METHOD FOR APPLYING ADD-ON MATERIAL TO A BASE WEB DURING PAPER MANUFACTURE

摘要

A method is disclosed of applying an area of add-on material 5 to a base web 3 comprising providing a slurry of fibrous material in a liquid, forming a base web of fibrous material and liquid from the slurry, applying at least one area of add-on material comprising fibrous material and from about 25 percent to about 140 percent calcium carbonate by weight of the fibrous material to the base web, the base web having a liquid content of between about 20 percent and about 98 percent by weight when the add-on material is applied, and drying the base web with the add-on material thereon. A paper wrapper is disclosed for a smoking article wherein the paper wrapper comprises at least one area 5 of add-on material and wherein the add-on material comprises a fibrous material and from about 25 percent to about 140 percent calcium carbonate by weight of the fibrous material. A smoking article comprising the paper wrapper is also disclosed.