Uncovering the release of micro/nanoplastics from disposable face masks at times of COVID-19.

Release kinetics of microplastics from disposable face masks into the aqueous environment

Increasing demand for non-biodegradable plastics undesirably leads to their accumulation and calls for an appropriate solution for this global crisis. Environmental impacts of PET waste have long been addressed; although some remedies have been proposed, their extensive use in the modern world use demands new studies and recycling techniques. It shows the inadequacy of previous solutions to eliminate this environmental problem. Therefore, researching this subject should not be considered an insignificant issue. Distinctively, this review article has a specific reliance on the use of recycled PET fibers in the production of high-consumption and value-added products that, in addition to considering environmental aspects, can also be attractive to the market. This article deals with recent studies in three product categories (concrete, nonwoven fabrics, yarns) made from recycled PET fibers and shows the high potential of PET fibers for the future industry.

https://link.springer.com/content/pdf/10.1007/s42824-020-00014-y.pdf

Recent Studies on Recycled PET Fibers: Production and Applications: a Review

Geotextiles, a group of high-performance materials, have grown during the last decades into needful auxiliaries when it comes to infrastructure, soil, construction, agriculture and environmental applications. Although geotextiles made of synthetic fibers (geosynthetics) are considered a modern achievement, the basic concept dates back to ancient times when textiles consisting of locally available natural fibers were employed to increase the stability of roads and soils. In recent decades, considering the growing interest in environmental protection and sustainable development based on using renewable resources and the recovery and recycling of waste of various origins, the use of natural fibers-based geotextiles is a viable alternative, despite their limited-life service owing to their biodegradability. In addition to this feature, their low cost, good mechanical properties and large-scale accessibility recommend them for geo-engineering applications, environmental sensitive applications in geotechnical engineering, such as land improvements and soil erosion control. This paper focuses on geotextiles as a versatile tool in environmental applications given their high theoretic and practical relevance as substantiated by recent literature reports. Natural and synthetic geotextiles are presented herein, as well as their features that recommend them for geo-engineering. Insights on the main types of applications of geotextiles are also included, along with a wide variety of materials employed to perform specific functions.

/pdf/geotextiles-a-versatile-tool-for-environmental-sensitive-iskfn0mb.pdf

Geotextiles—A Versatile Tool for Environmental Sensitive Applications in Geotechnical Engineering

Textile electronics possess unique characteristics such as breathability, deformability, and flexibility, making them ideal platforms for wearable devices that offer maximum comfort when attached to human bodies. To date, efficiently combining scalable and structurally diverse textile manufacturing technology with smart device integration remains a major challenge in the field of wearable flexible electronics. In this review, the future development of textile electronics is explored and discussed in detail, focusing on innovation, scalability, stability, multifunctionality, and system integration. This review delves into detailed discussions on the forming methods of fibers, yarns, and fabrics that correspond to specific structures, followed by a comprehensive overview of the historical evolution of smart device preparation technologies, highlighting representative examples across various scales of the textile structures. Finally, the future strategies for developing novel textile structures and high-performance textile devices are analyzed and summarized.

Review of Textile-based Wearable Electronics: From the Structure of the Multi-level Hierarchy Textiles

Spunbonded needle-punched nonwoven geotextiles for filtration and drainage applications: Manufacturing and structural design

Tailoring high anti-UV performance polypropylene based geotextiles with homogeneous waterborne polyurethane-TiO2 composite emulsions

Tailoring high efficiency polypropylene based composite geotextiles for dewatering fly ash slurries

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Spunbonded needle-punched nonwoven geotextiles for filtration and drainage applications: Manufacturing and structural design

Tailoring high anti-UV performance polypropylene based geotextiles with homogeneous waterborne polyurethane-TiO2 composite emulsions

Tailoring high efficiency polypropylene based composite geotextiles for dewatering fly ash slurries