EP1039017B1 - Verfahren zum Herstellen von Textilvor-oder Textilendprodukten mit wenigstens stellenweiser Fluoreszenzstrahlung - Google Patents
Verfahren zum Herstellen von Textilvor-oder Textilendprodukten mit wenigstens stellenweiser Fluoreszenzstrahlung Download PDFInfo
- Publication number
- EP1039017B1 EP1039017B1 EP00105891A EP00105891A EP1039017B1 EP 1039017 B1 EP1039017 B1 EP 1039017B1 EP 00105891 A EP00105891 A EP 00105891A EP 00105891 A EP00105891 A EP 00105891A EP 1039017 B1 EP1039017 B1 EP 1039017B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- accordance
- treatment
- fiber
- textile
- fluorescent brightening
- 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
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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
- D06P1/0004—General aspects of dyeing
- D06P1/0012—Effecting dyeing to obtain luminescent or phosphorescent dyeings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H1/00—Marking textile materials; Marking in combination with metering or inspecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/614—Optical bleaching or brightening in aqueous solvents
- D06L4/636—Optical bleaching or brightening in aqueous solvents with disperse brighteners
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/679—Fixing treatments in optical brightening, e.g. heating, steaming or acid shock
-
- 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
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
- D06P5/2066—Thermic treatments of textile materials
- D06P5/2077—Thermic treatments of textile materials after dyeing
-
- 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
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
-
- 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
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs
Definitions
- the invention relates to a method for producing the in the preamble of Claim 1 specified products.
- Textile end product the different from such Textile intermediate products formed are recorded, which in can be produced in any way. These include e.g. Tissue, Knitwear, nonwoven or nonwovens.
- the flat products can be a have any shape, e.g. as wide goods or as tapes, in particular labels, be trained.
- white tones are sometimes used in addition to the dyes to increase the Brilliance of very light colors (pastel shades) in dyeing / printing formulations set.
- Highly fluorescent stains can be made with fluorescent dyes the hues of yellow, orange, red, are generated because they are in the short-wave visible spectrum can absorb excitation energy, which with green, blue, Brown, gray, black is increasingly no longer the case due to self-absorption and so for physical reasons e.g. no fluorescent black exist can.
- there is interest because e.g. the creation of Barcode markings based on a fluorescent contrast with all colored ones and achromatic colors must be possible if you want a universally applicable Establish marking procedures.
- the whitener became superficial in one case applied. This attachment was not permanent. So already at textile processing of such yarns, e.g. when weaving, the superficial White tones can be damaged or removed by abrasion. If through that Incorporation of the yarn into the sheet product contained information that should be detected by a reader, this was no longer the case with abrasion possible. The information was damaged or destroyed.
- the fiber was dyed through when the white toner was applied.
- the fluorescence generated by UV light excitation in the Fiber has been absorbed, especially if it is fiber in dark colors traded, namely red, blue, green and especially black. A data acquisition a reader was not possible.
- FR-OS 2 764 237 From FR-OS 2 764 237 a typographic printing process is included solvent-based printing pastes known, being superficial by means of a binder a marker is attached.
- the disadvantage of this method is that irreversibly change the handle and gloss of the material as a result of the binder application. Also is an application of such a method for textiles from toxicological and to exclude fire-related reasons.
- US Pat. No. 2,873,206 describes a process for whitening polyester threads disclosed with a white toner suspension. After impregnation, a Drying and heat setting the material. Are suitable for such treatment only special white tones. Another disadvantage is that the fiber cross section homogeneous with whites and the fiber with natural Lighting changes its appearance.
- the invention has for its object a dark in all spectral ranges of visible light absorbing, preferably spun-dyed Yarn or textile surfaces subsequently by forming a fluorescent edge layer following the fiber circumference permanently and genuinely with intensive To provide fluorescent properties, but not the original appearance to change the hue of the color in daylight.
- This is according to the invention achieved by the measure specified in the characterizing part of claim 1, to whom has the following special meaning.
- the white toner in the invention moves into a ring zone down to a deeper one Layer, it is protected towards the fiber surface and is therefore resistant to abrasion.
- the White toner preferably takes up only 15% of the available fiber cross section. The The remaining cross section is free of this. Even if the product is in very dark tones trained, e.g. the color is black, the fluorescent radiation not wiped out. It shines through the thin, separated from the fiber surface Layer to the outside with sufficient intensity. This radiation can come from one Data acquisition device can be read. Invisible marking of objects with fluorescent supports, similar to for banknotes, serve among other things to identify the authenticity, the origin, the Quality. They should be as long and global as possible with devices for data acquisition be readable. Barcodes, consisting of e.g.
- polyester filament yarn e.g. black spun-dyed multifilament yarn, fineness 76/24 dtex
- Dyeing tubes wound with optimal tension and in a laboratory cross-dyeing machine (Celtex-Colorstar CS-2 with Datex program control, flow rate 1 L / minute, Differential pressure 0.4 bar, flow direction change every 2 minutes) one Chemical wet process in the liquor ratio (product weight / liquor volume) 1: 8 subjected to deionized water:
- any existing spin finishes are replaced by a Alkali treatment at 110 ° C removed from the yarn.
- This treatment continues to be used Roughening and chemical modification of the fiber surface of the polyester yarn due to the fact that it starts from the fiber surface Ester cleavage, which must be controlled so that a weight loss of at most 1% occurs. Rinsing and changing the bath removes the detached one Spin preparation and neutralizes the liquor pH.
- a commercially available dispersion whitener is used preferably based on a disteryl-biphenyl derivative without Sulfo groups, applied in a concentration of 0.5% of the material weight, the liquor pH is acidic (pH 4.0; methanoic acid) and the Heating rate from 25 ° C to 95 ° C 4 ° / minute and further from 100 ° to 130 ° C 1 ° / minute is.
- the treatment time at 130 ° C is no longer than 10 minutes.
- the criterion for the end of treatment is the time of disappearance the fluorescence in the treatment bath, which is indicated by ongoing assessment of time-proportional fleet samples is determined under UV light.
- polyester filament yarn e.g. black spun-dyed yarn, fineness 76/24 dtex
- perforated dye tubes optimal tension spooled and in the laboratory cross-dyeing machine (Celtex-Colorstar CS-2 with date program control, flow rate 1 L / minute, Differential pressure 0.4 bar, flow direction change every 2 minutes)
- any existing spin finishes are replaced by a Alkali treatment at 110 ° C removed from the yarn.
- This treatment continues to be used Roughening and chemical modification of the fiber surface of the polyester yarn due to the fact that it starts from the fiber surface Ester cleavage, which must be controlled so that a weight loss of at most 1% occurs.
- Rinsing and changing the bath removes the detached one Spin finish and restores the liquors - pH neutral.
- a commercially available dispersion whitener is used preferably based on a disteryl-biphenyl derivative without Sulfo groups, in a concentration of 0.5% of the material weight and one fluorescent dispersion yellow dye based on naphthalimide derivatives applied, the liquor pH slightly acidic (pH 4.5 to 5; methanoic acid) is set and 1 g / L dyeing accelerator based on methyl cresotate is added.
- the heating rate is from 25 ° C to 95 ° C 4 ° / min and from 100 ° to 106 ° C 1 ° / min.
- the treatment time at 106 ° C is generally no longer than 10 to 15 minutes, the criterion for the end of treatment being the time of the Fluorescence disappears in the treatment bath, due to ongoing assessment of time-proportional fleet samples under UV light. Coloring of the Avoid cross-section of fibers. After cooling and rinsing the material if necessary, a finishing agent is applied, the type and amount so must be chosen that no fluorescence reduction and a flawless Weaving process is enabled.
- Woven textile surfaces with basis weights of 50 to 120 g / m 2 made of polyester material are pretreated alkaline, analogously to Examples 1 and 2, then dyed with disperse dyes in dark colors using a conventional block thermosol process, the dyeing liquor having a stiffening effect if necessary washable agent, for example based on carboxymethyl cellulose, is added.
- the surface coloring is initially not fixed, only dried.
- the stiffened textile surface is printed with a pattern generated by the software using an ink-jet printer (eg PC-Jet printer HP690).
- the ink cartridge is filled with a special preparation consisting of a white toner and a solvent, such as polyamine alcohol.
- the coloring and printing are fixed together by heat treatment with hot air at a maximum of 150 ° C for 1 minute.
- Fig. 1 of the drawings shows, in large enlargement, a cross section through some capillary fibers 10 of a multifilament made of polyamide. It deals is a spun-dyed, preferably black fiber. How through that Hatching clarifies, the fiber has a dark color 11.
- a white toner 12 is a white toner 12 in the Edge zone of the fiber 10 brought. This layer of white toner 12 takes one A ring zone 14, which is formed immediately below the fiber surface 13; it is subcutaneous.
- each fiber 10 appears encased in a light hem. It appears in Fig. 2 by radiation lines illustrate fluorescence 16 in the peripheral region of the fibers 10.
- FIG. 3 shows the graphic representation of the dispersion whitening agents used according to example 1.
- On the abscissa is the wavelength of the visible Light specified in nanometers (nm).
- On the ordinate is the light reflections black dyes applied, each with a white tint or additional added to the white toner with fluorescent dyes, with UV radiation Retroreflect visible light enriched with fluorescent light at different intensities.
- Four curves 20 to 23 are shown by different symbols clarify different behavior of the fluorescent materials.
- the curve 20 shows the fluorescent light of a white toner without its own color on one black base color in a concentration of 0.5%, based on the Fiber weight.
- Curves 21, 22 and 23 show the corresponding ratios when looking at the Substance according to curve 20 still fluorescent dyes in a concentration of 0.1%.
- Curve 21 shows a red fluorescent dye.
- the Curve 22 also shows a red dye with a slight difference compared to FIG. 21 lower intensity.
- Curve 23 shows the relationships when to the substance from curve 20 a yellow fluorescent dye is added. The areas the strength of the fluorescence is shown below the curves.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
- Nonwoven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Woven Fabrics (AREA)
- Artificial Filaments (AREA)
Description
Claims (14)
- Verfahren zum Herstellen von insbesondere dunkle Farbtöne aufweisenden Textilvorprodukten, wie Garnen, oder Textilendprodukten, wie Geweben,
wobei das Produkt wenigstens stellenweise mit Weißtönern (12) behandelt wird, welche bei UV-Lichtanregung (15) eine Fluoreszenzstrahlung (16) abgeben,
dadurch gekennzeichnet, dass nach dem Aufbringen des Weißtöners (12) das Produkt solange einer Wärmebehandlung unterzogen wird,
bis der Weißtöner (12) in eine unterhalb der Faseroberfläche (13) liegende Schicht eingedrungen ist. - Verfahren nach Anspruch 1, wobei das Textilvorprodukt eine Faser (10) ist, dadurch gekennzeichnet, dass die Wärmebehandlung zeitlich und temperaturmäßig so gesteuert wird, dass der Weißtöner (12) eine Ringfärbung im Faserquerschnitt erzeugt, die höchstens 30% des Faserradius beträgt.
- Verfahren nach Anspruch 1, wobei das Textilvorprodukt eine Faser (10) ist, dadurch gekennzeichnet, dass die Wärmebehandlung zeitlich und temperaturmäßig so gesteuert wird, dass der Weißtöner (12) eine Ringfärbung im Faserquerschnitt erzeugt, die im wesentlichen 15% des Faserradius beträgt.
- Verfahren nach einem der Ansprüche 1 bis 3, wobei das Textilvorprodukt eine Polyesterfaser (10) ist, dadurch gekennzeichnet, dass die Faser (10) zunächst unter Wärme solange einer alkalischen Vorbehandlung unterzogen wird, bis maximal ein Gewichtsverlust von 1% der Faser eintritt.
und dass danach ein Dispersionsweißtöner auf die Faser (10) aufgebracht und einer zeitgesteuerten Wärmebehandlung ausgesetzt wird, bis eine Erweichung des Polyesters eintritt. - Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass ein spinngefärbtes Garn (10) vor der Alkalibehandlung in einem vollentsalzten Wasser vorbehandelt wird,
dass nach der Alkalibehandlung ein Zwischenspülen des Garns (10) in einer Flotte mit neutralen pH-Wert ausgeführt wird
und dass die Wärmebehandlung in einer Aufheizrate erfolgt, bis die Fluoreszenz im Behandlungsbad sich deutlich erniedrigt. - Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die Wärmebehandlung mit einer schnellen Anfahrphase beginnt und mit einer langsamen Schlussphase endet.
- Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Wärmebehandlung bei 130° C endet und die Behandlungszeit dabei nicht länger als 10 Minuten beträgt, wodurch ein Glasumwandlungspunkt des Polyestermaterials erreicht wird.
- Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Wärmebehandlung bei 106° C endet und die Behandlungszeit dabei nicht länger als 15 Minuten beträgt, wodurch ein Glasumwandlungspunkt des Polyestermaterials infolge Mitverwendung eines Färbebeschleunigers bereits bei geringerer Temperatur als 130°C erreicht wird.
- Verfahren nach einem der Ansprüche 1 bis 8, wobei als Textilendprodukt ein textiles Flächengebilde vorliegt, dadurch gekennzeichnet, dass auf das Endprodukt eine Versteifungsappretur unterzogen wird,
dass danach der Weißtöner aufgedruckt wird
und dass schließlich die mit dem Aufdruck versehene Schicht einer Heißluftbehandlung unterzogen wird, die den Aufdruck im Endprodukt fixiert. - Verfahren nach Anspruch 9, wobei das Endprodukt aus Polyesterfäden gebildet ist, dadurch gekennzeichnet, dass zum Gewebe gefügten Polyesterfäden (10) vor dem Bedrucken einer Alkalibehandlung unterzogen und danach in einer Flotte mit neutralem pH-Wert gewaschen wird.
- Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass das Bedrucken des Textilendprodukts mittels eines Ink-Jet-Druckers ausgeführt wird
und dass das Muster im Endprodukt durch eine Softwaresteuerung des Druckers erfolgt. - Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass als Weißtöner (12) ein fluorenszierender Stoff ohne Eigenfarbe (20) dient.
- Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass als Weißtöner (12) ein fluorenszierender Stoff mit einer Eigenfarbe oder aus einer Mischung von fluorenszierenden Stoffen mit verschiedenen Eigenfarben (21 bis 23) verwendet wird.
- Verfahren nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass als fluorenszierender Stoff 4,4-Disteryl-biphenyl-Derivaten verwendet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19912946A DE19912946A1 (de) | 1999-03-23 | 1999-03-23 | Verfahren zur Erzeugung von Fluoreszenz auf dunklen Fäden ohne Farbtonänderung mit hoher Permanenz |
DE19912946 | 1999-03-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1039017A2 EP1039017A2 (de) | 2000-09-27 |
EP1039017A3 EP1039017A3 (de) | 2001-03-14 |
EP1039017B1 true EP1039017B1 (de) | 2004-10-13 |
Family
ID=7901994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00105891A Expired - Lifetime EP1039017B1 (de) | 1999-03-23 | 2000-03-20 | Verfahren zum Herstellen von Textilvor-oder Textilendprodukten mit wenigstens stellenweiser Fluoreszenzstrahlung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1039017B1 (de) |
AT (1) | ATE279569T1 (de) |
DE (2) | DE19912946A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1479797A1 (de) * | 2003-05-22 | 2004-11-24 | Landqart | Photolumineszierende Faser, Sicherheitspapier und andere Sicherheitsartikel |
DE10324630A1 (de) * | 2003-05-28 | 2004-12-23 | Giesecke & Devrient Gmbh | Sicherheitspapier |
DK3772529T3 (da) * | 2019-08-05 | 2023-07-31 | Sanko Tekstil Isletmeleri San Ve Tic As | Ph-sensitive farvestoffer til tekstilmaterialer, fremgangsmåde til fremstilling deraf og anvendelser deraf |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO94869A (de) * | 1955-12-20 | |||
JP2808786B2 (ja) * | 1990-02-09 | 1998-10-08 | 東レ株式会社 | 不可視識別マークの記録された繊維布帛 |
JPH0549774A (ja) * | 1991-08-12 | 1993-03-02 | Toray Ind Inc | 編織物 |
FR2764237B1 (fr) * | 1997-06-04 | 1999-08-20 | Sanglar Sicap | Procede de marquage azurant d'articles textiles et cuirs traites |
-
1999
- 1999-03-23 DE DE19912946A patent/DE19912946A1/de not_active Withdrawn
-
2000
- 2000-03-20 AT AT00105891T patent/ATE279569T1/de not_active IP Right Cessation
- 2000-03-20 DE DE2000508177 patent/DE50008177D1/de not_active Expired - Lifetime
- 2000-03-20 EP EP00105891A patent/EP1039017B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50008177D1 (de) | 2004-11-18 |
EP1039017A3 (de) | 2001-03-14 |
DE19912946A1 (de) | 2000-09-28 |
EP1039017A2 (de) | 2000-09-27 |
ATE279569T1 (de) | 2004-10-15 |
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