Hydroxyapatite filled chitosan-polyacrylic acid polyelectrolyte complexes

被引:66
作者
Sailaja, GS [1 ]
Velayudhan, S [1 ]
Sunny, MC [1 ]
Sreenivasan, K [1 ]
Varma, HK [1 ]
Ramesh, P [1 ]
机构
[1] Sree Chitra Tirunal Inst Med Sci & Technol, Biomed Technol Wing, Thiruvananthapuram 695012, Kerala, India
关键词
D O I
10.1023/A:1025689701309
中图分类号
T [工业技术];
学科分类号
08 [工学];
摘要
Chitosan (CHI) has been complexed with polyacrylic acid (PAA) in the presence of hydroxyapatite (HAP) to prepare composites intended for bone substitute applications. Thermogravimetric analysis of the composite showed that the presence of HAP had little effect on the degradation profile of the polyelectrolyte complex (PEC), except for the onset of degradation. Optimum compressive strength was observed for 70-weight percentage HAP filled PEC. The morphological analysis revealed that the HAP particles were uniformly distributed in the PEC matrix. The results indicate that HAP filled PEC of CHI and PAA could be prepared following the proposed simple route. (C) 2003 Kluwer Academic Publishers.
引用
收藏
页码:3653 / 3662
页数:10
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