| 摘要 |
<p>Oriented composite polyester films, to which a wide variety of final application topcoatings are improvedly adherent, e.g., matte, photosensitive and magnetic topcoatings, comprise an oriented base film substrate (A) of a crystalline or semicrystalline polyester, the base film substrate (A) bearing an adhesion primer coating (B) on at least one of the face surfaces thereof, and the adhesion primer coating (B) comprising: (a) a crystalline, semicrystalline or crystallizable polyester; (b) a water-sensitive copolyster; and (c) an organic solvent-sensitive polyester or copolyester.</p> |
