| 摘要 |
PROBLEM TO BE SOLVED: To obtain a curable composition having excellent internal curability, a low modulus and a high elongation after curing, an excellent storage stability in an uncured state, durability and residual tack after curing. SOLUTION: This curable composition is characterized by comprising a polyisobutylene-based polymer (A) containing at least one reactive silicon group and a silicon compound (B) represented by [(CH3 )2 SR<1> -O]n -R<2> (R<1> is methyl group or vinyl group; R<2> is an n-functional hydrocarbon group; (n) is an integer of >=2).
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