Manufacturing method of foamed polyurethane elastomer raw material, foamed polyurethane elastomer, midsole and foamed polyurethane elastomer

摘要

The foamed polyurethane elastomer raw material contains a polyisocyanate component (A), a polyol component (B), and a urethanization catalyst (C), and the polyisocyanate component (A) is 1,4-bis (isocyanatomethyl) cyclohexane (A1). ) And a polyether diol (A2) containing a polytrimethylene ether glycol, and the polyol component (B) contains a low molecular weight polyol having 2 to 6 carbon atoms.