| abstract |
(57) [Summary] [Structure] (A) A saturated hydrocarbon polymer having a hydroxyl group or a hydrolyzable group bonded to a silicon atom and having at least one silicon-containing group capable of being crosslinked by forming a siloxane bond. 100 parts by weight, (B) photocurable substance 0.01 to A curable composition containing 20 parts by weight and (C) 0.1 to 20 parts by weight of an unsaturated compound capable of reacting with oxygen in the air. [Effect] Excellent in stain resistance, chemical resistance, solvent resistance, heat resistance, weather resistance and moisture permeation resistance, especially as a sealing material and sealant for construction, automobiles, ships and roads. Extremely useful. |