以1-[4-(2-羟乙氧基)-笨基]-2-羟基-2甲基丙酮为光引发剂,通过紫外光自由基聚合制备了交联网状聚乙二醇双丙烯酸酯共聚物水凝胶.研究结果表明,随着光照时间的增加,单体共聚的转化率提高;随着引发剂浓度的增大,单体溶液中自由基增多,聚合速度增大.FI-IR结果表明PEGDA单体经30min紫外光照射后聚合完全.
参考文献
| [1] | Elisseeff,J;Anseth,K;Sims,D;McIntosh,W;Randolph,M;Yaremchuk,M;Langer,R .Transdermal photopolymerization of poly(ethylene oxide)-based injectable hydrogels for tissue-engineered cartilage.[J].Plastic and Reconstructive Surgery,1999(4):1014-1022. |
| [2] | Bryant SJ;Anseth KS .The effects of scaffold thickness on tissue engineered cartilage in photocrosslinked poly(ethylene oxide) hydrogels.[J].Biomaterials,2001(6):619-626. |
| [3] | Nuttelman CR;Benoit DSW;Tripodi MC;Anseth KS .The effect of ethylene glycol methacrylate phosphate in PEG hydrogels on mineralization and viability of encapsulated hMSCs[J].Biomaterials,2006(8):1377-1386. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%