Abstract
The structure of the networks obtained by UV curing of the triethylene-glycol divinyl ether (DVE3) and its mixtures with diethylene-glycol monovinyl ether (HDVE2) was investigated by high resolution 1H and 13C NMR spectroscopy. By working in swelled systems, signals with good resolution were obtained and were assigned to the different structures. The signals attributable to the CH3 end groups of the poly(vinyl ether) together with the CH2 and CH groups of the chain could be distinguished. The CH3 groups signal is stronger in the case of the DVE3/HDVE2 mixture as a consequence of the chain transfer reaction. Hydrolysis reactions occur in the systems giving rise to the formation of acetaldehyde and aldehydic end groups.
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