对含有甲基丙烯酸缩水甘油酯(GMA)的丙烯酸酯类光固化胶粘剂分别进行自由基光固化和自由基/阳离子混杂光固化,利用红外光谱研究了GMA含量和阳离子光引发剂对光固化过程和胶粘剂粘接性能的影响.红外光谱结果表明,GMA的双键聚合速度大于芳香族聚氨酯二丙烯酸酯(6201)和丙烯酸异冰片酯(IBOA),GMA与6201的共聚倾向大于IBOA与6201的共聚倾向.阳离子光引发剂的加入会加大固化体系中的自由基浓度,导致固化体系的凝胶率降低.GMA在与IBOA形成的混合体系中的物质的量分数≤70％时,混杂光固化胶粘剂的剪切强度随着GMA含量的增加而增加.
参考文献
| [1] | Decker C. .Kinetic study and new applications of UV radiation curing [Review][J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2002(18):1067-1093. |
| [2] | James V. Crivello .Synergistic effects in hybrid free radical/cationic photopolymerizations[J].Journal of Polymer Science, Part A. Polymer Chemistry,2007(16):3759-3769. |
| [3] | Christian Decker;Trieu Nguyen Thi Viet;Hong Pham Thi .Photoinitiated cationic polymerization of epoxides[J].Polymer international,2001(9):986-997. |
| [4] | C. Decker;T. Nguyen Thi Viet;D. Decker .UV-radiation curing of acrylate/epoxide systems[J].Polymer: The International Journal for the Science and Technology of Polymers,2001(13):5531-5541. |
| [5] | Cho JD;Hong JW .UV-initiated free radical and cationic photopolymerizations of acrylate/ep oxide and acrylate/vinyl ether hybrid systems with and without photosensitizer[J].Journal of Applied Polymer Science,2004(3):1473-1483. |
| [6] | KUMAR R.N.;WOO C.K.;ABUSAMAH A. .UV Curing of Surface Coating System Consisting of Cycloaliphatic Diepoxide-ENR-Glycidyl Methacrylate by Cationic Photoinitiators—Characterization of the Cured Film by FTIR Spectroscopy[J].Journal of Applied Polymer Science,1999(8):1569-1577. |
| [7] | 胡小龙,黄鹏程.聚醚胺对环氧树脂高低温粘接性能的影响[J].粘接,2004(04):20-23. |
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%