A new carbazolyl-basedacylphosphine oxide photoinitiator with high performance and low migration

被引：21
作者：
Wu, YinPing [1 ]
Li, Rui [1 ]
Wang, JiuWu [1 ]
Situ, Yue [1 ]
Huang, Hong [1 ]
机构：
[1] South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China
来源：
JOURNAL OF POLYMER SCIENCE | 2022年 / 60卷 / 01期
关键词：
allyl group; carbazolyl-based acylphosphine oxide; low migration; photoinitiator; photopolymerization; SYSTEMS; DESIGN; ACYL;
D O I：
10.1002/pol.20210586
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In order to obtain a new photoinitiator with high efficiency, low migration, and high solubility in acrylate monomers, a new compound named 9-allyl-9H-carbazol-3-yldipenylphosphine oxide (ALPO) was designed and synthesized. Compared to 9-ethyl-9H-carbazol-3-yldipenylphosphine oxide, the double bond conversion (DC) and solubility of ALPO in acrylic monomers were greatly improved, and the migration rate was greatly reduced after replacing the ethyl group in the molecule with an allyl group. Compared with (2,4,6-trimethylbenzoyl) diphenylphosphine oxide (TPO), which was widely used commercially, ALPO had a higher DC and lower migration rate. This means that ALPO may be able to replace TPO in the light curing field.
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页码：52 / 61
页数：10
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