Interface engineering of MXene towards highly fire-safe epoxy resin with enhanced thermal conductivity

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING Composites Part A: Applied Science and Manufacturing Pub Date : 2024-11-10 DOI:10.1016/j.compositesa.2024.108585

Chuan Liu, Shu-Gen Wu, Jie-Hao He, Xin Li, Zhen Qin, Dong-Yi He, Yan-Fang Xiao, Yi Wang, Yu-Zhong Wang, Li Chen

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Abstract

The integration of superior flame retardancy and enhanced thermal conductivity of epoxy resins (EP) is highly desirable for practical applications. Herein, novel organophosphorus-decorated MXene hybrid flame retardant (PMXene) was prepared by the interface engineering between melamine diphenylphosphinate (MDP) and two-dimensional titanium carbide (MXene). With the loading of 6.0 wt% PMXene, the EP/6.0PMXene material achieved a V-0 rating during the UL 94 testing besides the high limiting oxygen index (35.2 %). Cone calorimetric results revealed that the peak of heat release, peak of smoke release rate and smoke factor values of EP/6.0PMXene were reduced by 36.6 %, 27.6 % and 48.6 %, respectively, in comparison with those of pristine EP. Besides, the PMXene hybrid enhanced the thermal conductivity of EP to 0.38 W/m·K, a 52.0 % improvement over pristine EP. Thus, this work provides a novel strategy for fabricating thermosetting materials with high fire-safety and enhanced thermal conductivity.

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对 MXene 进行界面工程处理，以获得导热性更强的高防火安全性环氧树脂

在实际应用中，将环氧树脂（EP）的优异阻燃性与增强导热性相结合是非常理想的。本文通过三聚氰胺二苯基膦酸盐（MDP）与二维碳化钛（MXene）之间的界面工程制备了新型有机磷装饰 MXene 混合阻燃剂（PMXene）。EP/6.0PMXene 材料的 PMXene 含量为 6.0 wt%，在 UL 94 测试中达到了 V-0 级，同时还具有较高的极限氧指数（35.2%）。锥形量热结果显示，与原始 EP 相比，EP/6.0PMXene 的放热峰值、烟雾释放率峰值和烟雾系数值分别降低了 36.6%、27.6% 和 48.6%。此外，PMXene 混合物还将 EP 的热导率提高到 0.38 W/m-K，比原始 EP 提高了 52.0%。因此，这项工作为制造具有高防火安全性和更高导热性的热固性材料提供了一种新策略。

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.