GB441218A - The manufacture of wool-like artificial fibres - Google Patents

The manufacture of wool-like artificial fibres

Info

Publication number
GB441218A
GB441218A GB2517634A GB2517634A GB441218A GB 441218 A GB441218 A GB 441218A GB 2517634 A GB2517634 A GB 2517634A GB 2517634 A GB2517634 A GB 2517634A GB 441218 A GB441218 A GB 441218A
Authority
GB
United Kingdom
Prior art keywords
alcohol
ammonia
baths
bath
per cent
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
GB2517634A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB2517634A priority Critical patent/GB441218A/en
Publication of GB441218A publication Critical patent/GB441218A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/02—Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

Wool-like artificial fibres are manufactured by carrying out the desulphurization of viscose material, and the after-treatment with organic liquids capable of dissolving water according to Specification 424,229 by a treatment with the said organic liquids capable of dissolving water in the presence of a volatile base which boils below 100 DEG C. Advantageously the material is treated in a plurality of baths of increasing strength as regards the said organic liquids, and small quantities of volatile base, for instance ammonia, are added to the first bath of lowest strength. In an example a suitable viscose material is washed with water and squeezed to remove excess liquid. It is then treated with a bath containing 35 per cent of ethyl alcohol and 1 to 10 per cent of ammonia, and subsequently with further baths containing more alcohol but no ammonia. After the last bath consisting, e.g. of alcohol of 92 per cent strength, the adherent solvent is removed by squeezing or centrifuging and the residual alcohol recovered in known manner. The baths may be connected by overflow apparatus, the alcohol running through the baths in countercurrent to the fibrous material, and ammonia being added to the last bath.
GB2517634A 1934-08-31 1934-08-31 The manufacture of wool-like artificial fibres Expired GB441218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2517634A GB441218A (en) 1934-08-31 1934-08-31 The manufacture of wool-like artificial fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2517634A GB441218A (en) 1934-08-31 1934-08-31 The manufacture of wool-like artificial fibres

Publications (1)

Publication Number Publication Date
GB441218A true GB441218A (en) 1936-01-15

Family

ID=10223456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2517634A Expired GB441218A (en) 1934-08-31 1934-08-31 The manufacture of wool-like artificial fibres

Country Status (1)

Country Link
GB (1) GB441218A (en)

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