{HEAD ~ The macromolecular diamines} are prepared e.g. by reacting {TAIL ~ corresponding macromolecular diols} with twice the molar amount of an alkyleneimine e.g. propyleneimine 
{ HEAD ~ The macromolecular diamines } are prepared e.g. by reacting { TAIL ~ corresponding macromolecular diols } with twice the molar amount of an alkyleneimine e.g. propyleneimine
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH