US2082814A - Process of making a substitute for wool from viscose - Google Patents

Process of making a substitute for wool from viscose Download PDF

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Publication number
US2082814A
US2082814A US52201A US5220135A US2082814A US 2082814 A US2082814 A US 2082814A US 52201 A US52201 A US 52201A US 5220135 A US5220135 A US 5220135A US 2082814 A US2082814 A US 2082814A
Authority
US
United States
Prior art keywords
viscose
substitute
making
wool
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 - Lifetime
Application number
US52201A
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English (en)
Inventor
Zetzsche Walther
Faber Hermann
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
Application granted granted Critical
Publication of US2082814A publication Critical patent/US2082814A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • any known device may be used for the scaping agents or brightening agents.
  • the fibers stretching for example rollers driven at difierthus made are dried and combed to produce a ent speeds, or rods set in staggered relationship loose staple fiber sliver.
  • the thread is thoroughin the path of the thread and thus cause the ly crimped, in which respect it approximates wool latter to change its direction. Also the stretchvery closely. 20
  • ing may be produced by use of a draft speed ex- Instead of the glycerin heated at 120 C. a ceeding considerably the speed of expression of,' concentrated solution of sodium sulfate boiling at the xanthate. Spinning baths suitable for makabout 103 C. may be used. The decomposition ing the cellulose xanthate threadsare ammonium needs a little more time in view of the lower temsulfate solutions, with or without sodium sulfate. perature. 25
  • nated :oii such as sulfonated olive oil or castor 1.
  • a p ocess of making a ubsti ute for W001 oil are suitable.
  • aqueous which comprises squirting viscose into a precipisolutions of high boiling point of inorganic salts, tating bath capable of precipitating the viscose such as a calcium chloride solution, or a conin the form of cellulose xanthogenate, assembling 30 centrated solution of sodium sulfate which has the spun th a s to a h k fi r b cutting proved to be well adapted, aqueous solutions of the fiber band into staples, and converting the organic acids, such as oxalic acid, alcohols of cellulose xanthogenate into cellulose hydrate by high boiling point, ethers of the hydroaromatic, means of a liquid heated at 60 to 50 C.
  • tating bath capable of precipitating the viscose such as a calcium chloride solution, or a conin the form of cellulose xanthogenate
  • assembling 30 centrated solution of sodium sulfate which has the spun th a s to
  • the the fiber band into staples, nd converting the 40 temperature mayvary between about and 150 cellulose xanthogenate into cellulose hydrate by C., and is preferably to C. It is also means of a liquid heated at 120 to 130 C. possible to decompose the threads at a temper 3.
  • the threads are separated from the in the form of cellulose xanthogenate, assembling decomposition liquid and freed by washing with the spun threads to'a; thick fiber band, cutting water from the adhering chemicals, particularly the fiber band into staples, and converting the the adhering decomposition liquid.
  • the substance used for decomposmeans of a liquid having a desulfurizing action 50 ing the xanthate may be recovered by evaporaheated at 60 to C. tion. 4.
  • a process of making a substitute for wool If glycerin, glycol, sulfonated oil, as well as which comprises squirting viscose into a precipiorganic liquids which dissolve sulfur are used tating bath capable of precipitating the viscose 5 for decomposing the xanthate fibers, the fibers in the form of cellulose xanthogenate, assembling 5 the spun threads to a thick fiber band, cutting the fiber band into staples, and converting the cellulosexanthogenate into cellulose hydrate by means of glycerine heated at 120 C.
  • a process of making a substitute for wool which comprises Squirting viscose into a precipitating bath capable of precipitating the viscose in the form of cellulose xanthogenate, as-

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
US52201A 1934-11-30 1935-11-29 Process of making a substitute for wool from viscose Expired - Lifetime US2082814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE450257X 1934-11-30

Publications (1)

Publication Number Publication Date
US2082814A true US2082814A (en) 1937-06-08

Family

ID=6538373

Family Applications (1)

Application Number Title Priority Date Filing Date
US52201A Expired - Lifetime US2082814A (en) 1934-11-30 1935-11-29 Process of making a substitute for wool from viscose

Country Status (5)

Country Link
US (1) US2082814A (fr)
CH (1) CH217735A (fr)
FR (1) FR797779A (fr)
GB (2) GB450257A (fr)
NL (1) NL43736C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462927A (en) * 1943-11-06 1949-03-01 Du Pont Artificial filaments and yarn
US2796319A (en) * 1954-04-02 1957-06-18 Schweizerische Viscose Viscose spinning process

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439813A (en) * 1943-05-13 1948-04-20 American Viscose Corp Artificial filament
US2439814A (en) * 1943-05-13 1948-04-20 American Viscose Corp Crimped artificial filament
US2443711A (en) * 1943-05-13 1948-06-22 American Viscose Corp Method of manufacturing artificial filaments

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462927A (en) * 1943-11-06 1949-03-01 Du Pont Artificial filaments and yarn
US2796319A (en) * 1954-04-02 1957-06-18 Schweizerische Viscose Viscose spinning process

Also Published As

Publication number Publication date
GB450257A (en) 1936-07-13
GB503869A (en) 1939-04-17
NL43736C (fr) 1938-08-15
FR797779A (fr) 1936-05-04
CH217735A (de) 1941-11-15

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