公开(公告)号：BR112015010597A2

公开(公告)日：2017-07-11

申请号：BR112015010597

申请日：2013-10-30

Applicant: STORA ENSO OYJ

Inventor： AXRUP LARS ,  BACKFOLK KAJ ,  HEISKANEN ISTO ,  JOKELA VEIKKO ,  KASTINEN HENRI ,  KAUPPI ANNA ,  KOTILAINEN ARI ,  LAND HENSDAL CECILIA ,  SAUKKONEN ESA ,  SAXELL HEIDI

IPC: D21C9/06 ,  C08L1/04 ,  D21C9/18 ,  D21H11/18 ,  F26B3/36

公开(公告)号：CA2995435A1

公开(公告)日：2017-03-23

申请号：CA2995435

申请日：2016-09-16

Applicant: STORA ENSO OYJ

Inventor： HEISKANEN ISTO ,  BACKFOLK KAJ ,  SAUKKONEN ESA

IPC: D21H11/18 ,  D21H19/10 ,  D21H19/36 ,  D21H21/16

Abstract: A method for manufacturing a film, wherein said film has a basis weight of less than 50 g/m2 and wherein the density of the film is higher than 750 kg/m3 comprising the steps of: providing a suspension comprising microfibri Hated cellulose (MFC); forming a web of said suspension on a porous wire, microfibrillated cellulose (MFC); surface sizing said web, wherein the web, at the beginning of the surface sizing step, has a moisture content in the range of from 10 to 50 wt-%; drying said surface sized web to a final moisture content of between 0.1- 20 wt-% to form said film.