US3922737A - Process for the continuous wet-treatment under pressure - Google Patents

Process for the continuous wet-treatment under pressure Download PDF

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Publication number
US3922737A
US3922737A US344987A US34498773A US3922737A US 3922737 A US3922737 A US 3922737A US 344987 A US344987 A US 344987A US 34498773 A US34498773 A US 34498773A US 3922737 A US3922737 A US 3922737A
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US
United States
Prior art keywords
pressure
textile material
fixation
drum
dyestuff
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
US344987A
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English (en)
Inventor
Der Eltz Hans-Ulrich Von
Original Assignee
Hoechst AG
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Publication of US3922737A publication Critical patent/US3922737A/en
Assigned to VON DER ELTZ, HANS-ULRICH reassignment VON DER ELTZ, HANS-ULRICH ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HOECHST AKTIENGESELLSCHAFT
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
    • D06B19/0064—Fixing of chemicals, e.g. dyestuffs, on textile materials by a fixing bath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S68/00—Textiles: fluid treating apparatus
    • Y10S68/903—Perforated drum and continuous textile feed and discharge

Definitions

  • the textile material is led in its open-width continuously through a sieve-drum. device filled with the heated treatment bath and operating under atmospheric excess pressure, while the circulating liquor is pressed through the goods into the sievedrums.
  • the process of the invention especially applies to the continuous fixation of prints and dyeings but also to other types of wet-treatment, for example, the washing or soaping process or the reductive cleaning.
  • This process is also suitable for the fixation of reactive dyestuffs on cellulose fibers with hot alkali solutions, i.e., according to the wet fixing process.
  • the textile material to be treated (1) is led over a suitable sealing (3), for example, a lip closure or a roller lock, into the sieve-drum device, (2) kept under atmospheric excess pressure.
  • a suitable sealing (3) for example, a lip closure or a roller lock
  • Those roller locks are known from Textilpraxis 1966, pages 691-692 and from German Pat. No. 1,760,732.
  • the material is led over perforated drums (4) through the hot bath.
  • These sieve-drums are in contact with one another along their broad sides and are subjected to suction draught when being in operation. They are rotatable round their axis, the rotation being initiated by means of a motor. Depending on the direction in which the material is put through, the drums in contact effect a counterrotation. Cover plates (5) firmly mounted in the drums and not moving with them, provide that the material is forwarded by the suction draught from one drum to the other. The diameter and the number and disposition of the drums can be adjusted to the conditions and technical data prevailing. The breadth of the drums depends on the textile materials to be treated and is within the range of from 50 to 300 cm, generally between 90 and 200 cm.
  • the perforated curved surface of the drums coming into contact with the textile material should have fine pores at intervals from one another of not more than 30 mm, preferably less than mm. In some cases it is advantageous to cover the outer jacket of the perforated drum with one or several layers of a narrow-meshed, seamless sieve-fabric. In the pressure vessel, even several liquids may operate in different recycling systems, i.e., in separate compartments.
  • the liquid eliminated from the sieve-drums by suction can directly be recycled to the pressure vessel or to a stock bin under elevated pressure by intercalation of a cleaning device.
  • the material can be folded within the device on an endlessly running conveyer belt.
  • the device contains high-pressure saturated steam and a high-temperature bath heated to 105 to 145C, preferably to 120 to 135C. Suitable liquids are water or organic solvents or mixtures thereof. It is not necessary that the device be completely filled with the treatment bath. After the treatment completed, the material leaves the sieve-drum device over a further sealing (3) and may then be further treated on a washing or drying machine.
  • the device suitable to carry out the process of the invention allows to work with the textile articles without tension, also with over-feeding, so that the textile material can shrink to an optimum degree under these fixing conditions.
  • This device therefore, especially applies to the knitwear of synthetic fibers and to loose material, for example, flocks, fiber fleeces, cables or combed material.
  • the dyeings and prints fixed with a high-temperature bath show a better levelness and a better penetration of the dye.
  • an increased shrinkage but also a considerably better hand of the material is obtained, both not being different from that obtained in dyeings prepared discontinuously.
  • the device of the invention thus enables the continuous dyeing also of articles of high quality.
  • the high-temperature bath which may be heated up to 145C, generally consists of water or a mixture of solvent with water or of a pure solvent or mixtures of such solvents. According to the nature of the dyestuffs to be fixed, the bath contains alkalis and salt or acids, acid donators and similar products. The hightemperature bath may also previously be sharpened with a portion of the padding liquor.
  • the advantage of the process of the invention lies in the fact that already very short treating times, depending on the liquid medium and the temperature, are sufficient to obtain a very good fixation of the dyestuffs. It is surprising that the dyestuffs are more rapidly fixed than losened and removed by rinsing off, as expected, because of the bath heavily streaming through the material.
  • the continuous operating method leads to an increased production speed while maintaining the advantages offered by wet fixation as compared with a fixation by means of dry heat or high-temperature steam.
  • EXAMPLE A flat fabric of texturized linear polyester fibers was padded at room temperature on a padding machine, at an aqueous liquor pick-up of with a liquor (pH 5, adjusted with acetic acid) which contained per liter 10 g of a blue disperse dyestuff of the formula N11 OH OH O NH
  • the material was then led, immediately thereafter, without intermediate drying, continuously and without tension, over a sealing into a pressure vessel and conducted over sieve-drums subjected to a relative suction draught and completely covered with the bath.
  • the bath in this case consisting of water without additives, streamed at C through the material, the padded dyestuff thus being fixed.
  • the material left the pressure vessel over a sealing. An even dyeing having a good hand of the material was obtained.
  • the improvement which comprises: fixing said dyestuff upon said textile material under superatmospheric pressure conditions and at a temperature of from 105C to 145C, by passing the said textile material impregnated or printed with said dyestuff through a dyestuff-free fixation liquid at a temperature of 105C to 145C, said fixation liquid being contained within a pressure-sealed fixation zone, the pressure throughout said zone being maintained above atmospheric pressure, and over the surface of a rotatof rotating perforated drums.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coloring (AREA)
US344987A 1972-03-29 1973-03-26 Process for the continuous wet-treatment under pressure Expired - Lifetime US3922737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2215280A DE2215280C3 (de) 1972-03-29 1972-03-29 Verfahren zur kontinuierlichen Fixierung von Farbstoffen

Publications (1)

Publication Number Publication Date
US3922737A true US3922737A (en) 1975-12-02

Family

ID=5840507

Family Applications (1)

Application Number Title Priority Date Filing Date
US344987A Expired - Lifetime US3922737A (en) 1972-03-29 1973-03-26 Process for the continuous wet-treatment under pressure

Country Status (7)

Country Link
US (1) US3922737A (en:Method)
JP (1) JPS497575A (en:Method)
CA (1) CA1006302A (en:Method)
CH (2) CH441373A4 (en:Method)
DE (1) DE2215280C3 (en:Method)
GB (1) GB1407551A (en:Method)
IT (1) IT981669B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133461A1 (de) 2008-06-12 2009-12-16 Huntsman Textile Effects (Germany) GmbH Zusammensetzung für die Behandlung von Fasermaterialien, insbesondere mittels Ausziehverfahren

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724254A (en) * 1951-05-16 1955-11-22 Zanger Arnold Apparatus for dyeing continuous lengths of fabric
US3621679A (en) * 1969-10-31 1971-11-23 James E Greer Continuous liquid treatment of textile materials
US3681950A (en) * 1968-03-20 1972-08-08 Vepa Ag Apparatus for the continuous wet-treatment of textile material
US3824814A (en) * 1969-12-09 1974-07-23 Vepa Ag Device for the treatment of lengths of textile material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1610994A1 (de) * 1966-02-18 1971-02-25 Kleinewefers Soehne J Verfahren und Einrichtung zum Beuchen und Bleichen von Textilien in breiter Bahn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724254A (en) * 1951-05-16 1955-11-22 Zanger Arnold Apparatus for dyeing continuous lengths of fabric
US3681950A (en) * 1968-03-20 1972-08-08 Vepa Ag Apparatus for the continuous wet-treatment of textile material
US3621679A (en) * 1969-10-31 1971-11-23 James E Greer Continuous liquid treatment of textile materials
US3824814A (en) * 1969-12-09 1974-07-23 Vepa Ag Device for the treatment of lengths of textile material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133461A1 (de) 2008-06-12 2009-12-16 Huntsman Textile Effects (Germany) GmbH Zusammensetzung für die Behandlung von Fasermaterialien, insbesondere mittels Ausziehverfahren
US20110114904A1 (en) * 2008-06-12 2011-05-19 Huntsman Textile Effects (Germany) Gmbh Composition for treatment of fiber materials by exhaust method in particular
US8303835B2 (en) 2008-06-12 2012-11-06 Huntsman Textile Effects (Germany) Gmbh Composition for treatment of fiber materials by exhaust method in particular

Also Published As

Publication number Publication date
IT981669B (it) 1974-10-10
DE2215280C3 (de) 1979-08-16
JPS497575A (en:Method) 1974-01-23
CH441373A4 (en:Method) 1976-01-30
DE2215280B2 (de) 1978-12-14
DE2215280A1 (de) 1973-10-18
CH577058B5 (en:Method) 1976-06-30
CA1006302A (en) 1977-03-08
GB1407551A (en) 1975-09-24

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Legal Events

Date Code Title Description
AS Assignment

Owner name: VON DER ELTZ, HANS-ULRICH, 14 WILLIBRACHTSTRASSE D

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HOECHST AKTIENGESELLSCHAFT;REEL/FRAME:003929/0606

Effective date: 19811019