| 摘要 |
PURPOSE:To provide the subject film comprising a specific copolyester, having a semi-crystal melting peak temperature and a tensile Young modulus in prescribed ranges, respectively, having excellent solvent resistance, good dimensional stability and good processing suitability and useful for an adhesive film. CONSTITUTION:The objective film comprises a copolyester having a Tcg of <=60 deg.C, and has a semi-crystal melting peak of from Tcc to the melting point and a tensile Young modulus of 0.1-50kg/mm<2>. The soft segment of the copolyester contains preferably 1-50mol% of a long chain aliphatic dicarboxylic acid residue (e.g. dimer acid) as a constituting component thereof and 40-65% of 1,4-butane diol as an alcohol component thereof. |
