[Problem] The objective of the present invention is to provide a coating film composition capable of curing a photo-radical composition using a photoradical polymerization initiator, which is significantly affected by oxygen inhibition , without any problem even in the presence of oxygen by reducing oxygen inhibition on the surface of the coating film. [Solution] This photo-radically polymerizable composition is characterized by containing at least a radically polymerizable compound, a photoradical polymerization initiator, and a 9,10-bis(alkoxycarbonylalkyleneoxy)anthracene compound having an ester group represented by general formula (1). (In general formula (1), A represents an alkylene group having 1-20 carbon atoms, and the alkylene group may be branched by an alkyl group. R represents an alkyl group having 1-20 carbon atoms.)
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