摘要
采用溶胶-凝胶法和冷冻干燥法制备的石墨烯气凝胶(GA)与白炭黑复合制得白炭黑/GA复合填料(s-GA),通过机械共混法制备s-GA/白炭黑/丁苯橡胶(SBR)复合材料,并对其性能进行研究。结果表明:在GA中填充白炭黑,可有效减少石墨烯片层的团聚,s-GA/白炭黑/SBR复合材料的t90缩短,抗湿滑性能提高;当s-GA中GA/白炭黑用量比为1/5时,s-GA/白炭黑/SBR复合材料的拉伸强度和拉断伸长率最大;随着s-GA中白炭黑用量的增大,s-GA/白炭黑/SBR复合材料的耐磨性能提高。
Graphene aerogel(GA)was prepared by sol-gel and freeze drying method,and silica/GA composite filler(s-GA)was prepared by GA and silica complexing.The s-GA/silica/styrene-butadiene rubber(SBR)composites were prepared by mechanical blending and their properties were studied.The results showed that,silica was successfully complexed in the GA,the agglomeration of graphene lamellas was decreased effectively,t 90 of the s-GA/silica/SBR composites were shortened,and the wet skid resistance were improved.When the dosage ratio of GA/silica was 1/5,the tensile strength and elongation at break of the s-GA/silica/SBR composites were the highest.As the dosage of silica in s-GA increased,the wear resistance of s-GA/silica/SBR composites were improved.
作者
李佳芮
谢丽丽
涂菁婉
郑龙
许宗超
张立群
刘力
温世鹏
LI Jiarui;XIE Lili;TU Jingwan;ZHENG Long;XU Zongchao;ZHANG Liqun;LIU Li;WEN Shipeng(Beijing University of Chemical Technology,Beijing 100029,China;Beijing Oriental Yuhong Waterproof Technology Co.,Ltd,Beijing100123,China)
出处
《橡胶工业》
CAS
2020年第5期335-340,共6页
China Rubber Industry
基金
国家重点研发计划项目(2017YFE0126800)
国家自然科学基金资助项目(51573007)。
