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A new ionic diol, 1,2-dihydroxypropylphosphonic acid (DPPA), was synthesized from epibromohydrin and triethyl phosphite. DPPA was used subsequently as a chain extender diol in the two-step synthesis of polyurethane ionomers. Both DPPA and the polyurethane ionomers were characterized by Fouriertransform infra-red and 'H and 31p nuclear magnetic resonance spectroscopy. Thermal analysis by differential scanning calorimetry was performed on the ionomers.

Посилання на статтю:

New polyurethane ionomers containing phosphonate groups / D. K. Kakati, R. Gosain and M. H. George // Polymer. – 1994. – Vol 35. – P. 398-402.

New polyurethane ionomers containing phosphonate groups - Завантажити.