Title:
紙、板紙等の製造方法
Document Type and Number:
Japanese Patent JP6937305
Kind Code:
B2
Abstract:
The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, which comprises at least one synthetic or natural polymer, or their mixture, and microfibrillated parenchymal cellulose material originating from non-wood sources, is added to the thick stock. The invention relates also to paper or board produced by the method.
Inventors:
Kalisalmi, Kaisa
Landin, Tom
Virtanen, Mikko
Laukkanen, Ante
McKee, Jason
Landin, Tom
Virtanen, Mikko
Laukkanen, Ante
McKee, Jason
Application Number:
JP2018530832A
Publication Date:
September 22, 2021
Filing Date:
December 15, 2016
Export Citation:
Assignee:
KEMIRA OYJ
International Classes:
D21H11/12; C08B1/00; D21H17/37; D21H21/18
Domestic Patent References:
| JP11501684A | ||||
| JP2010513741A | ||||
| JP2010106373A |
Foreign References:
| WO2014154937A1 | ||||
| CN101563504A | ||||
| WO2015166141A1 |
Attorney, Agent or Firm:
Inoue International Patent and Trademark Office
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue