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Synergetic behavior of low Tg polybutadiene polymers and polysiloxanes as components for glass fiber sizing in composite materials

Authors

  • Katherine M. Danner,

    1. 201 Composites Manufacturing Science Laboratory, Center for Composite Materials, University of Delaware, Newark, Delaware 19716-3144
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  • Moutushi Dey,

    1. 201 Composites Manufacturing Science Laboratory, Center for Composite Materials, University of Delaware, Newark, Delaware 19716-3144
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  • Quinn P. McAllister,

    1. 201 Composites Manufacturing Science Laboratory, Center for Composite Materials, University of Delaware, Newark, Delaware 19716-3144
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  • Robert J. Barsotti,

    1. Arkema Inc., 900 First Avenue, King of Prussia, Pennsylvania 19406-0938
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  • Denis A. Kissounko

    Corresponding author
    1. 201 Composites Manufacturing Science Laboratory, Center for Composite Materials, University of Delaware, Newark, Delaware 19716-3144
    • 201 Composites Manufacturing Science Laboratory, Center for Composite Materials, University of Delaware, Newark, Delaware 19716-3144
    Search for more papers by this author

Abstract

The effect of low Tg polybutadiene (PBD) rubbery polymer as a part of polysiloxane/PBD E-glass fibers sizing on mechanical properties of a corresponding epoxy composite material has been evaluated by the punch shear test technique. The results show that the use of hydroxyl terminated PBD led to significant increase in interface shear strength, energy absorption, as well as dynamic modulus and Tg in a corresponding composite material. The sizing composition and fiber morphology were characterized by FTIR spectroscopy and AFM microscopy, respectively. Possible rational for such sizing composition/material property relationship is discussed. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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