CH265855A - Process for bleaching wood fibers containing defibrated wood. - Google Patents

Process for bleaching wood fibers containing defibrated wood.

Info

Publication number
CH265855A
CH265855A CH265855DA CH265855A CH 265855 A CH265855 A CH 265855A CH 265855D A CH265855D A CH 265855DA CH 265855 A CH265855 A CH 265855A
Authority
CH
Switzerland
Prior art keywords
wood
fibers containing
bleaching
containing defibrated
wood fibers
Prior art date
Application number
Other languages
French (fr)
Inventor
Inc Buffalo Electro-Ch Company
Original Assignee
Buffalo Electro Chem Co
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 Buffalo Electro Chem Co filed Critical Buffalo Electro Chem Co
Publication of CH265855A publication Critical patent/CH265855A/en

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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CH265855D 1946-09-20 1947-06-16 Process for bleaching wood fibers containing defibrated wood. CH265855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698402A US2510595A (en) 1946-09-20 1946-09-20 Method of bleaching groundwood

Publications (1)

Publication Number Publication Date
CH265855A true CH265855A (en) 1949-12-31

Family

ID=24805088

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265855D CH265855A (en) 1946-09-20 1947-06-16 Process for bleaching wood fibers containing defibrated wood.

Country Status (4)

Country Link
US (1) US2510595A (en)
CH (1) CH265855A (en)
FR (1) FR951863A (en)
GB (1) GB626794A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613579A (en) * 1947-08-27 1952-10-14 Buffalo Electro Chem Co Sizing and bleaching a wet web
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
US2687942A (en) * 1951-03-19 1954-08-31 Du Pont Bleaching of groundwood-sulfite pulp mixtures
US2723179A (en) * 1951-03-31 1955-11-08 Cons Water Power & Paper Co Bleaching a mixture of sulfite and semi-chemical pulps
US2872280A (en) * 1953-05-27 1959-02-03 Fmc Corp Process of bleaching cellulose pulps by absorbing alkali in the pulp and then applying hydrogen peroxide
NL202075A (en) * 1954-11-19 Fmc Corp
US2960382A (en) * 1955-05-13 1960-11-15 Armstrong Cork Co Method of bleaching linoleum using hydrogen peroxide bleach
US2860945A (en) * 1955-07-28 1958-11-18 Du Pont Bleaching cyanoethylated cotton fibers with hydrogen peroxidephosphate solution and optionally with water-soluble sulfoxylate solution
US3423283A (en) * 1965-09-02 1969-01-21 Dow Chemical Co Process of bleaching a sheet of groundwood pulp
US3507744A (en) * 1966-04-01 1970-04-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
US4014737A (en) * 1975-05-19 1977-03-29 Brennan Robert M Method of molding preform having 600% by weight water
CN1074073C (en) * 1994-12-28 2001-10-31 矿业技术有限公司 Bleaching of filled paper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409799A (en) * 1921-06-17 1922-03-14 George M Trostel Method of bleaching pulp
US2107297A (en) * 1934-03-08 1938-02-08 Buffalo Electro Chem Co Bleaching fiber
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
US2191431A (en) * 1938-04-13 1940-02-20 Buffalo Electro Chem Co Wood bleaching
US2435566A (en) * 1944-10-16 1948-02-10 West Virginia Pulp & Paper Co Peroxide bleaching of ground wood

Also Published As

Publication number Publication date
FR951863A (en) 1949-11-04
GB626794A (en) 1949-07-21
US2510595A (en) 1950-06-06

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