Photo-DSC Investigation of Acetonaphthone Type Photoinitiators at Different Light Intensities

The gelation of a 75% epoxy diacrylate (EA) and 25% tripropyleneglycol diacrylate (TPGDA) mixture (P-3038) was performed using 2-(N-methyl-N-phenyl)acetonaphthone (MPA) and morpholino acetonaphthone (MPM) as Type I photoinitiators at different light intensities by using a photo-differential scanning...

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Bibliographic Details
Published in:Journal of Photopolymer Science and Technology 2017/12/20, Vol.30(6), pp.651-656
Main Author: Dogruyol, Sevnur Keskin
Format: Article
Language:English
Subjects:
Acetonaphthone
Gelation
Light intensity
Luminous intensity
Photo-DSC
Photoinitiator
Photoinitiators
Photopolymerization
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Summary:The gelation of a 75% epoxy diacrylate (EA) and 25% tripropyleneglycol diacrylate (TPGDA) mixture (P-3038) was performed using 2-(N-methyl-N-phenyl)acetonaphthone (MPA) and morpholino acetonaphthone (MPM) as Type I photoinitiators at different light intensities by using a photo-differential scanning calorimetric (Photo-DSC) technique. Identical temperature values and initiator concentrations were used for the photopolymerization reactions. The results show that maximum rate of polymerization (Rpmax) and final conversion values present good correlation at different light intensities.
ISSN:0914-9244
1349-6336
DOI:10.2494/photopolymer.30.651