Effect of surface modified hydroxyapatite on the tensile property improvement of HA/PLA composite

被引：122
|
作者：
Li, J.
Lu, X. L.
Zheng, Y. F. [1 ,1 ]
机构：
[1] Peking Univ, Coll Engn, Dept Adv Mat & Nanotechnol, Beijing 100871, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2008年 / 255卷 / 02期
关键词：
PLA; Hydroxyapatite; Surface modification; Composite;
D O I：
10.1016/j.apsusc.2008.06.067
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, we modified the surface of hydroxyapatite (HA) particle by ring-opening polymerization of lactide (LA). The modified HA particles were characterized by IR and TGA. It was shown that LA could be graft-polymerized onto the surface of HA. A series of composites based onmodified HA/PLA were further prepared and characterized. It indicated that the modified HA particles were well dispersed in PLA matrix than unmodified HA particles and the adhesion between HA particle and PLA matrix was improved. The modified HA/PLA composites showed good mechanical properties than that of unmodified HA/PLA. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：494 / 497
页数：4
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