DE408821C - Process for the production of cellulose solutions - Google Patents

Process for the production of cellulose solutions

Info

Publication number
DE408821C
DE408821C DEB107819D DEB0107819D DE408821C DE 408821 C DE408821 C DE 408821C DE B107819 D DEB107819 D DE B107819D DE B0107819 D DEB0107819 D DE B0107819D DE 408821 C DE408821 C DE 408821C
Authority
DE
Germany
Prior art keywords
production
cellulose
cellulose solutions
chloral
solution
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.)
Expired
Application number
DEB107819D
Other languages
German (de)
Inventor
Dr Kurt H Meyer
Dr Wilhelm Ruppel
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DEB107819D priority Critical patent/DE408821C/en
Application granted granted Critical
Publication of DE408821C publication Critical patent/DE408821C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Description

Verfahren zur Herstellung von Celluloselösungen. Es wurde die überraschende Beobachtung gemacht, daß Cellulose beliebiger Art und Herkunft von Chloral in Gegenwart tertiärer organischer Basen bei erhöhter Temperatur in kurzer Zeit aufgelöst wird.Process for the production of cellulose solutions. It turned out to be the most surprising Observation made that cellulose of any kind and origin of chloral in the presence tertiary organic bases is dissolved in a short time at elevated temperature.

Die so erhaltene, sehr viskose Lösung hinterläßt beim Verdunsten des Lösungsmittels die Cellulose als Chloralverbindung in Form einer klaren, durchsichtigen Haut und kann zu Lacküberzügen, Films u. dgl. verwendet werden.The very viscous solution obtained in this way leaves behind when the evaporates Solvent the cellulose as a chloral compound in the form of a clear, transparent Skin and can be used for lacquer coatings, films and the like.

Man kann aber auch die Cellulose bzw. ihre Chloralverbindung aus der Lösung ausfällen durch Anwendung eines Fällbades, bestehend aus Wasser, Säuren, Alkalien, Kohlenwasserstoffen oder ihren Derivaten, Alkoholen, Aldehyden usw., und die Lösung so nach bekannten Methoden zur Herstellung von Kunstfäden. Films, plastischen Massen usw. benutzen. Beispiel. In eine Mischung von .1 Teilen Chloral und 8 Teilen Pyridin trägt man einen Teil Cellulose ein und erwärmt auf etwa 9o bis 95°. Die Cellulose quillt sofort auf und ist nach etwa zwei Stunden zu einer klaren, gelbbraunen Flüssigkeit gelöst.But you can also use the cellulose or its chloral compound from the Precipitate the solution by using a precipitation bath consisting of water, acids, Alkalis, hydrocarbons or their derivatives, alcohols, aldehydes, etc., and the solution according to known methods for the production of artificial threads. Films, plastic Use masses, etc. Example. In a mixture of .1 part chloral and 8 parts Pyridine is a part of cellulose and heated to about 9o to 95 °. the Cellulose swells up immediately and turns into a clear, yellow-brown color after about two hours Liquid dissolved.

Die Lösung ist unbegrenzt lange haltbar. Statt des Pyridins lassen sich auch andere tertiäre Basen, wie Chinolin und andere, verwenden. Auch können der Lösung gegebenenfalls geeignete wasserfreie Verdünnungsmittel und andere geeignete Zusätze beigefügt werden.The solution can be kept indefinitely. Leave instead of the pyridine other tertiary bases such as quinoline and others can also be used. Also can if appropriate, suitable anhydrous diluents and other suitable diluents for the solution Supplements are added.

Claims (1)

PATENT-ANSPRUCH: Verfahren zur Herstellung von Celluloselösungen, dadurch gekennzeichnet, daß man Cellulose mit Chloral in Gegenwart tertiärer organischer Basen behandelt.PATENT CLAIM: Process for the production of cellulose solutions, characterized in that one cellulose with chloral in the presence of tertiary organic Treated bases.
DEB107819D 1922-12-30 1922-12-30 Process for the production of cellulose solutions Expired DE408821C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB107819D DE408821C (en) 1922-12-30 1922-12-30 Process for the production of cellulose solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB107819D DE408821C (en) 1922-12-30 1922-12-30 Process for the production of cellulose solutions

Publications (1)

Publication Number Publication Date
DE408821C true DE408821C (en) 1925-01-24

Family

ID=6992017

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB107819D Expired DE408821C (en) 1922-12-30 1922-12-30 Process for the production of cellulose solutions

Country Status (1)

Country Link
DE (1) DE408821C (en)

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