High Value Recycle of Waste Cross-Linking Polyethylene with the Contribution of Phosphogypsum to Prepare Composites

Liao, Yilan; Tan, Qianyue; Yang, Shuangqiao; Chen, Yi-Chuan; Chen, Gentao; Bai, Shibing

doi:10.1007/s12649-023-02065-z

Cited by 2 publications

(2 citation statements)

References 53 publications

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“…The S 3 M process can break down the cross-links and produce high-quality recycled XLPE products with excellent mechanical and thermal properties. The use of this method will help to alleviate the environmental impact of XLPE waste and create a sustainable recycling process . Innes et al reported that waste XLPE and natural rubber underwent devulcanization through solid-state shear milling (S3M), yielding a fine powder that facilitates easier reprocessing.…”

Section: Recycling Of Cross-linked Polyethylenementioning

confidence: 99%

“…The use of this method will help to alleviate the environmental impact of XLPE waste and create a sustainable recycling process. 40 Innes et al reported that waste XLPE and natural rubber underwent devulcanization through solid-state shear milling (S3M), yielding a fine powder that facilitates easier reprocessing. The resulting thermoplastic vulcanizates (TPVs) exhibited properties including a high elongation to failure comparable to those of virgin materials.…”

Section: Recycling Of Cross-linked Polyethylenementioning

confidence: 99%

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Review on Recycling of Cross-Linked Polyethylene

Selvin,

Shah,

Maria

et al. 2024

Ind. Eng. Chem. Res.

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Cross-linked polyethylene is one of the most widely used thermosetting plastics. Due to its low cost, lightweight, and exceptional insulation properties against electricity and heat, it is frequently used as an insulation material for wires and cables. This polymer attracted interest in several different applications, including building services, piping systems, hydronic radiant heating, cooling systems, etc. However, because XLPE is a thermosetting plastic with limited fluidity and poor moldability, recycling this cross-linked form of polyethylene is extremely important. Due to irreversible covalent cross-linking, recycling XLPE is a very challenging task, and it can contribute to serious environmental issues, including soil and air pollution because most of this industrial waste is buried in landfills or removed by incineration. Therefore, recycling this kind of material with a crosslinked network structure is highly problematic. Therefore, we need an energyefficient, cost-effective, and eco-friendly recycling process to safeguard our ecosystem. In this article, we are systematically reviewing the recent advances in the recycling of XLPE. The major challenges are also discussed.

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Section: Recycling Of Cross-linked Polyethylenementioning

confidence: 99%

Section: Recycling Of Cross-linked Polyethylenementioning

confidence: 99%

Review on Recycling of Cross-Linked Polyethylene

Selvin,

Shah,

Maria

et al. 2024

Ind. Eng. Chem. Res.

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Cross-Linked Polyolefins: Opportunities for Fostering Circularity Throughout the Materials Lifecycle

Shapiro,

Brigandi,

Moubarak

et al. 2024

ACS Appl. Polym. Mater.

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Cross-linked polyolefins (XLPOs) constitute a significant portion of the plastics commercial market, with a market size of a similar order of magnitude to those of polystyrene and polyethylene terephthalate. However, few aspects of XLPO materials circularity have been examined relative to thermoplastic polyolefins. The cross-linking of polyolefins imparts superior performance properties, such as impact strength, chemical and electrical resistance, and thermal stability vs thermoplastic analogues, but it also makes the reprocessing of XLPOs to valuable products more challenging, as XLPOs cannot be molten. Thus, most XLPOs are incinerated or landfilled at the end of the first lifecycle, even though XLPO products are commonly collected as a relatively clean waste stream−providing a unique opportunity for valorization. In this review, we discuss approaches to improve XLPO circularity throughout the entire materials lifecycle by examining biobased feedstocks as alternative olefinic monomer sources and by assessing both traditional mechanical and advanced XLPO recycling methods based on industrial feasibility and potential product value. We also consider how advancing materials longevity can reduce environmental impacts and lifecycle costs and how recyclable-by-design strategies can enable better end-of-life opportunities for future generations of XLPO materials. Throughout this review, we highlight XLPO circularity routes that have the potential to balance the performance, circularity, and scalability necessary to impart economic and environmental viability at an industrial scale.

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High Value Recycle of Waste Cross-Linking Polyethylene with the Contribution of Phosphogypsum to Prepare Composites

Cited by 2 publications

References 53 publications

Review on Recycling of Cross-Linked Polyethylene

Review on Recycling of Cross-Linked Polyethylene

Cross-Linked Polyolefins: Opportunities for Fostering Circularity Throughout the Materials Lifecycle

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