Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12869
Title: Properties of intercalated montmorillonite/poly(vinylidene fluoride-trifluoroethylene) nanocomposites
Authors: Yang, Y
Chan, HLW 
Choy, CL 
Issue Date: 2005
Source: Integrated ferroelectrics, 2005, v. 69, p. 239-246
Abstract: Montmorillonite (MMT)/poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) 0-3 nanocomposites with 1 wt% and 4 wt% of MMT embedded in a P(VDF-TrFE) matrix have been fabricated. Na+-MMT was first modified with cetyltrimethylammonium bromide (CTAB) before being incorporated into the P(VDF-TrFE) (80/ 20 mol%) eopolymer. The composites were characterized by means of X-ray diffractometry and differential scanning calorimetry (DSC). The relative permittivity, polarization hysteresis, piezoelectric coefficient and pyroelectric coefficient have also been measured. The X-ray diffraction patterns show that P(VDF-TrFE) copolymer chains have been intercalated into the layered nanostructures of the CTAB treated MMT. The DSC thermograms indicate that the Curie temperature of the nanocomposites is higher than that of the pure copolymer. The relative permittivity and remnant polarization of the nanocomposites are found to increase with the amount of MMT. The piezoelectric coefficient and pyroelectric coefficient are also enhanced in the MMT/P(VDF-TrFE) nanocomposites.
Keywords: Intercalation
Nanocomposite
P(VDF-TrFE)
Publisher: Taylor & Francis
Journal: Integrated ferroelectrics 
ISSN: 1058-4587
EISSN: 1607-8489
DOI: 10.1080/10584580590898857
Description: 16th International Symposium on Integrated Ferroelectrics, ISIF-16, Gyeongju, 5-8 April 2004
Appears in Collections:Conference Paper

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