碱式硫酸镁晶须对聚丙烯阻燃及发泡性能的影响
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摘要
以马来酸酐接枝聚丙烯(PP-g-MAH)为相容剂,将WS-152和WS-3D两种碱式硫酸镁晶须(MOS)分别以不同含量加入聚丙烯(PP),用熔融共混法制得PP/MOS复合材料,并对复合材料进行间歇发泡处理,得到PP/MOS复合发泡材料。研究了两种碱式硫酸镁晶须的含量分别对复合材料的阻燃性能、拉伸性能和发泡性能的影响。结果表明,碱式硫酸镁晶须的加入,能够提升复合材料的阻燃性能、拉伸性能和发泡性能,且WS-152的作用效果更显著。
Taking maleic anhydride grafted polypropylene( PP-g-MAH) as compatibilizer,two types of basic magnesium sulfate whiskers( MOS), which were WS-152 and WS-3D, were blended into polypropylene( PP) with different contents. The PP/MOS composite materials were prepared by melt blending and subjected to batch foaming process to obtain the PP/MOS foaming composites. The effects of the content of two basic magnesium sulfate whiskers on the flame retardancy, tensile properties and foaming properties of the composites were investigated. The results show that the flame retardancy,tensile properties and foaming properties of the composites could be improved with the addition of basic magnesium sulfate whiskers,and the effect of basic magnesium sulfate whiskers of WS-152 is more obvious.
Taking maleic anhydride grafted polypropylene( PP-g-MAH) as compatibilizer,two types of basic magnesium sulfate whiskers( MOS), which were WS-152 and WS-3D, were blended into polypropylene( PP) with different contents. The PP/MOS composite materials were prepared by melt blending and subjected to batch foaming process to obtain the PP/MOS foaming composites. The effects of the content of two basic magnesium sulfate whiskers on the flame retardancy, tensile properties and foaming properties of the composites were investigated. The results show that the flame retardancy,tensile properties and foaming properties of the composites could be improved with the addition of basic magnesium sulfate whiskers,and the effect of basic magnesium sulfate whiskers of WS-152 is more obvious.
引文
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[3]胡海青,赵尧森,王亚,等.晶须改性聚丙烯[J].塑料工业,2001,29(2):46-47.
[4]龚维,高家诚,何力,等.微发泡聚丙烯/晶须复合材料的发泡行为与力学性能[J].高分子材料科学与工程,2011,27(3):67-70.
[5]陈明,高山俊,沈春晖.聚丙烯微发泡材料改性研究进展[J].中国塑料,2018,35(5):8-14.
[6]栾维涛,韩友泉,栾昊,等.微发泡PP复合材料研究进展[J].工程塑料应用,2017,45(5):145-150.
[7]李驰祥,姜修磊,刘涛,等.纳米碳酸钙/IFR对聚丙烯发泡材料的协效阻燃[J].塑料,2016,45(2):40-43.
[8]杨杰.新型无卤阻燃聚丙烯复合材料的制备研究[J].化工技术与开发,2018,47(7):24-25.
[9]徐建林,刘晓琦,陈林,等.阻燃聚丙烯复合材料的研究进展[J].塑料工业,2017,45(10):9-13.
[10]党力,乃学瑛,朱东海,等.聚丙烯/碱式硫酸镁晶须复合材料等温结晶动力学研究[J].塑料科技,2017,45(4):41-46.
[11]姜玉芝,张丽丽,张忠阳,等.碱式硫酸镁晶须/聚丙烯复合材料力学性能的研究[J].沈阳理工大学学报,2012,34(4):60-63.
[12]赵梦,王刚,梁兵.碱式硫酸镁晶须的制备及其填充PP的性能研究[J].沈阳化工大学学报,2016,30(1):11-17.
[13]党力.碱式硫酸镁晶须表面改性及其在聚丙烯材料中的应用研究[D].青海:中国科学院大学(中国科学院青海盐湖研究所),2017.
[14]刘猛,王海增,张芳华,等.碱式硫酸镁晶须对膨胀阻燃聚丙烯的协效作用[J].高分子材料科学与工程,2016,32(3):59-63.
[15] KUMAR V,SUH N P. A process for making microcellular thermoplastic parts[J]. Polym Eng Sci,2010,30(20):1323-1329.
[16]刘玲,赖学军,王岩,等.可膨胀石墨/碱式硫酸镁晶须阻燃PP的研究[J].塑料,2008,37(6):29-31.