Viscoelastic behavior of poly (methyl methacrylate) networks with different cross-linking degrees

NM Alves, JL Gómez Ribelles… - …, 2004 - ACS Publications
The influence of the cross-linking degree on the dynamics of the segmental motions close to
the glass transition of poly (methyl methacrylate), PMMA, networks was investigated by three …

Huge, millicoulomb charge storage in ceramic hydroxyapatite by bimodal electric polarization

M Ueshima, S Nakamura, K Yamashita - Advanced Materials, 2002 - Wiley Online Library
Ceramic hydroxyapatite stores up to 1.2 mC/cm2 of charge if the electret is poled at high
temperature and cooled down in the presence of a field. This extraordinary storage capacity …

Investigation for surface modification of polymer as an insulator layer of organic FET

S Uemura, M Yoshida, S Hoshino, T Kodzasa… - Thin Solid Films, 2003 - Elsevier
We have investigated a double layer structured polymer gate dielectric for the organic field-
effect transistor (FET) with the purpose of improving the performance of the polymer gate …

Effects of curing agent on conductivity, structural and dielectric properties of an epoxy polymer

W Jilani, N Mzabi, N Fourati, C Zerrouki… - Polymer, 2015 - Elsevier
Two epoxy polymers were prepared by curing the diglycidyl ether of bisphenol A (DGEBA)
epoxy resin with two hardeners: the ethylenediamine (EDA) and the 3, 3′-diaminodiphenyl …

Scanning electric potential microscopy imaging of polymers: electrical charge distribution in dielectrics

A Galembeck, CAR Costa, M Da Silva, EF Souza… - Polymer, 2001 - Elsevier
Scanning electric potential images of polymer surfaces are presented and compared to
standard non-contact AFM images. Samples used were a latex film with a well-known …

A comparative study of structural and dielectric properties of diglycidyl ether of bisphenol A (DGEBA) cured with aromatic or aliphatic hardeners

W Jilani, N Mzabi, N Fourati, C Zerrouki… - Journal of Materials …, 2016 - Springer
This study aims to present structural and dielectric comparisons between two epoxy
polymers. These polymers are realized by curing diglycidyl ether of bisphenol A (DGEBA) …

Interfacial polarization in piezoelectric fibre–polymer composites

M Arous, H Hammami, M Lagache, A Kallel - Journal of non-crystalline …, 2007 - Elsevier
Polymer composites of an epoxy resin matrix filled with PZT fibres were studied by means of
dielectric spectroscopy in the frequency range 0.1 Hz to 100kHz and temperature interval …

Space charge relaxation in polyetherimides by the electric modulus formalism

M Mudarra, J Belana, JC Canadas, JA Diego… - Journal of Applied …, 2000 - pubs.aip.org
Dynamic electrical analysis shows that at high temperatures (above the glass transition
temperature), the electrical properties of polyetherimide are strongly influenced by space …

Thermally stimulated depolarization current and dielectric spectroscopy used to study dipolar relaxations and trap level distribution in PMMA polymer

F Namouchi, W Jilani, H Guermazi - Journal of Non-Crystalline Solids, 2015 - Elsevier
In this work, thermally stimulated depolarization current (TSDC) and dielectric relaxation
spectroscopy (DRS) techniques were performed in complementarities to characterize the …

Dielectric relaxations investigation of a synthesized epoxy resin polymer

W Jilani, N Mzabi, O Gallot-Lavallée, N Fourati… - The European Physical …, 2015 - Springer
A diglycidylether of bisphenol A (DGEBA) epoxy resin was synthesized, and cured with 3,
3′-diaminodiphenyl sulfone (DDS) at a curing temperature of 120° C. The relaxation …