9 Thermal properties of wood flour reinforced polyamide 6 biocomposites by twin screw extrusion
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Norihan Abdullah
Abstract
The use of waste wood flour as polymer reinforcements has recently gained popularity because of its environmental benefits. The goal of this research is to determine the thermal properties of a waste wood flour/polyamide 6 composite made via extrusion. The fillers were melt compounded with polyamide 6 at filler concentrations of 5%, 10%, and 15% using a twin screw extruder, followed by compression molding. The processability of waste wood flour/polyamide 6 composite was evaluated using thermogravimetric analysis (TGA), differential scanning calorimeter (DSC), and dynamic thermomechanical analysis (DMA). According to the TGA analysis, the thermal stability of the composites decreases as the natural fiber content increases. The onset temperature of rapid thermal deterioration was reduced somewhat from 425 °C (neat PA6) to 405 °C (15 wt% wood flour). According to the DSC results, the addition of natural fibers resulted in quantify changes in the glass transition (Tg), melting (Tm), and crystallization temperature (Tc) of the PA6 composites. The storage modulus from the DMA study increased from 1177 MPa (neat PA6) to 1531 MPa due to the reinforcing effects of wood flour (15 wt%). Waste wood flour/ polyamide 6 composites offer advantageous thermal properties, enabling us to profit from the strengthening potential of such cellulosic reinforcements while remaining recyclable and generally renewable.
Abstract
The use of waste wood flour as polymer reinforcements has recently gained popularity because of its environmental benefits. The goal of this research is to determine the thermal properties of a waste wood flour/polyamide 6 composite made via extrusion. The fillers were melt compounded with polyamide 6 at filler concentrations of 5%, 10%, and 15% using a twin screw extruder, followed by compression molding. The processability of waste wood flour/polyamide 6 composite was evaluated using thermogravimetric analysis (TGA), differential scanning calorimeter (DSC), and dynamic thermomechanical analysis (DMA). According to the TGA analysis, the thermal stability of the composites decreases as the natural fiber content increases. The onset temperature of rapid thermal deterioration was reduced somewhat from 425 °C (neat PA6) to 405 °C (15 wt% wood flour). According to the DSC results, the addition of natural fibers resulted in quantify changes in the glass transition (Tg), melting (Tm), and crystallization temperature (Tc) of the PA6 composites. The storage modulus from the DMA study increased from 1177 MPa (neat PA6) to 1531 MPa due to the reinforcing effects of wood flour (15 wt%). Waste wood flour/ polyamide 6 composites offer advantageous thermal properties, enabling us to profit from the strengthening potential of such cellulosic reinforcements while remaining recyclable and generally renewable.
Chapters in this book
- Frontmatter I
- About the editors V
- Preface IX
- Contents XI
- List of contributing authors XIX
- 1 Polybutylene succinate (PBS)/natural fiber green composites: melt blending processes and tensile properties 1
- 2 Material selection and conceptual design in natural fibre composites 15
- 3 Amine compounds post-treatment on formaldehyde emission and properties of urea formaldehyde bonded particleboard 27
- 4 Manufacturing defects of woven natural fibre thermoset composites 39
- 5 Manufacturing defects and interfacial adhesion of Arenga Pinnata and kenaf fibre reinforced fibreglass/kevlar hybrid composite in boat construction application 57
- 6 Wettability of keruing (Dipterocarpus spp.) wood after weathering under tropical climate 67
- 7 Mechanical performance and failure characteristics of cross laminated timber (CLT) manufactured from tropical hardwoods species 77
- 8 Constructing a framework for selecting natural fibres as reinforcements composites based on grey relational analysis 87
- 9 Thermal properties of wood flour reinforced polyamide 6 biocomposites by twin screw extrusion 99
- 10 Characterization of lignocellulosic S. persica fibre and its composites: a review 111
- 11 An overview of mechanical and corrosion properties of aluminium matrix composites reinforced with plant based natural fibres 131
- 12 Physical and mechanical properties of Acacia mangium plywood after sanding treatment 161
- 13 Effect of sugarcane bagasse on thermal and mechanical properties of thermoplastic cassava starch/beeswax composites 171
- 14 The properties of 3D printed poly (lactic acid) (PLA)/poly (butylene-adipate-terephthalate) (PBAT) blend and oil palm empty fruit bunch (EFB) reinforced PLA/PBAT composites used in fused deposition modelling (FDM) 3D printing 187
- 15 Properties of plybamboo manufactured from two Malaysian bamboo species— 205
- 16 Fundamental study of commercial polylactic acid and coconut fiber/polylactic acid filaments for 3D printing 215
- 17 Flexural analysis of hemp, kenaf and glass fibre-reinforced polyester resin 231
- 18 Effect of stacking sequence on tensile properties of glass, hemp and kenaf hybrid composites 247
- 19 Investigation on impact properties of different type of fibre form: hybrid hemp/ glass and kenaf/glass composites 259
- Index 277
Chapters in this book
- Frontmatter I
- About the editors V
- Preface IX
- Contents XI
- List of contributing authors XIX
- 1 Polybutylene succinate (PBS)/natural fiber green composites: melt blending processes and tensile properties 1
- 2 Material selection and conceptual design in natural fibre composites 15
- 3 Amine compounds post-treatment on formaldehyde emission and properties of urea formaldehyde bonded particleboard 27
- 4 Manufacturing defects of woven natural fibre thermoset composites 39
- 5 Manufacturing defects and interfacial adhesion of Arenga Pinnata and kenaf fibre reinforced fibreglass/kevlar hybrid composite in boat construction application 57
- 6 Wettability of keruing (Dipterocarpus spp.) wood after weathering under tropical climate 67
- 7 Mechanical performance and failure characteristics of cross laminated timber (CLT) manufactured from tropical hardwoods species 77
- 8 Constructing a framework for selecting natural fibres as reinforcements composites based on grey relational analysis 87
- 9 Thermal properties of wood flour reinforced polyamide 6 biocomposites by twin screw extrusion 99
- 10 Characterization of lignocellulosic S. persica fibre and its composites: a review 111
- 11 An overview of mechanical and corrosion properties of aluminium matrix composites reinforced with plant based natural fibres 131
- 12 Physical and mechanical properties of Acacia mangium plywood after sanding treatment 161
- 13 Effect of sugarcane bagasse on thermal and mechanical properties of thermoplastic cassava starch/beeswax composites 171
- 14 The properties of 3D printed poly (lactic acid) (PLA)/poly (butylene-adipate-terephthalate) (PBAT) blend and oil palm empty fruit bunch (EFB) reinforced PLA/PBAT composites used in fused deposition modelling (FDM) 3D printing 187
- 15 Properties of plybamboo manufactured from two Malaysian bamboo species— 205
- 16 Fundamental study of commercial polylactic acid and coconut fiber/polylactic acid filaments for 3D printing 215
- 17 Flexural analysis of hemp, kenaf and glass fibre-reinforced polyester resin 231
- 18 Effect of stacking sequence on tensile properties of glass, hemp and kenaf hybrid composites 247
- 19 Investigation on impact properties of different type of fibre form: hybrid hemp/ glass and kenaf/glass composites 259
- Index 277
