Visual design of high-density polyethylene into wood plastic composite with multiple desirable features: A promising strategy for plastic waste valorization

Xiao, Rong; Yu, Qinghan; Ye, Haoran; Shi, Yang; Sheng, Yequan; Zhang, Minglong; Nourani, Pejman; Ge, Shengbo

doi:10.1016/j.jobe.2022.105445

Cited by 20 publications

(14 citation statements)

References 37 publications

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“…Analyzing the studies in the systematic review found that different types of postconsumer plastics were used as waste in the evaluated experiments. Among the most prevalent typologies, polypropylene (PP) was highlighted in five studies [14][15][16]19,22], and high-density polyethylene (HDPE) in another five studies [16,[19][20][21][22]. Additionally, polyethylene terephthalate (PET) was used in a specific study [24].…”

Section: [23]mentioning

confidence: 99%

“…Additionally, plant-based fillers, such as crushed wood waste, pine nut shells, corn husks, hemp fibers, and wood chips, were incorporated to improve mechanical properties and reduce reliance on virgin materials. and high-density polyethylene (HDPE) in another five studies [16,[19][20][21][22]. Addi polyethylene terephthalate (PET) was used in a specific study [24].…”

Section: [23]mentioning

confidence: 99%

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Use of Post-Consumer Plastics in the Production of Wood-Plastic Composites for Building Components: A Systematic Review

Ribeiro,

Stolz,

Amario

et al. 2023

Energies

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This systematic review study adopted the PRISMA methodology to investigate recent research on wood-plastic composites (WPC) utilizing post-consumer plastics in the construction industry. Initially, 3111 articles were selected from academic databases using keywords such as “wood and plastic composites”, “WPC”, “polymer”, “recycled”, “waste”, “construction”, and “sustainability.” After stringent exclusion criteria, 15 relevant studies on plastic waste composites were identified. These studies often employ post-consumer plastics like polypropylene and high-density polyethylene, along with plant-based fillers, aiming to enhance mechanical properties and reduce reliance on virgin materials. Analysis of these studies revealed that the optimal plastic composition in the composites ranged from 40% to 45% wood and from 50% to 60% plastic, with the extrusion process being the most employed for shaping. Specific factors, such as the use of compatibilizers and the particle size of raw materials, were identified as significant influencers on composite strength. These materials exhibited high thermal stability, rendering them suitable for construction applications exposed to high temperatures. The diversity of plastic waste explored in the studies underscores the potential to tailor thermal properties to specific application demands. These composites facilitate closed-loop plastic recycling, enabling their reintegration into the production chain and offering opportunities for lightweight, durable, and high-performance products in the construction industry. However, beyond the factors examined in the studies, a meticulous assessment of the fire resistance, weather resistance, ultraviolet resistance, moisture absorption, dimensional stability, degradation, long-term durability, impact strength, recyclability, and cost-effectiveness of the material is crucial. Thoughtful consideration of these factors is essential to achieving a comprehensive understanding of the potential and limitations of recycled plastic composites in promoting energy efficiency and sustainability in the construction industry.

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Section: [23]mentioning

confidence: 99%

Section: [23]mentioning

confidence: 99%

Use of Post-Consumer Plastics in the Production of Wood-Plastic Composites for Building Components: A Systematic Review

Ribeiro,

Stolz,

Amario

et al. 2023

Energies

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“…Combining the desirable attributes of both wood and plastic, WPC exhibits high added value, cost‐effectiveness, and environmental sustainability. The utilization of WPC offers a potential solution to the challenges posed by deforestation and plastic waste 1,2 and holds significant promise for various applications 3,4 …”

Section: Introductionmentioning

confidence: 99%

“…The utilization of WPC offers a potential solution to the challenges posed by deforestation and plastic waste 1,2 and holds significant promise for various applications. 3,4 A wide range of plastic matrices is employed in producing WPC, encompassing polypropylene (PP), polyethylene,…”

mentioning

confidence: 99%

The effect of diatomite dosage on physical, mechanical, and rheological creep properties of poplar wood/polypropylene composites

Han

Liu

et al. 2023

Polymer Composites

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The present study investigates the influence of micron‐sized diatomite dosage on the physical, mechanical, rheological, and creep properties of poplar wood/polypropylene (PW/PP) composites to enhance their toughness and practicality. The diatomite‐PW/PP composites were prepared using the melt extrusion method, replacing different proportions of PW with diatomite, and subsequently evaluated for their properties. The results indicate that adding diatomite enhances the density while reducing the brightness and water absorption of the composites. Scanning electron microscopy, analysis reveals a uniform distribution of diatomite in the range of 5–10 wt%, which effectively serves as a filler and reinforcing agent, consequently improving the toughness of the composite system. Specifically, the impact strength, tensile strength, and elongation at break are enhanced by 25.9%, 9.5%, and 35.7%, respectively. Furthermore, creep rheological analysis demonstrates improved processability and creep resistance in the composite system.

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“…However, the service performance of wood-plastic composites under aggressive water environments such as sea water and acid rain is not well studied. Xiao et al (2023) prepared wood plastic composite by poplar veneer and reclaimed high density polyethylene (HDPE). It was found that the hydrogen bonding between the cellulose and the molecular crosslinking network was strengthened, carbonized lignin was coated on the surface of cellulose, and the composite has high strength (tensile strength 198.9 MPa).…”

Section: Introductionmentioning

confidence: 99%

Comparison of properties of wood-plastic composites based on alternate degradation in seawater and acid rain

Duan

Wang

Xiao

et al. 2023

BioRes

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To investigate the change of the service performance of wood-plastic composites degraded by sea water and acid rain, three types of wood-plastic composite materials were prepared with sorghum straw reinforced with high-density polyethylene (SS/HDPE), polypropylene (SS/PP), and polyvinyl chloride (SS/PVC). Under the extreme alternate degradation conditions simulated by seawater (salinity 3.5%, temperature 55 °C) and acid rain (pH 2.5, temperature 55 °C), the effects on the mechanical and wear properties and the chemical structures of the composites were determined. The exposure to the alternate sea water and acid rain deteriorated the fiber/matrix bonding quality of the composites; the mechanical and wear properties decreased accordingly. Before and after degradation, the three composites were sorted in descending order of the mechanical and wear properties as follows: SS/PVC composites > SS/PP composites > SS/HDPE composites. Sorghum straw /PVC had the best resistance to degradation and sorghum straw /HDPE composite had the least resistance. The matrix molecular chains of the SS/HDPE under the conditions of exposure were broken after 12 days.

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Visual design of high-density polyethylene into wood plastic composite with multiple desirable features: A promising strategy for plastic waste valorization

Cited by 20 publications

References 37 publications

Use of Post-Consumer Plastics in the Production of Wood-Plastic Composites for Building Components: A Systematic Review

Use of Post-Consumer Plastics in the Production of Wood-Plastic Composites for Building Components: A Systematic Review

The effect of diatomite dosage on physical, mechanical, and rheological creep properties of poplar wood/polypropylene composites

Comparison of properties of wood-plastic composites based on alternate degradation in seawater and acid rain

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