ICCAS OpenIR
Biodegradable poly(L-lactide)/poly(epsilon-caprolactone)-modified montmorillonite nanocomposites: Preparation and characterization
Yu, Zhenyang; Yin, Jingbo; Yan, Shifeng; Xie, Yongtao; Ma, Jia; Chen, Xuesi
2007-10-05
Source PublicationPOLYMER
ISSN0032-3861
Volume48Issue:21Pages:6439-6447
AbstractNew nanocomposites were prepared by melt blending poly(L-lactide) (PLLA), poly(epsilon-caprolactone) (PCL), and organically modified montmorillonite (OMMT). The obtained nanocomposites showed enhanced tensile strength, modulus and elongation at break than that of PLLA/PCL blends. The dynamic mechanical analysis showed the increasing mechanical properties with temperature dependence of nanocomposites. Wide-angle X-ray diffraction analysis and transmission electron microscopy indicated that the material formed the nanostructure. Adding OMMT improved the thermal stability and crystalline abilities of nanocomposites. The morphology was investigated by environmental scanning electron microscopy, which showed that increasing content of OMMT reduces the domain size of phase-separated particles. The specific interaction between each polymer and OMMT was characterized by the Flory-Huggins interaction parameter, B, which was determined by the equilibrium melting point depression of nanocomposites. The final values of B showed that PLLA was more compatible with OMMT than PCL. (c) 2007 Elsevier Ltd. All rights reserved.
KeywordPoly(L-lactide) Poly(Epsilon-caprolactone) Nanocomposites
DOI10.1016/j.polymer.2007.07.024
Indexed BySCI
Language英语
WOS IDWOS:000250492000030
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:76[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62564
Collection中国科学院化学研究所
Corresponding AuthorYin, Jingbo
Affiliation1.Shanghai Univ, Dept Polymer Mat, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Yu, Zhenyang,Yin, Jingbo,Yan, Shifeng,et al. Biodegradable poly(L-lactide)/poly(epsilon-caprolactone)-modified montmorillonite nanocomposites: Preparation and characterization[J]. POLYMER,2007,48(21):6439-6447.
APA Yu, Zhenyang,Yin, Jingbo,Yan, Shifeng,Xie, Yongtao,Ma, Jia,&Chen, Xuesi.(2007).Biodegradable poly(L-lactide)/poly(epsilon-caprolactone)-modified montmorillonite nanocomposites: Preparation and characterization.POLYMER,48(21),6439-6447.
MLA Yu, Zhenyang,et al."Biodegradable poly(L-lactide)/poly(epsilon-caprolactone)-modified montmorillonite nanocomposites: Preparation and characterization".POLYMER 48.21(2007):6439-6447.
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