Progress in Recycling of (Bio)Polymers and Composites, 2nd Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Circular and Green Polymer Science".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 555

Special Issue Editor


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Guest Editor
Department of Engineering, University of Palermo, 90128 Palermo, Italy
Interests: structure/processing/properties relationships in polymers; biopolymers; micro- and nano- composites; polymers and biopolymers degradation and stabilization
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Special Issue Information

Dear Colleagues,

The continuous increase in the production and use of numerous plastic goods requires an adequate design of material end-of-life that considers appropriate polymer recycling. The advances in polymer recycling are related to the following two main points: first, adequate polymer separation, and second, property and performance optimization of second-life recyclates. There are also other important issues related to polymer compatibility and/or incompatibility, the impact of numerous additives on the recycling process and the adding of further additives to second-life recyclates, which aim to improve the properties and performance.

Therefore, to further the implementation and development of an efficient polymer material recovery process, i.e., recycling of polymers, specific attention and inputs from both academic and industrial parties are required; notably, some industries in the EU are already carrying out efficient recycling processes.

Dr. Nadka T. Dintcheva
Guest Editor

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Keywords

  • structure/processing/property relationships in polymers
  • biopolymers
  • micro- and nano-composites
  • polymer and biopolymer degradation and stabilization

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Published Papers (1 paper)

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Research

15 pages, 11438 KiB  
Article
Investigation on Erosion Resistance in Polyester–Jute Composites with Red Mud Particulate: Impact of Fibre Treatment and Particulate Addition
by Sundarakannan Rajendran, Vigneshwaran Shanmugam, Geetha Palani, Uthayakumar Marimuthu, Arumugaprabu Veerasimman, Kinga Korniejenko, Inna Oliinyk, Herri Trilaksana and Vickram Sundaram
Polymers 2024, 16(19), 2793; https://doi.org/10.3390/polym16192793 - 1 Oct 2024
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Abstract
This research investigates the manufacturing and characterisation of polyester-based composites reinforced with jute fibres and red mud particulates. The motivation stems from the need for sustainable, high-performance materials for applications in industries, like aerospace and automotive, where resistance to erosion is critical. Jute, [...] Read more.
This research investigates the manufacturing and characterisation of polyester-based composites reinforced with jute fibres and red mud particulates. The motivation stems from the need for sustainable, high-performance materials for applications in industries, like aerospace and automotive, where resistance to erosion is critical. Jute, a renewable fibre, combined with red mud, an industrial byproduct, offers an eco-friendly alternative to conventional composites. The composites were fabricated using compression moulding with varying red mud contents (10, 20, and 30 wt.%) and a fixed 40 wt.% of jute fibre. Fibre treatments included sodium hydroxide (NaOH) and silane treatments to improve bonding and performance. Erosion tests were performed using an air-jet erosion tester, examining the effects of the red mud content, fibre treatment, and impact angles. Scanning Electron Microscope (SEM) analysis provided insights into the erosion mechanisms. A distinctive reduction in erosion rates at higher impact angles (30°–60°) was observed, attributed to the semi-ductile nature of the composites. The addition of red mud enhanced erosion resistance, although an excess of 30 wt.% reduced resistance due to poor surface bonding. Silane-treated composites showed the lowest erosion rates. This study provides new insights into the interplay among material composition, fibre treatment, and erosion dynamics, contributing to the development of optimised, eco-friendly composite materials. Full article
(This article belongs to the Special Issue Progress in Recycling of (Bio)Polymers and Composites, 2nd Edition)
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