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Investigators at Grenoble Institute of Technology Detail Findings in Applied Polymer Science

June 3, 2014

By a News Reporter-Staff News Editor at Journal of Technology -- Current study results on Applied Polymer Science have been published. According to news reporting out of St. Martin Dheres, France, by VerticalNews editors, research stated, "Starch nanocrystals (SNC) are nanofillers of growing interest for barrier and mechanical improvement of bio-based polymers. However, their potential use as fillers for organic coating material of industrial packaging has never been investigated."

Our news journalists obtained a quote from the research from the Grenoble Institute of Technology, "In this study, SNC processability in coating is assessed and the final properties of coated papers are measured. Coating colors composed of plasticized starch show higher Brookfield viscosity when filled with SNC even with the addition of water but rod-coating is still possible. These diluted water-based coatings induce paper wetting and surface crackling issues during drying as proved by drying process analysis. However no gelatinization of the SNC is observed whichever the type of drying."

According to the news editors, the research concluded: "SNC compensate some of the water induced loss of mechanical properties of the base paper and decrease the water vapor permeability (WVP) up to 40% compared with the base paper."

For more information on this research see: All Starch Nanocomposite Coating for Barrier Material. Journal of Applied Polymer Science, 2014;131(3):585-591. Journal of Applied Polymer Science can be contacted at: Wiley-Blackwell, 111 River St, Hoboken 07030-5774, NJ, USA. (Wiley-Blackwell -; Journal of Applied Polymer Science -

Our news journalists report that additional information may be obtained by contacting D. LeCorre, Grenoble Inst Technol, Int Sch Paper Print Media & Biomat Pagora, F-38402 St Martin Dheres, France. Additional authors for this research include A. Dufresne, M. Rueff, B. Khelifi and J. Bras.

Keywords for this news article include: France, Europe, St. Martin Dheres, Applied Polymer Science

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Source: Journal of Technology

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