溶液喷射纺聚谷氨酸纳米纤维及其性能研究
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摘要
文章利用溶液喷射纺丝技术,以聚乳酸(PLA)为助纺剂成功制备了聚谷氨酸(PGA)纳米纤维膜,利用场发射扫描电镜(FESEM)、傅里叶变化红外光谱分析(FTIR)、热重分析(TGA)和X射线光电子能谱分析(XPS)对纤维的结构和性能进行分析,结果表明纺丝液浓度为15wt%且随着聚谷氨酸含量的增大纤维直径逐渐增大,另外聚谷氨酸含量为50wt%时所制备的纳米纤维表面平滑且直径较小为659nm。
In this paper,poly glutamic acid(PGA)nanofiber mats were prepared by solution blowing process,and the structure and properties of nanofiber mats were investigated by field emission scanning electron microscopy(FESEM),fourier transform infrared spectrometer(FTIR),thermogravimetric analysis(TGA)and X-ray photoelectron spectrometer(XPS).The results indicate that with the PGA contents increasing,the average diameter of nanofibers increase gradually.The surface of nanofibers is smooth and the average diameter of nanofibers is 659 nm,when the PGA content is 50wt% and the concentration of spinning solution is 15wt%.
In this paper,poly glutamic acid(PGA)nanofiber mats were prepared by solution blowing process,and the structure and properties of nanofiber mats were investigated by field emission scanning electron microscopy(FESEM),fourier transform infrared spectrometer(FTIR),thermogravimetric analysis(TGA)and X-ray photoelectron spectrometer(XPS).The results indicate that with the PGA contents increasing,the average diameter of nanofibers increase gradually.The surface of nanofibers is smooth and the average diameter of nanofibers is 659 nm,when the PGA content is 50wt% and the concentration of spinning solution is 15wt%.
引文
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[2]王银利,陈艳,王鸿博,等.二醋酸(SCA)纳米纤维的制备与性能表征[J].材料导报,2010,(S1):100—102.
[3]李建娇,莘俊莲,邵克让,等.TiO2纳米纤维结构材料的模板辅助-溶剂热法制备[J].湖北大学学报(自然科学版),2015,(2):148—153.
[4]曾戎,刘宏伟,屠美,等.仿生壳聚糖基纳米纤维的自组装构建[J].高分子材料科学与工程,2009,(12):122—125.
[5]张小强.静电纺丝法制备一维纳米复合材料[D].杭州:浙江理工大学,2012.
[6]王新威,胡祖明,潘婉莲,等.纳米纤维的制备技术[J].材料导报,2003,(S1):21—23.
[7]安林红,王跃.纳米纤维技术的开发及应用[J].当代石油石化,2002,(1):41—45.
[8]郭群,李佳轩,马英杰.多头超细复合纤维(海岛型)成套装备技术的研究[J].聚酯工业,2014,(4):18—20.
[9]Pedroza O J O,Dutra Filho J C,Picciani P H S,et al.Morphology and Proton Conductivity of Composite Membranes Based on Poly(Styrene Sulfonic Acid-maleic Anhydride)Nanofibers Prepared by Electrospinning[J].Ionics,2015,21(3):755—764.
[10]孙复钱,严伯刚,王小玉,等.聚乙烯醇/二氧化钛复合纳米纤维膜的制备和改性[J].材料科学与工程学报,2016,(1):54—58.
[11]Yang J M,Yang J H,Tsou S C,et al.Cell Proliferation on PVA/Sodium Alginate and PVA/Poly(γ-glutamic acid)Electrospun Fiber[J].Materials Science and Engineering:C,2016,(66):170—177.
[12]Li L,Kang W,Zhuang X,et al.A Comparative Study of Alumina Fibers Prepared by Electro-blown Spinning(EBS)and Solution Blowing Spinning(SBS)[J].Materials Letters,2015,(160):533—536.
[13]Li L,Kang W,Zhao Y,et al.Preparation of Flexible Ultra-fine Al2O3Fiber Mats Via the Solution Blowing Method[J].Ceramics International,2015,41(1):409—415.
[14]Zhuang X,Jia K,Cheng B,et al.Solution Blowing of Continuous Carbon Nanofiber Yarn and Its Electrochemical Performance for Supercapacitors[J].Chemical Engineering Journal,2014,237(1):308—311.
[15]Cheng B,Tao X,Shi L,et al.Fabrication of ZrO2Ceramic Fiber Mats by Solution Blowing Process[J].Ceramics International,2014,40(9):15013—15018.
[16]黄金,陈宁.γ-聚谷氨酸的性质与生产方法[J].发酵科技通讯,2005,(3):4—8.
[17]关阳,王国良,张国峰,等.γ-聚谷氨酸及其生物合成机制的研究进展[J].食品研究与开发,2014,(2):117—121.