Photopolymerization of MMA at 35 was studied using benzophenone (BP)-dimethylaniline (DMA) combination as photo-redox initiator. Initiator exponent was 0.13: monomer exponent was < 1.0 in chlorinated solvents and > 1.0 in other solvents. Photoreduction of BP by DMA is considered to produce chain-ini
Photopolymerization of methyl methacrylate with sulfur dioxide-benzophenone combination as initiator
β Scribed by Ghosh, P. ;Jana, S. ;Biswas, S.
- Publisher
- John Wiley and Sons
- Year
- 1983
- Weight
- 280 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0360-6376
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## Abstract A series of novel bifunctional photoinitiators with benzophenone moieties were synthesized. Characterization of these molecules was performed using IR, UV, ^1^HβNMR, ^13^CβNMR and mass spectroscopy. Photopolymerization of methyl methacrylate, a model acrylateβtype monomer, was carried o
Photopolymerization of the vinyl monomer (M) of methyl methacrylate (MMA) was kinetically studied by using near-UV/visible light at 40ΠC and employing a morpholine (MOR) -sulfur dioxide (SO 2 ) charge-transfer (C-T) complex as the photoinitiator. The rate of polymerization ( R P ) was found to be de