Ultraviolet-stabilized biaxially oriented polyester film laminate for packaging, lamination with polyester or metal, cladding, display, greenhouse or roofing has particles in mat outer layer but not in sealable layer on other side of base

摘要

In laminated, UV-stabilized, biaxially oriented polyester film, having base layer(s) (B) with sealable layer (A) and mat layer (C) on opposite surfaces, (A) contains less than 0.1 wt.% external particles; and (C) contains a polyester with 6-30 mole-% isophthalic acid units and 1.0-7.0 wt.%, with respect to total (C), pigment particles of average diameter (d50) of 2-10 mu m with scatter, expressed as SPAN 98, in the 1.2-2 range. An independent claim is included for production of the laminated film.