PIGMENTARMER POLYESTERFILM UND VERFAHREN ZU SEINER HERSTELLUNG

摘要

The invention relates to a film comprising: (i) at least one polyester layer containing more than 10 wt% of a pigment, and (ii) at least one polyester layer substantially devoid of pigment, where the ratio of the respective thickness of the layer(s) devoid of pigment to the pigmented layer(s) is at least 1. The film shows good mechanical properties together with high opacity properties.