| 摘要 |
A recording medium, showing sufficient resistance to contamination and having excellent reproducing characteristics, comprises a film provided on a surface thereof and this film comprises a copolymer formed by polymerizing a composition which comprises a compound A having a (meth)acryloyl group and a reactive antistatic agent B having a quaternary ammonium salt group, an alkylene glycol chain, a hydrocarbon group of which carbon number is four or more and a copolymerizable group.
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