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Type: Artigo de periódico
Title: Electrical, spectroscopic, and thermal properties of blends formed by PEDOT, PVC, and PEO
Author: Rinaldi, AW
Matos, R
Rubira, AF
Ferreira, OP
Girotto, EM
Abstract: This study describes the preparation of blends between an amorphous polymer (PVC) and a crystalline polymer (PEO), with a third polymeric part that presents electronic conduction capacity (PEDOT-PSS). Binary (PEO/PVC, PEO/PEDOT-PSS, PVC/PEDOT-PSS) and ternary (PVC/PEO/PEDOT-PSS) blends were prepared by changing the concentrations of the constituents and were analyzed by electronic conductivity, Raman spatial resolution, infrared spectroscopies, and thermogravimetric analysis. The Raman and FTIR analyses showed the incorporation of PEDOT-PSS within the blends. The higher conductivity presented by the ternary blend was 8.6 x 10(-6) Scm(-1), composed of 24% of PVC, 16% of PEO, and 60% of PEDOT-PSS. For binary blends the conductivity was proportional to the PEDOT-PSS content. The thermal stability could be observed through the TG curves of the blends that presented an increase of 19 K in the weight loss temperature at the 10% level when compared to the pure components. (c) 2005 Wiley Periodicals, Inc.
Subject: PVC
conducting polymer
Country: EUA
Editor: John Wiley & Sons Inc
Citation: Journal Of Applied Polymer Science. John Wiley & Sons Inc, v. 96, n. 5, n. 1710, n. 1715, 2005.
Rights: fechado
Identifier DOI: 10.1002/app.21637
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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