Preparation and Property of Coatings Carrying Extract of Rhizoma Drynariae on the Surface of Pure Titanium

被引：0
|
作者：
Peng Shuhao [1 ]
Li Muqin [1 ]
Wang Jingyan [1 ]
Tian Qinwen [1 ]
机构：
[1] Jiamusi Univ, Key Lab Biomed Mat Heilongjiang Prov, Jiamusi 154007, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2019年 / 48卷 / 06期
关键词：
pure titanium; micro arc oxidation; rhizoma drynariae; phytic acid; bone repairing material; BEHAVIOR; ALLOY;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To improve the bioactivity of surface of titanium and reduce infection rate of implantation, porous coatings were prepared by ultrasonic micro arc oxidation (UMAO) and phytic-acid-coupled extract of rhizoma drynariae (ERD) was loaded in the coatings. Besides, the structure, surface morphology and performance of the coatings were investigated. The results indicate that nano particles of drug loading increase in number with the increasing of ERD concentration. The surface of the coatings produce PO43-, P2O74- and O=P-O-. The friction coefficient of the coating carrying ERD with concentration of 12.5 g/L is lower. Also, this coating is hydrophilic. The potential increases by 0.33 similar to 0.45 V and self -corrosion current decreases by an order of magnitude for the coatings carrying ERD. The coatings produce HA after soaking in SBF for 7 d. In conclusion, the corrosion resistance, binding force and bioactivity are improved by drug loading coupled with phytic acid after MAO on the pure titanium.
引用
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页码：1921 / 1928
页数：8
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