| http://www.w3.org/ns/prov#value | - From the results in Table 1, the films comprising a single material, i.e. the copolymerized polyester or the polyester alone are poor in either recovering rate from roll set curl or elastic modulus, but the films in which the both materials are laminated and particularly the ratio of the respective layer thicknesses is controlled to a range specified in the present invention have good recovering r
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