Investigation of the architecture of new cellulose nanocrystals/polymer multilayers
Cellulose nanocrystals (CNCs) are crystalline rodlike nanoparticles that are highly attractive candidates for the preparation of high-performance biobased materials. The layer-by-layer assembly was thus used to build thin nanocomposite films consisting of multiple layers alternating CNCs and polymer chains, which exhibit interesting mechanical or optical properties. The proposed experiment aims at the detailed characterization of the out of plane structure of various new CNCs/polymer films using neutron reflectivity. The structure of the films will be tuned by varying different parameters, namely the geometry and aspect ratio of the CNCs using two different cellulose sources, the nature and strength of the CNCs-polymer interaction (e.g. electrostatic or non-electrostatic) and the number of CNCs/polymer bilayers. This strategy should lead to unseen architectures that will alow us to broaden the physical properties and applications of the films. This study will benefit from the intracrystalline deuteration and from the high momentum tranfer range provided by the high flux ILL reactor.
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JEAN Bruno; HEUX Laurent; MARTIN Clelia and WATKINS Erik. (2013). Investigation of the architecture of new cellulose nanocrystals/polymer multilayers. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-12-333
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