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Calorimetric study of thermally-activated polymerization of urethane-dimethacrylate monomers

Barszczewska-Rybarek I.

Polish Journal of Applied Chemistry

2009

Vol. 53, nr 2

117-122

The thermally activated curing behaviour of a series of urethane-dimethacrylates, derived from dicarbamatcs of oligocthylcne glycols monomethacrylates and aliphatic, cycloaliphatic and aromatic diisocyanates, were examined by differential scanning calorimetry (DSC). The effect of monomer structure on the onset (T") and peak temperatures (Tp), the degree of double bonds conversion (DC) and the activation energy (Ea) were studied. A distinct dependence of the molar mass and chemical structure of the monomer on the above parameters is seen from the collected data.