Title:
A METHOD FOR DEWATERING A WEB COMPRISING MICROFIBRILLATED CELLULOSE AND A FILM PRODUCED FROM THE DEWATERED WEB
Document Type and Number:
WIPO Patent Application WO/2020/095254
Kind Code:
A9
Abstract:
The present invention relates to a method for dewatering a web comprising microfibrillated cellulose, wherein the method comprises the steps of: providing a suspension comprising between 50 weight-% to 100 weight-% of microfibrillated cellulose based on total dry weight, forming a fibrous web of said suspension on a support wherein said web has a dry content of 1-25% by weight, applying a dewatering felt into direct contact with the fibrous web, conducting said fibrous web, arranged between said dewatering felt and said substrate, through a pressing equipment. The invention further relates to a film produced from said method.
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Inventors:
KUNNARI VESA (FI)
HEISKANEN ISTO (FI)
KANKKUNEN JUKKA (FI)
PIHKO RIKU (FI)
HEISKANEN ISTO (FI)
KANKKUNEN JUKKA (FI)
PIHKO RIKU (FI)
Application Number:
PCT/IB2019/059598
Publication Date:
December 17, 2020
Filing Date:
November 08, 2019
Export Citation:
Assignee:
STORA ENSO OYJ (FI)
International Classes:
D21F11/00; C08J5/18; D21H11/18
Attorney, Agent or Firm:
LINNÉ, Nina (SE)
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