The novel upgrade recycling of waste epoxy for thermal management and electromagnetic shielding application

Kang, Peiling; Jin, Zhibo; Yang, Shuangqiao; Wang, Qi

doi:10.1016/j.compositesa.2021.106710

Cited by 14 publications

(5 citation statements)

References 58 publications

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“…1e) exhibited great thermal conductivity (10.1 W m K À1 ) and excellent electromagnetic interference shielding performance (106.3 dB). 30 These results demonstrate the great potential of S 3 M equipment in the mechanical upcycling of thermoset waste.…”

Section: Physical Upcyclingmentioning

confidence: 71%

Upcycling of thermosetting polymers into high-value materials

Wang

et al. 2023

Mater. Horiz.

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Section: Physical Upcyclingmentioning

confidence: 71%

Upcycling of thermosetting polymers into high-value materials

Wang

et al. 2023

Mater. Horiz.

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“…The CFC@CNTs/EP exhibited an integrated in-plane TC of 7.50 W/(m•K), and through-plane TC of 1.96 W/(m•K), and an EMI shielding effectiveness of 38.4 dB. Yang et al [75] prepared a novel EC using graphite nanosheet (GNP) and partially de-crosslinked waste epoxy resin powder(WEP). The introduction of partially de-crosslinked WEP powder in epoxy via a facile solution mixing and hot-pressing process helps to form an effective three-dimensional GNP network (Figure 9d), leading to a maximum TC of 10.1 W/(m•K) and an exceptionally high EMI shielding efficiency of 106.3 dB.…”

Section: Emi Shielding Thermally Conductive Epoxy Compositesmentioning

confidence: 99%

Recent Progress on Multifunctional Thermally Conductive Epoxy Composite

et al. 2023

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In last years, the requirements for materials and devices have increased exponentially. Greater competitiveness; cost and weight reduction for structural materials; greater power density for electronic devices; higher design versatility; materials customizing and tailoring; lower energy consumption during the manufacturing, transport, and use; among others, are some of the most common market demands. A higher operational efficiency together with long service life claimed. Particularly, high thermally conductive in epoxy resins is an important requirement for numerous applications, including energy and electrical and electronic industry. Over time, these materials have evolved from traditional single-function to multifunctional materials to satisfy the increasing demands of applications. Considering the complex application contexts, this review aims to provide insight into the present state of the art and future challenges of thermally conductive epoxy composites with various functionalities. Firstly, the basic theory of thermally conductive epoxy composites is summarized. Secondly, the review provides a comprehensive description of five types of multifunctional thermally conductive epoxy composites, including their fabrication methods and specific behavior. Furthermore, the key technical problems are proposed, and the major challenges to developing multifunctional thermally conductive epoxy composites are presented. Ultimately, the purpose of this review is to provide guidance and inspiration for the development of multifunctional thermally conductive epoxy composites to meet the increasing demands of the next generation of materials.

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“…However, because of the robust crosslinking structure of waste epoxy (WEP), recycled goods have a low value, posing a significant obstacle for epoxy recycling. Kang et al 37 introduced a new epoxy composite using partially de‐crosslinked waste epoxy resin powder and graphite nanosheets. The use of partially de‐crosslinked WEP powder in epoxy substantially aided the construction of a functional three‐dimensional GNP network.…”

Section: Case Studiesmentioning

confidence: 99%

From waste to wealth: A critical review on advanced materials for EMI shielding

Zachariah

Antony

Grohens

et al. 2022

J of Applied Polymer Sci

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Solid waste generation has increased enormously due to development in a fast‐moving world. Large amounts of industrial and agricultural waste are either incinerated or subject to landfilling, accounting for increasing air and water pollution. The 3 “R”s of waste management, reduce, reuse, and recycle, in most cases, deduce themselves to a theoretical topic. However, a stage has reached where the primary importance should be given to waste management and sustainable development where reprocessing the materials into new functional materials helps to reduce the consumption of fresh raw materials and reduces various forms of pollution. In this context, this review focuses on eliminating adverse environmental impacts of solid wastes by using various industrial by‐products and bio‐wastes as raw materials for EMI (Electromagnetic interference) shielding applications. In this review, we covered the sources, effects of electromagnetic radiation, mechanism, and factors affecting EMI shielding, synthesis of shielding materials derived from animal waste, agricultural waste, paper waste, fly ash, rubber waste. Thus, this review opens up novel opportunities by upcycling waste materials from multiple sources into highly efficient shielding materials.

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The novel upgrade recycling of waste epoxy for thermal management and electromagnetic shielding application

Cited by 14 publications

References 58 publications

Upcycling of thermosetting polymers into high-value materials

Upcycling of thermosetting polymers into high-value materials

Recent Progress on Multifunctional Thermally Conductive Epoxy Composite

From waste to wealth: A critical review on advanced materials for EMI shielding

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