Model fluorous polyurethane surface modifiers having co-polyoxetane soft blocks with trifluoroethoxymethyl and bromomethyl side chains.


Polyurethanes containing poly(2-trifluoroethoxymethyl-2-methyl)-co-(2-bromomethyl-2-methyl)-1,3-propylene oxide (co-polyoxetane) soft blocks, P[3FOx:BrOx-m:n], were prepared and used (0.5-2 wt %) to modify the surface properties of a conventional polyurethane. The substrate polyurethane was composed of an isophorone diisocyanate/butanediol hard block and a… (More)


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