Eu3+ complex/polyimide nanocomposites: Improvement in mechanical and thermal properties

A series of Eu3+‐doped polyimide nanocomposites were successfully prepared via the solution process. X‐ray diffraction, differential scanning calorimetric analysis, thermogravimetric analysis, transmission electron microscopic analysis, universal testing, and ellipsometry were used to characterize t...

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Bibliographic Details
Published in:Journal of applied polymer science 2002-12, Vol.86 (11), p.2707-2712
Main Authors: Bian, Li-Juan, Qian, Xue-Feng, Yin, Jie, Zhu, Zi-Kang, Lu, Qing-Hua
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
inorganic materials
nanocomposites
polyimides
Polymer industry, paints, wood
Technology of polymers
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Summary:A series of Eu3+‐doped polyimide nanocomposites were successfully prepared via the solution process. X‐ray diffraction, differential scanning calorimetric analysis, thermogravimetric analysis, transmission electron microscopic analysis, universal testing, and ellipsometry were used to characterize the nanocomposites. TEM results indicated that rare earth particles were homogeneously dispersed in the polyimide matrix with a size of about 20 nm. The introduction of the rare earth complex led to an increase in the glass transition temperature, thermal stability, size stability, and a marked increase in the tensile strength and storage modulus. The addition of the rare earth complex also increased the refractive index of the nanocomposites. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 86: 2707–2712, 2002
ISSN:0021-8995
1097-4628
DOI:10.1002/app.11231