Utilization of Industrial Wastes from Mining and Packaging Industries in Wood-Plastic Composites

Keskisaari, Anna; Kärki, Timo

doi:10.1007/s10924-017-1052-z

Cited by 13 publications

(6 citation statements)

References 18 publications

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“…Lahtela et al [12] also found that sludge improved the impact strength compared to a filler from wood flour. Migneault et al [28] came to the same conclusion while comparing wood fibers and different pulps from a paper mill, and Keskisaari and Kärki [29] noted that carton cutting waste improved the properties of the composites. Väntsi et al [16] found that mineral wool slightly increased the impact strength of a composite like the one in this study.…”

Section: Impact Propertiesmentioning

confidence: 78%

Mechanical Properties of Recycled Polymer Composites Made from Side-Stream Materials from Different Industries

2019

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This study examines the mechanical properties of thermoplastic polymer composites manufactured by utilizing different side-stream materials as fillers. Two composites were manufactured from side-stream materials from the construction industry, two were manufactured from side-stream materials from the paper industry, and one was manufactured from side-stream materials from a coating factory. The matrix polymer used in the composites originated from recycling facility. The side-stream materials were used as fillers. One composite was manufactured as a reference by using wood-fiber as the filler. The tensile properties and impact strength were tested. The materials were also observed with a scanning electron microscope. Compared to the reference material, tensile strength and modulus decreased in all cases except for the sludge from the paper industry. The sludge also improved the impact strength remarkably, as the impact strength with the stone wool and stone dust from the construction industry remained the same, while the values were weakened for the others. Scanning electron microscope images showed that powder coating waste from the coating factory increased porosity and, thus, decreased the density of the material.

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Section: Impact Propertiesmentioning

confidence: 78%

Mechanical Properties of Recycled Polymer Composites Made from Side-Stream Materials from Different Industries

2019

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“…Kajaks et al have studied the influence of modifiers on the rheological property and thermal stability property of plywood production residues polypropylene composites [13]. Some related works were done using WPCs based on cellulosic waste and mineral filler [14,15]. The significant increase in modulus of elasticity and strength of WPCs is recognized and is reasonably understood.…”

Section: Introductionmentioning

confidence: 99%

Characterization and Research on Mechanical Properties of Bamboo Plastic Composites

Wang

et al. 2018

Polymers

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The focus of this study was to observe the mechanical properties of bamboo plastic composites (BPCs) with bamboo pulp fiber (BPF) or white mud (WM). The essential work of fracture (EWF) methodology was used to characterize the impact toughness of BPCs. The results revealed an increase in flexural, tensile and impact properties, when adding the BPF in the BPCs. While the flexural properties of WM-reinforced BPCs revealed increasing, there was a decrease in tensile and impact strength. In an impact strength analysis study, BPF-filled BPCs showed excellent impact property over WM-filled BPCs; scanning electron microscopy (SEM) helps to explain impact fracture behavior of BPCs. EWF analysis of impact results showed that the specific essential work of fracture (we) increased significantly with the amount of BPF used in BPCs but decreased with the increase of WM in the BPCs. There was similar variation for the non-essential plastic work (βwp) of BPCs. This result indicates that the fracture initiation and fracture propagation of BPCs are different.

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“…Moreover, ref. [ 13 ] studied a PE-PP mixture representative of an average of waste polyolefin plastics found in recycling facilities, mixed with wood using different kinds of compatibilizers, such as Fusabond and Orevac families (roughly 55% wood, 40% PE-PP and 5% compatibilizer), obtaining some promising results in terms of mechanical properties of the composites. Further, other blends coming from waste polymers were investigated, such as waste Polyethylene Terephthalate (PET)-PP blends [ 14 ], but no complex mixture has been tested.…”

Section: Introductionmentioning

confidence: 99%

Approaches for Management and Valorization of Non-Homogeneous, Non-Recyclable Plastic Waste

Gazzotti

Felice

Ortenzi

et al. 2022

IJERPH

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The environmental accumulation of plastic wastes has become one of the most discussed topics in the scientific community. The development of new strategies to tackle this issue is of crucial importance, and different approaches are being investigated to effectively reduce plastic waste generated by improper or inefficient disposal. In addition to the efforts addressing the development of biodegradable plastics, the research is currently focused on the development of innovative recycling approaches. Indeed, although most plastic materials are potentially recyclable, only 15% of the worldwide plastic waste is currently recycled, while the remaining 85% is usually incinerated to recover thermal energy or landfilled. The hurdles to efficient recycling come from improper management of end-of-life plastic goods. Moreover, the highly heterogeneous nature and versatility of plastic and polymeric materials have led to the development of multilayered materials, composites, blends and many other different species, whose management and/or reprocessing to yield high-value products is extremely challenging. Thus, although these materials are extremely valuable from an industrial point of view, they add a high degree of complexity to the recycling process because each one of them is different from the other, but they cannot be separated efficiently. The aim of the present review is to return a comprehensive overview of environmental and management issues related to the complex and heterogeneous mixture of plastic waste that is generated at the end of the sorting procedures in Italian plastic recycling plants, the so-called ‘Plasmix’. This review lists the difficulties and limitations related to the management of non-recyclable Plasmix and highlights the strategies for the proper, sustainable and valuable use of this plastic waste.

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Utilization of Industrial Wastes from Mining and Packaging Industries in Wood-Plastic Composites

Cited by 13 publications

References 18 publications

Mechanical Properties of Recycled Polymer Composites Made from Side-Stream Materials from Different Industries

Mechanical Properties of Recycled Polymer Composites Made from Side-Stream Materials from Different Industries

Characterization and Research on Mechanical Properties of Bamboo Plastic Composites

Approaches for Management and Valorization of Non-Homogeneous, Non-Recyclable Plastic Waste

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