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|Title: ||Effect of carbon nanotube functionalization on the structure and properties of poly(3-hydroxybutyrate)/MWCNTs biocomposites|
|Authors: ||Huh, M|
|Issue Date: ||Jul-2014|
|Publisher: ||Springer Link|
|Citation: ||Huh, M., Jung, M., Park, Y., Kim, B.-J., Kang, M., Holden, P., & Yun, S. (2014). Effect of carbon nanotube functionalization on the structure and properties of poly(3-hydroxybutyrate)/MWCNTs biocomposites. Macromolecular Research, 22(7), 765-772. doi: http://dx.doi.org/10.1007/s13233-014-2141-7|
|Abstract: ||Multi walled carbon nanotubes (MWCNTs) covalently functionalized with an alkyl chain exhibited a better dispersion in poly(3-hydroxybutyrate) (PHB) solutions and cast films as compared with acid-treated MWCNTs (MWCNT-COOH) due to the much improved solubility in chloroform. The alkylated MWCNTs more effectively strengthened PHB composites than non-alkylated MWCNTs due to their uniform dispersion as well as stronger interaction of alkylated MWCNTs with the PHB matrix. Both acid-treated and alkylated MWCNTs added to PHB matrix facilitated crystallization kinetics. However the crystallization kinetics were found to be slower for the alkylated MWCNTs/PHB composites than acid-treated MWCNTs composites. The results may be ascribed to the inhibitory effect on PHB crystallization caused by the steric hindrance of the long alkyl chains attached to MWCNTs. © The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2014.|
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