{TAIL ~ 65.00 wt %} of an oligomer prepared by reaction of: 57.47 wt % of polypropylene glycol, MW=4200, 0.1 wt % of 2,6 di tert butyl 4 methylphenol, 5.25 wt % of isophorone diisocyanate, 0.03 wt % of dibutyl tin dilaurate, and {HEAD ~ 2.15 wt %} of 2 hydroxyethyl acrylate 
{ TAIL ~ 65.00 wt % } of an oligomer prepared by reaction of : 57.47 wt % of polypropylene glycol , MW=4200 , 0.1 wt % of 2,6 di tert butyl 4 methylphenol , 5.25 wt % of isophorone diisocyanate , 0.03 wt % of dibutyl tin dilaurate , and { HEAD ~ 2.15 wt % } of 2 hydroxyethyl acrylate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH