017

https://doi.org/10.1002/app.44985

Citations: 6

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ABSTRACT

Hydrophobic mica particles were prepared by piranha solution activation, silanization, and copolymerization with acrylate monomers. Its surface morphology, hydrophilic properties, and thermogravimetric analysis changed differently in comparison with those of pristine mica. Scanning electron microscopy (SEM) showed that the modified (001) mica surface changed from flat to coarse. Thermogravimetric curves demonstrated that silane coupling agents and the grafted polymer were anchored on the modified-mica surface. The alternating surface polarity state was verified by different dispersion performances in the solvents. SEM images showed that the polypropylene (PP)/modified-mica composites had a better quality compatibility than the PP/untreated-mica composites. The PP/polymer-grafted-mica composites had improved mechanical properties, including stretching, tension, and impact properties. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44985.

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Hydrophobic coating of mica by piranha solution activation, silanization grafting, and copolymerization with acrylate monomers

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Hydrophobic coating of mica by piranha solution activation, silanization grafting, and copolymerization with acrylate monomers

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