高等学校化学学报

高等学校化学学报 ›› 2002, Vol. 23 ›› Issue (11): 2142.

• 研究论文 • 上一篇    下一篇

CaP/壳聚糖复合膜层的电化学共沉积研究

胡仁, 胡皓冰, 林昌健   

  1. 厦门大学固体表面物理化学国家重点实验室, 材料科学与工程系, 化学系, 厦门361005
  • 收稿日期:2001-06-12 出版日期:2002-11-24 发布日期:2002-11-24
  • 通讯作者: 林昌健(1951年出生),男,博士,教授,博士生导师,从事电化学研究.E-mail:cjlin@cmu.edu.cn E-mail:cjlin@cmu.edu.cn
  • 基金资助:

    国家自然科学基金(批准号:29873039)资助

Preparation and Characterization for a Co-deposited Hybrid Coating of Calcium Phosphate/Chitosan on Ti Alloy Surface

HU Ren, HU Hao-Bing, LIN Chang-Jian    

  1. State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Materials Science and Engineering, Department of Chemistry, Xiamen University, Xiamen 361005, China
  • Received:2001-06-12 Online:2002-11-24 Published:2002-11-24

PDF (PC)

被引次数

36

摘要： 用电化学共沉积方法在医用钛合金表面成功制备了CaP/壳聚糖复合膜层,并用XRD,SEM,FTIR漫反射光谱和XPS等对复合膜层化学组成及结构进行表征.结果表明,加入壳聚糖可使钙磷沉积层结构发生显著变化,将壳聚糖掺入钙磷沉积层,形成CaP/壳聚糖复合物和杂化物.力学实验表明,在钛基底表面未进行表面预处理条件下,CaP/壳聚糖复合膜层与钛基底的结合力高达2.6MPa,比单一CaP电化学沉积层与基底的结合力提高约4倍.文中还对壳聚糖参与表面电沉积反应机理进行了讨论.

关键词: CaP膜层, 壳聚糖, 电化学共沉积, 生物材料

Abstract: In this work, a novel electrodeposition has been developed to prepare a hybrid coating of calcium phosphate/chitosan on the surface of Ti alloy. The surface morphologies, chemical compositions and crystalline structures of the hybrid coatings are characterized by using various spectroscopic techniques, such as SEM, XPS, FTIR and XRD etc.. The results indicate that a hybrid coating of calcium phosphate/chitosan is formed on the metal surface when adding minor of chitosan to the electrolyte of calcium phosphate under the electrodeposition condition. The morphology of the hybrid coating is significantly different with that of the pure calcium phosphate. It is also shown that the bonding strength of the hybrid coating to the metal substrate has been increased as high as 2.6 MPa because of the incorporation of chitosan in the coating. Meanwhile, the chitosan is a natural polymer compound with good biological-properties, it is proposed to be of a high biocompatibility and an excellent biocompatibility when forming a hybrid coating of calcium phosphate/chitosan on a metal substrate. It means that the electrodeposited hybrid coating of calcium phosphate/chitosan developed in our lab may become a new promising implant biological material.

Key words: CaP film coating, Chitosan, Electrochemical co-deposition, Biological material

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