| 摘要 |
PROBLEM TO BE SOLVED: To provide a 2-liquid type urethane waterproof material composition excellent in durability, heat resistance and alkali-resistance.SOLUTION: The 2-liquid type environmentally friendly urethane waterproof material composition is characterized in that (1) 20 equivalent% or more and 75 equivalent% or less of polyol contained in a main agent is diol, (2) 25 equivalent% or more and less than 60 equivalent% of aromatic polyamine contained in a curing agent is aromatic primary polyamine including diethyl toluene diamine, and in that more than 40 equivalent% and 75 equivalent% or less of the aromatic polyamine contained in the curing agent is aromatic secondary polyamine represented by the general formula (1), where Ris an alkyl group having 1 to 4 carbon atoms, and n is an integer of 0 to 2. |
