FI20115668A0 - A method for bleaching a fibrous material - Google Patents

A method for bleaching a fibrous material

Info

Publication number
FI20115668A0
FI20115668A0 FI20115668A FI20115668A FI20115668A0 FI 20115668 A0 FI20115668 A0 FI 20115668A0 FI 20115668 A FI20115668 A FI 20115668A FI 20115668 A FI20115668 A FI 20115668A FI 20115668 A0 FI20115668 A0 FI 20115668A0
Authority
FI
Finland
Prior art keywords
bleaching
fibrous material
fibres
peracid
cellulose
Prior art date
Application number
FI20115668A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI123344B (en
FI20115668A (en
Inventor
Sakari Siren
Original Assignee
Carbatec Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carbatec Oy filed Critical Carbatec Oy
Priority to FI20115668A priority Critical patent/FI123344B/en
Publication of FI20115668A0 publication Critical patent/FI20115668A0/en
Priority to PCT/FI2012/000020 priority patent/WO2012136878A2/en
Priority to PCT/FI2012/050653 priority patent/WO2012175815A1/en
Publication of FI20115668A publication Critical patent/FI20115668A/en
Application granted granted Critical
Publication of FI123344B publication Critical patent/FI123344B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
    • D06L4/27—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using organic agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B16/00—Regeneration of cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Microbiology (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention relates to a method for bleaching a material that comprises fibres made of a cellulose-containing raw material, in which method the fibres are treated with a bleaching solution that contains a peracid.
FI20115668A 2011-04-08 2011-06-23 A method for bleaching a fibrous material FI123344B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20115668A FI123344B (en) 2011-06-23 2011-06-23 A method for bleaching a fibrous material
PCT/FI2012/000020 WO2012136878A2 (en) 2011-04-08 2012-04-10 Method for bleaching fibrous material made from atypical raw material
PCT/FI2012/050653 WO2012175815A1 (en) 2011-06-23 2012-06-21 Method for bleaching fiber material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20115668 2011-06-23
FI20115668A FI123344B (en) 2011-06-23 2011-06-23 A method for bleaching a fibrous material

Publications (3)

Publication Number Publication Date
FI20115668A0 true FI20115668A0 (en) 2011-06-23
FI20115668A FI20115668A (en) 2012-12-24
FI123344B FI123344B (en) 2013-02-28

Family

ID=44206876

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20115668A FI123344B (en) 2011-04-08 2011-06-23 A method for bleaching a fibrous material

Country Status (2)

Country Link
FI (1) FI123344B (en)
WO (1) WO2012175815A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127444B (en) * 2015-05-27 2018-06-15 Kemira Oyj Method for reducing pulp viscosity in production of dissolving pulp
CN112981577A (en) * 2019-12-12 2021-06-18 连津格股份公司 Method for producing modal fibers completely chlorine-free
JP7550189B2 (en) 2022-06-10 2024-09-12 大王製紙株式会社 Method for producing carbamate cellulose fibers and method for producing carbamate cellulose fine fibers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE570484A (en) * 1957-09-06
GB926639A (en) * 1960-05-31 1963-05-22 Courtaulds Ltd Improvements relating to the treatment of cellulosic fabrics
FI91778C (en) * 1991-12-31 1994-08-10 Kemira Fibres Oy Silica containing product and process for its preparation

Also Published As

Publication number Publication date
FI123344B (en) 2013-02-28
WO2012175815A1 (en) 2012-12-27
FI20115668A (en) 2012-12-24

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