Abstract
Synthetic procedures for the preparation of a large variety of ionic urethanes are outlined. The mechanical properties, e.g., the increase in tensile strength, the occurrence of elasticity and permanent elongation in linear cationic urethanes can be interpreted in terms of hydrogen and ionic bonding. The solution properties in polar and non-polar solvents and the formation of aqueous dispersions can be understood, in a similar way, on the basis of solvent interactions with primary and secondary bonds. The present and potential applications are summarized.
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