Abstract
Photopolymerization of neopentyl glycol diglycidylether (NPG) initiated with diphenyl iodonium tetrafluoroborate (TB) in bulk has been studied. The influence of concentration of the photoinitiator on the rate of polymerization and monomer conversion is discussed. The initiator exponent was established for the photopolymerization of NPG with TB. Photopolymerization of the compositions consisting of NPG and 9-(2-oxiranylmethyl) carbazole (OMC) initiated with TB has been studied. It was established that OMC undergoes both homopolymerization and copolymerization during the UV irradiation of the composition. The effect of the temperature on the rate and conversion of epoxy groups for the photopolymerization of NPG alone and in the presence of OMC has been examined. It was established that 9-vinylcarbazole (VCz) acts as synergist of NPG photopolymerization as well of photopolymerization of the composition of NPG and OMC.
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