Synthesis, Characterization, and Thermal Properties of Piezoelectric Polyimides

被引：47
作者：
Gonzalo, B. [1 ]
Vilas, J. L. [2 ]
Breczewski, T. [3 ]
Perez-Jubindo, M. A. [3 ]
De La Fuente, M. R. [3 ]
Rodriguez, M. [2 ]
Leon, L. M. [2 ]
机构：
[1] GAIKER Technol Ctr, Zamudio 48170, Vizcaya, Spain
[2] Univ Basque Country, Fac Ciencia & Tecnol, Dpto Quim Fis, Lab Quim Macromol Labquimac, Leioa, Vizcaya, Spain
[3] Univ Basque Country, Fac Ciencia & Tecnol, Dept Fis Aplicada 2, Leioa, Vizcaya, Spain
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2009年 / 47卷 / 03期
关键词：
high performance polymers; piezoelectricity; polyimides; thermal properties; VINYLIDENE CYANIDE COPOLYMERS; DIELECTRIC RELAXATIONS; ACETATE COPOLYMER; NYLON-11; METHYLACRYLATE; ACRYLONITRILE; POLARIZATION; IMIDIZATION; POLYMERS; FILMS;
D O I：
10.1002/pola.23183
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Three amorphous piezoelectric polyimides have been synthesized and characterized to analyze their utility for high-temperature applications. The studied polyimides have been prepared from 4,4'-oxydiphthalic anhydride and the diamines 2,4-di(3-aminophenoxy)benzonitrile (poly2-4), 2,6-bis(3-aminophenoxy)benzonitrile (poly2-6), and 1,3-bis-2-cyano-3-(3-aminophenoxy)phenoxybenzene (poly2CN). These polyimides differ in the position of the dipolar groups -CN in the aromatic ring (poly2-4 and poly2-6) and in the number of these groups in the repetitive unit (poly26 and poly2CN). The imidization degree has been studied by Fourier transform infrared (FTIR) and thermogravimetry-mass spectrometry (TG-MS) and thermal properties by differential scanning calorimetry (DSC) and thermogravimetry (TG). The piezoelectric behavior has been analyzed from remnant polarization measurements. (C) 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 722-730, 2009
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页码：722 / 730
页数：9
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