创新的阻燃复合无纺布回收陶瓷和聚对苯二甲酸乙二醇酯废纤维

IF 8.1 2区化学 Q1 POLYMER SCIENCE

Polymer Degradation and Stability Pub Date : 2026-03-01 Epub Date: 2025-12-15 DOI:10.1016/j.polymdegradstab.2025.111869

Lin Weng , Xiaolin Zhang , Danting Hui , Yun Li

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引用次数: 0

摘要

快速的经济增长导致全球纺织品消费激增，使废物管理基础设施不堪重负。目前，大多数不可降解的纺织品都通过填埋或焚烧处理，造成环境污染。为了解决这个问题，我们高效地将废物回收成防火复合材料，其特点是陶瓷纤维中间层和聚对苯二甲酸乙二醇酯（PET）纤维外层，采用可持续的开孔、梳理、针刺和热压技术。这种复合材料在UL-94可燃性测试中获得了V-0等级的认证，证实了其卓越的阻燃性。红外热成像分析进一步证实了其优异的隔热和耐烧蚀能力。此外，对燃烧残渣炭和气态挥发物组成的深入研究表明，没有明显的火焰危害，并且发现气相稀释与陶瓷纤维残渣炭结合，破坏了火焰-燃料相互作用，抑制了燃烧。本研究为低成本回收废旧纺织品提供了一种便捷、环保的策略，不仅可以最大限度地减少资源浪费，还可以生产出高价值的产品，从而大大减少环境污染。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Innovative flame resistant composite non-woven fabric from recycled ceramic and polyethylene terephthalate waste fibers

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Innovative flame resistant composite non-woven fabric from recycled ceramic and polyethylene terephthalate waste fibers

Rapid economic growth has led to a surge in global textile consumption, overwhelming waste management infrastructure. Most non-degradable textiles are currently disposed of by landfilling or incineration, contributing to environmental pollution. To address this problem, we efficiently recycled waste into a fireproof composite, featuring a ceramic fiber middle layer and polyethylene terephthalate (PET) fiber outer layers, using sustainable opening, carding, needle punching and hot-pressing techniques. This composite has been certified with a V-0 rating in the UL-94 flammability test, confirming its exceptional flame resistance. Infrared thermal imaging analysis further confirms its excellent thermal insulation and ablative resistance capabilities. Furthermore, an in-depth study on the composition of combustion residue char and gaseous volatiles demonstrated no significant flame hazards and revealed that gas-phase dilution combined with ceramic fiber residue char, disrupted the flame-fuel interaction to inhibit combustion. This research provides a facile and eco-friendly strategy for cost-efficient recovery of waste textiles, not only minimizing resource wastage but also producing a high-value product, thus significantly reducing environmental pollution.

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来源期刊

Polymer Degradation and Stability 化学-高分子科学

CiteScore

10.10

自引率

10.20%

发文量

325

审稿时长

23 days

期刊介绍： Polymer Degradation and Stability deals with the degradation reactions and their control which are a major preoccupation of practitioners of the many and diverse aspects of modern polymer technology. Deteriorative reactions occur during processing, when polymers are subjected to heat, oxygen and mechanical stress, and during the useful life of the materials when oxygen and sunlight are the most important degradative agencies. In more specialised applications, degradation may be induced by high energy radiation, ozone, atmospheric pollutants, mechanical stress, biological action, hydrolysis and many other influences. The mechanisms of these reactions and stabilisation processes must be understood if the technology and application of polymers are to continue to advance. The reporting of investigations of this kind is therefore a major function of this journal. However there are also new developments in polymer technology in which degradation processes find positive applications. For example, photodegradable plastics are now available, the recycling of polymeric products will become increasingly important, degradation and combustion studies are involved in the definition of the fire hazards which are associated with polymeric materials and the microelectronics industry is vitally dependent upon polymer degradation in the manufacture of its circuitry. Polymer properties may also be improved by processes like curing and grafting, the chemistry of which can be closely related to that which causes physical deterioration in other circumstances.