Phase structure, composition and orientation of PC/PSAN blends studied by Raman spectroscopy, confocal Raman imaging spectroscopy and polarised PA-FTIR spectroscopy

Authors
Schmidt, P Kolarik, J Lednicky, F Dybal, J Lagaron, JM Pastor, JM
Citation
P. Schmidt et al., Phase structure, composition and orientation of PC/PSAN blends studied by Raman spectroscopy, confocal Raman imaging spectroscopy and polarised PA-FTIR spectroscopy, POLYMER, 41(11), 2000, pp. 4267-4279
Citations number
18
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
POLYMER
ISSN journal
00323861 → ACNP
Volume
41
Issue
11
Year of publication
2000
Pages
4267 - 4279
Database
ISI
SICI code
0032-3861(200005)41:11<4267:PSCAOO>2.0.ZU;2-V
Abstract
Polycarbonate(PC)/ poly(styrene-co-acrylonitrile)(PSAN) blends were investi gated by Raman and confocal Raman imaging spectroscopy, revealing the exist ence of two-phase (PC-rich and PSAN-rich) microdomain structure. This struc ture is coarser in blends with comparable component contents. During cold d rawing the microdomains are strongly extended. As follows from polarised ph otoacoustic FTIR spectroscopy, a substantial orientation of PC chains occur s, as opposed to PSAN chains which orient only slightly. (C) 2000 Elsevier Science Ltd. All rights reserved.