Impact of controlled hydrophobicity of the organically modified silicates on the properties of biomedical thermoplastic polyurethane (TPU) nanocomposites

Osman, Azlin Fazlina, Halley, Peter and Martin, Darren (2013). Impact of controlled hydrophobicity of the organically modified silicates on the properties of biomedical thermoplastic polyurethane (TPU) nanocomposites. In: Ruhiyuddin Mohd Zaki, Faizul Che Pa and Murizam Darus, 2nd International Conference on Sustainable Materials (ICoSM 2013). 2nd International Conference on Sustainable Materials (ICoSM 2013), Penang, Malaysia, (9-13). 26-27 March 2013. doi:10.4028/www.scientific.net/AMR.795.9

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Author Osman, Azlin Fazlina
Halley, Peter
Martin, Darren
Title of paper Impact of controlled hydrophobicity of the organically modified silicates on the properties of biomedical thermoplastic polyurethane (TPU) nanocomposites
Conference name 2nd International Conference on Sustainable Materials (ICoSM 2013)
Conference location Penang, Malaysia
Conference dates 26-27 March 2013
Proceedings title 2nd International Conference on Sustainable Materials (ICoSM 2013)   Check publisher's open access policy
Journal name Advanced Materials Research   Check publisher's open access policy
Place of Publication Stafa-Zurich, Switzerland
Publisher Trans Tech
Publication Year 2013
Year available 2013
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/AMR.795.9
ISBN 9783037858110
ISSN 1022-6680
Editor Ruhiyuddin Mohd Zaki
Faizul Che Pa
Murizam Darus
Volume 795
Start page 9
End page 13
Total pages 5
Language eng
Abstract/Summary The impact of nanofiller surface modifications and hydrophobicity on the morphology and mechanical properties of the biomedical TPU nanocomposites was studied. We show that incorporating nanofillers with higher hydrophobicity promotes better dispersion of nanofiller in TPU matrix due to greater interaction between the nanofiller and the hydrophobic PDMS soft segment in this ElastEon TPU system. The nanocomposite with the most hydrophobic surface modification demonstrates the best nanofiller dispersion and intercalation and hence resulted in an overall best mechanical and thermomechanical properties when incorporated in 2 wt%. These findings show that the polarity matching between the TPU and the nanofiller determines the nanofiller-TPU interactions and thus the mechanical properties of the produced nanocomposites.
Subjects 2200 Engineering
Keyword Nanocomposites
Organically modified silicates
Thermoplastic polyurethane
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Conference Paper
Sub-type: 2Nd International Conference On Sustainable Materials (Icosm 2013)
Collections: Official 2014 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Fri, 29 Nov 2013, 06:55:22 EST by System User on behalf of Aust Institute for Bioengineering & Nanotechnology