Abstract
Two cationic photoinitiators are successfully synthesized, which are S,S-dialkyl-S-(3,5-dimethyl-4-hydroxyphenyl) sulfonium(4HPS) and S,S-dialkyl-S-(3,5-dimethyl-2-hydroxy-phenyl) sulfonium(2HPS). The FT-IR, H-NMR and elemental analysis have been used for the structural characterizations. The cure behavior of photoinitiator/ZH92-21 is investigated through FT-IR combined with a high pressure mercury lamp. The result shows that the polymerization rate increases with increase of the photoinitiators concentration. This is consistent with the kinetic equation. The cure rate of 2HPS/ZH92-21 is faster than 4HPS/ZH92-21. 2-isopropylthioxanthone can be used as photosensitizer to HPS photoinitiator/ZH92-21.
| Original language | English |
|---|---|
| Pages (from-to) | 960-963 |
| Number of pages | 4 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 39 |
| Issue number | 6 |
| State | Published - Jun 2007 |
Keywords
- Cationic photocuring
- Epoxy resin
- Photoinitiator
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