The present invention provides a polymer compound that can improve the adhesion between a hydrophilic member and a member to be adhered by being incorporated into the member to be adhered, and a composition containing the polymer compound, And to provide an optical film and an optical laminate. The polymer compound of the present invention is a polymer compound having a repeating unit including a structure represented by the following formula (1) in a side chain. JPEG2024003997000046.jpg4048

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