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Nanocristaux d'amidon de maïs cireux pour applications composites

Abstract : Aqueous suspensions of waxy maize starch nanocrystals are obtained by acid hydrolysis of native starch granules. The first objective was to optimize the preparation of such nanocrystals using a response surface methodology. Then, their molecular structure has been studied by enzymatic analysis and their surface chemical modification has been investigated. The second objective was to use these nanocrystals in a polymer matrix. Two natural polymers have been chosen: a latex of natural rubber and thermoplastic starch. Nanocomposite films, processed by casting, have been characterized in terms of morphological, structural, barrier and mechanical properties.
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Contributor : Hélène Angellier <>
Submitted on : Thursday, October 20, 2005 - 3:10:42 PM
Last modification on : Friday, November 6, 2020 - 3:52:39 AM
Long-term archiving on: : Friday, April 2, 2010 - 11:01:36 PM


  • HAL Id : tel-00010699, version 1



Hélène Angellier. Nanocristaux d'amidon de maïs cireux pour applications composites. Matériaux. Université Joseph-Fourier - Grenoble I, 2005. Français. ⟨tel-00010699⟩



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