Ultraviolet Curing Kinetics of Epoxy Resin in UV-Curing Reaction Photopolymerization with Real-Time Fourier Transform Infrared Spectroscopy

被引：0
|
作者：
Zhang, Lu [1 ]
Wei, Xianfu [1 ]
Huang, Beiqing [1 ]
Wang, Lili [1 ]
Xiong, Xiaotong [1 ]
机构：
[1] Beijing Inst Graph Commun, Beijing, Peoples R China
来源：
APPLIED SCIENCES IN GRAPHIC COMMUNICATION AND PACKAGING | 2018年 / 477卷
关键词：
Expanding monomer; Epoxy resin; Ultraviolet curing kinetics;
D O I：
10.1007/978-981-10-7629-9_94
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The photo-induced curing kinetics of cationic UV curing of epoxy resin were investigated with real-time Fourier transform infrared (RT/FT-IR) spectroscopy with an optical fiber ultraviolet curing system. The consumption of epoxy group as a function of time was obtained by monitoring of the oxirane absorbance in the 795-824 cm(-1) region. A spiro orthocarbonate expanding monomer 3,9-diethyl3,9-dihydroxymethyl-1,5,7,11-tetraoxa-spiro[ 5.5] undecane was added to UV curing molding material of 3D printing in different mounts. As a result, when the content of the expanded monomer is increased from 0.5 to 2.0 wt%, conversion rate increased from the original 95-98%, when the amount of expanded monomer is 0.5%, the relative reaction rate of the system achieve the highest.
引用
收藏
页码：761 / 767
页数：7
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