Polylactide-Based Wood Plastic Composites Toughened with SBS

Qiang, Tao Tao; Yu, Demei; Gao, Honghong; Wang, Yanzhong

doi:10.1080/03602559.2011.618518

Cited by 32 publications

(18 citation statements)

References 43 publications

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“…Limited studies, however, have been conducted on the toughening of these composites particlularly with impact modifiers [5,12,[16][17][18] and there is lacking of information on the microstructure-property relationships of such composite systems in the literature. This information is crucial in order to optimize the mechanical properties of toughened PLA=natural fiber composites so as to ensure successful application of these composites in the industrial sector.…”

Section: Introductionmentioning

confidence: 97%

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Mechanical and Morphological Properties of Polylactic Acid/Kenaf Bast Fiber Composites Toughened with an Impact Modifier

Taib¹,

Hassan²,

Ishak³

2014

Polymer-Plastics Technology and Engineering

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Polylactic acid (PLA)/kenaf bast fiber (KF) composites were prepared with different amounts (0 to 40 wt%) of ethylene acrylate copolymer impact modifier (IM). With increasing IM content, the impact strength and elongation at break of the composites improved but an opposite trend was observed for the tensile strength and modulus. Addition of IM resulted in the formation of ductile or flexible interface between the PLA matrix and KF as confirmed by scanning electron microscopy examination on the composite fractured surfaces. Deformability of the PLA matrix was also improved. Mechanisms for the morphology-property relationships of the composites were discussed.

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Section: Introductionmentioning

confidence: 97%

“…Qiang et al [17] manufactured polylactide-based wood plastic composites through extrusion blending followed by injection molding. Styrene-butadiene-styrene (SBS) was used toughening agent for the composites.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Morphological Properties of Polylactic Acid/Kenaf Bast Fiber Composites Toughened with an Impact Modifier

Taib¹,

Hassan²,

Ishak³

2014

Polymer-Plastics Technology and Engineering

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“…Wood plastic composites (WPCs) made from petroleum-derived plastics, such as polyethylene and polypropylene, have been reported to have adverse impacts on the environment [1,2], since after their end of life they give rise to secondary pollutions [3]. To overcome the drawbacks of the traditional WPCs, bio-based and biodegradable polylactide (PLA) has been used as the matrix to manufacture renewable WPCs [4,5,6,7]. PLA-based biocomposites have excellent degradability, good processability, and tensile properties [8,9,10], since pristine PLA has distinguished degradability, processability, and environmental friendliness [11].…”

Section: Introductionmentioning

confidence: 99%

Environmental Impacts of Styrene-Butadiene-Styrene Toughened Wood Fiber/Polylactide Composites: A Cradle-to-Gate Life Cycle Assessment

Qiang

Chou

Gao

2019

IJERPH

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In this study, a life cycle assessment (LCA) was used to investigate the environmental benefits of using styrene-butadiene-styrene (SBS) to modify polylactide (PLA)-based wood plastic composites (WPCs), with a process-based and input–output hybrid model. The results showed that one metric ton of the SBS-modified WPCs required 1.93 × 108 kJ of energy (Sample 2) and 46 m3 of water (Sample 4), and that it could produce 42.3 kg of solid waste (Sample 2) during its cradle-to-gate life cycle phases. The environmental impact load (EIL) and photochemistry oxidation potential (PCOP) accounted for the largest share, while the eutrophication potential (EP) took the smallest one. The total EIL index of Samples 1, 2, 3, and 4 added up to 1.942, 1.960, 1.899, and 1.838, respectively. The SBS-modified WPCs were found to be more environmentally friendly than their unmodified counterparts when they had the same or higher wood fiber (WF) content. SBS was viable to toughen the PLA-based WPCs from an environmental perspective. This cradle-to-gate LCA is likely to help optimize the manufacturing process and mitigate environmental impacts for the natural fiber-reinforced polymer biocomposites.

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“…As an environmentally friendly material, wood flour (WF) reinforced plastic composites (WPCs) have become a common commercial product with growing market potential in the areas of construction, furniture, and decking products for the building industry . WPCs are mainly composed of wood fiber/flour and plastics.…”

Section: Introductionmentioning

confidence: 99%

Simultaneously improving the toughness and stiffness of wood flour/polypropylene composites using elastomer A669/talcum blends

et al. 2018

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It is important for wood plastic composites to possess satisfactory toughness and stiffness in practical applications, such as construction formworks. In this study, an elastomer‐grafted polyolefin (A669) was introduced to improve the toughness of wood flour/polypropylene (WF/PP) composites, with talcum powder used as the reinforced phase to maintain the flexural strength and stiffness of the WF/PP composites. The impact strength and bending properties of the composites were tested. Differential scanning calorimetry, dynamic mechanical analysis, and scanning electron microscopy were used to analyze this composite system. Test results show that the combination of A669 and talcum powder can provide the WF/PP composites with both good toughness and flexural properties. The optimum additions of A669 and talcum powder were 6% and 9%, respectively. Talcum powder plays an important role in the heterogeneous nucleation, which is helpful for increasing crystallinity and improving flexural properties. However, this function could be offset by the addition of A669. The WF/PP composites with elastomer A669 and talcum powder present more viscosity characteristics and rougher fracture surfaces. In addition, the WF/PP composites containing elastomer A669 and talcum powder have better processability. POLYM. COMPOS., 40:1335–1341, 2019. © 2018 Society of Plastics Engineers

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Polylactide-Based Wood Plastic Composites Toughened with SBS

Cited by 32 publications

References 43 publications

Mechanical and Morphological Properties of Polylactic Acid/Kenaf Bast Fiber Composites Toughened with an Impact Modifier

Mechanical and Morphological Properties of Polylactic Acid/Kenaf Bast Fiber Composites Toughened with an Impact Modifier

Environmental Impacts of Styrene-Butadiene-Styrene Toughened Wood Fiber/Polylactide Composites: A Cradle-to-Gate Life Cycle Assessment

Simultaneously improving the toughness and stiffness of wood flour/polypropylene composites using elastomer A669/talcum blends

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