| 摘要 |
PURPOSE:To obtain the title paint which has a prolonged pot life and excellent applicability and gives a coating film at a low running cost, by adding a curing agent and a specified amount of an org. acid to a two-pack urethane paint. CONSTITUTION:A curing agent (A) and 3-15wt% (based on the amount of the isocyanate solid component of the curing agent) org. acid (B) having an ionization constant of not lower than 1.34X10<-5>mol/l (25 deg.C) and a vapor pressure of not lower than 4mmHg (25 deg.C) (e.g., acetic acid) are added to a two-pack urethane paint to obtain the title paint having a prolonged pot life.
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