DK124691B - Fremgangsmåde til fremstilling af cellulosepulp af esterificeringsrenhed. - Google Patents

Fremgangsmåde til fremstilling af cellulosepulp af esterificeringsrenhed.

Info

Publication number
DK124691B
DK124691B DK495468A DK495468A DK124691B DK 124691 B DK124691 B DK 124691B DK 495468 A DK495468 A DK 495468A DK 495468 A DK495468 A DK 495468A DK 124691 B DK124691 B DK 124691B
Authority
DK
Denmark
Prior art keywords
esterification
purity
production
cellulose pulp
pulp
Prior art date
Application number
DK495468A
Other languages
Danish (da)
English (en)
Inventor
W Schattner
F Wells
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DK124691B publication Critical patent/DK124691B/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/06—Rendering cellulose suitable for etherification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/02—Rendering cellulose suitable for esterification
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DK495468A 1968-02-02 1968-10-15 Fremgangsmåde til fremstilling af cellulosepulp af esterificeringsrenhed. DK124691B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70254568A 1968-02-02 1968-02-02

Publications (1)

Publication Number Publication Date
DK124691B true DK124691B (da) 1972-11-13

Family

ID=24821652

Family Applications (1)

Application Number Title Priority Date Filing Date
DK495468A DK124691B (da) 1968-02-02 1968-10-15 Fremgangsmåde til fremstilling af cellulosepulp af esterificeringsrenhed.

Country Status (5)

Country Link
BE (1) BE719387A (fr)
CH (1) CH504478A (fr)
DE (1) DE1792227B1 (fr)
DK (1) DK124691B (fr)
NO (1) NO125193B (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633461A (fr) * 1963-02-25

Also Published As

Publication number Publication date
BE719387A (fr) 1969-01-16
CH504478A (fr) 1971-03-15
DE1792227B1 (de) 1971-10-28
NO125193B (fr) 1972-07-31

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