| 摘要 |
PURPOSE:To obtain the subject film having excellent antistatic property in low humidity as well as transparency at high temperature and high humidity by applying a coating solution comprising an anionic antistatic agent, a specific amount of lower ether glycol and water on the surface of a polyester film and drawing. CONSTITUTION:At least a surface of an undrawn polyester film made by melt extrusion or an uniaxially drawn polyester film is coated with a coating solution composed of (A) an anionic antistatic agent having 10-20C groups, (B) >=10wt.% lower ether glycol and (C) water and dried, then further biaxially drawn or uniaxially drawn to afford the objective film. |
