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Research on the Long Time Swelling Properties of Poly (vinyl alcohol)/Hydroxylapatite Composite Hydrogel
  • ISSN号：1672-6529
  • 期刊名称：《仿生工程学报：英文版》
  • 时间：0
  • 分类：O631.3[理学—高分子化学;理学—化学]
  • 相关基金：supported by the Key Program of the National Natural Science Foundation of China (Grant No. 50535050);the National Natural Science Foundation of China (Grant No. 50875252);the Program for New Century Excellent Talents in University (Grant No. NCET-06-0479);the Natural Science Foundation of Jiangsu Province (Grant No. BK2008005)
关键词： POLY, (vinyl, alcohol), HYDROXYAPATITE, composite, hydrogel, SWELLING, Property, MORPHOLOGY
中文摘要：

Poly(vinyl alcohol)/hydroxylapatite(PVA/HA)composite hydrogel was prepared by repeated freezing and thawing.Thewater loss properties of the resultant hydrogel were investigated by using optical microscope.Long time immersion tests ofPVA/HA composite hydrogel were carried out in the diluted calf serum solution to study the change laws of swelling propertieswith the freezing-thawing cycles and HA content.The micro-morphologies of PVA/HA composite hydrogel after long timeimmersion were observed by means of the high-accuracy 3D profiler.The results show that the swelling process of PVA/HAcomposite hydrogel is the converse process of its water loss.Long time swelling ratio curves of PVA/HA composite hydrogel inthe calf serum solution are manifested as four stages of quick increase,decrease,slow decrease and stable balance,and itsequilibrium swelling ratio decreases with the increase of freezing-thawing cycles and HA content.It is revealed that the networkstructure of the composite hydrogel immersed for a long period is significantly improved with the increase of HA content.Perfect network structures of PVA/HA composite hydrogel as well as full and equilibrium tissues after swelling equilibrium areobtained when the HA content is 3% and the number of freezing-thawing cycles is 7.

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期刊信息
  • 《仿生工程学报：英文版》
  • 中国科技核心期刊
  • 主管单位:教育部
  • 主办单位:吉林大学
  • 主编：
  • 地址：吉林长春人民大街5988号南岭校区
  • 邮编：130022
  • 邮箱：fsxb@jlu.edu.cn
  • 电话：0431-85094074 85095180
  • 国际标准刊号：ISSN：1672-6529
  • 国内统一刊号：ISSN：22-1355/TB
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引（扩展库）,中国中国科技核心期刊
  • 被引量:100