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The photo-induced copolymerization of electron donor/electron acceptor monomers has been studied by real-time infrared spectroscopy. With maleimide/vinyl ether mixtures, the reaction was found to proceed rapidly upon u.v. exposure in the absence of oxygen to reach nearly 100% conversion within seconds. The two monomers disappeared at similar rates, with formation of an alternating copolymer. Similar results were obtained with maleimide/N-vinylpyrrolidone and maleimide/styryloxy combinations. Highly crosslinked polymer networks have been produced by photo-induced copolymerization of bis-maleimide and divinyl ether monomers. These photoinitiator-free formulations were found to be less sensitive to oxygen inhibition than typical u.v.-curable acrylate resins. N-substituted maleimides were also shown to act as monomeric photoinitiators by inducing the polymerization of acrylate monomers upon u.v. irradiation.

Посилання на статтю:

Kinetic study of the photo-induced copolymerization of N-substituted maleimides with electron donor monomers / F. Morel, C. Decker, S. Jönsson, S.C. Clark, C.E. Hoyle // Polymer. – 1999. – N 40. – P. 2447–2454.

Kinetic study of the photo-induced copolymerization of N-substituted maleimides with electron donor monomers - Завантажити.