Crumpled sheet resistant safety, manufacturing process and the security document comprises

摘要

Sheet resistant safety wrinkled, comprising: br / br / - fibers; br / br / - an anionic polymer in a proportion of between 5% and 45% by dry weight relative to total weight of dry fiber and having a glass transition temperature greater than -40 ° C; and br / br / - a flocculating agent in an amount main cation between 1% and 5% by dry weight relative to the total weight of the dry fibers.