Patent ID: 8062458
Filing Date: 2011-11-22
Classification: B26F,B32B,C09J,Y10T

Abstract:
1. A method of producing diecuts from heat-activatable adhesive films, which comprises a. coating a heat-activatable adhesive initially onto a first carrier material, b. laminating the heat-activatable adhesive layer onto a release liner having a glass transition temperature at least 20° C. lower than the glass transition temperature of the heat-activatable adhesive, at a temperature between the glass transition temperature of the release liner and the glass transition temperature of the heat-activatable adhesive, the release liner having at least one polyolefin-based surface, and the polyolefinic surface being nontacky at room temperature and having pressure-sensitive adhesive properties at the temperature at which said lamination is carried out, c. and diecutting the heat-activatable adhesive layer on the release liner.