| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flexible polyurethane foam material which can be used as an acoustic insulating material or a vibration-proof material inside an automobile engine room, mainly as an automobile buffer material or an automobile covering material, and is excellent in heat resistance or fire retardance. <P>SOLUTION: The flexible polyurethane foam is produced from a diphenylmethane diisocyanate-based isocyanate (A) having an average NCO group number of 2.1 to 2.5, a polymer polyol (B), a catalytic agent (C), a foam stabilizer (D), a blowing agent (E), and a castor oil-based polyol (F). <P>COPYRIGHT: (C)2010,JPO&INPIT |
