GB345938A - Manufacture of artificial fibres from viscose - Google Patents

Manufacture of artificial fibres from viscose

Info

Publication number
GB345938A
GB345938A GB3666229A GB3666229A GB345938A GB 345938 A GB345938 A GB 345938A GB 3666229 A GB3666229 A GB 3666229A GB 3666229 A GB3666229 A GB 3666229A GB 345938 A GB345938 A GB 345938A
Authority
GB
United Kingdom
Prior art keywords
viscose
per cent
cellulose
coagulation bath
class
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
GB3666229A
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
Priority to BE374789D priority Critical patent/BE374789A/xx
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB3666229A priority patent/GB345938A/en
Publication of GB345938A publication Critical patent/GB345938A/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
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath

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

Viscose silk of high tensile strength, for example, 3,5-5 grams per denier, is obtained with the use of a coagulation bath containing 30-55 per cent sulphuric acid and more than 20 per cent of a bisulphate, for example, ammonium or sodium bisulphate. The bath may contain other sulphates and bisulphates, such as zinc, magnesium and aluminium sulphates, and also the usual additions such as glucose, glycerine, and aniline sulphate. It is advantageous to apply to the threads additional stretch either in the coagulation bath, or between the coagulation bath and the collecting device, or at both places. The strength of the threads is higher the finer the individual titre; with titres below one denier, additional stretching is necessary. Ripened or unripened viscose may be used, and it is advantageous if the viscose is prepared from unripened alkali-cellulose; further it is an advantage to arrange that the viscose shall be of high viscosity, either by rinsing the cellulose content or by taking precautions to avoid degradation during its manufacture. The viscose may contain less than 5 per cent of alkali, or quantities larger than this. Specifications 10094/06, [Class 2, Acids and salts, Organic &c.], 274,521, 281,351 and 317,608, [all in Class 2 (ii), Cellulose &c.], are referred to.
GB3666229A 1929-11-29 1929-11-29 Manufacture of artificial fibres from viscose Expired GB345938A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE374789D BE374789A (en) 1929-11-29
GB3666229A GB345938A (en) 1929-11-29 1929-11-29 Manufacture of artificial fibres from viscose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3666229A GB345938A (en) 1929-11-29 1929-11-29 Manufacture of artificial fibres from viscose

Publications (1)

Publication Number Publication Date
GB345938A true GB345938A (en) 1931-03-30

Family

ID=10390132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3666229A Expired GB345938A (en) 1929-11-29 1929-11-29 Manufacture of artificial fibres from viscose

Country Status (2)

Country Link
BE (1) BE374789A (en)
GB (1) GB345938A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611928A (en) * 1948-11-23 1952-09-30 American Viscose Corp Method for producing high tenacity artificial yarn and cord

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611928A (en) * 1948-11-23 1952-09-30 American Viscose Corp Method for producing high tenacity artificial yarn and cord

Also Published As

Publication number Publication date
BE374789A (en)

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