硅橡胶/纳米铜复合材料的结构与性能研究  

Study on the structure and properties of silicone rubber/nano-copper (SiR/nano-Cu) composites

作　　者：陈娟[1] 陈勇军[1] 王珏[1] 罗远芳[1] 贾德民[1] 许玉芳[2] 钟兴明[2] 苗竹林[2] 韦相才[2] 

机构地区：[1]华南理工大学 材料科学与工程学院,广东广州510640 [2]广东省计划生育科学技术研究所,广东广州510060

出　　处：《弹性体》2008年第5期6-10,共5页China Elastomerics

基　　金：广东省科技厅资助项目(2007D031001007)

摘　　要：采用机械混炼法制备了一种新型的宫内节育器材料——硅橡胶/纳米铜(SiR/nano-Cu)复合材料。利用扫描电子显微镜(SEM)和X射线衍射仪(XRD)观察了复合材料的组织结构,系统研究了nano-Cu含量对复合材料的力学性能、热稳定性能和吸水性能的影响。结果表明,纳米铜在复合材料的分散比较均匀,呈纳米级分布,只有极少数发生团聚。nano-Cu能提高复合材料的硬度,在高添加量时,材料的拉伸强度稍稍下降,但撕裂强度得到了很好的保持。随着纳米铜含量的增大,复合材料的热稳定性和吸水性能大大提高。The novel copper-containing intrauterine devices （Cu-IUDs） materials-SiR/nano-Cu composites were prepared by mechanical blending. Their structure and morphology were studied by X-ray diffraction（XRD） and scanning electron microscopy （SEM）,the effects of nano-Cu on mechanical properties, thermal stability and water absorption of the composites were invesl;igated. The results showed that nano-Cu were dispersed uniformly on nanometer scale and the agglomeration of nano-Cu rarely happened. The hardness of the composites was increased with the nano-Cu content. At higher nano-Cu content,the tensile strength was slightly decreased and tear strength was well maintained. The thermal stability and water absorption of the materials were improved remarkably with nano-Cu content.

关 键 词：硅橡胶 纳米铜 力学性能 热稳定性 吸水性 

分 类 号：TQ333.93[化学工程—橡胶工业] TB331[一般工业技术—材料科学与工程]