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The photopolymerization of a diacrylate monomer with an N-aliphaticmaleimide as the photoinitiator has been investigated by photodifferential scanning calorimetry (photo-DSC), real-time infrared (RTIR) spectroscopy, and real-time UV (RTUV) spectroscopy. Photo-DSC exotherm results for relatively thick films (,150 mm) showed an increase in the polymerization reactivity (R) up to a concentration of only about 2 mol% N-aliphaticmaleimide. RTIR analysis was used to determine that the reactivity of a diacrylate thin film (,10 mm) increased continually as the concentration of AcOEMI increased from 0.1 to 30 mol%. Both RTIR and RTUV spectroscopy indicated that essentially AcOEMI was completely consumed in the polymerization process, and colorless crosslinked acrylate films with little absorbance above 300 nm were produced.

Посилання на статтю:

Photopolymerization of acrylates using N-aliphaticmaleimides as photoinitiators / Shan C. Clark, Charles E. Hoyle, Sonny Jönsson, Florence Morel, Christian Decker // Polymer. – 1999. – N 40. – P. 5063–5072.

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