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Title of Journal: J Wuhan Univ TechnolMat Sci Edit

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Abbravation: Journal of Wuhan University of Technology-Mater. Sci. Ed.

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Wuhan University of Technology

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DOI

10.1007/bf02235539

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1993-0437

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Preparation and characterization of polylactide/mo

Authors: Xuanjun Wu Jizu Yuan Yongfu Yu Yanxiong Wang
Publish Date: 2009/07/22
Volume: 24, Issue: 4, Pages: 562-565
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Abstract

The montmorillonite a form of layered silicate was successfully intercalated into polylactide PLA matrix through solventcasting technique In addition PLA/MMT nanocomposite films were produced in which homogenous distribution of the silicate lamellae plays a key role in the mechanical properties of the films A small amount5wt of OMMT intercalated into the PLA matrix resulted in their flexibility enhancement from 368pure PLA film to 35265 The results of wideangle Xray diffraction WAXD patterns confirmed that the silicate interlayer distance increased from 3044 nm for OMMT to 356nm for 5wt maximum with increasing OMMT contents but decreased to 3319 nm when OMMT content was over 8wt FTIR also verified the molecularlevel associations between PLA chains and OMMT lamellae by vibration variances of hydrogen bonding DSC thermograms demonstrated that thermal stabilities of the nanocomposite films enhanced due to the silicate lamellae dispersed into PLA matrix

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