| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a polyurethane foam of a high hardness having a high mechanical property. <P>SOLUTION: The method for producing a polyurethane foam includes reacting a strength improving agent (A1), which is a strength improving agent for producing a polyurethane foam represented by formula (I), a polyol, and a polyisocyanate component. <P>COPYRIGHT: (C)2013,JPO&INPIT |
