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AT253916B - Process for the production of non-mercerized, cold-caustic cleaned cellulose with a high α-content from unbleached or partially bleached cellulose material - Google Patents

Process for the production of non-mercerized, cold-caustic cleaned cellulose with a high α-content from unbleached or partially bleached cellulose material

Info

Publication number
AT253916B
AT253916B AT891863A AT891863A AT253916B AT 253916 B AT253916 B AT 253916B AT 891863 A AT891863 A AT 891863A AT 891863 A AT891863 A AT 891863A AT 253916 B AT253916 B AT 253916B
Authority
AT
Austria
Prior art keywords
cellulose
mercerized
unbleached
cold
production
Prior art date
Application number
AT891863A
Other languages
German (de)
Original Assignee
Rayonier Inc
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 Rayonier Inc filed Critical Rayonier Inc
Application granted granted Critical
Publication of AT253916B publication Critical patent/AT253916B/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
    • D21C9/08—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT891863A 1963-02-25 1963-11-07 Process for the production of non-mercerized, cold-caustic cleaned cellulose with a high α-content from unbleached or partially bleached cellulose material AT253916B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US260822A US3305433A (en) 1963-02-25 1963-02-25 Cold caustic refining of cellulose

Publications (1)

Publication Number Publication Date
AT253916B true AT253916B (en) 1967-04-25

Family

ID=22990760

Family Applications (1)

Application Number Title Priority Date Filing Date
AT891863A AT253916B (en) 1963-02-25 1963-11-07 Process for the production of non-mercerized, cold-caustic cleaned cellulose with a high α-content from unbleached or partially bleached cellulose material

Country Status (9)

Country Link
US (1) US3305433A (en)
AT (1) AT253916B (en)
BE (1) BE633461A (en)
CH (1) CH423743A (en)
DE (1) DE1243506B (en)
ES (1) ES288376A1 (en)
FI (1) FI42033B (en)
GB (1) GB971979A (en)
NL (1) NL293231A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1792227B1 (en) * 1968-02-02 1971-10-28 Eastman Kodak Co Process for converting unbleached sulphite pulp into an esterification-pure pulp
USRE32408E (en) * 1982-09-29 1987-04-28 Masonite Corporation Lignosulfonate-phenol-formaldehyde resin binder
US6716310B2 (en) 2001-12-31 2004-04-06 Kimberly-Clark Worldwide, Inc. Process for manufacturing a cellulosic paper product exhibiting reduced malodor
US7854847B2 (en) * 2006-11-09 2010-12-21 Rayonier Trs Holdings Inc. Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical
EA024458B1 (en) * 2014-05-19 2016-09-30 Сумгаитский Государственный Университет Process for cellulose activation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE379997A (en) * 1930-07-26
US1935580A (en) * 1930-09-06 1933-11-14 Brown Co Processing of cellulose fiber
US3068141A (en) * 1959-09-10 1962-12-11 Eastman Kodak Co Method of refining kraft wood pulp

Also Published As

Publication number Publication date
BE633461A (en)
DE1243506B (en) 1967-06-29
NL293231A (en)
CH423743A (en) 1966-11-15
US3305433A (en) 1967-02-21
GB971979A (en) 1964-10-07
FI42033B (en) 1969-12-31
ES288376A1 (en) 1963-12-01

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