Journal of Materials Science

, Volume 42, Issue 16, pp 6590–6599 | Cite as

Blending properties of poly(vinyl alcohol) and nylon 6-clay nanocomposite blends



An investigation of the blending, rheological and tensile properties of poly(vinyl alcohol) (PVA) and nylon 6 clay (NYC) nanocomposite blends was conducted. The characteristics of melting endotherm, X-ray diffraction patterns of α form PVA crystals and hydrogen-bonded hydroxyl groups originally associated with the PVA resin almost disappear after blending less than 16.7 wt% of PVA in NYC resins. However, the characteristics of melting endotherm, X-ray diffraction of α form PVA crystals and hydrogen-bonded hydroxyl groups originally associated with the PVA resins appear gradually as the PVA contents of NYC/PVA specimens are more than 16.7 wt%. The torques vs. time measurements and tensile properties of NYC/PVA specimens support the ideas that PVA molecules are miscible with PA molecules to some extents in the molecular level as the PVA contents of NYC/PVA specimens are less than 16.7 wt%. Moreover, the additional demarcated humps and significantly increased torques and “stabilized” time values support the presence of separated PVA phases in NYC/PVA specimens as their PVA contents are more than 50 wt%. On the other hand, the α form PA crystals continue to grow at the expense of γ form PA crystals as the PVA contents of NYC/PVA specimens increase, and the characteristics of the γ form PA crystals originally shown on the melting endotherm and X-ray diffraction patterns of the NYC resin can barely be seen as the PVA contents of NYC/PVA specimens are equal to or more than 50 wt%. Possible reasons accounting for these interesting blending properties are proposed.


Differential Scanning Calorimetry Thermogram Melting Endotherm Silicate Sheet Peak Diffraction Angle Peak Wave Number 
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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Faculty of Chemistry and Material ScienceHubei UniversityWuhanChina
  2. 2.Graduate School of Polymer EngineeringNational Taiwan University of Science and TechnologyTaipeiTaiwan
  3. 3.Department of Textile EngineeringNanya Institute of TechnologyJungliTaiwan

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