| 摘要 |
PROBLEM TO BE SOLVED: To provide a one-component moisture-curable polyurethane composition which is suitable especially for a clean room, hardly generates gaseous organic substances, and is produced at low cost. SOLUTION: This composition, curable with water in the air, contains additives together with a main ingredient which becomes a polyurethane resin after the curing. Before being used, the composition is further compounded with 0.1 wt.% or higher but 4 wt.% or lower organic solvent. Preferably, one of the additives is a thixotropic agent comprising a polyurea compound represented by the formula: R1(NHCON-R2,-R3)m (wherein R1 is a polyisocyanate residue; R2 and R3 are each a monoamine residue provided one of them may be H; and m is 2, 3 or 4).
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