%0 Journal Article %T 纳米复合粒子GO-g-PS改性SBS复合材料性能的研究 %A 刘春华 %A 唐龙祥 %A 张燕 %A 王平华 %A 翟松涛 %J - %D 2016 %X 通过原位自由基聚合法在氧化石墨烯(GO)表面接枝聚苯乙烯(PS),制备纳米复合粒子GO-g-PS,并以此对苯乙烯-丁二烯-苯乙烯三嵌段共聚物(SBS)进行改性,研究其对SBS物理性能、热稳定性和动态力学性能的影响。结果表明:PS成功接枝到GO表面,生成GO-g-PS;当GO-g-PS质量分数为0.03时,GO-g-PS改性SBS复合材料的拉伸强度和拉断伸长率较高;与SBS和GO改性SBS复合材料相比,GO-g-PS改性SBS复合材料的物理性能、热稳定性和高温峰玻璃化温度均提高。;GO-g-PS nanoparticles were prepared by grafting polystyrene(PS)onto the surface of graphene oxide(GO) by in-situ free radical polymerization,and the obtained GO-g-PS nanoparticle was applied to modify styrene-butadiene-styrene block copolymer(SBS).The physical properties,thermal stability and dynamic mechanical properties of GO-g-PS modified SBS composites were investigated.The results showed that PS was grafted onto the surface of GO.When the mass fraction of GO-g-PS was 0.03,the tensile strength and elongation at break of GO-g-PS modified SBS composites were higher.Compared with SBS and GO modified SBS composites,the physical properties,thermal stability and glass transition temperature in the high temperature region of GO-g-PS modified SBS composites were improved %K [氧化石墨烯 %K 聚苯乙烯 %K 苯乙烯-丁二烯-苯乙烯嵌段共聚物 %K 接枝改性 %K 热稳定性 %K 动态力学性能 %K 氧化石墨烯 %K 聚苯乙烯 %K 苯乙烯-丁二烯-苯乙烯嵌段共聚物 %K 接枝改性 %K 热稳定性 %K 动态力学性能 %K graphene oxide %K polystyrene %K SBS %K grafting modification %K thermal stability %K dynamic me-chanical property] %U http://www.rubbertire.cn/gy/xjgy/ch/reader/view_abstract.aspx?file_no=XJ20161202&flag=1