Facile preparation of heptazine-covered Fe2O3 and its synergistic effect on the enhanced flame retardance of silicone rubber composite

IF 6.5 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2024-09-24 DOI:10.1016/j.coco.2024.102104

Jaewon Lee , Kyoungtae Park , Su Min Oh , Byeong Seok Kim , Hye In Kang , Sung-Hyeon Baeck , Sang Eun Shim , Yingjie Qian

{"title":"Facile preparation of heptazine-covered Fe2O3 and its synergistic effect on the enhanced flame retardance of silicone rubber composite","authors":"Jaewon Lee , Kyoungtae Park , Su Min Oh , Byeong Seok Kim , Hye In Kang , Sung-Hyeon Baeck , Sang Eun Shim , Yingjie Qian","doi":"10.1016/j.coco.2024.102104","DOIUrl":null,"url":null,"abstract":"<div><div>The flammability of silicone rubber (SR) significantly limits its broad use in areas that require high flame retardancy. In this study, heptazine-covered Fe<sub>2</sub>O<sub>3</sub>, which exhibits effective flame retardancy, was prepared using simple ball milling and heat treatment, which are advantageous for large-scale production. The prepared filler was incorporated into SR. The addition of 7.02 wt% FM filler increased the thermal degradation onset temperature at 5 % weight loss from 492.5 °C for neat SR to 502.7 °C (FM 1:1 composite). Moreover, the peak heat release rate and peak smoke production rate of the FM 1:1 composite significantly decreased by 43.15 % and 68.42 %, respectively, indicating a significant enhancement in the fire safety and smoke suppression of the FM composites. The chemical, morphological, and electronic structures of the FM fillers, pyrolysis gas production, and char residue were thoroughly investigated to reveal the possible flame-retarding mechanisms of the SR composites.</div></div>","PeriodicalId":10533,"journal":{"name":"Composites Communications","volume":"51 ","pages":"Article 102104"},"PeriodicalIF":6.5000,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Composites Communications","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S245221392400295X","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, COMPOSITES","Score":null,"Total":0}

引用次数: 0

Abstract

The flammability of silicone rubber (SR) significantly limits its broad use in areas that require high flame retardancy. In this study, heptazine-covered Fe₂O₃, which exhibits effective flame retardancy, was prepared using simple ball milling and heat treatment, which are advantageous for large-scale production. The prepared filler was incorporated into SR. The addition of 7.02 wt% FM filler increased the thermal degradation onset temperature at 5 % weight loss from 492.5 °C for neat SR to 502.7 °C (FM 1:1 composite). Moreover, the peak heat release rate and peak smoke production rate of the FM 1:1 composite significantly decreased by 43.15 % and 68.42 %, respectively, indicating a significant enhancement in the fire safety and smoke suppression of the FM composites. The chemical, morphological, and electronic structures of the FM fillers, pyrolysis gas production, and char residue were thoroughly investigated to reveal the possible flame-retarding mechanisms of the SR composites.

查看原文本刊更多论文

简便制备七嗪包覆的 Fe2O3 及其对增强硅橡胶复合材料阻燃性的协同效应

硅橡胶（SR）的易燃性极大地限制了它在要求高阻燃性领域的广泛应用。本研究采用简单的球磨和热处理方法制备了具有有效阻燃性能的七嗪包覆 Fe2O3，这种方法有利于大规模生产。将制备好的填料加入 SR 中。添加 7.02 wt% 的 FM 填料后，在 5% 失重时的热降解起始温度从纯 SR 的 492.5 ℃ 升至 502.7 ℃（FM 1:1 复合材料）。此外，FM 1:1 复合材料的峰值热释放率和峰值烟雾产生率分别显著降低了 43.15 % 和 68.42 %，这表明 FM 复合材料的防火安全性和烟雾抑制能力显著增强。通过对调频填料的化学结构、形态结构和电子结构、热解产气和残炭进行深入研究，揭示了 SR 复合材料可能的阻燃机理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.