| abstract |
PROBLEM TO BE SOLVED: To provide a method for producing a flexible polyurethane foam which uses a small amount of TDI, has a low density, a high rebound resilience, and is excellent in mechanical strength. SOLUTION: (a1), (a2), (a) A catalyst (C) and a blowing agent (B) obtained by using the polyol composition (A) containing 3) and the polyisocyanate composition (B) obtained by using (b1), (b2), and (b3) shown below. D) A method for producing a flexible polyurethane foam, which comprises reacting in the presence of a foam stabilizer (E). Polyol composition (A): (a1): polyether polyol having Mn of 1,000 to 10,000 (a2): polyether polyol having Mn of 500 to 5,000 (a3): polyether polyol having Mn of 3,000 to 10,000 Polyisocyanate composition (B): (b1): polyether polyol having Mn of 1,000 to 10,000 (b2): MDI (b3): polymethylene polyphenylene polyisocyanate |