单体结构对紫外光固化氧阻聚影响的研究

doi:10.7517/j.issn.1674-0475.2013.04.004

影像科学与光化学 ›› 2013, Vol. 31 ›› Issue (4): 276-285.DOI: 10.7517/j.issn.1674-0475.2013.04.004

单体结构对紫外光固化氧阻聚影响的研究

钱夏庆, 王德海, 李恒

浙江工业大学化学工程与材料学院, 浙江杭州 310014

收稿日期:2013-03-13 修回日期:2013-05-07 出版日期:2013-07-15 发布日期:2013-07-15
通讯作者: 王德海, E-mail:wdh@zjut.edu.cn.
作者简介:钱夏庆(1987- ),主要从事紫外光固化技术的研究

Effect of Monomer Structure on Oxygen Inhibition of UV-Curing

QIAN Xia-qing, WANG De-hai, LI Heng

College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, P.R. China

Received:2013-03-13 Revised:2013-05-07 Online:2013-07-15 Published:2013-07-15

摘要/Abstract

摘要：

利用光量热仪(UV-DSC)对单体TMPTA以及不同乙氧基化的TMPTA单体进行了紫外光固化实验。通过比较空气气氛和氮气气氛下光固化速率增长最快时的时间t_amax的差异来评价光固化初期氧阻聚的大小。考察了单体中乙氧基上的α-H的数量以及单体的流动特性对氧阻聚的影响。结果表明,提高单体中乙氧基的数量能减小光固化过程中的氧阻聚,氧阻聚的大小与单体中α-H的数量以及单体的黏度有关.

关键词: 紫外光固化, UV-DSC, 氧阻聚, α-H, 黏度

Abstract:

UV-curing of TMPTA and different ethoxylated TMPTA was studied respectively in air or nitrogen by UV-DSC.The oxygen inhibition in initial stage of curing was evaluated by the difference of the time when the curing rate growing fastest in different condition. The influence of the number of α-H in monomer and the monomer flow characteristics on oxygen inhibition was studied. The result shows that oxygen inhibition can be remitted by increasing the number of the ethyoxyls in monomer. Oxygen inhibition is related to the number of α-H and monomer viscosity.

Key words: UV-curing, UV-DSC, oxygen inhibition, α-H, viscosity

中图分类号:

钱夏庆, 王德海, 李恒. 单体结构对紫外光固化氧阻聚影响的研究[J]. 影像科学与光化学, 2013, 31(4): 276-285.

QIAN Xia-qing, WANG De-hai, LI Heng. Effect of Monomer Structure on Oxygen Inhibition of UV-Curing[J]. Imaging Science and Photochemistry, 2013, 31(4): 276-285.

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单体结构对紫外光固化氧阻聚影响的研究

Effect of Monomer Structure on Oxygen Inhibition of UV-Curing

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