Comparison of nanocrystalline cellulose and fumed silica in latex coatings
作者： Tiffany Abitbol , Brian Geoffrey Prevo , Christopher Galli , Saeed Choudhary , Jessica Corwin
关键词: Polymer 、 Izod impact strength test 、 Fumed silica 、 Nanomaterials 、 Materials science 、 Composite material 、 Percolation threshold 、 Nanocomposite 、 Nanocrystalline material 、 Cellulose
摘要: Exploratory work has been undertaken to compare the performance of nanocrystalline cellulose (NCC) with fumed silica in styrene/acrylic latex coatings. NCC emerged as a promising candidate for reinforcement polymeric materials because its impressive mechanical properties and renewable nature. However, better understanding nanocomposites, compared more conventional silica-filled systems, is critical identify feasible commercial applications NCC. While dispersion nanomaterials polymer matrices often challenge, by working hydrophilic nanoparticles waterborne latex, authors demonstrate that both were dispersed coatings (up 9 wt% loadings). The hardness, elastic modulus, resistance plastic deformation impact strength similar types at loadings below percolation threshold (~3 wt%); however, NCC-filled was ...
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