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You are here: Home > Technique > Processes > Future of fibre based biomaterials for packaging > Preparation of poly(styrene-co-hexylacrylate)/ Cellulose whiskers nanocomposites via Miniemulsion Polymerization | Update: August 31, 2009 |  |
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Future of fibre based biomaterials for packaging |
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| Researchers of the Laboratory of Pulp & Paper
Science (LGP2) (Grenoble INP-Pagora, Grenoble INP, CNRS, CTP) (September 2009) |
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Posters realized for the
8th
Pagora Days "Future of fibre based biomaterials for packaging?" in July 2009 by the LGP2 researchers with their research partners and coordinated by Deborah Le Corre |
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A stable aqueous nanocomposite dispersion based on cellulose whiskers and a poly(styreneco-hexylacrylate) matrix was prepared via miniemulsion polymerization. Cellulose nanocrytals suspension was mixed with monomers phase in presence of anionic surfactant and a stabilizing additive acting as a hydrophobe. After sonication for a short time to obtain a stable emulsion of small droplet (60-100 nm), polymerisation reaction was trigged by the addition of the initiator.
The nanocomposite dispersion was characterized using light scattering and transmission electron microscopy (TEM). Films obtained by water evaporation and particle coalescence were investigated using dynamic mechanical analysis (DMA) and differential scanning calorimetry (DSC). It was found that the final nanocrystals composite is stable for months.
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