| 摘要 |
PROBLEM TO BE SOLVED: To provide a 2-liquid type urethane waterproof material composition that is environmentally friendly and is excellent in topcoat adhesion and durability.SOLUTION: The fast curing 2-liquid type environmentally friendly urethane waterproof material composition comprises a main agent containing isocyanate group-terminated prepolymer, and a curing agent containing, as reaction component, aromatic polyamine and polyol, and is characterized in that the equivalent ratio of the aromatic polyamine and polyol is 50/50 to 95/5, and in that it contains, as the aromatic polyamine, aromatic primary polyamine including diethyl toluene diamine by 25 equivalent% or more and less than 60 equivalent%, and aromatic secondary polyamine represented by the general formula (1) by 25 equivalent% or more and 70 equivalent% or less, in the total reaction components. |
