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EP0315725B1 - Färbeverfahren zur Herstellung von changierender Wollstückware - Google Patents

Färbeverfahren zur Herstellung von changierender Wollstückware Download PDF

Info

Publication number
EP0315725B1
EP0315725B1 EP19870830398 EP87830398A EP0315725B1 EP 0315725 B1 EP0315725 B1 EP 0315725B1 EP 19870830398 EP19870830398 EP 19870830398 EP 87830398 A EP87830398 A EP 87830398A EP 0315725 B1 EP0315725 B1 EP 0315725B1
Authority
EP
European Patent Office
Prior art keywords
products
bath
dyeing
vat
water
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
EP19870830398
Other languages
English (en)
French (fr)
Other versions
EP0315725A1 (de
Inventor
Alessandro Silli
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.)
SILLI Alessandro
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP19870830398 priority Critical patent/EP0315725B1/de
Priority to DE8787830398T priority patent/DE3779127D1/de
Priority to PCT/IT1988/000017 priority patent/WO1989004393A1/en
Priority to AU13927/88A priority patent/AU1392788A/en
Publication of EP0315725A1 publication Critical patent/EP0315725A1/de
Application granted granted Critical
Publication of EP0315725B1 publication Critical patent/EP0315725B1/de
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/14—Wool

Definitions

  • the invention concerns a method of dyeing shot woollen fabrics and items of clothing, hereinafter called “the products” for short.
  • the aim of the present invention is to dye the products in such a way as to produce a shot effect which causes the colour of the products themselves to change when viewed from different angles, in accordance with she varying angle of incidence of the light rays.
  • the method as claimed below achieves this shot effect by dyeing or colouring the fibres of the product fabric, and not the surface filaments of the fibres themselves.
  • the sad filaments retain a natural white sheen and form a downy "nap" which hides the true colour of the woven fibres from view and creates different colour effects depending on the angle from which the products are viewed.
  • the method consists in dyeing the products in two stages, first in water in a rotary dyeing vat, without fixing the dye to the fabric, followed by rinsing, and then placing the products in a second bath, again with the dyeing vat in motion, in order to fix the dye with an elastomer activated by a catalyst.
  • the products are dry cleaned before undergoing the dyeing treatment, and are placed in a rotary dyeing vat in a bath of purified water in the ratio of 40 litres of water to every 1 kg of product. Size, is added to the bath in the proportion of 10% of the weight of the products to be dyed.
  • the dyeing vat is made to rotate and heated to a temperature of 50°C, allowing it to continue rotating for 30 minutes.
  • Colorant is then added to the bath in variable proportions, depending on the desired colour intensity to be achieved, diluted with a dispersing agent.
  • the dyeing vat is further heated to a temperature of 95°C and allowed to continue rotating for 60 minutes.
  • the dyebath is cooled to 50°C, the vat drained of the dyeing solution and the products rinsed.
  • the second stage consists in fixing the dye to the products treated in the previous stage.
  • the products are placed in a bath of clean water, again with the dyeing vat in motion, to which an elastomer is added.
  • the proportion of elastomer for the fixing bath is 10% of the amount of water used.
  • the colorant that had settled on the surface filaments of the product fibres comes off the said filaments and settles on the body of the said fibres.
  • a catalyst is added to the bath in order to activate the binding action of the elastomer and, consequently, to fix the dye to the product fibres.
  • the ideal proportion of catalyst to obtain this pH was found to be 1% of the amount of water for the fixing bath. The products are allowed to remain in this bath, with the dyeing vat in motion, for 30 minutes.
  • the dyeing vat is drained, the products rinsed (if there are any impurities to be removed), together with a softening agent, if necessary, and finally dried, at 140°C and transferred to subsequent processes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coloring (AREA)

Claims (1)

  1. Färbeverfahren zur Herstellung von changierender Wollstückware und Bekleidungsteilen, das unter Verwendung eines rotierenden Färbebehälters sowie von Farbstoffen und Fixiermitteln zum Fixieren der Farbstoffe an den Fasern der zu färbenden Produkte durchgeführt wird, dadurch gekennzeichnet, dass das genannte Verfahren folgende Phasen umfasst:
    a) Färben der zuvor trockengereinigten Produkte in einem Wasserbad im Verhältnis von 40 l Wasser auf jedes Kilo Produkt, wobei zu aufeinanderfolgenden Zeiten zunächst ein Leim im Verhältnis von 10% des Produktgewichtes beigegeben, der Behälter auf eine Temperatur von 50°C aufgeheizt und für 30 Minuten in Umdrehung versetzt wird, und zweitens ein mit einem Dispergierprodukt verdünnter Farbstoff hinzugefügt und dann der Behälter auf 95°C aufgeheizt und für 60 Minuten in Umdrehung versetzt wird;
    b) Abkühlen des Behälters auf 50°C - bei drehendem Behälter - und Spülen der behandelten Produkte; Eintauchen der nach Phase a) behandelten Produkte in ein Bad aus klarem Wasser und Zugabe zu dem Bad eines Elastomers im Verhältnis von 10% der verwendeten Gesamtmenge an Wasser, sowie anschliessendes Aktivieren des Elastomers durch Zugabe eines Beschleunigers im Verhältnis von 1% der verwendeten Gesamtmenge an Wasser, und zwar unter Drehen des Färbebehälters für weitere 30 Minuten; Spülen der Produkte, welche dann bei 140°C durch und durch getrocknet werden.
EP19870830398 1987-11-11 1987-11-11 Färbeverfahren zur Herstellung von changierender Wollstückware Expired EP0315725B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19870830398 EP0315725B1 (de) 1987-11-11 1987-11-11 Färbeverfahren zur Herstellung von changierender Wollstückware
DE8787830398T DE3779127D1 (de) 1987-11-11 1987-11-11 Faerbeverfahren zur herstellung von changierender wollstueckware.
PCT/IT1988/000017 WO1989004393A1 (en) 1987-11-11 1988-03-03 Changing colouring treatment for woollen clothing pieces
AU13927/88A AU1392788A (en) 1987-11-11 1988-03-03 Changing colouring treatment for woollen clothing pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19870830398 EP0315725B1 (de) 1987-11-11 1987-11-11 Färbeverfahren zur Herstellung von changierender Wollstückware

Publications (2)

Publication Number Publication Date
EP0315725A1 EP0315725A1 (de) 1989-05-17
EP0315725B1 true EP0315725B1 (de) 1992-05-13

Family

ID=8198465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870830398 Expired EP0315725B1 (de) 1987-11-11 1987-11-11 Färbeverfahren zur Herstellung von changierender Wollstückware

Country Status (4)

Country Link
EP (1) EP0315725B1 (de)
AU (1) AU1392788A (de)
DE (1) DE3779127D1 (de)
WO (1) WO1989004393A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417040A1 (de) * 1989-09-06 1991-03-13 Ciba-Geigy Ag Verfahren zum Färben von Wolle
US5032141A (en) * 1990-04-10 1991-07-16 R. Silli, S.P.A. Changing coloring treatment for woolen and mixed wool clothing pieces
AU655125B2 (en) * 1992-10-23 1994-12-01 Woollen Twine Products Pty Ltd Woollen chord having removable colouring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211178A (en) * 1922-09-13 1924-02-13 Hermann Plauson Improvements in dyeing
GB1124344A (en) * 1964-09-04 1968-08-21 Iws Nominee Co Ltd A method of setting and dyeing woollen textile material
AU444066B2 (en) * 1971-02-11 1973-12-20 Commonwealth Scientific And Industrial Research Organization Method of dyeing keratinous fibres with pigments

Also Published As

Publication number Publication date
AU1392788A (en) 1989-06-01
DE3779127D1 (de) 1992-06-17
EP0315725A1 (de) 1989-05-17
WO1989004393A1 (en) 1989-05-18

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