公开(公告)号：WO2015166426A1

公开(公告)日：2015-11-05

申请号：PCT/IB2015/053106

申请日：2015-04-29

Applicant: STORA ENSO OYJ

Inventor： HANS, Hallgren ,  PENG, Frank ,  MOBERG, Anders ,  HÖGLUND, Hans ,  PETTERSSON, Gunilla ,  NORGREN, Sven

IPC: D21H21/18 ,  D21F11/00 ,  D21C9/00 ,  D21F5/00 ,  D21H11/08 ,  D21H11/10 ,  D21H17/26 ,  D21H17/29

CPC classification number: D21H21/18 ,  D21F3/0281 ,  D21H11/08 ,  D21H11/10 ,  D21H17/26 ,  D21H17/29

Abstract: The present invention relates to a process for producing at least one ply of a paper or board product wherein a web comprising mechanical and/or chemimechanical pulp and at least one dry strength additive is dried in a press drying process by subjecting the web to heat and an overpressure of above 40kPa. The present invention also relates to a paper product, a paperboard product and a ply produced according to the process.

Abstract translation: 本发明涉及一种用于生产纸或纸制品的至少一层的方法，其中将包含机械和/或化学纸浆和至少一种干强度添加剂的纸幅在压榨干燥过程中通过使纸幅受热和 超过40kPa的超压。 本发明还涉及根据该方法生产的纸制品，纸板产品和帘布层。