以过硫酸铵为引发剂,采用半间歇式无皂乳液聚合法合成了P(NIPAM-co-AAc)共聚物,采用化学分析法测定了不同单体配比下共聚物的组成,采用FR法、KT法及YBR计算法得到单体竞聚率.结果表明,异丙基丙烯酰胺与丙烯酸共聚的单体竞聚率分别为0.4416和0.2558,两种单体都倾向于与另一种单体聚合形成交替共聚物.
参考文献
| [1] | Joannis S Scarpa;Delbert D M;Irving M Klotz .Slow hydrogen-deuterium exchange in a non-.alpha.-helical polyamide[J].Journal of the American Chemical Society,1967,89(24):6024. |
| [2] | 杨桔,霍丹群,侯长军.温敏性PNIPAAm多孔水凝胶制备方法的研究进展[J].材料导报,2010(17):62-65,70. |
| [3] | 侯长军,周雪松,霍丹群,杨桔.NIPA系温敏凝胶结构改性及性能研究进展[J].材料导报,2008(07):35-38,43. |
| [4] | 任彦荣,霍丹群,侯长军.温敏性聚合物聚N-异丙基丙烯酰胺及其应用[J].材料导报,2004(11):54-56,60. |
| [5] | Xiong, W.;Gao, X.;Zhao, Y.;Xu, H.;Yang, X. .The dual temperature/pH-sensitive multiphase behavior of poly(N-isopropylacrylamide-co-acrylic acid) microgels for potential application in in situ gelling system[J].Colloids and Surfaces, B. Biointerfaces,2011(1):103-110. |
| [6] | Wei, Q.;Zhang, F.;Li, F.;Li, H.;Zang, P.;Zhao, C. .Synthesis of stimuli-responsive nanoparticles by solution polymerization[J].Journal of Macromolecular Science. Pure and Applied Chemistry,2011(1/3):135-141. |
| [7] | Shivkumar V. Ghugare;Pamela Mozetic;Gaio Paradossi .Temperature-Sensitive Poly(vinyl alcohol)/ Poly(methacrylate-co-N-isopropyl acrylamide) Microgels for Doxorubicin Delivery[J].Biomacromolecules,2009(6):1589-1596. |
| [8] | Ryuhei Motokawa;Satoshi Koizumi;Takeji Hashimoto;Masahiko Annaka;Takayuki Nakahira .Soap-Free Emulsion Polymerization of Poly(ethylene glycol)-block-poly(N-isopropylacrylamide): Elucidation of Specific Reaction Fields for Quasi-Living Polymerization by Time-Resolved SANS[J].Macromolecules,2010(2):752-764. |
| [9] | Nur H;Pinkrah V T;Mitchell J C et al.Synthesis and properties of polyelectrolyte microgel particles[J].Advances in Colloid and Interface Science,2010,158(1-2):15. |
| [10] | Ma L;Liu M;Liu H;Chen J;Cui D .In vitro cytotoxicity and drug release properties of pH- and temperature-sensitive core-shell hydrogel microspheres.[J].International Journal of Pharmaceutics,2010(1/2):86-91. |
| [11] | 顾婷,查刘生.相转变温度范围窄的聚（N-异丙基丙烯酰胺）温敏性微凝胶[J].功能高分子学报,2007(03):286-291. |
| [12] | 潘祖仁.高分子化学[M].北京:化学工业出版社,2003 |
| [13] | Fineman M;Ross S D .Linear method for determining monomer reactivity ratios in copolymerization[J].Journal of Polymer Science,1950,5(02):259. |
| [14] | Kelen T;Tudos F .Analysis of the linear methods for determining copolymerization reactivity ratios Ⅰ.A new improved linear graphic method[J].J Macromol Sci Part A:Pure Appl Chem,1975,9(01):1. |
| [15] | Yezrielev A J;Brokhina E L;Roskin Y S .A new linear method for determining copolymerization reactivity ratios[J].Vysokom ol Soedin,1969,A11(08):1670. |
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%