| 摘要 |
PROBLEM TO BE SOLVED: To provide a flame resistant heat insulation composition low in specific gravity, excellent in fire resistance and suitable for a spray application.SOLUTION: There is provided a flame resistant heat insulation composition used for a spray containing at least (X) a polyol liquid containing a polyol compound, a foam stabilizer, a foaming agent, a flame retardant, a flame assistant and a catalyst for trimerization and (Y) an isocyanate liquid containing an isocyanate compound, the catalyst for trimerization is a catalyst for a trimerization reaction of an isocyanate group of the polyisocyanate compound contained in the isocyanate liquid (Y), the flame retardant contains at least red phosphorus and phosphate ester, the flame assistant contains at least one selected from a group consisting of a phosphorus-containing flame retardant, a bromine-containing flame retardant, metal hydroxide and an acicular filler, the flame retardant is contained in a range of 0.1 to 605.5 to 80 pts.wt. based on 100 pts.wt. of urethane resin containing the polyol compound and the polyisocyanate compound. |
