GB347810A - Improvements in the manufacture of artificial fibres - Google Patents

Improvements in the manufacture of artificial fibres

Info

Publication number
GB347810A
GB347810A GB7512/30A GB751230A GB347810A GB 347810 A GB347810 A GB 347810A GB 7512/30 A GB7512/30 A GB 7512/30A GB 751230 A GB751230 A GB 751230A GB 347810 A GB347810 A GB 347810A
Authority
GB
United Kingdom
Prior art keywords
solution
bath
manufacture
artificial fibres
cellulose
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
GB7512/30A
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.)
Heberlein and Co AG
Original Assignee
Heberlein and Co 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 Heberlein and Co AG filed Critical Heberlein and Co AG
Publication of GB347810A publication Critical patent/GB347810A/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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D01F2/04—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions

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

Artificial fibres are produced by spinning a cuprammonium solution of cellulose into a precipitating bath consisting of a solution of a caustic alkali of concentration usual for mercerization (i.e. a solution of at least 15 DEG B<\>ae.), cooled to a temperature substantially below 0 DEG C., for example -5 DEG C. According to a modification of the process, the above precipitating bath is used as the first or second bath in a two-stage process, the other bath comprising a dilute alkali solution. Specification 271,517, [Class 2 (ii), Cellulose &c.], is referred to.
GB7512/30A 1929-03-07 1930-03-07 Improvements in the manufacture of artificial fibres Expired GB347810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE347810X 1929-03-07

Publications (1)

Publication Number Publication Date
GB347810A true GB347810A (en) 1931-05-07

Family

ID=6256637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7512/30A Expired GB347810A (en) 1929-03-07 1930-03-07 Improvements in the manufacture of artificial fibres

Country Status (3)

Country Link
BE (1) BE365269A (en)
FR (1) FR691026A (en)
GB (1) GB347810A (en)

Also Published As

Publication number Publication date
FR691026A (en) 1930-09-29
BE365269A (en)

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