NO171997C - Fremgangsmaate og apparat for forbedring av egenskapene til trefibre i mekanisk masse ved sulfonering i flere trinn - Google Patents

Fremgangsmaate og apparat for forbedring av egenskapene til trefibre i mekanisk masse ved sulfonering i flere trinn

Info

Publication number
NO171997C
NO171997C NO855245A NO855245A NO171997C NO 171997 C NO171997 C NO 171997C NO 855245 A NO855245 A NO 855245A NO 855245 A NO855245 A NO 855245A NO 171997 C NO171997 C NO 171997C
Authority
NO
Norway
Prior art keywords
sulphonation
fiber
improving
procedure
multiple steps
Prior art date
Application number
NO855245A
Other languages
English (en)
Norwegian (no)
Other versions
NO855245L (no
NO171997B (no
Inventor
Serge B Beaulieu
Original Assignee
Bear Island Paper 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 Bear Island Paper Co filed Critical Bear Island Paper Co
Publication of NO855245L publication Critical patent/NO855245L/no
Publication of NO171997B publication Critical patent/NO171997B/no
Publication of NO171997C publication Critical patent/NO171997C/no

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
    • D21C9/001—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
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Multicomponent Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
NO855245A 1984-12-31 1985-12-23 Fremgangsmaate og apparat for forbedring av egenskapene til trefibre i mekanisk masse ved sulfonering i flere trinn NO171997C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/687,977 US4708771A (en) 1984-12-31 1984-12-31 Two stage process for sulfonating mechanical pulp fibers

Publications (3)

Publication Number Publication Date
NO855245L NO855245L (no) 1986-07-01
NO171997B NO171997B (no) 1993-02-15
NO171997C true NO171997C (no) 1993-05-26

Family

ID=24762615

Family Applications (1)

Application Number Title Priority Date Filing Date
NO855245A NO171997C (no) 1984-12-31 1985-12-23 Fremgangsmaate og apparat for forbedring av egenskapene til trefibre i mekanisk masse ved sulfonering i flere trinn

Country Status (6)

Country Link
US (1) US4708771A (sv)
AU (1) AU588006B2 (sv)
CA (1) CA1250702A (sv)
FI (1) FI90441C (sv)
NO (1) NO171997C (sv)
SE (1) SE468818B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522967A (en) * 1994-05-27 1996-06-04 Kimberly-Clark Corporation Sulfonated cellulose and method of preparation
US5703225A (en) * 1995-12-13 1997-12-30 Kimberly-Clark Worldwide, Inc. Sulfonated cellulose having improved absorbent properties
US6500947B1 (en) 2001-08-24 2002-12-31 Weyerhaeuser Company Superabsorbent polymer
US20030035950A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034137A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030024663A1 (en) * 2002-07-19 2003-02-06 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034136A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
WO2008153565A1 (en) 2007-06-12 2008-12-18 Meadwestvaco Corporation A fiber blend having high yield and enhanced pulp performance and method for making same
US20080308239A1 (en) * 2007-06-12 2008-12-18 Hart Peter W Fiber blend having high yield and enhanced pulp performance and method for making same
US20100175840A1 (en) * 2007-06-12 2010-07-15 Hart Peter W High yield and enhanced performance fiber
GB201304717D0 (en) 2013-03-15 2013-05-01 Imerys Minerals Ltd Paper composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US179103A (en) * 1876-06-27 Improvement in the processes for manufacturing paper-pulp from wood
CA554831A (en) * 1958-03-25 A. Ohlin Erik Method of producing semi-pulp from wood
US3711366A (en) * 1966-08-03 1973-01-16 Kokusaku Pulp Ind Co Ltd Digesting lignocellulosic material with sodium hydroxymethylsulfonate
US3607618A (en) * 1967-11-06 1971-09-21 Process Dev Corp Wood-pulping process
CA1075857A (en) * 1976-02-20 1980-04-22 Price Company Limited (The) Chemical pretreatment of wood prior to making refiner groundwood
US4145246A (en) * 1976-07-19 1979-03-20 Crown Zellerbach Corporation Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom
CA1071805A (en) * 1977-10-25 1980-02-19 Ontario Paper Company Limited (The) Drainage and wet stretch improvement in mechanical pulps
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
CA1177607A (en) * 1981-06-10 1984-11-13 David M. Mackie Chemical treatment of mechanical wood pulp
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments

Also Published As

Publication number Publication date
FI90441B (sv) 1993-10-29
NO855245L (no) 1986-07-01
SE8506079L (sv) 1986-07-01
FI855119A0 (sv) 1985-12-20
AU5027785A (en) 1986-07-10
FI90441C (sv) 1994-02-10
FI855119A (sv) 1986-07-01
NO171997B (no) 1993-02-15
SE8506079D0 (sv) 1985-12-20
AU588006B2 (en) 1989-09-07
US4708771A (en) 1987-11-24
CA1250702A (en) 1989-03-07
SE468818B (sv) 1993-03-22

Similar Documents

Publication Publication Date Title
DK182888D0 (da) Fremgangsmaade ved og apparat til fremstilling af et aromastof
DE3065051D1 (en) Method of terminating optical fibres
DK159478C (da) Fremgangsmaade og apparat til fremstilling af granulater samt granulat fremstillet ved fremgangsmaaden
AU544344B2 (en) Method and apparatus for the production of fibrous(glass) insulation
DK341981A (da) Fremgangsmaade og apparat til processtyring
DK378388A (da) Fremgangsmaade og apparat til fremstilling af pyramidestubformede daaseemner
PT80393B (en) Apparatus for the cryofixation of specimens
NO171997C (no) Fremgangsmaate og apparat for forbedring av egenskapene til trefibre i mekanisk masse ved sulfonering i flere trinn
GB2142280B (en) Process and apparatus for the colour-coding of optical waveguides
NO162610C (no) Fremgangsmaate og apparat for fremstilling av glassfibere.
PT80394A (en) Apparatus for the cryofixation of specimens
NO792186L (no) R fremgangsmaate ved og apparat for fremstilling av glassfibe
JPS54142221A (en) Method of regenerating glass fiber and its apparatus
DK374684D0 (da) Forbedring af eller ved beholdere og fremgangsmaade og apparat til frestilling af beholdere
GB2071175B (en) Method of improving properties of ceramic fibres
GB2053784B (en) Apparatus for and method of production of optical branching element and its components
NO150727C (no) Fremgangsmaate ved og apparat for raffinering av masse
DK142085A (da) Apparat til fremstilling af poroese emner til optiske fibre
DK233285A (da) Fremgangsmaade ved injektionsstoebning og apparat til udoevelse af fremgangsmaaden
SU896946A1 (ru) Способ получения теплостойких волокон из ароматического полиамида
DK177485D0 (da) Beholder og fremgangsmaade og apparat til fremstilling heraf
JPS5540830A (en) Open type high temperature treating method of fiber
NO160909C (no) Fremgangsmaate og apparat for fremstilling av masse.
IS3572A7 (is) Aðferð til framleiðslu þríglýserið og samsetningar þríglýserið efnablöndu
ZA78987B (en) Method and apparatus for distribution of glass fibers