Functional group conversions of epoxy monomer for S105 and vinyl monomer for TEGDVE using photoinitiating system based on bis(4-t-butylphenyl)-iodonium hexafluorophosphate (SpeedCure 938® wt 1%) and 1-amino-4-methyl-naphthalene-2-carbonitrile derivatives (0.2% w/w) in the role of co-initiator at 365 nm and 405 nm exposure.
Sensitizer | Conversion of epoxy monomer S105 [%] | Conversion of double bonds in TEGDVE [%] | ||
---|---|---|---|---|
@365 nm (3.76 mW cm−2) | @405 nm (19.82 mW cm−2) | @365 nm (1.61 mW cm−2) | @405 nm (3.97 mW cm−2) | |
J-H | 39 | 29 | 86 | 87 |
J-CN | 34 | 14 | 87 | 92 |
J-CH3 | 43 | 27 | 86 | 94 |
J-F | 42 | 37 | 85 | 94 |
J-OCH3 | 36 | 29 | 85 | 91 |
J-SCH3 | 46 | 31 | 86 | 89 |
J-vinyl | 32 | 39 | 85 | 90 |