Title:
処理パルプの製造方法
Document Type and Number:
Japanese Patent JP6474897
Kind Code:
B2
Abstract:
The present invention relates to a process for the production of treated pulp comprising the steps of: i. providing a fibre source material; ii. subjecting the fibre source material to pre-hydrolysis; iii. subjecting the pre-hydrolysed fibre source material to alkaline chemical pulping process, preferably kraft pulping, to obtain an alkaline pulp; iv. optionally adjusting the pH of the obtained pulp to above pH 9; v. subjecting the alkaline pulp to a bleaching sequence comprising contacting the pulp with ozone (Z) in alkaline conditions to obtain a treated pulp. The invention also relates to a treated pulp obtained, textile fibres produced from the treated pulp, textile products comprising the textile fibres and to the use of the treated pulp.
Inventors:
Elisabeth Balinor
Peter Accord
Thomas Larsson
Katharina Karlstrom
Peter Accord
Thomas Larsson
Katharina Karlstrom
Application Number:
JP2017526075A
Publication Date:
February 27, 2019
Filing Date:
November 17, 2015
Export Citation:
Assignee:
RISE INNVENTIA AB
International Classes:
D21C9/153; D01F2/00; D03D15/00; D21C3/02
Domestic Patent References:
| JP7090712A | ||||
| JP2012219416A | ||||
| JP2014074251A | ||||
| JP9507697A | ||||
| JP6502229A | ||||
| JP7189154A | ||||
| JP2009530508A | ||||
| JP2010513728A | ||||
| JP2002517173A | ||||
| JP2008202160A | ||||
| JP2009540144A | ||||
| JP9290825A |
Foreign References:
| US5589033 | ||||
| US5607545 | ||||
| US20110036523 | ||||
| US20100065233 | ||||
| WO1992012289A1 |
Attorney, Agent or Firm:
Mitsuo Tanaka
Takuji Yamada
Kenichi Morizumi
Takuji Yamada
Kenichi Morizumi