有机蒙脱土对三元共混胎面胶(NR/BR/SBR)结构与性能的影响  

Influence of organic montmorillonite on the structure and properties of NR/BR/SBR composites

作　　者：郑华[1] 俞彦芳[1] 曹运章[1] 孟凡平[1] 

机构地区：[1]山东科技大学材料科学与工程学院,山东青岛266590

出　　处：《弹性体》2013年第1期75-79,共5页China Elastomerics

基　　金：浙江丰虹新材料股份有限公司资助基金项目(FH20122020)

摘　　要：采用机械共混法制备了天然橡胶(NR)/顺丁橡胶(BR)/丁苯橡胶(SBR)/有机蒙脱土(OMMT)复合材料;用X射线衍射(XRD)和扫描电镜(SEM)对复合材料的结构进行了表征,并研究了OMMT对复合材料的物理机械性能、硫化性能、热稳定性能的影响。结果表明,该复合材料为插层型复合材料,添加5phr OMMT有利于提高复合材料力学性能、耐磨性能、热稳定性能,促进硫化,降低最低扭矩。Natural rubber （NR）/cis-1,4-polybutadiene （BR）/styrene-butadiene rubber （SBR）/or- ganic montmorill-onite（OMMT）composites were prepared by mechanical blending. The structure of composites were characterized by XRD（X-ray diffraction）and SEM（scanning electron microscope）. The influence of the OMMT on the physical properties, vulcanized properties, thermal stability of com- posites were investigated. The results showed that the rubber molecular chains inserted into the OM MT layers and the composites were intercalated type of composites; The mechanical properties, anti- wear properties, thermal stability of composites were improved by addition of 5 percent of the OMMT. At the same time,the OMMT could accelerate sulfur vulcanization and reduce minimum torque.

关 键 词：NR BR SBR 有机蒙脱土 复合材料 结构 性能 

分 类 号：TQ333[化学工程—橡胶工业]