石墨烯/硅橡胶导电复合材料的制备及性能研究
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摘要
以甲基乙烯基硅橡胶(MVQ)为主体材料、石墨烯为导电填料,制备石墨烯/MVQ导电复合材料,研究石墨烯品种和用量对复合材料物理性能和导电性能的影响。结果表明:石墨烯LKR6963的剥离程度较高、片层较薄、缺陷较少,易在硅橡胶基体中形成导电网络,提高复合材料的导电性能;随着石墨烯LKR6963用量的增大,复合材料的硬度和拉伸强度明显增大,体积电阻率逐渐减小。
The graphene/silicone rubber composite was prepared using MVQ as matrix and graphene as conductive filler,and the influence of the type and addition level of graphene on the physical properties and electrical conductive property of the composite was investigated. The results showed that,graphene LKR6963 had a high peeling degree,very thin lamellae and relatively few defects,and it could easily form a conductive network in silicone rubber matrix and improve the electrical conductive property of the composite. As the addition level of graphene LKR6963 increased,the hardness and tensile strength of the composite increased significantly,while the volume resistivity decreased gradually.
The graphene/silicone rubber composite was prepared using MVQ as matrix and graphene as conductive filler,and the influence of the type and addition level of graphene on the physical properties and electrical conductive property of the composite was investigated. The results showed that,graphene LKR6963 had a high peeling degree,very thin lamellae and relatively few defects,and it could easily form a conductive network in silicone rubber matrix and improve the electrical conductive property of the composite. As the addition level of graphene LKR6963 increased,the hardness and tensile strength of the composite increased significantly,while the volume resistivity decreased gradually.
引文
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[2]朱宏伟,徐志平,谢丹.石墨烯:结构、制备方法与性能表征[M].北京:清华大学出版社,2011:11-34.
[3]唐征海,郭宝春,张立群,等.石墨烯/橡胶纳米复合材料[J].高分子学报,2014(7):865-877.
[4]补强,何方方,夏和生.石墨烯/橡胶纳米复合材料研究进展[J].高分子学报,2014(6):715-723.
[5]董月,周睿,辛振祥.石墨烯在橡胶中的应用以及研究进展[J].橡塑技术与装备,2017,43(23):24-28.
[6]贡健,蔡少雄,刘锦春.石墨烯/三元乙丙橡胶复合材料的研制[J].橡胶工业,2018,65(3):309-312.
[7]王庆念,刘寅,唐军辉,等.石墨烯填充顺丁橡胶导电复合材料的研究[J].橡胶工业,2012,59(11):650-654.
[8]李超群,李映虎,廖双泉,等.乳液法制备天然橡胶/丁苯橡胶/石墨烯纳米复合材料及性能研究[J].广东化工,2013,40(18):18-19.
[9]Liao R.Scalable and Versatile Graphene Functionalized with the Mannich Condensate[J].ACS Applied Materials&Interfaces,2013,5(6):2174-2181.
[10]罗勇悦,赵鹏飞,吕臻,等.石墨烯/天然橡胶复合材料结构与性能研究[J].化学研究与应用,2014,26(12):1898-1903.
[11]Sherif Araby.A Novel Approach to Electrically and Thermally Conductive Elastomers Using Graphene[J].Polymer,2013,54(14):3663-3670.
[12]马文石,周俊文,程顺喜.石墨烯的制备与表征[J].高校化学工程学报,2010,24(4):719-722.
[13]蔡海.石墨烯及其还原程度对硅橡胶热氧稳定性的影响[D].天津:天津大学,2014.
[14]吴娟霞,徐华,张锦.拉曼光谱在石墨烯结构表征中的应用[J].化学学报,2014(3):37-54.
[15]彭黎琼,谢金花,郭超,等.石墨烯的表征方法[J].功能材料,2013,44(21):3055-3059.
[16]李兴鳌,王博琳,刘忠儒.石墨烯的制备、表征与特性研究进展[J].材料导报,2012,26(1):61-65.
[17]杨旭宇,王贤保,李静,等.氧化石墨烯的可控还原及结构表征[J].高等学校化学学报,2012,33(9):1902-1907.
[18]黄桥,孙红娟,杨勇辉.氧化石墨的谱学表征及分析[J].无机化学学报,2011,27(9):1721-1726.
[19]刘跃文,邓顺柳,谢素原,等.氧化石墨烯的还原和烷基化及其储能性能研究[J].厦门大学学报(自然科学版),2014,53(5):674-681.
[20]杨成.功能化石墨烯及其硅橡胶复合材料的制备与性能研究[D].杭州:杭州师范大学,2015.
[21]昝晓庆.石墨烯/弹性体纳米复合材料的制备方法、微观结构及其力学和介电性能研究[D].北京:北京化工大学,2013.
[22]贾向明,杨其,李光宪,等.填充型导电高分子复合材料的逾渗理论进展[J].中国塑料,2003(6):11-16.
[23]李昂,刘虎东.导电橡胶及其应用[J].橡胶工业,2010,57(9):571-574.
[24]张继阳,邹华,田明,等.镀银玻璃微珠/硅橡胶导电复合材料逾渗值的研究[J].特种橡胶制品,2007,28(1):19-23.