Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 91, Issue -, Pages 105-116Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.09.020
Keywords
Polymer-matrix composites (PMCs); Rheological properties; Impact behavior
Funding
- National Natural Science Foundation of China [51473137, 51203129]
- Fundamental Research Funds for the Central Universities [2682016ZDPY09]
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Toughening modification is always one of the main subjects of structural materials. A small quantity of dicumyl peroxide (DCP) and carbon nanotubes (CNTs) were simultaneously introduced into an immiscible poly(L-lactide)/poly(ethylene vinyl acetate) (PLLA/EVA) blend through melt compounding processing. The presence of chemical cross-linking structure in the polymer components and the physical network of CNTs were demonstrated through a series of direct and indirect characterization methods. The results demonstrated that DCP and CNTs exhibited synergistic toughening effects and the dynamically vulcanized blend composites exhibited excellent impact toughness. This work provides an alternative way to improve the impact toughness of an immiscible polymer blends. (C) 2016 Elsevier Ltd. All rights reserved.
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