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