探索了室温下、短时间内,海藻酸钙水凝胶与乙烯基单体丙烯腈接枝共聚的反应条件.在室温(20℃)下,5g平均直径为2.5 mm的海藻酸钙水凝胶小球用8.5×10-2mol/L K2S2O8及7.0×10-2mol/LNaHSO3引发10min后,与浓度为6.22mol/L的丙烯腈反应30min,接枝率可达1520%.FTIR证实海藻酸钙水凝胶与丙烯腈之间发生了接枝共聚反应;而接枝共聚对水凝胶结构的影响,则用荧光测定法作了分析.
参考文献
| [1] | Gaserod O;Smidsrod O;Skjak-Braek G .Microcapsules of alginate-chitosan--I. A quantitative study of the interaction between alginate and chitosan.[J].Biomaterials,1998(20):1815-1825. |
| [2] | Quong D;Neufeld R J;Skj(a)k-Br(ae)k G;Poncelet D .[J].Biotechnology and Bioengineering,1998,57:438-446. |
| [3] | Kikuchi A;Okano T .Pulsatile drug release control using hydrogels.[J].Advanced drug delivery reviews,2002(1):53-77. |
| [4] | Hari P R;Chandy T;Chandra P .Sharma[J].Journal of Applied Polymer Science,1996,59:1795-1801. |
| [5] | Huguet M L;Groboillot A;Neufeld R J .[J].Journal of Applied Polymer Science,1994,51:1427-1432. |
| [6] | Xiao Congming;Zhou Lichun.[J].高分子科学（英文版） |
| [7] | Radhakrishnan N;Lakshminarayana Y;Urma Devi S .[J].Journal of Macromolecular Science Part A:Pure and Applied Chemistry,1994,A31(05):581-591. |
| [8] | Samir B Shah;Chandrakant P Patel;Harikrishna C Trivedi .[J].Journal of Applied Polymer Science,1994,51:1421-1426. |
| [9] | 潘祖仁.高分子化学[M].北京:化学工业出版社,2003:26,91. |
| [10] | Rangarajan B.;Scranton AB.;Coons LS. .CHARACTERIZATION OF HYDROGELS USING LUMINESCENCE SPECTROSCOPY [Review][J].Biomaterials,1996(7):649-661. |
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%