請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/43299
標題: Thermal degradation kinetics of biodegradable poly (3-hydroxybutyrate)/layered double hydroxide nanocomposites
作者: Wu, T.M.
吳宗明
Hsu, S.F.
Shih, Y.F.
Liao, C.S.
關鍵字: biodegradable
isothermal degradation kinetics
layered double
hydroxides
nanocomposites
poly(3-hydroxybutyrate)
thermogravimetric
analysis
layered double hydroxides
poly(-(d)-beta-hydroxybutyric acid)
poly(beta-hydroxybutyric acid)
nonisothermal crystallization
mechanical-properties
molecular-weight
poly(3-hydroxybutyrate)
behavior
blends
polyesters
期刊/報告no:: Journal of Polymer Science Part B-Polymer Physics, Volume 46, Issue 12, Page(s) 1207-1213.
摘要: The thermal degradation behaviors of biodegradable poly(3-hydroxybutyrate) (PHB) and PHB/poly(ethylene glycol) phosphonates (PEOPAs)-modified layered double hydroxide (PMLDH) nanocomposites have been investigated using thermogravimetric analysis. Effects of PMLDH contents on the isothermal degradation kinetics of PHB were explored. These experimental results show that the degradation kinetics of PHB/PMLDH nanocomposites is the chain-scission process of cyclic beta-elimination reaction with the following autocatalytic reactions, which is very similar to that of pure PHB matrix. Further calculated data based on the autocatalytic model can fit very well with the experimental data. The E. value of PHB/PMLDH nanocomposites is increased as the content of PMLDH increases. This can be attributed to the incorporation of more PMLDH loading to PHB induced a decrease in the degradation rate and an increase in the residual weight for PHB/PMLDH nanocomposites. (c) 2008 Wiley Periodicals, Inc.
URI: http://hdl.handle.net/11455/43299
ISSN: 0887-6266
文章連結: http://dx.doi.org/10.1002/polb.21454
顯示於類別:材料科學與工程學系

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