摘要
利用炭黑颗粒掺杂石墨烯得到炭黑-石墨烯纳米杂化粒子,经乳液复合制备炭黑-石墨烯/天然橡胶母胶,然后通过密炼制得炭黑-石墨烯/天然橡胶纳米复合材料,研究掺杂体系内炭黑用量对炭黑-石墨烯/天然橡胶复合材料的微观形貌、力学性能、压缩生热性能和耐磨性能的影响。结果表明:炭黑颗粒吸附在石墨烯表面,有效抑制了石墨烯的堆叠,从而减少了大片径多层石墨烯的形成,且随着炭黑用量的增大,石墨烯的裸露区域逐渐减少;当掺杂体系中炭黑/石墨烯用量比为10/1时,石墨烯在橡胶中的分散状态得到明显提升,复合材料的宏观力学性能、压缩生热性能和耐磨性能均明显改善。
In this paper,carbon black particles doped with graphene were used to prepare carbon blackgraphene nano-hybrid particles.Carbon black-graphene/natural rubber masterbatch was prepared by emulsion composite method,and the carbon black-graphene/natural rubber nanocomposites were obtained by internal mixing.The effects of the amount of carbon black content on the microstructure,mechanical properties,compression heat generation and wear resistance of carbon black-graphene/NR nanocomposites were investigated.The results showed that,carbon black particles adsorbed on the surface of graphene,effectively suppressed the stacking of graphene and reduced the formation of large and multi-layer graphene.Moreover,as the amount of carbon black increased,the exposed area of graphene gradually decreased.When mass ratio of carbon black and graphene was 10/1,the dispersed state of graphene in rubber was obviously improved,and the macro-mechanical properties,compression heat-generating properties and wear resistance of the composites were significantly improved.
作者
杨兰香
刘晓晨
秦立攀
曹建苹
廖万林
高明
YANG Lanxiang;LIU Xiaochen;QIN Lipan;CAO Jianping;LIAO Wanlin;GAO Ming(Beijing Graphene Institute Co.,Ltd,Beijing 100029,China;Ningxia Shenzhou Tyre Co.,Ltd,Shizuishan 753400,China)
出处
《橡胶科技》
CAS
2024年第7期370-377,共8页
Rubber Science and Technology
基金
宁夏回族自治区重点研究项目(2020ZDYF1131)。
关键词
石墨烯
炭黑
杂化
天然橡胶
复合材料
分散
力学性能
压缩生热性能
耐磨性能
graphene
carbon black
hybrid
natural rubber
composite
dispersion
mechanical property
compression heat generation
abrasion resistance
