Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 48, Issue 23, Pages 5541-5548Publisher
WILEY-BLACKWELL
DOI: 10.1002/pola.24365
Keywords
Bergman cyclization; carbon nanotubes; electrospinning; functionalization; modification; nanocomposites; polyesters
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Funding
- National Natural Science Foundation of China [20874026, 20704013]
- Shanghai Pujiang Program [07PJ14024]
- Shuguang Project [07SG33]
- New Century Excellent Talents in University
- Shanghai Leading Academic Discipline Project [B502]
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In this work, pristine multiwalled carbon nanotubes (MWNTs) were functionalized by utilizing the free radicals generated through Bergman cyclization of enediyne containing compounds 3. Polyesters were subsequently grafted from the surface of MWNTs through ring-opening polymerization of epsilon-caprolactone or lactide initiated by free hydroxy groups generated after hydrolysis of ester groups. Functionalized MWNTs were characterized with a variety of techniques, including TGA, NMR, IR, UV-vis, TEM, and Raman spectroscopy. After surface modification, MWNTs showed good solubility in common organic solvents and polymer solutions. Fabrication of MWNTs polymer nanocomposites was revealed through electrospinning with polycaprolactone. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 5541-5548, 2010
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