螯合型羟基磷灰石骨水泥的制备  

Fabrication of Chelating Hydroxyapatite Cement

作　　者：祁燕[1] 汪涛[1] 杨心[1] 王阳阳[1] 

机构地区：[1]南京航空航天大学材料科学与技术学院,南京211106

出　　处：《硅酸盐通报》2016年第2期496-499,共4页Bulletin of the Chinese Ceramic Society

基　　金：江苏省科技支撑计划项目(BE2010730);江苏高校优势学科建设工程资助项目

摘　　要：以经不同浓度植酸(IP6)溶液表面改性的羟基磷灰石(HA)粉体为固相,蒸馏水为固化液制备了基于螯合作用固化的羟基磷灰石骨水泥,研究了IP6浓度对骨水泥固化产物、抗压强度及微观形貌的影响,并初步分析了IP6与HA的螯合机理。结果表明:IP6浓度不影响骨水泥的固化产物,但对骨水泥的抗压强度和微观形貌有显著影响。当IP6浓度达到5000 ppm以上时,骨水泥抗压强度可保持在30 MPa以上,并且其内部结构更加致密。Chelating hydroxyapatite cement was prepared by using hydroxyapatite （HA） powders modified by phytie acid （IP6） with different concentrations and distilled water used as setting liquid. The study investigated the effect of IP6 concentrations on the curing product, compressive strength and micro- morphology of the prepared cement, and analyzed the mechanism for chelating process of IP6 and HA. The results show that the concentration of IP6 has no change on the curing product, but causes a great change on compressive strength and micro-morphology. When the concentration of IP6 increases to 5000 ppm, the compressive strength is above 30 MPa and the cement become more denser.

关 键 词：螯合 植酸 羟基磷灰石 骨水泥 

分 类 号：TB321[一般工业技术—材料科学与工程]