期刊
PROGRESS IN ORGANIC COATINGS
卷 135, 期 -, 页码 34-40出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2019.05.021
关键词
Acylphosphine oxide; Cleavage photoinitiator; Coinitiator; Low migration; Photopolymerization
资金
- National Natural Science Foundation of China [21103099, 21676285, 21306214]
- Basic Research Projects in Science and Technology Program of Qingdao [13-1-4-242-jch]
- Qingdao Indigenous Innovation Program [15-9-1-76-jch]
- Research Foundation of Qingdao Fusilin Chemical Science & Technology Co., Ltd. (FSL-RF 2016)
In order to use the visible light for light curing, a new compound named 4-diethylaminobenzoyldipenylphosphine oxide (DEAPO) was designed and synthesized. Firstly, DEAPO shows good performance as the cleavage photoinitiator in the photopolymerization of trimethylolpropane triacrylate (TMPTA). The double bond conversion obtained with DEAPO system was even higher than the widely used acyl phosphine photoinitiator (2,4,6-trimethylbenzoyl) diphenylphosphine oxide (TPO). With the same initial quality, the migration of DEAPO was much lower than TPO. Secondly, DEAPO was successfully used as coinitiator in the H-abstraction type photo-initiation system because of the diethyl amino group. Results mean that the novel acylphosphine oxide DEAPO was an efficient difunctional photoinitiator.
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