Effect of different preparation routes on the structure and properties of rigid polyurethane-layered silicate nanocomposites

Woo, T., Halley, P., Martin, D. and Kim, D. S. (2006) Effect of different preparation routes on the structure and properties of rigid polyurethane-layered silicate nanocomposites. Journal of Applied Polymer Science, 102 3: 2894-2903. doi:10.1002/app.24787


Author Woo, T.
Halley, P.
Martin, D.
Kim, D. S.
Title Effect of different preparation routes on the structure and properties of rigid polyurethane-layered silicate nanocomposites
Journal name Journal of Applied Polymer Science   Check publisher's open access policy
ISSN 0021-8995
1097-4628
Publication date 2006-11-05
Sub-type Article (original research)
DOI 10.1002/app.24787
Volume 102
Issue 3
Start page 2894
End page 2903
Total pages 10
Editor Anne Hiltner
Eric Baer
Place of publication Hoboken, NJ, U.S.A.
Publisher Wiley
Collection year 2006
Language eng
Subject C1
321025 Rehabilitation and Therapy - Hearing and Speech
730303 Occupational, speech and physiotherapy
0303 Macromolecular and Materials Chemistry
0904 Chemical Engineering
0912 Materials Engineering
Abstract To identify the effect of reactive preparation on the structure and properties of rigid polyurethane (PU)layered silicate nanocomposite, a range of nanocomposites were prepared by combining the various precursors in different sequences. The morphology of the samples was characterized by XRD and TEM. Tensile properties and dynamic mechanical thermal properties were measured. The reactions between the layered silicates and PU precursors were monitored via FTIR to gain an understanding of the participation of nanofiller in the polymerization reaction, and the impact of this on system stoichiometry. The XRD and TEM results provided evidence that morphology can differ significantly if different synthesis methods are used. However, the mechanical properties are dominated by the stoichiometry imbalance induced by the addition of the layered silicates. (c) 2006 Wiley Periodicals, Inc.
Keyword Polyurethane
Nanocomposite
Thermoset
Polymer Science
Melt Intercalation
Diffraction
Model
Polymer Science
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 08:40:32 EST