临床口腔医学杂志2016，Vol.32Issue(5)：272-274,3.DOI:10.3969/j.issn.1003-1634.2016.05.007
聚乙烯醇水凝胶含水率影响因素的初步研究
A preliminary study on polyvinyl alcohol hydrogel of moisture influence factors
摘要
Abstract
Objective: To study the related factors that affected the moisture content of polyvinyl alcohol(PVA) hydrogels. Method:After lyophilization PVA hydrogel was immersed in simulated body fluid(SBF) in reswelling,the effects of different molecular weights, different cycles and different concentrations of PVA hydrogels reswelling with time. Result:The differernce of PVA hydrogels water content, in the same conditions of other factors between high molecular weight group ,moderate molecular weight group and low molecular weight group that was significant (P<0.05).The moisture con-tent of high molecular weight group was the hightest,and low molecular weight group was the lowest. The moisture content of PVA hydrogels that with the refrigeration cycle 1 time was 47%,while with 3 times, 5 times, 7 times the moisture con-tents were greater than 80 %, no significant difference (P>0.05) among the three groups. The moisture content different concentration PVA hydrogels were tested. The difference that compared among the 4 groups(10 wt%group>15 wt%group>20 wt%group>25 wt%group), was significant(P<0.05). Conclusion:Under the experimental conditions, the moisture content of the PVA hydrogel with high molecular weight was high,with high concentration the moisture content was low. And the PVA hydrogel with refrigeration cycle 3~7 times had a high moisture content rate.关键词
聚乙烯醇/水凝胶/含水率Key words
Polyvinyl alcohol/Hydrogel/Moisture content分类
医药卫生引用本文复制引用
胡孝丽,陈启林,柴红波,操永芳,夏凌云,兰玲玲,陈士龙..聚乙烯醇水凝胶含水率影响因素的初步研究[J].临床口腔医学杂志,2016,32(5):272-274,3.基金项目
云南省教育厅基金项目 （）
