2-(4-甲氧基苯基)-4,6-双(三氯甲基)-S-三嗪光引发剂的合成及其光聚合动力学性能研究

doi:10.7517/j.issn.1674-0475.2011.02.99

影像科学与光化学 ›› 2011, Vol. 29 ›› Issue (2): 99-107.DOI: 10.7517/j.issn.1674-0475.2011.02.99

2-(4-甲氧基苯基)-4,6-双(三氯甲基)-S-三嗪光引发剂的合成及其光聚合动力学性能研究

路健¹, 宋国强¹, 王克敏¹, 马贵平², 聂俊²

1. 常州大学制药与生命科学学院, 江苏常州213164;
2. 北京化工大学材料科学与工程学院, 北京100029

收稿日期:2010-10-18 修回日期:2011-01-17 出版日期:2011-03-23 发布日期:2011-03-23
通讯作者: 宋国强
基金资助:
江苏省自然科学基金(BK2010190)

Synthesis and Photopolymerization Kinetics of 2-(4-Methoxyphenyl)-4,6-bis(trichloromethyl)-S-triazine Photoinitiator

LU Jian¹, SONG Guo-qiang¹, WANG Ke-ming¹, MA Gui-ping², NIE Jun²

1. School of Pharmaceutical and Life Science, Changzhou University, Changzhou 213164, Jiangsu, P.R.China;
2. College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R.China

Received:2010-10-18 Revised:2011-01-17 Online:2011-03-23 Published:2011-03-23

摘要/Abstract

摘要： 以对甲氧基苯甲腈和三氯乙腈为原料合成了光引发剂2-(4-甲氧基苯基)-4,6-双(三氯甲基)-S-三嗪(MBTT),通过傅里叶红外光谱仪、核磁共振仪和紫外吸收光谱对所合成的产物结构进行了表征.并利用实时红外(RT-IR)对该引发剂进行了光聚合反应动力学研究,考察了单体、引发剂浓度和光强对引发速率及单体转化率的影响.结果表明,MBTT是一种高效的紫外光引发剂,在引发剂用量为0.1%时光聚合的单体转化率就能达到90%;随着光强的增大,单体的双键转化率和最大反应速率都增大,诱导期缩短;双丙烯酸酯类单体的双键转化率比三丙烯酸酯类单体的双键转化率要高.

关键词: 光引发剂, 光聚合, 动力学, 性能研究, 实时红外

Abstract: 2-(4-methoxyphenyl)-4,6-bis(trichloromethyl)-S-triazine(MBTT),a highly efficient UV initiator,which was synthesized based on p-methoxy benzonitrile and trichloro acetonitrile.MBTT was characterized by FTIR,¹HNMR and UV absorption spectra.Real time infrared spectroscopy(RTIR) was used to investigate the effect of different monomer system,different light intensity and concentrations of photoinitiator on the polymeirzation kinetics.The results showed that the double bond conversion of diacrylate monomer is higher than that of triacrylate monomer.With the increase of light intensity,the rate of polymerization(R_p) and final double bond conversion increased and the induction period shortened.

Key words: photoinitiator, photopolymerization, kinetics, performance study, RT-IR

中图分类号:

路健, 宋国强, 王克敏, 马贵平, 聂俊. 2-(4-甲氧基苯基)-4,6-双(三氯甲基)-S-三嗪光引发剂的合成及其光聚合动力学性能研究[J]. 影像科学与光化学, 2011, 29(2): 99-107.

LU Jian, SONG Guo-qiang, WANG Ke-ming, MA Gui-ping, NIE Jun. Synthesis and Photopolymerization Kinetics of 2-(4-Methoxyphenyl)-4,6-bis(trichloromethyl)-S-triazine Photoinitiator[J]. Imaging Science and Photochemistry, 2011, 29(2): 99-107.

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2-(4-甲氧基苯基)-4,6-双(三氯甲基)-S-三嗪光引发剂的合成及其光聚合动力学性能研究

Synthesis and Photopolymerization Kinetics of 2-(4-Methoxyphenyl)-4,6-bis(trichloromethyl)-S-triazine Photoinitiator

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