Colour laser markable laminates and documents

摘要

A colour laser markable laminate including at least a transparent polymeric support and a colour forming layer comprising a leuco dye; an infrared dye; and a polymeric binder comprising vinyl acetate and at least 85 wt% of vinyl chloride based on the total weight of the binder; wherein the colour laser markable laminate includes a specific phenol stabilizer sterically hindered by a ring containing three nitrogen atoms. A method for preparing a colour laser marked document is also disclosed.