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 {HEAD ~ isophorone diisocyanate}, 0.03 wt % of dibutyl tin dilaurate, and {TAIL ~ 2.15 wt %} of 2 hydroxyethyl acrylate 
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 { HEAD ~ isophorone diisocyanate } , 0.03 wt % of dibutyl tin dilaurate , and { TAIL ~ 2.15 wt % } of 2 hydroxyethyl acrylate
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH