Polymer-polymer complex at the interface of polymethylmetacrylate with hydroxyapatite

被引：1
作者：
Krasnov, A.P. [1 ,4 ]
Afonicheva, O.V. [1 ]
Popov, V.K. [2 ]
Volozhin, A.I. [3 ]
机构：
[1] A. N. Nesmeyanov Institute for Elementoorganic Compounds, Russian Academy of Sciences, Moscow
[2] Institute of Laser and Information Technologies, Troitsk, Moscow Region
[3] Moscow State Medical-Stomatological University, Moscow
[4] A. N. Nesmeyanov Institute for Elementoorganic Compounds, Russian Academy of Sciences, Moscow
来源：
International Journal of Polymeric Materials and Polymeric Biomaterials | 2004年 / 53卷 / 01期
关键词：
Biocompatibility; Hydroxyapatite; Polymer-polymer complex; Polymethylmetacrylate;
D O I：
10.1080/00914030490263405
中图分类号：
学科分类号：
摘要：
Chemical modification of HA with PAA and PVP solutions prior to PMMA/HA composite synthesis gave rise to a significant improvement of the bending and impact strength as well as a hardness and emollescence temperature of the final product. Polymer-polymer complexes, formed as a result of chemical interaction of non-reacted (with HA calcium ions) carboxyl group of PAA with PVP at the interface of HA with PMMA, play a key role in this improvement. Using IR spectroscopy and X-ray photoelectron spectroscopy, it was shown that all components of PMMA/HA composite can be linked together either by ionic bonds or by hydrogen bonding. This significantly enhances the mechanical properties of such bioactive polymer systems, and their functionality as an implant material.
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页码：1 / 10
页数：9
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