| 人工软骨材料——聚乙烯醇水凝胶的研制 |
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| 引用本文： | 顾正秋. 人工软骨材料——聚乙烯醇水凝胶的研制[J]. 生物医学工程学杂志, 1999, 0(1): 13-18 |
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| 作者姓名： | 顾正秋 |
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| 作者单位： | 北京科技大学材料科学与工程学院腐蚀工程系!北京100083 |
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| 摘 要： | 聚乙烯醇溶液于－２０℃左右的温度下冷冻６－１２ｈ，室温下颌化１－２ｈ，上述过程反复进行１－３次，然后对试样进行真空脱水处理，制得一种人工软骨材料－ＰＶＡ水凝胶。
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| 关 键 词： | 人工软骨 聚乙烯醇水凝胶 反复冷冻融化 |
TheDevelopment of a Kind of Artificial Articular Cartilage-PVA-hydrogel |
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| Gu Zhengqiu. TheDevelopment of a Kind of Artificial Articular Cartilage-PVA-hydrogel[J]. Journal of biomedical engineering, 1999, 0(1): 13-18 |
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| Authors: | Gu Zhengqiu |
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| Affiliation: | Department of Corrosion Enginerring, College of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083. |
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| Abstract: | In this study, the process included aqueous Poly (vinyl alcohol) solutions frozen at -20 degrees C for 6-12 h, and then thawed for 1-2 h. The same process was repeated 1-3 times. After the specimen was dehydrated in vacuum, a kind of artificial articular cartilage--PVA-hydrogel was made up. Subsequently, the micromorphology of PVA-hydrogel was observed by means of optical microscopy and SEM. DSC and mechanical tests were employed in ivestigating the influence of freesing, thawing, dehydrating and irradiating upon the crystallity and the mechanical properties of PVA-hydrogel. |
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| Keywords: | Artificial articular cartilagel PVA hydrogel Freezing thawing repeatedly Dehydrating in vacuum Cross linking by irradiation |
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