Journal
POLYMER
Volume 42, Issue 3, Pages 873-877Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(00)00411-0
Keywords
montmorillonite; poly(etherimide); nanocomposites
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Polyimide-MMT (montmorillonite) nanocomposites has been prepared by melt blending an organo-modified MMT with a thermoplastic poly(etherimide) (PEI) in an internal mixer. The dispersion of the MMT layers within the PEI matrix was verified using X-ray diffraction and transmission electron microscopy, revealing an exfoliation morphology. Owing to the molecular dispersion of the MMT layers and the strong interaction between PEI and MMT, the nanocomposites exhibited a substantial increase at glass transition temperature and thermal decomposition temperature, and a dramatic decrease in solvent uptake compared to the virgin PEI. (C) 2000 Elsevier Science Ltd. All rights reserved.
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