| http://www.w3.org/ns/prov#value | - Generally speaking, most diols or diamines are suitable, including the ethylenediols, the propylenediols, ethylenediamine, 1,4-butanediamine methylene dianiline heteromolecules such as ethanolamine, reaction products of the diisocyanates with water and combinations of the above. [0059] The polycarbonate urethane polymers according to the present invention should be substantially devoid of any sign
|