Eco‐friendly polymer composites: A review of suitable methods for waste management

Cabrera, Flávio Camargo

doi:10.1002/pc.26033

Cited by 43 publications

(35 citation statements)

References 248 publications

(296 reference statements)

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“…Elongation normally decreases with fiber content, which is generally associated with an increase in stiffness and strength, sometimes even impact strength of the composite increases with fiber content. [4] In this study, a reduction in elongation of the samples with the addition of PFW also indicated greater matrix stiffness.…”

Section: Resultssupporting

confidence: 52%

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Composite for insole shoe assembly based on polyvinyl acetate and polyester fabric waste from the footwear industry

2022

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This work aimed at studying a composite material for shoe assembly insole using polyester fabric waste (PFW) from the footwear industry. For the preparation of the composites, polyvinyl acetate (PVAc) was employed as the polymeric matrix, with 5%, 10%, 15%, and 20% in weight of PFW in the formulations and compared with a standard formulation without PFW. The samples were characterized via physical–chemical (moisture content, bulk density, and growth/shrinkage) and mechanical (break, tensile and dry, and wet tear) analyses, and also by scanning electron microscopy. The PVAc/PFW 5% and 10% composites showed satisfactory results in all tests performed. They reached 9.99 and 9.09 MPa tensile strength, respectively, twice the minimum acceptable (5 MPa), and 1.13 and 1.07 N/mm dry tear strength, also higher than required (1.0 N/mm). The better results for the samples with less PFW were justified by the lower tendency to produce agglomerates during the molding and compaction production stages. Compared with commercial materials commonly used in shoes, these samples met all specifications and showed the technical feasibility of reusing PFW in assembly insoles.

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Section: Resultssupporting

confidence: 52%

“…This test is also important to evaluate the quality of the leather used, according to their extrinsic characteristics during the wet blue stage. [4] The results of dry and wet tear strength test are shown in Figure 6. The dry tear strength, in Figure 6A, decreased with the increase in PFW content in the material.…”

Section: Resultsmentioning

confidence: 99%

Composite for insole shoe assembly based on polyvinyl acetate and polyester fabric waste from the footwear industry

2022

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“…Plastics can be recycled with eco-friendly and simple physical and mechanical methods [35]. Recycling is accomplished by collecting and washing plastic waste, converting it into flakes and granules through pulverization, and then melt processing it by drying and extrusion [36].…”

Section: Discussionmentioning

confidence: 99%

Preparation and Performance Evaluation of X-ray-Shielding Barium Sulfate Film for Medical Diagnosis Using PET Recycling and Multi-Carrier Principles

Kim

2022

Coatings

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The use of disposable containers and packaging materials has increased due to the recent COVID-19 pandemic. Thus, the generation of plastic waste is also increasing, and research on recycling such waste is being actively conducted. In this study, an X-ray-shielding film for medical diagnosis was manufactured by mixing a radiation-shielding material and a plastic waste-based polymer material and its effectiveness was evaluated. The film, which is intended as a fabric for a shielding garment, consists of barium sulfate (BaSO4) shielding nanoparticles embedded in a matrix of polyethylene terephthalate (PET), a commonly available waste plastic material. A particle-dispersing technology, which can improve the ratio between the shielding and matrix materials while maintaining the tensile strength of the film, was studied. Therefore, to increase the content of the barium sulfate (BaSO4) nanoparticles used as the shielding material, this multi-carrier method—under which the particles are dispersed in units of time—was developed to improve the shielding performance. Compared with the effectiveness of lead (Pb) shielding film, the 3 mm barium sulfate film developed in this study satisfies the lead equivalent of 0.150 mmPb when stacked in two layers. Therefore, a shielding film was successfully manufactured by using plastic waste as a polymer resin and barium sulfate, an eco-friendly radiation-shielding material, instead of lead.

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“…Concerns about the environmental impact of fiber production and subsequent disposal operations have grown in prominence as demand for fabrics has increased. Several recent studies show that the textile industry endangers freshwater and atmosphere micro-systems due to the use of industrially harmful and toxic chemicals during the manufacturing process, as well as the release of these chemicals [4][5][6]. Inadequate collection and careless disposal of solid waste pollutes the land and air, endangering human health and the environment.…”

Section: Introductionmentioning

confidence: 99%

Towards the Sustainability of the Plastic Industry through Biopolymers: Properties and Potential Applications to the Textiles World

Patti

Acierno²

2022

Polymers

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This study aims to provide an overview of the latest research studies on the use of biopolymers in various textile processes, from spinning processes to dyeing and finishing treatment, proposed as a possible solution to reduce the environmental impact of the textile industry. Recently, awareness of various polluting aspects of textile production, based on petroleum derivatives, has grown significantly. Environmental issues resulting from greenhouse gas emissions, and waste accumulation in nature and landfills, have pushed research activities toward more sustainable, low-impact alternatives. Polymers derived from renewable resources and/or with biodegradable characteristics were investigated as follows: (i) as constituent materials in yarn production, in view of their superior ability to be decomposed compared with common synthetic petroleum-derived plastics, positive antibacterial activities, good breathability, and mechanical properties; (ii) in textile finishing to act as biological catalysts; (iii) to impart specific functional properties to treated textiles; (iv) in 3D printing technologies on fabric surfaces to replace traditionally more pollutive dye-based and inkjet printing; and (v) in the implants for the treatment of dye-contaminated water. Finally, current projects led by well-known companies on the development of new materials for the textile market are presented.

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Eco‐friendly polymer composites: A review of suitable methods for waste management

Cited by 43 publications

References 248 publications

Composite for insole shoe assembly based on polyvinyl acetate and polyester fabric waste from the footwear industry

Composite for insole shoe assembly based on polyvinyl acetate and polyester fabric waste from the footwear industry

Preparation and Performance Evaluation of X-ray-Shielding Barium Sulfate Film for Medical Diagnosis Using PET Recycling and Multi-Carrier Principles

Towards the Sustainability of the Plastic Industry through Biopolymers: Properties and Potential Applications to the Textiles World

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