US2954270A - Process of producing a shrinkable cellulose textile filament - Google Patents

Process of producing a shrinkable cellulose textile filament Download PDF

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Publication number
US2954270A
US2954270A US628217A US62821756A US2954270A US 2954270 A US2954270 A US 2954270A US 628217 A US628217 A US 628217A US 62821756 A US62821756 A US 62821756A US 2954270 A US2954270 A US 2954270A
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US
United States
Prior art keywords
filaments
yarn
bath
break
viscose
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Expired - Lifetime
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US628217A
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English (en)
Inventor
Drisch Nicolas
Schneller Pierre
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Chimiotex SA
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Chimiotex SA
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Filing date
Publication date
Application filed by Chimiotex SA filed Critical Chimiotex SA
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/18—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by combining fibres, filaments, or yarns, having different shrinkage characteristics
    • 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
    • D01F2/10—Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either

Definitions

  • This invention relates to a method for produeinghigh bulk yarns composed of a mixture of sbrinkable -and non-sbrinkable fibers, and has for an object to provide novel and improved methods for producing fibers for use in such yarns.
  • new bigh-bulk yarns are obtained by a treatment in a. very hot -aqueous medium without tension, of yarns containing on the one band shrink-proof fibers and on the other artificial cellulosic fibers having high shrinkage under these conditions.
  • these yarns are obtained by asso ciation of a sliver of shrink-proof filaments and of a continuous sliver of shrinkable artificial cellulose filaments with high elongation.
  • the continuous shrink-proof fila-ments may be cellulosic filaments having very high tenacity and low elongation, which are obtained by the process described in French Patent No. 985,847 (U.S. Patent No. 2,586,796).
  • Continuous filaments having very high elongation which are more particularly suitable for use in the new yarns according to the invention, may be obtained by the viscose process With the -application of various measures, in any desired combination.
  • a yarn having an elongation of 45%, whioh may be 20% in the Wet state, and which is thereafter dried under tension to -give a yarn which shrinks by 20% to 25% in e. boiling water bath.
  • the drawing is a flow sheet illustrating the preferred embodirnent of the invention.
  • Example 1 A sliver of 3300 denier/ 1440 filaments having very high elongation as in the foregoing is doubled with a sliver of 3300 denier/ 8000 filaments of regenerated cellulose having a dry tenacity of 6.8 grams with an elongation of 9.5%, and the double sliver is subjected to drawing to breai ing point on the device described in U.S. Patent No. 2,746,091, for a device for the mannfiacture ocf mixed yarns, whereafter the bro ken yam is drawn and twisted in such manner 'as to form a No. yarn This yarn has a sbrinkage of 25% in boiling water and thus acquir-es high bulk.
  • Example 2 There are prepared yarns having a rnoist elongation viscose, containing 2% of thiodiglycol (according to French Patent No. 1,111,580, dated September 3, 1954; U.S. Serial No. 532,799, filed September 6, 1955, now Patent No. 2,912,299) With a drawing at spinning of 20%. This sliver is then drawn by 18% and dried under tension. The shrinkage on wetting of the fiber obtained is then 23%.
  • This fiber out to millimeters is mixed in a proportion of 50% With a fiber spun under similar conditions, the drawing of which during spinning was This fiber has been freely dried and the shrinkage in boiling water was only 1%.
  • the mixture of the two fibers is worked on conventional equipment for carded wool, and a No. 40 yarn (metric) is forrned With a twist of 400 turns.
  • This yarn is woven in twill weave and this fabric is then dyed With the aid of a mordant. During the dyeing, a shrinkage of 35% occurs in each dirnension.
  • the apparent bulk of the yarn is about twice that of the initial yarn.
  • the fabric thus obtained only requires a finishing treatment With 5% of unreaformaldehyde.
  • the finished fabric is completely erease-resistant and shrinkproof in washing, and has the characteristics of a. woolen fabric.
  • Example 3 Seme ex-ample as before, but the shrinkable yarn is mixed With 50% of a normal acetate fiber.
  • the fabric obtained is crease-proof and shrink-proof Without any further treatment.
  • the spinning device comprising a tube 'as described in French Patent No. 1,066,078 (U.S. Patent No. 2,511,699) referred to above is employed.
  • the yarn passes over a first feed roller, which eiects a 12% drawing of the yarn in relation to the speed of the viscose in the spinneret holes.
  • the yarn then passes into a secnd 1% sulphuric acid bath heated 'at 89 0, :and is taken up on- 1eaving this bath by a second feed roller running at a tangential velocity 30% higher than that of the first feed ro11er. It is thenwound at the same or a slightly higher speed onto a rigid bobbin, the linear Winding speed bei-mg of the order of 75 meters per minute.
  • the wound mass After Winding to a sufiicient depth of yarn on the bobbin, the wound mass is washed on the bobbin and then desulpnurized With a hot dilute alkaline bath and, if desired, bleached and boiled.
  • the yarn is then unwound and again -drawn by 18%, whereafter it is wound on another rigid bobbin, on Which it is subjected to drying.
  • the dried yarn has a tenacity of 3.5 grams in the dry state -and 2.5 grams in the wet state, With an elongation at break of 12% in the dry state and 17% in the wet state. On wetting followed by drying without tension, it is capable of a shrinkage of 30%.
  • Example A group of 10,000 filaments is spun and continuously treated, whereafter it is passed aver a member permitting of the most complete po-ssible relaxation and is again continuously hot-drawn, the drawing being 70% of the elon-gation at break in the wet state, that is to say, 40% in the exarnple chosen.
  • the group of -filaments is then dried un heated rollers without any possibility of shrinkage.
  • the group of filaments obtained can be out into sections or converted into a tow of discontinuous fibers on a machine of the converter type or by drawing to breaking point on a stapling frame.
  • the process of producing a shrinkable cellulosic textile filament which comprises spinning into a bath having an -acidity of 125 grams :to 130 grams sulphun'c acid per 1iter and a zinc sulphate content of 125 grams te 130 grams per liter having a temperature of about 48 C. in the presence of a po1yglycol modifying agent Which delays coagulation, viscose having a sodiurn chloride sa1t point greater than 14 and preheated to the temperature of the bath at a. rate of meters to 120 mcters per minute through a confined zone With less than 20% drawing during the spinning, drawing the spunfilarnents in a bath having a temperature of C. to 89 C. to an elongation in excess of 30% washing and finishing drawing s-aid finshed filaments in an additional stage by about 18% and drying under conditions to prevent shrinkage.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
US628217A 1955-12-14 1956-12-14 Process of producing a shrinkable cellulose textile filament Expired - Lifetime US2954270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1115405X 1955-12-14

Publications (1)

Publication Number Publication Date
US2954270A true US2954270A (en) 1960-09-27

Family

ID=9628935

Family Applications (1)

Application Number Title Priority Date Filing Date
US628217A Expired - Lifetime US2954270A (en) 1955-12-14 1956-12-14 Process of producing a shrinkable cellulose textile filament

Country Status (5)

Country Link
US (1) US2954270A (fr)
BE (1) BE553231A (fr)
DE (1) DE1115405B (fr)
FR (2) FR1140499A (fr)
GB (1) GB827880A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539678A (en) * 1967-08-14 1970-11-10 Teijin Ltd High speed spinning method of viscose rayon filaments having high wet modulus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279516B (de) * 1961-03-01 1968-10-03 Du Pont Stapelfasermischgarn
CN110761068B (zh) * 2019-12-03 2022-05-10 福建省晋江新德美化工有限公司 一种低强力损失高性能环保的棉织物免烫整理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369190A (en) * 1939-03-01 1945-02-13 American Enka Corp Manufacture of rayon
US2511699A (en) * 1947-11-10 1950-06-13 Comptoir Textiles Artificiels Method for spinning viscose
US2535044A (en) * 1947-04-26 1950-12-26 Du Pont Spinning of viscose
US2696423A (en) * 1951-05-29 1954-12-07 Du Pont Viscose modifiers
US2852333A (en) * 1954-05-21 1958-09-16 Du Pont Viscose spinning process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504523A (en) * 1948-05-28 1950-04-18 Godfrey Bloch Inc Fabric-making material
AT179693B (de) * 1951-04-02 1954-09-25 Metallgesellschaft Ag Saure Emulsionsreiniger zum Beizen und Entfetten von Metallen
NL93553C (fr) * 1951-12-13
US2701406A (en) * 1952-07-09 1955-02-08 Bloch Godfrey Fabric and method of making same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369190A (en) * 1939-03-01 1945-02-13 American Enka Corp Manufacture of rayon
US2535044A (en) * 1947-04-26 1950-12-26 Du Pont Spinning of viscose
US2511699A (en) * 1947-11-10 1950-06-13 Comptoir Textiles Artificiels Method for spinning viscose
US2696423A (en) * 1951-05-29 1954-12-07 Du Pont Viscose modifiers
US2852333A (en) * 1954-05-21 1958-09-16 Du Pont Viscose spinning process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539678A (en) * 1967-08-14 1970-11-10 Teijin Ltd High speed spinning method of viscose rayon filaments having high wet modulus

Also Published As

Publication number Publication date
FR70069E (fr) 1959-02-02
DE1115405B (de) 1961-10-19
FR1140499A (fr) 1957-07-23
BE553231A (fr)
GB827880A (en) 1960-02-10

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