EASILY ADHESIVE FILM FOR OPTICAL USE

摘要

PROBLEM TO BE SOLVED: To obtain an easily adhesive film for optical use, which has excellent transparency and adhesiveness suitable as a base film for an optical member and suppresses stickiness between themselves.

SOLUTION: The easily adhesive film for optical use comprises a polyester film and an easily adhesive layer composed of a copolyester directly arranged on at least one surface thereof. The copolyester of the easily adhesive layer comprises 70-99.9 mol% of a dicarboxylic acid component composed of a saturated aliphatic dicarboxylic acid and/or alicyclic dicarboxylic acid component, 0.1-10 mol% of an aromatic dicarboxylic acid component containing a sulfonate group, 20-80 mol% of a diol component composed of a dihydroxy compound represented by the formula below and 20-80 mol% of the diol component composed of ethylene glycol.

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