炭黑与一维填料协同补强氟橡胶
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摘要
选取了钛酸钾晶须(PTW)和碳纳米管(CNTs)两种一维填料分别与炭黑(N990)协同补强氟橡胶,同时探究了硅烷偶联剂KH550对填料并用体系性能的影响,并系统地研究协同补强机理。结果表明:无论是高温还是常温条件下,N990、PTW和CNTs均能提升氟橡胶(FKM)的力学性能,其中CNTs对FKM的力学性能提升更明显,而N990和PTW使FKM具有较好的压缩永久变形性能;KH550的加入有利于N990/PTW/FKM体系中填料的分散,使其力学性能大幅增加,表现出较强的协同效应,同时保持了较好的压缩永久变形性能;N990/CNTs/FKM同样表现出较强的协同效应,但其压缩永久变形性能下降。
In this work,two kinds of one-dimensional fillers of carbon nanotubes(CNTs)and potassium titanate whiskers(PTW)were selected to react with N990,and the effect of KH550 on the properties of the fillers and the mechanism of synergistic reinforcement were investigated systematically.The results showed that N990,PTW and CNTs can improve the mechanical properties of fluororubber(FKM)at high temperature and room temperature,it was more obvious for CNTs to improve the mechanical properties of FKM,but N990 and PTW can lead FKM to have a good pressure deformation performance.The addition of KH550 favored the dispersion of the fillers in the N990/PTW/FKM composite,which resulted in a strong synergistic effect,while maintaining agood compression set.The N990/CNTs/FKM composite also showed a strong synergistic effect,but the compression performance decreased.
In this work,two kinds of one-dimensional fillers of carbon nanotubes(CNTs)and potassium titanate whiskers(PTW)were selected to react with N990,and the effect of KH550 on the properties of the fillers and the mechanism of synergistic reinforcement were investigated systematically.The results showed that N990,PTW and CNTs can improve the mechanical properties of fluororubber(FKM)at high temperature and room temperature,it was more obvious for CNTs to improve the mechanical properties of FKM,but N990 and PTW can lead FKM to have a good pressure deformation performance.The addition of KH550 favored the dispersion of the fillers in the N990/PTW/FKM composite,which resulted in a strong synergistic effect,while maintaining agood compression set.The N990/CNTs/FKM composite also showed a strong synergistic effect,but the compression performance decreased.
引文
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[2]徐竹.填料体系对氟橡胶的性能影响及其表征[D].成都:四川大学,2006.XU Zhu.Effect of Filler System on Properties of Fluororubber and Its Characterization[D].Chengdu:Sichuan University,2006.
[3]王珊,苏正涛,赵艳芬.填料对过氧化物硫化氟橡胶性能的影响[J].航空材料学报,2016,36(2):40-45.WANG Shan.SU Zhengtao.ZHAO Yanfen.Effect of filler on properties of peroxide vulcanized fluororubber[J].Journal of Aeronautical Materials,2016,36(2):40-45.
[4]高洪强,张培亭,肖建斌,等.碳纳米管在氟橡胶中的应用研究[J].弹性体,2016,26(2):61-64.GAO Hongqiang,ZHANG Peiting,XIAO Jianbin,et al.Application of carbon nanotubes in fluororubber[J].Elastomer,2016,26(2):61-64.
[5]HE X,SHI X,HOCH M,et al.Mechanical properties of carbon black filled hydrogenated acrylonitrile butadiene rubber for packer compounds[J].Polymer Testing,2016,53:257-266.
[6]PAYNE A R.Reinforcement of Elastomers[M].New York:Interscience Publishers,1965:69.
[7]PAYNE A R.The dynamic properties of carbon black-load natural rubber vulcanizates.Part I[J].Journal of Applied Polymer Science,1962,19(6):57-63.
[8]PAYNE A R.Dynamic properties of heat-treated butyl vulcanizates[J].Journal of Applied Polymer Science,1963,7:873-885.
[9]PAYNE A R.Effect of dispersion on the dynamic properties of filler-loaded rubbers[J].Journal of Applied Polymer Science,1965,9:2273-2284.
[10]TANG Z,ZHANG C,WEI Q,et al.Remarkably improving performance of carbon black-filled rubber composites by incorporating MoS2nanoplatelets[J].Composites Science and Technology,2016,132:93-100.
[11]WU S,ZHANG L,WENG P,et al.Correlating synergistic reinforcement with chain motion in elastomer/nanocarbon hybrids composites[J].Soft Matter,2016,12(33):6893-6901.
[12]王鹭,付宾,杨晓翔.炭黑增强天然橡胶Mullins效应的影响因素研究[J].机电工程,2016,33(1):37-42.WANG Lu,FU Bin,YANG Xiaoxiang.Study on the factors affecting the Mullins effect of carbon black reinforced natural rubber[J].Mechanical and Electrical Engineering,2016,33(1):37-42.
[13]傅国娟.补强填料与丁基橡胶相互作用的研究[D].青岛:青岛科技大学,2015.FU Guojuan.Study on the Interaction Between Reinforcing Filler and Butyl Rubber[D].Qingdao:Qingdao University of Science and Technology,2015.
[14]吴向东.影响硫化橡胶压缩永久变形的因素[J].广东橡胶,2005(3):6-7.WU Xiangdong.Factors affecting the compression set of vulcanized rubber[J].Guangdong Rubber,2005(3):6-7.
[15]单领弟.炭黑填充氢化丁腈橡胶复合网络结构的演变[D].青岛:青岛科技大学,2013.SHAN Lingdi.Evolution of Carbon Black Filled Hydrogenated Nitrile Rubber Composite Network Structure[D].Qingdao:Qingdao University of Science and Technology,2013.