Hollow microspheres with covalent-bonded colloidal and polymeric shell by Pickering emulsion polymerization

Dezhong Yin; Qiuyu Zhang; Changjie Yin; Xingbo Zhao; Hepeng Zhang

doi:10.1002/pat.1865

Hollow microspheres with covalent-bonded colloidal and polymeric shell by Pickering emulsion polymerization

Dezhong Yin, Qiuyu Zhang, Changjie Yin, Xingbo Zhao, Hepeng Zhang

School of Chemistry and Chemical Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Hollow microspheres with SiO ₂/polymer binary shell were fabricated from Pickering emulsion stabilized solely by methacryloxypropyltrimethoxysilane-modified SiO ₂ particles, and were characterized by optical microscopy, scanning electron microscopy, Fourier transformation infrared spectrum, thermogravimetric analysis (TGA), and energy dispersive X-ray spectroscopy. The microspheres were templated by the Pickering droplets and the inner structure was affect by the proportion of crosslinking reagent. TGA result indicated that 60.3% of polymer in the shell was connected with SiO ₂ by covalent bond which was formed by copolymerization of styrene and the reactive C=C group on SiO ₂ stabilizer.

Original language	English
Pages (from-to)	273-277
Number of pages	5
Journal	Polymers for Advanced Technologies
Volume	23
Issue number	3
DOIs	https://doi.org/10.1002/pat.1865
State	Published - Mar 2012

Keywords

Hollow microspheres
Phase separation
Pickering emulsion polymerization

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10.1002/pat.1865

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abstract = "Hollow microspheres with SiO 2/polymer binary shell were fabricated from Pickering emulsion stabilized solely by methacryloxypropyltrimethoxysilane-modified SiO 2 particles, and were characterized by optical microscopy, scanning electron microscopy, Fourier transformation infrared spectrum, thermogravimetric analysis (TGA), and energy dispersive X-ray spectroscopy. The microspheres were templated by the Pickering droplets and the inner structure was affect by the proportion of crosslinking reagent. TGA result indicated that 60.3% of polymer in the shell was connected with SiO 2 by covalent bond which was formed by copolymerization of styrene and the reactive C=C group on SiO 2 stabilizer.",

keywords = "Hollow microspheres, Phase separation, Pickering emulsion polymerization",

author = "Dezhong Yin and Qiuyu Zhang and Changjie Yin and Xingbo Zhao and Hepeng Zhang",

year = "2012",

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T1 - Hollow microspheres with covalent-bonded colloidal and polymeric shell by Pickering emulsion polymerization

AU - Yin, Dezhong

AU - Zhang, Qiuyu

AU - Yin, Changjie

AU - Zhao, Xingbo

AU - Zhang, Hepeng

PY - 2012/3

Y1 - 2012/3

N2 - Hollow microspheres with SiO 2/polymer binary shell were fabricated from Pickering emulsion stabilized solely by methacryloxypropyltrimethoxysilane-modified SiO 2 particles, and were characterized by optical microscopy, scanning electron microscopy, Fourier transformation infrared spectrum, thermogravimetric analysis (TGA), and energy dispersive X-ray spectroscopy. The microspheres were templated by the Pickering droplets and the inner structure was affect by the proportion of crosslinking reagent. TGA result indicated that 60.3% of polymer in the shell was connected with SiO 2 by covalent bond which was formed by copolymerization of styrene and the reactive C=C group on SiO 2 stabilizer.

AB - Hollow microspheres with SiO 2/polymer binary shell were fabricated from Pickering emulsion stabilized solely by methacryloxypropyltrimethoxysilane-modified SiO 2 particles, and were characterized by optical microscopy, scanning electron microscopy, Fourier transformation infrared spectrum, thermogravimetric analysis (TGA), and energy dispersive X-ray spectroscopy. The microspheres were templated by the Pickering droplets and the inner structure was affect by the proportion of crosslinking reagent. TGA result indicated that 60.3% of polymer in the shell was connected with SiO 2 by covalent bond which was formed by copolymerization of styrene and the reactive C=C group on SiO 2 stabilizer.

KW - Hollow microspheres

KW - Phase separation

KW - Pickering emulsion polymerization

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ER -

Hollow microspheres with covalent-bonded colloidal and polymeric shell by Pickering emulsion polymerization

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Keywords

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