Skip to main content
. 2020 Aug 28;10(53):32162–32182. doi: 10.1039/d0ra04146g

Functional group conversions of the BisGMA/TEGDMA (50%/50% w/w) composition polymerizing according to the photo-oxidising or photo-reducing mechanisms, when exposed to light of different wavelengths.

Conversion [%]
Photo-oxidation mechanism Photo-reduction mechanism
Acronym BisGMA/TEGDMA (50%/50% w/w) with diphenyliodonium salt (1 wt%) Acronym BisGMA/TEGDMA (50%/50% w/w) with EDB (1.5 wt%)
@ 365a nm @ 405b nm @ 365a nm @ 405b nm
BI-PH 75.0 83.8 BI-PH 75.6 64.1
BI-PH-O-CH3 78.8 82.1 BI-PH-SO2-CH3 58.8 69.8
BI-PH-S-CH3 78.5 83.6 BI-PH-CN 60.2 65.3
a

LED @ 365 nm ∼ 3.77 mW cm−2.

b

LED @ 405 nm ∼ 8.13 mW cm−2.