Suitable diamines include {TAIL ~ triethylene glycol diamine} and {HEAD ~ tetraethylene glycol diamine} , among others 
Suitable diamines include { TAIL ~ triethylene glycol diamine } and { HEAD ~ tetraethylene glycol diamine } , among others
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH