Patent ID: 9333734
Filing Date: 2016-05-10
CPC Classification: B05D,B32B,B44C,G03H,Y10S,Y10T

Claim Text:
1. A method of forming a releasable metalized embossed transfer film comprising the steps of (A) providing a polymeric base layer defining a side having a surface energy less than 60 dynes/cm, (B) applying in direct contact with the side of the polymeric base layer an embossing material layer comprising a major fraction of polyurethane, the embossing material layer exhibiting an elongation at break of about 400-550% determined by ASTM method D882010, (C) embossing a surface on a side of the embossing material layer opposite the polymeric barrier layer in which the surface defines a diffraction grating pattern, and (D) depositing a metal layer on the surface of the embossing material layer.