LOW THERMAL CONDUCTIVITY IN-MOLD LABEL FILMS

摘要

The invention is an in-mold label film comprising at least two layers with one layer being a heat seal layer (12) for bonding the film to a polymer substrate wherein the film has a thermal conductivity of less than about 1.250 x 10-4 kcal/sec cm ~C. The invention further includes a process for in-mold labeling comprising the steps of forming a label comprising at least two layers with one layer being a heat seal layer (12) for bonding the film to a plastic substrate wherein the film has a thermal conductivity of less than about 1.250 x 10-4 k-cal/sec cm ~C inserting the label into a mold for producing the plastic substrate with an inside and outside surface thereafter forming a plastic substrate in the mold with sufficient heat wherein the outside surface of the substrate bonds with the heat seal layer (12) of the label.