聚(3-羟基丁酸-co-4-羟基丁酸酯)/碳纳米管复合微孔发泡薄膜研究  

Study on poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/carbon nanotube microcellular foaming film

作　　者：李梅[1] 李志强[1] 邵蔚[2] 

机构地区：[1]中国民航大学理学院,天津300300 [2]北京航空航天大学材料科学与工程学院,北京100083

出　　处：《功能材料》2014年第18期18087-18091,共5页Journal of Functional Materials

摘　　要：用红外(FT-IR)谱、X射线衍射(XRD)、扫描电镜(SEM)、透射电镜(TEM)和差示扫描量热仪(DSC),研究了多壁碳纳米管(MWCNT)分别在强酸和偶氮二异丁腈(AIBN)+过氧化二苯甲酰物(BPO)中的表面修饰过程,并将其与聚(3-羟基丁酸-co-4-羟基丁酸酯)/碳纳米管复合,制备了微孔发泡薄膜,孔径最大50μm,最小10μm。结果表明,在相同溶剂条件下,偶氮二异丁腈+过氧化二苯甲酰可以成功地实现碳纳米管的表面修饰,修饰后的碳管浓度为1%(质量分数)与聚合物较好相容,当其比例为1∶2、1∶1时分别获得"莲蓬型"和"蜂窝型"微孔发泡结构薄膜,并具有较好的导电性。The chemical functionalization process of carbon nanotubes(MWCNT)by hydrothermal treatments was investigated systemati-cally under various reaction conditions,including different reagents,treatment time, and temperature.The treated samples were char-acterized by the FT-IR,XPS and TGA spectroscopy,SEM and TEM structure.The results revealed that the hydrothermal technology was an effective method for the function-alization of MWCNTs and the control of the resulting chemical groups.In the same solvent conditions,azobi-sisobutyronitrile and benzoylperoxide can successfully realize the surface modification of carbon nanotubes, modified carbon nanotubes at concentration 10wt% and a microcellular foaming P(3HB-co-4HB)compositemi-crocellular foaming film films,at the ratio of 1∶2,1∶1 were obtained the'Shower-type'and'Honeycomb'microporous foaming structure of thin film,respectively,and had good electrical conductivity.

关 键 词：碳纳米管 聚(3-羟基丁酸-co-4-羟基丁酸酯) 表面功能化 微孔发泡薄膜 导电性 

分 类 号：TQ328.3[化学工程—合成树脂塑料工业] TB383[一般工业技术—材料科学与工程]