01814naa a2200253 a 450000100080000000500110000800800410001902400260006010000190008624501950010526000090030030000140030952010170032365300270134065300180136765300080138570000220139370000180141570000200143370000200145370000220147370000220149577300430151721216462022-08-16       2020    bl uuuu     u00u1 u    #d7 a10.1002/pc.254932DOI1 aCORRÊA, A. C.  aCellulose nanocrystals from curaua fibers and poly [ethylene-co-(vinyl acetate)] nanocompositesbEffect of drying process of CNCs on thermal and mechanical properties.h[electronic resource]  c2020  a1736-1748  aPoly[ethylene-co-(vinyl acetate)] (EVA) and cellulose nanocrystals (CNCs)from curaua fibers were used to obtain nanocomposites. Due to polarity thatacetate groups promote in EVA, they tend to present better affinity with cellu-lose nanostructures without compatibilizers. In addition, the influence of thedrying conditions of CNCs suspension on their dispersion through the matrixwas also evaluated. CNCs were obtained via acid hydrolysis in a mixture of sul-furic and hydrochloric acids. Part of CNCs in neutral suspension was freeze-dried and part was dried in an oven with air circulation. The dried CNCs wereincorporated into EVA at concentrations of 1, 3, and 5 wt% of each CNCs. Thecompositions were processed in a corotating twin-screw extruder and injectionmolded. Morphological results showed better dispersion and adhesion offreeze-dried nanocrystals into EVA, and these nanocomposites also presentedincrease in elastic modulus and elongation at break, resulting in more resilientand elastic materials.  aCellulose nanocrystals  aDrying effect  aEVA1 aTEODORO, K. B. R.1 aSIMÃO, J. A.1 aCLARO, P. I. C.1 aTEIXEIRA, E. M.1 aMATTOSO, L. H. C.1 aMARCONCINI, J. M.  tPolymer Compositesgv. 41, n. 5, 2020.