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Cross-Linking Reactions in Macro-Defect Free Cement Composites

Published online by Cambridge University Press:  15 February 2011

P. G. Desai ,
J. F. Young  and
R. P. Wool
P. G. Desai
Affiliation:
Center for Cement Composite Materials, University of Illinois at Urbana-Champaign.
J. F. Young
Affiliation:
Center for Cement Composite Materials, University of Illinois at Urbana-Champaign.
R. P. Wool
Affiliation:
Center for Cement Composite Materials, University of Illinois at Urbana-Champaign.
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Abstract

The key to the processing and properties of Macro-Defect Free (MDF) cement composites is the interaction between the cement and the polymer. In calcium aluminate (CA) / polyvinyl alcohol (PVA) MDF composites, it has been hypothesized that aluminate (Al(OH)4−) ions released from the cement cross-link PVA in a manner similar to the well known interaction of the borate (B(OH)4−) ions with PVA. In this investigation, stable aluminate/PVA solutions at different concentrations have been studied. Results indicate that the nature of interaction of aluminate ions is not similar to that of borate ions in dilute and semidilute polymer solutions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 245: Symposium K – Advanced Cementitious Systems: Mechanisms and Properties , 1991 , 179
Copyright
Copyright © Materials Research Society 1992

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References

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