50.01 wt % of {TAIL ~ an oligomer} prepared by reaction of: 45.78 wt % of polypropylene glycol, MW=4200, 0.01 wt % of acrylic acid, 99%, 0.04 wt % of 2,6 di tert butyl 4 methylphenol, 2.92 wt % of monomeric toluene diisocyanate, and 1.24 wt % of {HEAD ~ 2 hydroxyethyl acrylate} 
50.01 wt % of { TAIL ~ an oligomer } prepared by reaction of : 45.78 wt % of polypropylene glycol , MW=4200 , 0.01 wt % of acrylic acid , 99 % , 0.04 wt % of 2,6 di tert butyl 4 methylphenol , 2.92 wt % of monomeric toluene diisocyanate , and 1.24 wt % of { HEAD ~ 2 hydroxyethyl acrylate }
OTH OTH OTH OTH 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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD