FI820296L - Foerfarande foer framstaellning av kemiskmekanisk massa - Google Patents

Foerfarande foer framstaellning av kemiskmekanisk massa

Info

Publication number
FI820296L
FI820296L FI820296A FI820296A FI820296L FI 820296 L FI820296 L FI 820296L FI 820296 A FI820296 A FI 820296A FI 820296 A FI820296 A FI 820296A FI 820296 L FI820296 L FI 820296L
Authority
FI
Finland
Prior art keywords
kemiskmekanisk
massa
foerfarande foer
foer framstaellning
framstaellning
Prior art date
Application number
FI820296A
Other languages
English (en)
Other versions
FI820296A7 (fi
Inventor
Zenon C Prusas
Original Assignee
Mead 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 Mead Corp filed Critical Mead Corp
Publication of FI820296A7 publication Critical patent/FI820296A7/fi
Publication of FI820296L publication Critical patent/FI820296L/fi

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
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
FI820296A 1981-02-11 1982-01-29 Foerfarande foer framstaellning av kemiskmekanisk massa FI820296L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23341581A 1981-02-11 1981-02-11

Publications (2)

Publication Number Publication Date
FI820296A7 FI820296A7 (fi) 1982-08-12
FI820296L true FI820296L (fi) 1982-08-12

Family

ID=22877153

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820296A FI820296L (fi) 1981-02-11 1982-01-29 Foerfarande foer framstaellning av kemiskmekanisk massa

Country Status (8)

Country Link
JP (1) JPS57149581A (fi)
AU (1) AU545847B2 (fi)
BR (1) BR8200512A (fi)
CA (1) CA1173604A (fi)
FI (1) FI820296L (fi)
NO (1) NO820336L (fi)
NZ (1) NZ199486A (fi)
SE (1) SE8200756L (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
SE454186C (sv) * 1985-03-13 1989-09-25 Eka Nobel Ab Saett foer framstaellning av kemimekanisk massa
SE466060C (sv) 1990-02-13 1995-09-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
FR2675518B1 (fr) * 1991-04-17 1996-10-18 Atochem Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
US20040200586A1 (en) 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
JP4272514B2 (ja) 2001-07-19 2009-06-03 アンドリッツ インコーポレーテッド アルカリ過酸化物を用いる４段階のメカニカルパルプ化
JP4501329B2 (ja) * 2002-03-29 2010-07-14 日本製紙株式会社 グラビア印刷用塗工紙
CN104389214A (zh) * 2014-10-28 2015-03-04 广西大学 一种利用鲜竹材制取apmp浆的方法

Also Published As

Publication number Publication date
CA1173604A (en) 1984-09-04
JPS57149581A (en) 1982-09-16
NO820336L (no) 1982-08-12
AU545847B2 (en) 1985-08-01
AU7947182A (en) 1982-08-19
FI820296A7 (fi) 1982-08-12
BR8200512A (pt) 1982-12-07
NZ199486A (en) 1984-12-14
SE8200756L (sv) 1982-08-12

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: THE MEAD CORPORATION