| 摘要 |
A curable composition is provided which is excellent in adhesion to a substrate and mechanical strength and which has a low viscosity and thus is excellent in workability even without incorporating a solvent or a plasticizer. A one-component moisture curing type curable composition comprising an isocyanate group-terminated prepolymer obtainable by reacting a high molecular weight polyol having a hydroxyl value of from 10 to 300 mgKOH/g with a polyisocyanate compound, wherein at least a part of the high molecular weight polyol is a polyester ether polyol obtainable by ring-opening polymerization of a mixture of an alkylene oxide and a lactone monomer in the presence of an initiator.
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