journal article·2022-12-23

Construction of Nanomaterials Based on Molybdenum Disulfide Decorated onto a Metal–Organic Framework (UiO-66) to Improve the Fire Retardancy of Epoxy

Jing Zhang, Xiang Ao, Xiuqin Zhang, Rui Wang, Xu Jin, Wen Ye, Baoyun Xu, De-Yi Wang

ACS Applied Nano Materials· Volume 5· Issue 12
Publisher page

Abstract

With the aim of achieving highly efficient fire-safe epoxy resin (EP) and conducting a thorough analysis of the catalytic carbonization performance, a dual transition metal species 3D nanostructured UiO66-MoS2 nanohybrid was prepared with a zirconium metal–organic framework (MOF, UiO-66) as an inner structure and nano-molybdenum disulfide (MoS2) as an outer structure. The results showed that with the addition of 1% of UiO66-MoS2 nanohybrid, EP nanocomposites exhibited 44 and 50% decrease in the peak heat release rate and carbon monoxide production, respectively. High-performance liquid chromatography-mass spectrometry and Fourier transform infrared spectroscopy characterizations for the char following extraction, via the Soxhlet extraction method, verified that the presence of MOF increased the amount of residue and catalytically promoted the carbonization process via lowering the carbonization temperature, in particular, the MOF catalytically cyclized alkene substrates containing phenol groups to form lactone. Therefore, the improvement in the fire safety of EP is attributed to the enhancement of the quality of the char and its barrier effect. In perspective, this work paves the way and provides insights into studying the catalytic carbonization performance in the fire retardancy field.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Flame retardant materials and properties · Covalent Organic Framework Applications · Fiber-reinforced polymer composites

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Materials Design and Engineering Department, Beijing Institute of Fashion Technology, Beijing 100029, China

Beijing Key Laboratory of Clothing Materials R&D and Assessment, Beijing Engineering Research Center of Textile Nanofiber, Beijing Institute of Fashion Technology, Beijing 100029, China

IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain

Universidad Politécnica de Madrid, E.T.S. de Ingenieros de Caminos, 28040 Madrid, Spain

State Key Laboratory of Polyolefins and Catalysis, Shanghai Engineering Research Center of Functional FR Materials, Shanghai Research Institute of Chemical Industry Co. LTD., Shanghai 200062, China

Sino-Spanish Joint Research Center for Advanced Materials Technology, Shanghai Research Institute of Chemical Industry Co. LTD., Shanghai 200062, China

Universidad Francisco de Vitoria, Ctra. Pozuelo-Majadahonda km 1,800, Pozuelo de Alarcón, 28223 Madrid, Spain

Funding

Beijing Association for Science and Technology · Beijing Scholars Program · Beijing Institute of Fashion Technology

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