Caprolactone polyols formulations

The materials employed in these formulations consisted of bitolylene diisocyanate (3,3 -dimethyl-4,4 -biphenylene diisocyanate, 136T Upjohn Co.) referred to as T0DI, a polyether diol (tetramethyleneoxide polyol, Polymeg 2000, Quaker Oats Co.), a polyester diol (caprolactone polyol, PCP-200, Union Carbide Corp.) and a chain extender, 1,4-butanedio1 (Aldrich Chemical Co.). The formulations were prepared by a two-step procedure. In... 

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