Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 42, Issue 1, Pages 41-49Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2010.10.004
Keywords
Resins; Nanocomposites; Mechanical properties; Electron microscopy
Funding
- US National Science Foundation [CMS-0409666]
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Bio-based nanocomposites, defined as blends of petroleum and vegetable oil resins reinforced with nanoparticles, can lead to synergistic material property enhancement; and evaluation of their performance and limits can allow for their optimal design. An array of 12 nanocomposite designs with up to 30% epoxidized methyl linseedate (EML) and up to 5.0 wt.% nanoclay in unsaturated polyester were manufactured using a solvent-based technique. Mechanical, thermal and diffusion properties of resulting composites were experimentally characterized. Reduction of mechanical and transient properties due to bio-resin blending were recovered by the addition of nanoclay for EML contents of up to 20%, while 30% EML composites showed little improvement. Systems with 2.5 wt.% nanoclay and up to 20% EML showed optimal performance with balanced properties and processing ease. The developed eco-friendly bio-based nanocomposites exhibit good stiffness-toughness balance along with improvements in other mechanical and transient properties, thereby showing potential for use in structural applications. (C) 2010 Elsevier Ltd. All rights reserved.
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