Sustainable Biocomposites from Rice Flour and Sisal Fiber: Effect of Fiber Loading, Length and Alkali Treatment
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N. Lopattananon
, S. Songkaew , W. Thongruang and M. Seadan
Abstract
Rice flour was modified with water and glycerol in single-screw extruder to obtain bioplastic of low manufacturing cost. Sisal fibers were used as reinforcing fillers to enhance rice flour-based bioplastic properties. The effects of short sisal fiber content (5 to 20 wt.%), length (0.2 to 6 mm) and alkali treatment (5% w/v NaOH) on the moisture content, tensile properties, impact properties, dynamic mechanical properties and morphology of the biocomposites were studied. The results showed that incorporation of the sisal fibers with a fixed fiber length into the bioplastics improved moisture resistance, tensile strength, impact strength and storage modulus, and that the improvement level increased with increasing sisal fiber content. The optimum reinforcement was achieved at 20 wt.% of fiber loading and 4 mm long fibers. The tensile strength of the biocomposite was about 4 times more than that of the neat rice flour-based bioplastic. The use of 5% NaOH aqueous solution further improved the moisture resistance and mechanical properties of the biocomposites, mainly resulting from better interfacial adhesion between the sisal fiber and rice flour matrix. Furthermore, the performance of the rice flour-based bioplastics synergistically combined with the sisal fibers suggests that they have great potential in development of environmentally friendly/sustainable biomaterial products from renewable resources.
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© 2009, Carl Hanser Verlag, Munich
Articles in the same Issue
- Contents
- Contents
- Regular Contributed Articles
- Investigation of the Thickening Efficiency of HEUR on the Behavior of Two Different Latex Types
- Optimization of the Thickness of PET Bottles during Stretch Blow Molding by Using a Mesh-free (Numerical) Method
- An Experimental Setup to Measure the Transient Temperature Profiles in Water Assisted Injection Molding
- Experimental Investigation and Flow Modeling of Slippage Induced by Additives in Polyolefins in a Modular Co-rotating Twin Screw Extruder
- In-mold Melt Front Rate Control Using a Capacitive Transducer in Injection Molding
- Structural and Rheological Properties as a Function of Mixing Energy for Polymer/Layered Silicate Nanocomposites
- Study on Kneading and Molding of PP/TiO2 Nanocomposite
- Sustainable Biocomposites from Rice Flour and Sisal Fiber: Effect of Fiber Loading, Length and Alkali Treatment
- On-line Measurement Studies on Orientation Development and Characteristic Short-Period Diameter Fluctuation in High Speed In-line Drawing of Poly(ethylene terephthalate) Fiber
- Micro Replication by Injection-Compression Molding
- Utilizing Processing Parameters for Evaluating Polymer Viscosity during Plastication in Injection Molding
- PPS-News
- PPS News
- Seikei Kakou Abstracts
- Seikei-Kakou Abstracts
Articles in the same Issue
- Contents
- Contents
- Regular Contributed Articles
- Investigation of the Thickening Efficiency of HEUR on the Behavior of Two Different Latex Types
- Optimization of the Thickness of PET Bottles during Stretch Blow Molding by Using a Mesh-free (Numerical) Method
- An Experimental Setup to Measure the Transient Temperature Profiles in Water Assisted Injection Molding
- Experimental Investigation and Flow Modeling of Slippage Induced by Additives in Polyolefins in a Modular Co-rotating Twin Screw Extruder
- In-mold Melt Front Rate Control Using a Capacitive Transducer in Injection Molding
- Structural and Rheological Properties as a Function of Mixing Energy for Polymer/Layered Silicate Nanocomposites
- Study on Kneading and Molding of PP/TiO2 Nanocomposite
- Sustainable Biocomposites from Rice Flour and Sisal Fiber: Effect of Fiber Loading, Length and Alkali Treatment
- On-line Measurement Studies on Orientation Development and Characteristic Short-Period Diameter Fluctuation in High Speed In-line Drawing of Poly(ethylene terephthalate) Fiber
- Micro Replication by Injection-Compression Molding
- Utilizing Processing Parameters for Evaluating Polymer Viscosity during Plastication in Injection Molding
- PPS-News
- PPS News
- Seikei Kakou Abstracts
- Seikei-Kakou Abstracts