Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 113, Issue 5, Pages 3417-3425Publisher
WILEY
DOI: 10.1002/app.30308
Keywords
mechanical properties; nanocomposites
Categories
Funding
- National Natural Science Foundation of China [50843031]
- Societe Francaise d'Exportation des Ressources Educatives
- Program of Energy Research and Development of Canada
- Agricultural Bioproducts Innovation Program of Canada via the Pulse Research Network
- Youth Chenguang Program of Science and Technology in Wuhan [200850731383]
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology [200514, 200716]
- Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences [LCLC-2005-172, LCLC-2008-02]
Ask authors/readers for more resources
In this work, polysaccharide nanocrystals-rodlike cellulose whiskers (CWs)-were surface-grafted with polycaprolactone (PCL) via microwave-assisted ring-opening polymerization, and filaceous cellulose whisker-graft-polycaprolactone (CW-g-PCL) nanoparticles were produced. Moreover, the resultant nanoparticles were incorporated into poly(lactic acid) (PLA) as a matrix, and they showed superior function for enhancing the mechanical performance of PLA-based materials in comparison with platelet-like nanoparticles of starch nanocrystal-graft-PCL. The optimal loading level of CW-g-PCL was 8 wt %, and this resulted in simultaneous enhancements of the strength and elongation of approximately 1.9- and 10.7-fold, respectively, over those of the neat PLA material. In this case, the rigid CW nanoparticles contributed to the endurance of higher stress, whereas the grafted PCL chains improved the association between the PLA matrix and the CW-g-PCL filler and hence facilitated the transfer of stress to the rigid CW nanoparticles. Furthermore, such a fully biodegradable PLA-based nano-composite shows great potential for environmentally friendly materials because of its high mechanical performance. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 113: 3417-3425, 2009
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available