F-ZrP@Co-MOF协效膨胀阻燃聚丙烯性能研究

doi:10.16265/j.cnki.issn 1003-3033.2021.01.008

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (1): 52-59.doi: 10.16265/j.cnki.issn 1003-3033.2021.01.008

F-ZrP@Co-MOF协效膨胀阻燃聚丙烯性能研究

欧红香教授, 叶青, 徐家成, 刘犇, 单雪影讲师, 蒋军成^** 教授

常州大学环境与安全工程学院,江苏常州 213164

收稿日期:2020-10-13 修回日期:2020-12-05 出版日期:2021-01-28 发布日期:2021-07-28
通讯作者: **蒋军成(1967—),男,江苏淮安人,博士,教授,主要从事危险化学品与化工过程安全、城市公共安全与应急等方面的研究工作。E-mail:jiangjc@cczu.edu.cn。
作者简介:欧红香 (1976—),女,湖南宜章人,博士,教授,主要从事阻燃材料、环境安全功能材料等方面的研究。E-mail:ouhongxiang@cczu.edu.cn。
基金资助:
国家重大科研仪器研制项目(21927815);江苏省333人才项目(BRA2018323);江苏高校“青蓝工程”项目;江苏省研究生科研与实践创新计划项目(KYCX19_1796,KYCX18_2626)。

Study on performance of F-ZrP@Co-MOF synergistic intumescent flame retardant polypropylene

OU Hongxiang, YE Qing, XU Jiacheng, LIU Ben, SHAN Xueying, JIANG Juncheng

School of Environmental & Safety Engineering, Changzhou University, Changzhou Jiangsu 213164, China

Received:2020-10-13 Revised:2020-12-05 Online:2021-01-28 Published:2021-07-28

摘要/Abstract

摘要： 为提高聚丙烯(PP)热稳定性,改善膨胀阻燃剂(IFR)对其力学性能不利影响,利用六氯环三磷腈、三聚氰胺甲醛树脂对磷酸锆-金属有机骨架杂化材料(ZrP@Co-MOF)表面修饰,制备新型纳米阻燃剂F-ZrP@Co-MOF,与聚磷酸铵、双季戊四醇构成IFR/F-ZrP@Co-MOF膨胀阻燃体系。在IFR/F-ZrP@Co-MOF添加质量分数为25%时,考察F-ZrP@Co-MOF对PP燃烧及力学性能等影响。结果表明:未添加 F-ZrP@Co-MOF时PP/IFR极限氧指数(LOI)为29.6%,添加量为3.0%时LOI提高了6.08%;添加质量分数为1.0%时800 ℃的残炭量提高了180.1%;添加量为2.0%时弹性模量为57.21 MPa,比未添加提高了8.3%。拉曼光谱和烟密度测试结果表明添加F-ZrP@Co-MOF炭层更加致密稳定,有利于抑制热量和烟气的传递。

关键词: 磷酸锆(ZrP), 金属有机骨架材料(MOFs), 膨胀阻燃剂(IFR), 聚丙烯(PP), 热稳定性

Abstract: In order to improve thermal stability of PP and reduce negative effects of IFR on PP's mechanical properties, hexachlorocyclotriphosphazene and melamine formaldehyde resin were used to modify zirconium phosphate-metal organic framework hybrid materials (ZrP@Co-MOF) and to prepare a novel nano flame retardant F-ZrP@Co-MOF which, combined with ammonium polyphosphate and dipentaery-thritol, synthesized IFR/F-ZrP@Co-MOF flame retardant. Then, effects of F-ZrP@Co-MOF on combustion and mechanical properties of PP composites were analyzed with 25% mass-ratio addition of IFR/F-ZrP@Co-MOF.The results show that without addition of F-ZrP@Co-MOF, limiting oxygen index (LOI) of PP/IFR is 29.6% while with 3.0% addition of it, LOI value will be improved by 6.08%. With 1.0% addition, residual carbon contents at 800 ℃ is increased by 180.1% compared with no addition at all, and with 2.0% addition, elastic modulus will be 57.21MPa, 8.3% higher. The Raman spectrum and smoke density tests further prove that addition of F-ZrP@Co-MOF makes carbon layer more compact and stable, which is beneficial to restraining heat and smoke transfer.

Key words: zirconium hydrogenphosphate(ZrP), metal organic frameworks (MOFs), intumescent flame retardant (IFR), polypropylene (PP), thermal stability

中图分类号:

X937
TQ322

欧红香, 叶青, 徐家成, 刘犇, 单雪影, 蒋军成. F-ZrP@Co-MOF协效膨胀阻燃聚丙烯性能研究[J]. 中国安全科学学报, 2021, 31(1): 52-59.

OU Hongxiang, YE Qing, XU Jiacheng, LIU Ben, SHAN Xueying, JIANG Juncheng. Study on performance of F-ZrP@Co-MOF synergistic intumescent flame retardant polypropylene[J]. China Safety Science Journal, 2021, 31(1): 52-59.

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F-ZrP@Co-MOF协效膨胀阻燃聚丙烯性能研究

Study on performance of F-ZrP@Co-MOF synergistic intumescent flame retardant polypropylene

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