Journal
POLYMER ENGINEERING AND SCIENCE
Volume 58, Issue 2, Pages 125-132Publisher
WILEY
DOI: 10.1002/pen.24539
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Funding
- BIOPURFIL Project, EC [PIRSES-GA-2012-318996]
- National Research Council of Republic Argentina (CONICET) [PIP 0866]
- Science and Technology National Promotion Agency (ANPCyT) [PICT2014-0732]
- National University of Mar del Plata (UNMdP) [15/G430-ING436/15]
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Cellulose nanocrystals (CNC) obtained by acidic hydrolysis from microcrystalline cellulose were dispersed in a biopolyurethane matrix to prepare composite films. The polyurethane was prepared from a hydroxylated soybean oil (SO-OH) and a polymeric diphenyldiisocyanate (pMDI), using a organotin compound as the catalyst. The composite films contained different concentrations of nanocelullose, without any macroscopic aggregates in all cases. Thermal, tensile and dynamic mechanical properties of the films were determined for all the samples. In particular, it was observed that the glass transition temperature of the nanocomposites slightly increased with the concentration of the cellulose nanocrystals. The nanocomposite with 1 wt% of nanocellulose showed the highest tensile strength of the series. POLYM. ENG. SCI., 58:125-132, 2018. (c) 2017 Society of Plastics Engineers
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