Curable composition

1. A curable composition, comprising

(A) a polyoxyalkylene polymer having reactive silicon group(s) represented by the following general formula (1):

—Si(R 1 3-a )X a   (1)

wherein R 1 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, or a triorganosiloxy group represented by R 3 SiO— [wherein three Rs may be the same or different and are each a monovalent hydrocarbon group having 1 to 20 carbon atoms] provided that when two R 1 s are present, they may be the same or different, X represents a hydroxyl group or a hydrolyzable group provided that when two or more Xs are present, they may be the same or different, and “a” represents 1, 2 or 3;

(B) a polyolefin polymer selected from the group consisting of a chlorinated polyolefin and a polymer modified with acryl, maleic acid, and/or maleic anhydride; and

(C) a tackifying resin.

2. The curable composition of claim 1 , wherein said component (A) has a main chain skeleton of polyoxypropylene.

3. The curable composition of claim 1 , wherein said component (A) has, in the molecule thereof, a group represented by the following general formula (2):

—NR 2 —C(═O)—  (2)

(wherein R 2 represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms).

4. The curable composition of claim 1 , wherein said component (B) has a main chain skeleton a part or the whole of which is polypropylene.

5. The curable composition of claim 1 , wherein said component (C) is a hydroxyl group-containing hydrogenated petroleum resin.

6. The curable composition of claim 1 , further comprising a plasticizer (D).

7. An adhesive for waterproof sheets, wherein the curable composition of claim 1 is used.

8. An industrial adhesive, wherein the curable composition of claim 1 is used.

9. The curable composition according to claim 1 , wherein said component (B) is a chlorinated polyolefin polymer.

10. The curable composition according to claim 2 , wherein said component (B) is a chlorinated polyolefin polymer.

11. The curable composition according to claim 3 , wherein said component (B) is a chlorinated polyolefin polymer.

12. The curable composition according to claim 4 , wherein said component (B) is a chlorinated polyolefin polymer.

13. The curable composition according to claim 5 , wherein said component (B) is a chlorinated polyolefin polymer.

14. The curable composition according to claim 6 , wherein said component (B) is a chlorinated polyolefin polymer.