摘要
不同添加量的SAPO-34分子筛作为添加剂,对聚丙烯材料进行改性。通过挤出注塑制备出SAPO-34分子筛聚丙烯复合材料。采用示差同步扫描热分析仪(TG-DSC)、X射线衍射仪(XRD)、扫描电子显微镜(SEM)等对改性前后的聚丙烯复合材料的结构进行表征,并通过万能材料试验机和摆锤式冲击试验机等研究了复合材料的力学性能。研究结果表明:SAPO-34分子筛的添加对聚丙烯材料的力学性能具有显著的提升作用,SAPO-34分子筛添加量在5%时可达到最大的拉伸与冲击强度,最大拉伸强度可达1171 N,相比纯聚丙烯材料提高了14.5%;最大冲击强度可达6.39 kJ/m^(2),提高了47.2%。
Polypropylene material is modified by adding different amounts of SAPO-34 molecular sieve as additive,and then SAPO-34 molecular sieve polypropylene composite material were prepared by melt extrusion.By means of differential simultaneous scanning thermal analyzer(TG-DSC),X-ray diffractometer(XRD)and scanning electron microscope(SEM),the microstructure and morphology of polypropylene composite material modified by SAPO-34 molecular sieve were characterized.The mechanical properties of the composites were studied by universal material testing machine and pendulum impact testing machine.The results show that the addition of SAPO-34 molecular sieve can significantly improve the mechanical properties of polypropylene.The maximum tensile and impact strength can be achieved when the SAPO-34 molecular sieve is added in 5%.The maximum tensile strength can reach 1171 N,which is 14.5%higher than pure polypropylene material,and the maximum impact strength can reach 6.39 kJ/m^(2) with an increase of 47.2%.
作者
申韬艺
燕溪溪
刘震
王爽
黎晨欣
苏晴
应思斌
王利军
SHEN Taoyi;YAN Xixi;LIU Zhen;WANG Shuang;LI Chenxin;SU Qing;YING Sibin;WANG Lijun(School of Energy and Materials,Shanghai Polytechnic University,Shanghai 201209,China;Ningbo Jucai New Material Technology Co.,Ltd,Ningbo 315311,Zhejiang,China;Zhejiang Xinhua Chemical Co.,Ltd,Hangzhou 311600,Zhejiang,China;State Key Laboratory of Molecular Engineering of Polymers,Fudan University,Shanghai 200433,China)
出处
《上海第二工业大学学报》
2021年第4期266-273,共8页
Journal of Shanghai Polytechnic University
基金
宁波市3315资本引才计划(2020C-04-T)资助。
