Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/101688
Type: Artigo de evento
Title: Polymer Electrostatics: Detection And Speciation Of Trapped Electric Charges By Electric Probe And Analytical Electron Microscopy
Author: Galembeck F.
Leite C.A.P.
Da Silva M.D.C.V.M.
Keslarek A.J.
Costa C.A.R.
Teixeira-Neto E.
Rippel M.M.
Braga M.
Abstract: This work reviews new probe and electron microscopy approaches for the detection of charged domains in insulating polymers, as well as for the identification of the charge-bearing species: scanning electric potential microscopy (SEPM), electric force microscopy (EFM) and energy-loss spectroscopy imaging in the transmission electron microscope (ESI-TEM). The SEPM and EFM micrographs show patterned domains bearing excess electric charges and extending for tens of nanometers, in polymer latex particles and films. The charged species are identified by ESI-TEM as emulsion polymerization initiator and surfactant residues, as well as the associated counter-ions. Charged domains are also observed in common thermoplastic polymers, producing unexpectedly large electric potential gradients.
Editor: 
Rights: fechado
Identifier DOI: 10.1002/masy.200290003
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0036875110&partnerID=40&md5=6324383bedb766c309548fbfb436b863
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

Files in This Item:
File Description SizeFormat 
2-s2.0-0036875110.pdf749.29 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.