新型膨胀阻燃聚丙烯复合材料的协同效应

doi:10.11901/1005.3093.2017.317

材料研究学报

2017, Vol. 31

Issue (12): 901-908 DOI: 10.11901/1005.3093.2017.317

研究论文

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新型膨胀阻燃聚丙烯复合材料的协同效应

董翔^1,², 刘泽功^1,²(

), 聂士斌^1,², 张弛^1,², 周灿^1,², 吴伟^1,²

1 安徽理工大学能源与安全学院淮南 232001
2 煤矿安全高效开采省部共建教育部重点实验室淮南 232001

Synergistic Effects of Novel Intumescent Flame Retardant Polypropylene Composites

Xiang DONG^1,², Zegong LIU^1,²(

), Shibin NIE^1,², Chi ZHANG^1,², Can ZHOU^1,², Wei WU^1,²

1 School of Energy Resources and Safety, Anhui University of Science and Technology, Huainan 232001, China
2. Key Laboratory of Safe and Effective Coal Mining of Ministry of Education, Huainan 232001, China

引用本文:

董翔, 刘泽功, 聂士斌, 张弛, 周灿, 吴伟. 新型膨胀阻燃聚丙烯复合材料的协同效应[J]. 材料研究学报, 2017, 31(12): 901-908.
Xiang DONG, Zegong LIU, Shibin NIE, Chi ZHANG, Can ZHOU, Wei WU. Synergistic Effects of Novel Intumescent Flame Retardant Polypropylene Composites[J]. Chinese Journal of Materials Research, 2017, 31(12): 901-908.

全文: PDF(2205 KB) HTML

摘要:

基于膨胀阻燃与协效阻燃相结合的技术制备了含协效剂的新型膨胀阻燃聚丙烯(PP)复合材料,其中的新型膨胀阻燃剂由硅凝胶包裹聚磷酸铵(OS-MCAPP)和三羟乙基异氰尿酸酯(THEIC)组成,协效剂为多孔磷酸镍(VSB-1)或磷酸镍纳米管(NiPO-NT)。结果表明,当VSB-1和NiPO-NT的添加量(质量分数)分别为4.0%和3.0%时复合材料的极限氧指数可达到最大值34.2,其最大热释放速率比不含协效剂时分别降低了40.7%和38.1%,表现出高效的阻燃协效性。同时,含有VSB-1和NiPO-NT阻燃PP复合材料的热稳定性显著提高,700℃时的残余质量比不含协效剂时分别提高了207%和239%。

关键词 ：复合材料, 协效剂, 膨胀阻燃, 聚丙烯

Abstract：

Novel intumescent flame retarding polypropylene based composites were synthesized with silica-gel microencapsulated ammonium polyphosphate (OS-MCAPP) and tris (2-hydrooxyethyl) isocyanurate (THEIC) as intumescent flame retardants, while porous nickel phosphate (VSB-1) or nickel phosphate nanotubes (NiPO-NT) as synergist agent. Results show that with the addition of 4.0% VSB-1 or 3.0% NiPO-NT (in mass fraction), the composites show the optimal LOI value of 34.2, while the peak heat release rate reduced respectively by 40.7% and 38.1% in comparison with that of the composite without synergist. Moreover, these two composites show better thermal stability at 700℃ with residue mass of 207% and 239%, respectively, higher than that of the composite without synergist.

Key words： composite synergist intumscent flame retardant polypropylene

收稿日期: 2017-05-15

ZTFLH:

TQ325

基金资助:国家自然科学基金(51474009)

作者简介:

作者简介董翔,男,1989年生,博士生

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https://www.cjmr.org/CN/10.11901/1005.3093.2017.317 或 https://www.cjmr.org/CN/Y2017/V31/I12/901

表1 PP/IFR/协效剂复合材料的配比

图1 新型PP/IFR复合材料的LOI值(x%协效剂,30-x%IFR)

图2 PP0、PP1、PP5和PP9的HRR和THR曲线

图3 PP0、PP1、PP5和PP9的SPR和TSP曲线

图4 PP0、PP1、PP5和PP9的CO2释放率和CO释放率曲线

图5 PP0、PP1、PP5和PP9在氮气气氛中的TG和DTG曲线

图6 PP1、PP5和PP9的炭层SEM照片

图7 PP1、PP5和PP9的XPS图谱

表2 残炭中部分元素的含量

图8 VSB-1、NiPO-NT在新型PP/IFR复合材料中的主要协效机理

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