| 摘要 |
PROBLEM TO BE SOLVED: To provide a new moisture curable composition without causing foaming phenomenon, which has an excellent curing property in a low viscosity even in the complete absence of solvent which moisture cured. SOLUTION: The moisture curable composition is characterized by including a polyurethane prepolymer (A) having an isocyanate group at the molecular terminal whose number average molecular weight is 4,000-30,000 and whose molecular weight distribution (Mw/Mn) is 1.6 or less, which is obtained by reacting a polyisocyanate compound and a polyoxyalkylenepolyol, an organic polymer (B) which has a hydrolyzable silyl group in the molecule and whose number average molecular weight is 500-50,000, and a silanol catalyst (C).
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