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