PROBLEM TO BE SOLVED: To provide an additive capable of improving resistance to surface stain of a cured product by being compounded with a curable composition containing (A) an organic polymer having at least one silicon group hydrolyzable and crosslinkable by the hydrolysis in the molecule.;SOLUTION: The composition contains (B) a fluorine-containing polymer containing a polymerization unit having a photocurable functional group, and (C) a compound having a nitroso group, a hydroxyamino group or a salt thereof.;COPYRIGHT: (C)2004,JPO
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