Dependence of the phase separation process on the relative onset of network formation in simultaneous interpenetrating polymer networks

Morphology development during the synthesis at room temperature of an interpenetrating polyurethane/poly(methyl methacrylate) network was investigated by small-angle X-ray scattering in relation with their relative kinetics of formation, determined by Fourier transform infra red spectroscopy. When t...

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Veröffentlicht in:Polymer (Guilford) 2005-04, Vol.46 (10), p.3318-3322
Hauptverfasser: Widmaier, Jean-Michel, Nilly, Alexandra, Chenal, Jean-Marc, Mathis, André
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container_title Polymer (Guilford)
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creator Widmaier, Jean-Michel
Nilly, Alexandra
Chenal, Jean-Marc
Mathis, André
description Morphology development during the synthesis at room temperature of an interpenetrating polyurethane/poly(methyl methacrylate) network was investigated by small-angle X-ray scattering in relation with their relative kinetics of formation, determined by Fourier transform infra red spectroscopy. When the time lag between the onset of the two reactions is short, macroscopic phase separation occurs as the polyurethane network is incompletely formed. However, when the time lag increases, the poly(methyl methacrylate) forms into a more continuous network which limits the growth of phase separation to a close environment.
doi_str_mv 10.1016/j.polymer.2005.02.082
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
Exact sciences and technology
Interpenetrating polymer network (IPN)
Organic polymers
Physicochemistry of polymers
Polymerization
Polyurethane
Preparation, kinetics, thermodynamics, mechanism and catalysts
Small angle X-ray scattering (SAXS)
title Dependence of the phase separation process on the relative onset of network formation in simultaneous interpenetrating polymer networks
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