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

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

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
46
發行號24
DOIs
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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