使用差示扫描量热(DSC)和动态力学分析(DMA)方法研究了甲基丙烯酸酯/二甲基丙烯酸酯原子转移自由基聚合(ATRP)体系交联密度与聚合行为的关系.在低交联密度体系中交联单体用量增加导致聚合速率加快,在高炙联密度体系中悬挂双键反应能力成为决定聚合速率的主要因素;微波辐射可以增强悬挂双键的反应能力,促进交联聚合;交联单体用量增加导致交联密度增大,网络均匀性变差.
参考文献
[1] | Chengfa Jiang;Youqing Shen;Shiping Zhu;David Hunkeler .Gel Formation in Atom Transfer Radical Polymerization of 2-(N,N-Dimethylamino)ethyl Methacrylate and Ethylene Glycol Dimethacrylate[J].Journal of Polymer Science, Part A. Polymer Chemistry,2001(21):3780-3788. |
[2] | Qiang Yu;Meng Zhou;Yonghong Ding .Development of networks in atom transfer radical polymerization of dimethacrylates[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(24):7058-7064. |
[3] | 周猛,覃忠琼,俞强.二甲基丙烯酸酯的ATRP交联聚合及交联结构均匀性[J].高分子材料科学与工程,2007(06):93-96. |
[4] | Qiang Yu;Faquan Zeng;Shiping Zhu .Atom Transfer Radical Polymerization of Poly(ethylene glycol) Dimethacrylate[J].Macromolecules,2001(6):1612-1618. |
[5] | Kannurpatti AR.;Bowman CN.;Anseth JW. .A study of the evolution of mechanical properties and structural heterogeneity of polymer networks formed by photopolymerizations of multifunctional (meth)acrylates[J].Polymer: The International Journal for the Science and Technology of Polymers,1998(12):2507-2513. |
[6] | Correa R.;Dougar V.;Gonzalez G. .Emulsion polymerization in a microwave reactor[J].Polymer: The International Journal for the Science and Technology of Polymers,1998(6-7):1471-1474. |
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%