CH348044A - Verfahren zur Aufrechterhaltung der Helligkeit von gebleichtem Fasermaterial - Google Patents

Verfahren zur Aufrechterhaltung der Helligkeit von gebleichtem Fasermaterial

Info

Publication number
CH348044A
CH348044A CH348044DA CH348044A CH 348044 A CH348044 A CH 348044A CH 348044D A CH348044D A CH 348044DA CH 348044 A CH348044 A CH 348044A
Authority
CH
Switzerland
Prior art keywords
brightness
maintaining
fiber material
bleached fiber
bleached
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Russell Sheldon Fred
Lemuel Mcewen Robert
Eugene Price Carl
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of CH348044A publication Critical patent/CH348044A/de

Links

Classifications

    • 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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1047—Conserving the bleached pulp

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
CH348044D 1954-11-19 1955-11-09 Verfahren zur Aufrechterhaltung der Helligkeit von gebleichtem Fasermaterial CH348044A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US341706XA 1954-11-19 1954-11-19

Publications (1)

Publication Number Publication Date
CH348044A true CH348044A (de) 1960-07-31

Family

ID=21874739

Family Applications (2)

Application Number Title Priority Date Filing Date
CH348044D CH348044A (de) 1954-11-19 1955-11-09 Verfahren zur Aufrechterhaltung der Helligkeit von gebleichtem Fasermaterial
CH341706D CH341706A (de) 1954-11-19 1955-11-19 Verfahren zum Bleichen von Holzstoffbreien

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH341706D CH341706A (de) 1954-11-19 1955-11-19 Verfahren zum Bleichen von Holzstoffbreien

Country Status (6)

Country Link
BE (1) BE542859A (tr)
CH (2) CH348044A (tr)
DE (2) DE1043789B (tr)
FR (2) FR1159573A (tr)
GB (2) GB785737A (tr)
NL (1) NL202075A (tr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103121B (de) * 1958-02-10 1961-03-23 Mo Och Domsjoe Ab Verfahren zur Behandlung von Zellstoff mit Alkaliborhydriden
FR2218376A1 (en) * 1973-02-16 1974-09-13 Air Liquide Suppression of mould and yellowing of paper pastes - by washing with hydrogen peroxide and sodium diethylene triamine pentacetate
FR2613388B1 (fr) * 1987-04-02 1990-05-04 Atochem Procede de blanchiment de pates
SE9402542D0 (sv) * 1994-07-20 1994-07-20 Kvaerner Pulping Tech Förfarande och anordning vid blekning med trycksatt peroxid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029985A (en) * 1932-05-31 1936-02-04 Buffalo Electro Chem Co Method of bleaching
US2125634A (en) * 1937-03-29 1938-08-02 Oxford Paper Co Method of bleaching pulp or paper webs
US2150926A (en) * 1937-07-03 1939-03-21 Buffalo Electro Chem Co Process of making and bleaching paper
US2510595A (en) * 1946-09-20 1950-06-06 Buffalo Electro Chem Co Method of bleaching groundwood
GB671962A (en) * 1949-08-30 1952-05-14 Buffalo Electro Chem Co Process of bleaching wood pulp
US2692181A (en) * 1950-03-08 1954-10-19 Buffalo Electro Chem Co Treatment of unbleached sulfite pulp
US2661261A (en) * 1950-06-30 1953-12-01 Buffalo Electro Chem Co Method of superbleaching chemical pulp
BE517333A (tr) * 1952-02-02

Also Published As

Publication number Publication date
FR1159573A (fr) 1958-06-30
DE1043789B (de) 1958-11-13
GB785737A (en) 1957-11-06
FR1153424A (fr) 1958-03-10
DE1049222B (de) 1959-01-22
GB791352A (en) 1958-02-26
NL202075A (tr)
CH341706A (de) 1959-10-15
BE542859A (tr) 1959-09-11

Similar Documents

Publication Publication Date Title
CH341071A (de) Verfahren zur Herstellung von Diazooxosulfonamiden
CH422515A (de) Verfahren zur Herstellung von Druckformen
CH342218A (de) Verfahren zur Herstellung von Organohalogenmonosilanen
CH341995A (de) Verfahren zur Herstellung von Polyestern
CH404200A (de) Verfahren zur Herstellung von Polyäthylenen
CH367168A (de) Verfahren zur Herstellung von 17a-Alkyl-19-nortestosteronen
CH337548A (de) Verfahren zur Herstellung von Insektiziden
CH354250A (de) Verfahren zur Herstellung von optisch aufgehellten Polyamiden
CH348044A (de) Verfahren zur Aufrechterhaltung der Helligkeit von gebleichtem Fasermaterial
CH330824A (de) Verfahren zur Herstellung von Dioxynitroarylaminoanthrachinonen
CH323610A (de) Verfahren zur Herstellung von Küpenfarbstoffen
CH332820A (de) Verfahren zur Gewinnung von gebleichtem Halbzellstoff
CH357396A (de) Verfahren zur Herstellung von basisch substituierten 1-Benzyl-tetrahydroisochinolinen
CH346104A (de) Verfahren zur Fraktionierung von Sulfitablauge
CH341994A (de) Verfahren zur Herstellung von fluoreszierenden Flächengebilden
CH341171A (de) Verfahren zur Herstellung von a-Acylamino-B-amino-nitro-propiophenonen
CH342572A (de) Verfahren zur Herstellung von Acylamino-amino-anthrachinonen
CH337529A (de) Verfahren zur Herstellung von Propylaminen
AT193598B (de) Verfahren zur Herstellung von wärmeisolierenden Bauteilen
AT193243B (de) Verfahren zur Herstellung von halbchemischer Zellulosemasse
AT190270B (de) Verfahren zur Herstellung von Flammschutzmitteln
AT196556B (de) Verfahren zur Gewinnung von Triterpensäuren
AT188326B (de) Verfahren zur Herstellung von Cycloalkylhydroxylaminen
AT191859B (de) Verfahren zur Herstellung von chlorierten Äthylenen
AT196239B (de) Verfahren zur Fraktionierung von Sulfitablauge