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Studies on Nanostructured Polyurethane/Clay Interpenetrating Polymer Networks

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Abstract:

A novel exfoliated polyurethane (PU)/clay Interpenetrating Polymer Networks (IPNs) nanocomposite has been synthesized with polyurethane and organoclay. MTPAC is used as swelling agent to treat Na-montmorillonite for forming organoclay. The results indicate that there is very good compatibility between organoclay and PU. Nanoscale silicate dispersion was analyzed by XRD. The mechanical properties of the nanocomposites have been measured by tensile testing machine. The nanocomposites show obviously improved physical and mechanical properties when compared with the pure polymer. Additionally, PU /MTPAC- clay shows lower water absorption properties than pure PU do. In addition, the reinforcing and intercalating mechanism of silicate layers in polyurethane matrix are discussed.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1001-1004

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1001

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Online since:

January 2005

Authors:

Ninglin Zhou, Xiao Xian Xia, Li Li, Shao Hua Wei, Jian Shen

Keywords:

Clay, IPN, Nanocomposite, Polyurethane (PU), Swelling Agents

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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