Paper or Paperboard, suspension and composition comprising an Expandable Clay, The Clay and the use of composition and Process for the manufacture of paper or Paperboard

摘要

The paper or Paperboard comprises an Expandable Clay which has a Brightness according to the TAPPI Test of at least 70. The Cellulosic suspension comprises a restraint system comprising Expandable Clay. The composition comprises an Expandable Polymer Clay and an Auxiliary retention. The use of Expandable Clay and the composition for the manufacture of paper or Paperboard.The process for making paper or Paperboard comprises forming an aqueous Cellulosic suspension, adding a restraint to the Cellulosic suspension, draining the suspension on a screen to form a sheet and drying the sheet, where the restraint system includes the Expandable Clay.