Highly Toughened and Transparent Biobased Epoxy Composites Reinforced with Cellulose Nanofibrils.

ABSTRACT: Biobased nanofillers, such as cellulose nanofibrils (CNFs), have been widely used as reinforcing fillers for various polymers due to their high mechanical properties and potential for sustainable production. In this study, CNF-based composites with a commercial biobased epoxy resin were prepared and characterized to determine the morphology, mechanical, thermal, and barrier properties. The addition of 18⁻23 wt % of CNFs to epoxy significantly increased the modulus, strength and strain of the resulting composites. The addition of fibrils led to an overall increase in strain energy density or modulus of toughness by almost 184 times for the composites compared to the neat epoxy. The addition of CNFs did not affect the high thermal stability of epoxy. The presence of nanofibrils had a strong

SUBMITTER: Nair SS 

PROVIDER: S-EPMC6523465 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature