期刊
NANOMATERIALS
卷 8, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/nano8110874
关键词
hybrid composites; nanocomposites; mechanical properties; synergism; nanoparticles
类别
资金
- Ministry of Higher Education, Malaysia (MOHE)
- Universiti Kebangsaan Malaysia (UKM) [GUP-2018-028, FRGS/1/2017/STG07/UKM/01/2]
- Zamalah research scheme
The synergistic effect of using kappa-carrageenan bionanocomposites with the hybridization of cellulose nanocrystals (CNCs) and organically modified montmorillonite (OMMT) reinforcements was studied. The effects of different reinforcements and filler contents were evaluated through mechanical testing, and morphological and water uptake properties. The tensile strength and Young's modulus of both bionanocomposites increased with filler loading and optimized at 4%. OMMT incorporation into the kappa-carrageenan/CNCs bionanocomposites resulted in further mechanical property improvement with an optimum ratio of 1:1 (CNCs:OMMT) while maintaining high film transparency. X-ray diffraction and morphological analyses revealed that intercalation occurred between the kappa-carrageenan bionanocomposite matrix and OMMT. The water uptake of the kappa-carrageenan bionanocomposites was significantly reduced by the addition of both CNCs and OMMT. The enhancements in the mechanical properties and performance of the hybrid bionanocomposite indicate compatibility among the reinforcement, biopolymer, and well-dispersed nanoparticles. This renders the hybrid CNC/OMMT/kappa-carrageenan nanocomposites extremely promising for food packaging applications.
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