DI-UMONS : Dépôt institutionnel de l’université de Mons

Recherche transversale
Rechercher
(titres de publication, de périodique et noms de colloque inclus)
2006-07-30 - Article/Dans un journal avec peer-review - Anglais - 4 page(s)

Cossement D., Gouttebaron R., Cornet V., Viville Pascal , Hecq Michel, Lazzaroni Roberto , "PLA-PMMA Blends: A Study by XPS and ToF-SIMS" in Applied Surface Science, 252, 19, 6636-6639

  • Edition : Elsevier Science, Amsterdam (The Netherlands)
  • Codes CREF : Chimie quantique (DI1321), Optique (DI1250), Chimie des solides (DI1316), Physique des plasmas (DI1233)
  • Unités de recherche UMONS : Chimie des matériaux nouveaux (S817), Chimie des interactions plasma-surface (S882)
  • Instituts UMONS : Institut de Recherche en Science et Ingénierie des Matériaux (Matériaux)
Texte intégral :

Abstract(s) :

(Anglais) This paper reports which are the possibilities of quantification by time of flight secondary ion mass spectrometry (ToF-SIMS) for some polymer blends. In order to assess the composition of the mixtures, we studied first different poly(L-lactide)/polymethylmethacrylate (PLA/PMMA) blends by X-ray photoelectron spectroscopy (XPS), this technique being quantitative. By XPS fitting of the C Is level, we found a very good agreement of the measured concentrations with the initial compositions. Concerning ToF-SIMS data treatment, we used principal component analysis (PCA) on negative spectra allowing to discriminate one polymer from the other one. By partial least square regression (PLS), we found also a good agreement between the ToF-SIMS predicted and initial compositions. This shows that ToF-SIMS, in a similar way to XPS, can lead to quantitative results. In addition, the observed agreement between XPS (60-100 Å depth analyzed) and ToF-SIMS (10 Å depth analyzed) measurements show that there is no segregation of one of the two polymers onto the surface.

Notes :
  • (Anglais) Lecture en ligne: http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6THY-4K07FFJ-6-C&_cdi=5295&_user=532054&_pii=S0169433206003886&_origin=search&_coverDate=07%2F30%2F2006&_sk=997479980&view=c&wchp=dGLbVzb-zSkzS&md5=4c818aa7d3bb59ea491c25ce3efd0a42
  • (Anglais) Publié en ligne le 18 mai 2006
Identifiants :
  • DOI : 10.1016/j.apsusc.2006.02.225