| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-pack urethane waterproof composition that is environmentally-friendly, can ensure sufficient usable time during summer, and is superior in top coat and adhesion.SOLUTION: The two-pack environmental-responsive urethane waterproof material composition contains: a main agent including an isocyanate group terminated prepolymer obtained as a result of a reaction between tolylene diisocyanate and polyol; and a curing agent including aromatic polyamine and polyol as a reactive component, wherein the aromatic polyamine in the curing agent contains a diethyl toluene diamine, the equivalent ratio of the aromatic polyamine and the polyol in the curing agent is within the range of 20/80 to 90/10, and the aromatic polyamine further contains an urethanati catalyst. |
