Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
-
Siti Hajar Othman
,
Nurhafiqa Hassan
Abstract
The usage of biopolymers in developing biodegradable materials for applications that meet demands in society for sustainability and environmental safety has been limited due to the poor mechanical and thermal properties of biopolymers. This study aimed to improve the limited properties of biopolymers, particularly polylactic acid (PLA) films, by investigating the effect of incorporating different concentrations (0–5 wt.%) of halloysite nanoclay and by adding glycerol plasticiser on the mechanical properties (tensile strength, elongation at break, Young’s modulus, and toughness) and thermal properties (glass temperature (Tg), melting temperature (Tm), and crystalline temperature (Tc)) of the produced bio-nanocomposite films. It was found that the addition of halloysite nanoclay and glycerol improved the mechanical and thermal properties of the films. PLA films incorporated with 3 wt.% concentration of halloysite nanoclay resulted in optimum mechanical properties due to the uniform distribution or dispersion of halloysite nanoclay. The addition of halloysite nanoclay and glycerol reduced the Tg, Tm, and Tc of the films, suggesting that they can improve the processability of the biopolymer. The bio-nanocomposite films produced in this work have the potential to replace non-biodegradable films due to the improved properties of the films.
Acknowledgments
This work was financially supported by the Science Fund, Ministry of Science, Technology and Innovation Malaysia (project no. 06-01-04-SF1828 and vote no. 5450731).
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
