58.50 wt % of an oligomer prepared by reaction of: 51.68 wt % of polypropylene glycol, MW=4200, 0.09 wt % of 2,6 di tert butyl p cresol, 4.76 wt % of isophorone diisocyanate, {HEAD ~ 0.03 wt %} of {TAIL ~ dibutyl tin dilaurate}, and 1.94 wt % of 2 hydroxyethyl acrylate 
58.50 wt % of an oligomer prepared by reaction of : 51.68 wt % of polypropylene glycol , MW=4200 , 0.09 wt % of 2,6 di tert butyl p cresol , 4.76 wt % of isophorone diisocyanate , { HEAD ~ 0.03 wt % } of { TAIL ~ dibutyl tin dilaurate } , and 1.94 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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH