纳米白炭黑增强丁苯橡胶材料的制备与表征
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摘要
采用正硅酸四乙酯为二氧化硅前驱体,纳米二氧化硅前驱体反相微乳液与溶聚丁苯橡胶原胶溶液共混原位反应生成纳米二氧化硅,使二氧化硅微粒均匀分散在溶聚丁苯橡胶原胶液中,形成二氧化硅纳米级分散的溶聚丁苯橡胶溶液,最后经过汽提干燥工艺,得到二氧化硅纳米级分散的丁苯橡胶/纳米二氧化硅绿色轮胎母炼胶.对制备出的复合材料进行X射线衍射、扫描电子显微镜等测试分析,发现制备出的二氧化硅的平均粒径为40.4nm.同时,制备出的二氧化硅被丁苯橡胶很好地包裹在内,均匀地分散在丁苯橡胶内.
Silica/styrene butadiene rubber nanocomposites were prepared using the tetraethyl orthosilicate as raw material and the cetrimonium bromide and butyl alcohol as surfactants.The nanosized silica was prepared by a reverse micro-emulsion method.The composite solution of nanosized silica-styrene butadiene rubber was obtained by mixing the nanosized silica precursor with styrene butadiene rubber solution.The nanosized silica-styrene butadiene rubber composite material was finally obtained by the way of the annular stripping.The composite material was characterized by X-ray diffraction,fourier transform infrared and scanning electron microscopy.The results show that the size of silica particles is about 40.4nm;meanwhile,silica is surrounded by styrene butadiene rubber.
Silica/styrene butadiene rubber nanocomposites were prepared using the tetraethyl orthosilicate as raw material and the cetrimonium bromide and butyl alcohol as surfactants.The nanosized silica was prepared by a reverse micro-emulsion method.The composite solution of nanosized silica-styrene butadiene rubber was obtained by mixing the nanosized silica precursor with styrene butadiene rubber solution.The nanosized silica-styrene butadiene rubber composite material was finally obtained by the way of the annular stripping.The composite material was characterized by X-ray diffraction,fourier transform infrared and scanning electron microscopy.The results show that the size of silica particles is about 40.4nm;meanwhile,silica is surrounded by styrene butadiene rubber.
引文
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[2]李颀,赵素合,焦海泉,等.炭黑-SiO2双相纳米填料的制备、结构及其填充溶聚丁苯橡胶的性能[J].合成橡胶工业,2006,29(6):454-457.LI Qi,ZHAO Su-he,JIAO Hai-quan,et al.Preparation,structure of carbon black-SiO2diphase nano-filler and properties of filled solution polymerized styrene-butadiene rubber compound[J].China Synthetic Rubber Industry,2006,29(6):454-457.(in Chinese)
[3]钱燕超.1.纳米二氧化硅(SiO2)在丁苯橡胶(SBR)基体中的分散和聚集研究;2.溴化酚醛树脂对EPDM胶料硫化特性的影响[D].北京:北京化工大学,2006.QIAN Yan-chao.1.The dispersion and aggregation of nano-silica filled SBR 2.effect of brominated phenolic resin on cure characteristics of EPDM[D].Beijing:Beijing University of Chemical Technology,2006.(in Chinese)
[4]陈奎,张天云,赵宇杰,等.TEOS的水解[J].兰州理工大学学报,2011,37(3):74-76.CHEN Kui,ZHANG Tian-yun,ZHAO Yu-jie,et al.Hydrolysis with TEOS[J].Journal of Lanzhou University of Technology,2011,37(3):74-76.(in Chinese)
[5]叶欣.高性能橡胶纳米复合材料的制备及结构性能研究[D].北京:北京化工大学,2010:1-161.YE Xin.Study on the preparation,structure,and properties of high performance rubber based nanocomposites[D].Beijing:Beijing University of Chemical Technology,2010:1-161.(in Chinese)
[6]何晓晓,石壁华,王柯敏,等.基于反相微乳液法的尺寸可控性二氧化硅纳米颗粒制备研究[J].湖南大学学报:自然科学版,2010,37(4):62-66.HE Xiao-xiao,SHI Bi-hua,WANG Ke-min,et al.Study of the preparation of size-controlled silica nanoparticles based on reverse microemulsion method[J].Journal of Hunan University:Naturnal Science,2010,37(4):62-66.(in Chinese)
[7]王振华.橡胶纳米增强机理及新型增强导热橡胶复合材料的制备、结构与性能研究[D].北京:北京化工大学,2010.WANG Zhen-hua.Study on the mechanism in rubber nano-reinforcement and preparation,structure and properties of the nano-reinforced thermal conductinve rubber composites[D].Beijing:Beijing University of Chemical Technology,2010.(in Chinese)
[8]任慧,居一新,赵素合,等.硅烷偶联剂改性二氧化硅用于补强丁苯橡胶[J].硅酸盐学报,2006,34(8):951-955.REN Hui,JU Yi-xin,ZHAO Su-he,et al.Silica modified by silane coupling agent used for reinforcing styrene-butadiene rubber[J].Journal of the Chinese Ceramic Society(JCCS),2006,34(8):951-955.(in Chinese)
[9]赵红磊,李志君,郑辉林,等.CPE/纳米SiO2增容SBR/PVC热塑性弹性体的研究[J].弹性体,2009,19(4):24-27.ZHAO Hong-lei,LI Zhi-jun,ZHENG Hui-lin,et al.Study on SBR/PVC blended thermoplastic elastomer compatibilized by CPE/nano-silica[J].China Elastomerics,2009,19(4):24-27.(in Chinese)
[10]XU S,HARTVICKSON S,ZHAO J X.Increasing surface area of silica nanoparticles with a rough surface[J].ACS Appl Mater Inter,2011,3(6):1865-1872.