Patent ID: 6156416
Filing Date: 2000-12-05
Classification: G03G,Y10T

Abstract:
A transfer foil comprising in consecutive order a support with a thickness equal to or lower than 75 .mu.m .mu.m, a release layer, adhering to said support with a force F.sub.PET, and an image receiving layer with a polymeric binder and having thickness d, a cohesive force F.sub.coh and adhering to said release layer with a force F.sub.rela whereinF.sub.PET >F.sub.rela >F.sub.coh,said polymeric binder in said image receiving layer comprises a polymer selected from the group of homo-polymers of methylacrylate, homo-polymers of methylmethacrylate, copolymers including methylacrylate moieties, co-polymers including methylmethacrylate moieties, nitrocellulose being nitrated for at most 12.5 mol %, polyvinylacetate and polyvinylbutyral andsaid image receiving layer further comprises a promoter for cohesive break of said imaging layer selected from the group consisting of spacing particles with an average volume diameter d.sub.v50 .ltoreq.0.9d, of waxes and polymers, different from said polymeric binder and cross-linking agents for said polymeric binder, and wherein said promoter for cohesive break of said imaging layer is present in said layer in an amount between 1 and 50% by weight with respect to said polymeric binder.