Microencapsulation of hexadecane by surface-initiated atom transfer radical polymerization on a Pickering stabilizer

Dezhong Yin; Jinjie Liu; Wangchang Geng; Baoliang Zhang; Qiuyu Zhang

doi:10.1039/c4nj01533a

Microencapsulation of hexadecane by surface-initiated atom transfer radical polymerization on a Pickering stabilizer

Dezhong Yin, Jinjie Liu, Wangchang Geng, Baoliang Zhang, Qiuyu Zhang

化学与化工学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

17 引用（Scopus）

摘要

Hexadecane-loaded microcapsules with SiO₂-poly(methyl methacrylate) (PMMA) hybrids as shells were prepared by surface-initiated atom transfer radical polymerization (SI-ATRP) in an oil-in-water Pickering emulsion. ATRP-initiators were introduced onto SiO₂ particles by a homemade silane coupling reagent containing a 2-bromoisobutyrate group. SI-ATRP polymerization was conducted on Pickering stabilizers based on activators regenerated by electron transfer (ARGET). TGA results indicated that 80.3% of PMMA chains in the shell were covalently-bonded to SiO₂, which was formed by SI-ATRP polymerization. The microcapsules show excellent potential for thermal energy storage, as evidenced by a high melting enthalpy of 161.7 J g^-1.

源语言	英语
页（从-至）	85-89
页数	5
期刊	New Journal of Chemistry
卷	39
期	1
DOI	https://doi.org/10.1039/c4nj01533a
出版状态	已出版 - 1 1月 2015

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10.1039/c4nj01533a

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abstract = "Hexadecane-loaded microcapsules with SiO2-poly(methyl methacrylate) (PMMA) hybrids as shells were prepared by surface-initiated atom transfer radical polymerization (SI-ATRP) in an oil-in-water Pickering emulsion. ATRP-initiators were introduced onto SiO2 particles by a homemade silane coupling reagent containing a 2-bromoisobutyrate group. SI-ATRP polymerization was conducted on Pickering stabilizers based on activators regenerated by electron transfer (ARGET). TGA results indicated that 80.3% of PMMA chains in the shell were covalently-bonded to SiO2, which was formed by SI-ATRP polymerization. The microcapsules show excellent potential for thermal energy storage, as evidenced by a high melting enthalpy of 161.7 J g-1.",

author = "Dezhong Yin and Jinjie Liu and Wangchang Geng and Baoliang Zhang and Qiuyu Zhang",

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AU - Yin, Dezhong

AU - Liu, Jinjie

AU - Geng, Wangchang

AU - Zhang, Baoliang

AU - Zhang, Qiuyu

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N2 - Hexadecane-loaded microcapsules with SiO2-poly(methyl methacrylate) (PMMA) hybrids as shells were prepared by surface-initiated atom transfer radical polymerization (SI-ATRP) in an oil-in-water Pickering emulsion. ATRP-initiators were introduced onto SiO2 particles by a homemade silane coupling reagent containing a 2-bromoisobutyrate group. SI-ATRP polymerization was conducted on Pickering stabilizers based on activators regenerated by electron transfer (ARGET). TGA results indicated that 80.3% of PMMA chains in the shell were covalently-bonded to SiO2, which was formed by SI-ATRP polymerization. The microcapsules show excellent potential for thermal energy storage, as evidenced by a high melting enthalpy of 161.7 J g-1.

AB - Hexadecane-loaded microcapsules with SiO2-poly(methyl methacrylate) (PMMA) hybrids as shells were prepared by surface-initiated atom transfer radical polymerization (SI-ATRP) in an oil-in-water Pickering emulsion. ATRP-initiators were introduced onto SiO2 particles by a homemade silane coupling reagent containing a 2-bromoisobutyrate group. SI-ATRP polymerization was conducted on Pickering stabilizers based on activators regenerated by electron transfer (ARGET). TGA results indicated that 80.3% of PMMA chains in the shell were covalently-bonded to SiO2, which was formed by SI-ATRP polymerization. The microcapsules show excellent potential for thermal energy storage, as evidenced by a high melting enthalpy of 161.7 J g-1.

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Microencapsulation of hexadecane by surface-initiated atom transfer radical polymerization on a Pickering stabilizer

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