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X-ray photoelectron spectroscopy studies of bond structure between polyvinyl alcohol and a titanate cross-coupling agent

Published online by Cambridge University Press:  03 March 2011

Mehmet A. Gülgün ,
Oludele O. Popoola  and
Waltraud M. Kriven
Mehmet A. Gülgün
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 105 S. Goodwin Avenue, Urbana, Illinois 61801
Oludele O. Popoola*
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 105 S. Goodwin Avenue, Urbana, Illinois 61801
Waltraud M. Kriven
Affiliation:
Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 105 S. Goodwin Avenue, Urbana, Illinois 61801
*
a)Present address: Material Systems Rcliability Department, Ford Research Laboratory, Dearborn, Michigan 48121.
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Abstract

Chemical interactions between polyvinyl alcohol (PVA) and triethanol amine titanate chelate were studied using x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). The titanate chelate cross coupled the PVA solution and produced a viscous gel. The gel had a three-dimensional network structure containing -CPVA-O-Ti-O-CPVA- organic complexes. A new C(ls) signature at 285.7 eV and an O(ls) signature at 531.25 eV were associated with the formation of these complexes. The water of the PVA solution was physically retained in the gelled structure and was readily available for chemical reactions. The removal of this entrapped water was irreversible and led to a collapsed film of Ti-cross-linked PVA.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 6 , June 1995 , pp. 1565 - 1571
Copyright
Copyright © Materials Research Society 1995

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