Crystallization, melting and morphology of PEO in PEO/MWNT-g-PMMA blends

Yeong Tarng Shieh; Gin Lung Liu; Kuo Chu Hwang; Chia Chun Chen

doi:10.1016/j.polymer.2005.09.022

Crystallization, melting and morphology of PEO in PEO/MWNT-g-PMMA blends

Yeong Tarng Shieh, Gin Lung Liu, Kuo Chu Hwang, Chia Chun Chen

化學系

研究成果: 雜誌貢獻 › 文章

51 引文斯高帕斯（Scopus）

摘要

The dispersion of multi-walled carbon nanotubes (MWNTs) in crystalline poly(ethylene oxide) (PEO) is significantly improved by grafting with poly(methyl methacrylate) (PMMA) on surface of MWNTs via emulsion reactions. The synthesized MWNTs-g-PMMA is soluble in solvents that can dissolve PMMA and is well dispersed in PEO. The effects of the MWNTs-g-PMMA on PEO crystallization and its use as a reinforcement for PEO are investigated using DMA, DSC, POM, and SAXS. DMA data show that the PEO/MWNTs-g-PMMA blends containing up to 30 wt% MWNTs-g-PMMA are compatible. DSC data show the crystallization of PEO is enhanced by the MWNTs-g-PMMA, accompanying with a decreased thickness of crystal layers and an increased thickness of amorphous layers of the PEO lamellar stacks, in combination with SAXS data.

原文	英語
頁（從 - 到）	10945-10951
頁數	7
期刊	Polymer
卷	46
發行號	24
DOIs	https://doi.org/10.1016/j.polymer.2005.09.022
出版狀態	已發佈 - 2005 十一月 21

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/j.polymer.2005.09.022

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Shieh, Y. T., Liu, G. L., Hwang, K. C., & Chen, C. C. (2005). Crystallization, melting and morphology of PEO in PEO/MWNT-g-PMMA blends. Polymer, 46(24), 10945-10951. https://doi.org/10.1016/j.polymer.2005.09.022

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title = "Crystallization, melting and morphology of PEO in PEO/MWNT-g-PMMA blends",

abstract = "The dispersion of multi-walled carbon nanotubes (MWNTs) in crystalline poly(ethylene oxide) (PEO) is significantly improved by grafting with poly(methyl methacrylate) (PMMA) on surface of MWNTs via emulsion reactions. The synthesized MWNTs-g-PMMA is soluble in solvents that can dissolve PMMA and is well dispersed in PEO. The effects of the MWNTs-g-PMMA on PEO crystallization and its use as a reinforcement for PEO are investigated using DMA, DSC, POM, and SAXS. DMA data show that the PEO/MWNTs-g-PMMA blends containing up to 30 wt% MWNTs-g-PMMA are compatible. DSC data show the crystallization of PEO is enhanced by the MWNTs-g-PMMA, accompanying with a decreased thickness of crystal layers and an increased thickness of amorphous layers of the PEO lamellar stacks, in combination with SAXS data.",

keywords = "Carbon nanotubes, Crystallization, Polymer composites",

author = "Shieh, {Yeong Tarng} and Liu, {Gin Lung} and Hwang, {Kuo Chu} and Chen, {Chia Chun}",

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AU - Shieh, Yeong Tarng

AU - Liu, Gin Lung

AU - Hwang, Kuo Chu

AU - Chen, Chia Chun

PY - 2005/11/21

Y1 - 2005/11/21

N2 - The dispersion of multi-walled carbon nanotubes (MWNTs) in crystalline poly(ethylene oxide) (PEO) is significantly improved by grafting with poly(methyl methacrylate) (PMMA) on surface of MWNTs via emulsion reactions. The synthesized MWNTs-g-PMMA is soluble in solvents that can dissolve PMMA and is well dispersed in PEO. The effects of the MWNTs-g-PMMA on PEO crystallization and its use as a reinforcement for PEO are investigated using DMA, DSC, POM, and SAXS. DMA data show that the PEO/MWNTs-g-PMMA blends containing up to 30 wt% MWNTs-g-PMMA are compatible. DSC data show the crystallization of PEO is enhanced by the MWNTs-g-PMMA, accompanying with a decreased thickness of crystal layers and an increased thickness of amorphous layers of the PEO lamellar stacks, in combination with SAXS data.

AB - The dispersion of multi-walled carbon nanotubes (MWNTs) in crystalline poly(ethylene oxide) (PEO) is significantly improved by grafting with poly(methyl methacrylate) (PMMA) on surface of MWNTs via emulsion reactions. The synthesized MWNTs-g-PMMA is soluble in solvents that can dissolve PMMA and is well dispersed in PEO. The effects of the MWNTs-g-PMMA on PEO crystallization and its use as a reinforcement for PEO are investigated using DMA, DSC, POM, and SAXS. DMA data show that the PEO/MWNTs-g-PMMA blends containing up to 30 wt% MWNTs-g-PMMA are compatible. DSC data show the crystallization of PEO is enhanced by the MWNTs-g-PMMA, accompanying with a decreased thickness of crystal layers and an increased thickness of amorphous layers of the PEO lamellar stacks, in combination with SAXS data.

KW - Carbon nanotubes

KW - Crystallization

KW - Polymer composites

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