原位法制备沉淀白炭黑/NR纳米复合材料的研究  

In-situ preparation of precipitated silica/NR nano-composites

作　　者：唐铭徽[1] 李超[1] 桂红星[1] 廖建和[1] 廖小雪[1] 

机构地区：[1]海南大学材料与化工学院,海南儋州571737

出　　处：《弹性体》2009年第4期14-16,共3页China Elastomerics

基　　金：海南省自然科学基金项目(50104)

摘　　要：以硅酸钠为前驱体,在天然胶乳凝固制备天然橡胶(NR)的过程中,原位生成沉淀白炭黑来制备沉淀白炭黑/NR纳米复合材料,扫描电镜(SEM)研究表明该方法可以成功得到沉淀白炭黑/NR纳米复合材料,物理机械性能研究表明沉淀白炭黑对NR有较好的补强作用,在纳米沉淀白炭黑用量为8份时复合材料的综合性能最好。Using sodium silicate as a precursor,precipitated silica and precipitated silica/NR nano-com- posites were prepared in-situ in the course of NR latex coagulation. SEM picture showed that the size of most precipitated silica particles was less than 100 nm. Properties of precipitated silica /NR nano-composites revealed that nano-size precipitated silica had a good reinforcement effect on NR, the physical and mechanical properties of composite reached the best with a precipitated silica amount of 8%.

关 键 词：沉淀白炭黑 NR 纳米复合材料 

分 类 号：TQ332[化学工程—橡胶工业] TQ330.15