静电纺Ag@MOF-5/β-CD抗菌纤维膜的制备及性能

doi:10.11896/cldb.18100098

材料导报

2019, Vol. 33

Issue (22): 3825-3828 https://doi.org/10.11896/cldb.18100098

高分子与聚合物基复合材料

静电纺Ag@MOF-5/β-CD抗菌纤维膜的制备及性能

胡银春^1,,程一竹¹,王仁虎¹,殷萌¹,魏延¹,杜晶晶¹,黄棣¹,陈维毅²

1 太原理工大学生物医学工程学院,纳米生物材料与再生医学研究中心,太原 030024
2 太原理工大学生物医学工程研究所, 材料强度与结构冲击山西省重点实验室, 太原 030024

Fabrication and Properties of Electrostatic Spinning Ag@MOF-5/β-CD Antibacterial Fiber Membrane

HU Yinchun¹, CHENG Yizhu¹, WANG Renhu¹, YIN Meng¹, WEI Yan¹, DU Jingjing¹, HUANG Di¹, CHEN Weiyi²

1 Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024
2 Shanxi Key Labratory of Materials Strength & Structrual Impact, Institute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024

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摘要采用水热法制备了金属有机骨架材料(MOF-5)和载银MOF-5(Ag@MOF-5),利用静电纺丝技术制备了具有三维交联网络结构的静电纺β-环糊精(β-CD)、MOF-5/β-CD、Ag@MOF-5/β-CD纤维膜。通过扫描电子显微镜(SEM)、高分辨透射电子显微镜和能谱(HRTEM&EDS)仪、热重分析(TG)仪、万能材料试验机及抑菌圈法对静电纺纤维膜进行了形貌、结构表征及性能测试。结果表明:Ag@ MOF-5纳米晶片中均匀负载大量直径为3~5 nm的球状银纳米粒子。静电纺β-CD纤维直径约为500 nm,分布均一,表面光滑平整;MOF-5、Ag@MOF-5加入纺丝液后,纤维直径分布不均,出现大量细丝且更为平直;Ag@MOF-5随成膜物质呈纤维状排列,大部分被成膜物包裹。纤维膜的耐热温度为250 ℃,MOF-5、Ag@MOF-5的加入不影响β-CD的交联过程、吸水特性及热分解温度;Ag@MOF-5的加入量可达1%(质量分数)且保持静电纺Ag@MOF-5/β-CD纤维膜的力学性能不降低。静电纺MOF-5/β-CD对两种菌的24 h抗菌性能受限,而Ag@MOF-5的加入量为0.5%(质量分数)时Ag@MOF-5/β-CD的24 h抗菌效果达到良好。

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	胡银春
	程一竹
	王仁虎
	殷萌
	魏延
	杜晶晶
	黄棣
	陈维毅

关键词: 金属有机骨架银纳米粒子静电纺丝 β-环糊精(β-CD) 抗菌材料

Abstract: The metal-organic frameworks materials MOF-5 and silver-loaded MOF-5 (Ag@MOF-5) were prepared by hydrothermal method. Electrostatic spinning beta-Cyclodextrin(β-CD),MOF-5/β-CD,Ag@MOF-5/β-CD fiber membranes with three dimensional crosslinking network structure were prepared by electrostatic spinning and in situ thermal crosslinking methods. The morphology, structure characterization and properties of electrostatic spun fiber membranes were tested by scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM&EDS), thermal weightlessness (TG), universal material testing machine and bacteriostatic method. The results show that Ag@MOF-5 nanocrystals are uniformly loaded with a large number of globular silver nanoparticles which is about 3—5 nm in diameter. The diameter of electrostatic spinning β-CD fiber is about 500 nm which is uniformly distributed and has smooth surface. When MOF-5 and Ag@MOF-5 were added into the spinning solution, the diameter of the fibers is not evenly distributed, and a large number of filaments appeared. Most of Ag@MOF-5 is a fibrous arrangement and wrapped by the fiber forming material. The heat resistance temperature of fiber membrane is 250 ℃. Ag@MOF-5 does not affect the crosslinking process, water absorption properties of thermal decomposition temperature of β-CD fiber membrane. The addition amount of Ag@MOF-5 can be up to 1wt%, and the mechanical properties of electrostatic spinning Ag@MOF-5/β-CD fiber membrane is not reduced. Electrostatic spinning MOF-5/β-CD has limited antibacterial properties against both bacteria, while 0.5wt% Ag@MOF-5/β-CD has achieved good 24 h antibacterial effect.

Key words: metal-organic frameworks silver nanoparticles electrostatic spinning beta-cyclodextrin (β-CD) antibacterial materials

出版日期: 2019-11-25 发布日期: 2019-09-16

ZTFLH:

O646

基金资助: 国家自然科学基金(11802197;115020158;11632013)

作者简介: 胡银春,太原理工大学,副教授。2013年1月毕业于中国石油大学(北京),材料学博士专业学位。同年加入太原理工大学工作至今,主要从事生物医用材料的研发,重点研究静电纺抗菌纤维膜、高分子水凝胶的制备、表征以及应用。在国内外重要期刊发表文章10余篇,申报发明专利3项。

引用本文:

胡银春, 程一竹, 王仁虎, 殷萌, 魏延, 杜晶晶, 黄棣, 陈维毅. 静电纺Ag@MOF-5/β-CD抗菌纤维膜的制备及性能[J]. 材料导报, 2019, 33(22): 3825-3828.
HU Yinchun, CHENG Yizhu, WANG Renhu, YIN Meng, WEI Yan, DU Jingjing, HUANG Di, CHEN Weiyi. Fabrication and Properties of Electrostatic Spinning Ag@MOF-5/β-CD Antibacterial Fiber Membrane. Materials Reports, 2019, 33(22): 3825-3828.

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http://www.mater-rep.com/CN/10.11896/cldb.18100098 或 http://www.mater-rep.com/CN/Y2019/V33/I22/3825

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