| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a film using a PET bottle-recycled polyester resin having high laminate strength and small thickness unevenness.SOLUTION: A polyester film contains a polyester resin recycled from PET bottles of 50 wt.% to 95 wt.% and has a content percentage of an isophthalic acid component to the total dicarboxylic acid component in the total polyester resin constituting the polyester film of 0.5 mol% to 5.0 mol% and specific intrinsic viscosity, thermal shrinkage, refraction index in a thickness direction and thickness unevenness.</p> |
