DE1620848A1 - Faserfreie Celluloseloesung und Verfahren zu ihrer Herstellung - Google Patents

Faserfreie Celluloseloesung und Verfahren zu ihrer Herstellung

Info

Publication number
DE1620848A1
DE1620848A1 DE19661620848 DE1620848A DE1620848A1 DE 1620848 A1 DE1620848 A1 DE 1620848A1 DE 19661620848 DE19661620848 DE 19661620848 DE 1620848 A DE1620848 A DE 1620848A DE 1620848 A1 DE1620848 A1 DE 1620848A1
Authority
DE
Germany
Prior art keywords
cellulose
solution
nitrogen dioxide
content
solvent
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.)
Pending
Application number
DE19661620848
Other languages
German (de)
English (en)
Inventor
Hergert Herbert Lawrence
Zopolis Peter Nickolas
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.)
Rayonier Inc
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
Publication of DE1620848A1 publication Critical patent/DE1620848A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00Preparation of cellulose ethers
    • C08B11/20Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08Composition of the spinning solution or the bath
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19661620848 1965-07-27 1966-07-09 Faserfreie Celluloseloesung und Verfahren zu ihrer Herstellung Pending DE1620848A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47522965A 1965-07-27 1965-07-27

Publications (1)

Publication Number Publication Date
DE1620848A1 true DE1620848A1 (de) 1970-12-10

Family

ID=23886730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661620848 Pending DE1620848A1 (de) 1965-07-27 1966-07-09 Faserfreie Celluloseloesung und Verfahren zu ihrer Herstellung

Country Status (3)

Country Link
DE (1) DE1620848A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1130484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE317366B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027033A1 (de) * 1979-07-25 1981-02-19 Itt Ind Gmbh Deutsche Verfahren zum aufloesen von zellulose

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027033A1 (de) * 1979-07-25 1981-02-19 Itt Ind Gmbh Deutsche Verfahren zum aufloesen von zellulose

Also Published As

Publication number Publication date
SE317366B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-11-17
GB1130484A (en) 1968-10-16

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971