Reaction of {HEAD ~ the mono hydroxy functional monol} with {TAIL ~ the isocyanate terminated intermediate} is monitored by isocyanate absorbance band by using a Fourier transform infrared spectrometer and isocyanate titration 
Reaction of { HEAD ~ the mono hydroxy functional monol } with { TAIL ~ the isocyanate terminated intermediate } is monitored by isocyanate absorbance band by using a Fourier transform infrared spectrometer and isocyanate titration
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH