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Polymer/clay nanocomposite based coatings for enhanced gas barrier property

 

Mangala Joshi*a, Kushan Banerjeea, Prasanth Raghavana and Vikas Thakareb

 

aDepartment of Textile Technology, Indian Institute of Technology, Hauz-Khas, New Delhi-110016, India

 

 bAerial Delivery Research & Development Establishment, Defence R & D Organisation, Agra Cantt, Agra 282 001, India

 

        This paper aims at exploring the revolutionary filed of nanotechnology and some of its promising aspects in the innovative filed of polymer nanocomposites because they shows substantially improved physical properties as compared to neat polymers. The polymer layers silicate nanocomposites are an important class of hybrid organic inorganic materials with improved mechanical, thermo and thermomechanical properties. They also show superior UV and chemical resistance and are widely being investigated for improving the gas barrier and flame retardant properties. The common synthesis techniques to produce polymeric layered silicate nanocomposites and their feasibility as coatings for textiles to improve the property mix have been discussed along with the improved properties of these materials. Polymer nanocomposite based coatings for enhanced gas barrier properties have also been reviewed. A feasibility study on polymer/clay     nanocomposite based coating for inflatable has been done and it is found that the polyurethane/clay nanocomposite based coated fabric shows an encouraging result on improving the gas barrier property for inflatables.

 

  

            Keywords: Gas barrier property, Layered silicate nanocomposite, Nanocoatings, Polymer nanocomposite, Polyurethane/clay nanocomposite

IPC Code: Int. CI. B82B3/00. C01B33/00



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Dr. Prashanth.R.Krishna, Singapore,
Sep 4, 2010, 11:46 PM
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