INFRARED-ABSORBING TICKET STOCK AND METHOD OF MAKING SAME

摘要

A ticket stock and manufacturing process wherein a pulp is formulated from a blend of recycled printed papers, with added starch for enhancing sheet stiffness and reducing linting and dusting on cut edges of the stock. A preferred pulp comprises a blend of printed solid bleached sulfate plate stock, printed white groundwood-free paper, and printed groundwood paper such as printed newsprint or the like. In one embodiment, the blend comprises about 25-50 wt.% printed solid bleached sulfate plate stock, about 15-40 wt.% printed white groundwood-free paper, and about 15-40 wt.% printed groundwood paper. The printed papers are repulped with minimal mechanical refining, treated with steam injection for hydrating and softening the fibers and breaking up inks into fine particles, and formed into a web that is pressed, dried, and soft calendered. The caliper of the resulting stock is about 7 to 9 points.