Novel polyether amides produced by reacting {HEAD ~ at least one polyalkylene glycol diamine} with {TAIL ~ at least two dicarboxylic acids} or esters thereof are described 
with
Novel polyether amides produced by reacting { HEAD ~ at least one polyalkylene glycol diamine } with { TAIL ~ at least two dicarboxylic acids } or esters thereof are described
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH