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FR1389308A - High gloss cellulose pastes - Google Patents

High gloss cellulose pastes

Info

Publication number
FR1389308A
FR1389308A FR970768A FR970768A FR1389308A FR 1389308 A FR1389308 A FR 1389308A FR 970768 A FR970768 A FR 970768A FR 970768 A FR970768 A FR 970768A FR 1389308 A FR1389308 A FR 1389308A
Authority
FR
France
Prior art keywords
high gloss
cellulose pastes
pastes
cellulose
gloss
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR970768A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FMC Corp
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
Priority to US345119A priority Critical patent/US3284283A/en
Application filed by FMC Corp filed Critical FMC Corp
Priority to FR970768A priority patent/FR1389308A/en
Priority claimed from NL6413774A external-priority patent/NL6413774A/xx
Application granted granted Critical
Publication of FR1389308A publication Critical patent/FR1389308A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FR970768A 1964-02-17 1964-04-13 High gloss cellulose pastes Expired FR1389308A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US345119A US3284283A (en) 1964-02-17 1964-02-17 Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
FR970768A FR1389308A (en) 1964-02-17 1964-04-13 High gloss cellulose pastes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US345119A US3284283A (en) 1964-02-17 1964-02-17 Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
FR970768A FR1389308A (en) 1964-02-17 1964-04-13 High gloss cellulose pastes
NL6413774A NL6413774A (en) 1964-11-26 1964-11-26

Publications (1)

Publication Number Publication Date
FR1389308A true FR1389308A (en) 1965-02-12

Family

ID=32966131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970768A Expired FR1389308A (en) 1964-02-17 1964-04-13 High gloss cellulose pastes

Country Status (2)

Country Link
US (1) US3284283A (en)
FR (1) FR1389308A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293309A1 (en) * 1987-05-25 1988-11-30 Elf Atochem S.A. Process for producing chemithermomechanical pulps
EP0351330A1 (en) * 1988-07-12 1990-01-17 Elf Atochem S.A. Process for manufacturing bleached chemithermomechanical pulps

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981765A (en) * 1969-07-30 1976-09-21 Vita Mayer & C. Treatment of wood chips with an alkali metal borohydride solution followed by mechanical defibration
GB2061539B (en) * 1979-09-12 1983-08-10 Mitsubishi Paper Mills Ltd Silver halide photographic material
US5338402A (en) * 1987-05-25 1994-08-16 Societe Atochem Process for preparing a bleached chemithermomechanical pulp
GB9212926D0 (en) * 1992-06-18 1992-07-29 Morton Int Inc Method of bleaching paper pulp
CA2157154A1 (en) * 1994-08-29 1996-03-01 Gordon Leary Bleaching of high-yield pulps with oxygen
FI20086031L (en) * 2008-10-31 2010-05-01 Kemira Oyj Bleaching method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA611510A (en) * 1960-12-27 H. Andrews Douglas Manufacture of unbleached and semi-bleached sulphite pulp
US2826478A (en) * 1955-07-19 1958-03-11 Rohm & Haas Method of bleaching mechanically-disintegrated wood pulp with hydrosulfite bleach containing an alkali metal citrate
US2882147A (en) * 1956-03-12 1959-04-14 Monsanto Chemicals Semi-chemical pulping process
US2991152A (en) * 1957-01-16 1961-07-04 Goerrig Method of preparing sodium and potassium hyposulphite
US3023140A (en) * 1958-11-24 1962-02-27 Bauer Bros Co Pulp bleaching
US3100732A (en) * 1959-10-05 1963-08-13 Du Pont Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride
US3173748A (en) * 1962-06-25 1965-03-16 Stiftelsen Wallboardindustrien Method for producing a surface layer of high brightness on lignocellulosecontaining material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293309A1 (en) * 1987-05-25 1988-11-30 Elf Atochem S.A. Process for producing chemithermomechanical pulps
FR2615874A1 (en) * 1987-05-25 1988-12-02 Atochem PROCESS FOR THE PREPARATION OF CHEMICOTHERMOMECHANICAL PASTES
EP0351330A1 (en) * 1988-07-12 1990-01-17 Elf Atochem S.A. Process for manufacturing bleached chemithermomechanical pulps
FR2634233A1 (en) * 1988-07-12 1990-01-19 Atochem PROCESS FOR THE MANUFACTURE OF BLEACHED CHEMICOTHERMOMECHANICAL PASTES

Also Published As

Publication number Publication date
US3284283A (en) 1966-11-08

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