[go: up one dir, main page]

WO2019081290A1 - Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles - Google Patents

Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles

Info

Publication number
WO2019081290A1
WO2019081290A1 PCT/EP2018/078352 EP2018078352W WO2019081290A1 WO 2019081290 A1 WO2019081290 A1 WO 2019081290A1 EP 2018078352 W EP2018078352 W EP 2018078352W WO 2019081290 A1 WO2019081290 A1 WO 2019081290A1
Authority
WO
WIPO (PCT)
Prior art keywords
acid
ascorbic acid
treatment
organic carboxylic
mixture
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.)
Ceased
Application number
PCT/EP2018/078352
Other languages
German (de)
English (en)
Inventor
Martin Gruber
Thomas APLAS
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.)
CHT Germany GmbH
Original Assignee
CHT Germany GmbH
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
Priority claimed from DE102017125010.7A external-priority patent/DE102017125010A1/de
Priority claimed from DE102018101060.5A external-priority patent/DE102018101060A1/de
Application filed by CHT Germany GmbH filed Critical CHT Germany GmbH
Priority to MX2020002536A priority Critical patent/MX2020002536A/es
Priority to EP18789120.5A priority patent/EP3662105A1/fr
Priority to BR112020004613-2A priority patent/BR112020004613A2/pt
Publication of WO2019081290A1 publication Critical patent/WO2019081290A1/fr
Priority to CONC2020/0002330A priority patent/CO2020002330A2/es
Anticipated expiration legal-status Critical
Ceased 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • 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
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • 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
    • D06P1/64—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 using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65118—Compounds containing hydroxyl groups
    • 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
    • D06P1/653—Nitrogen-free carboxylic acids or their salts
    • D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
    • 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
    • D06P5/13—Fugitive dyeing or stripping dyes
    • D06P5/132—Fugitive dyeing or stripping dyes with oxidants
    • 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
    • D06P5/15—Locally discharging the dyes
    • D06P5/153—Locally discharging the dyes with oxidants
    • 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
    • D06P1/22—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 vat dyestuffs including indigo
    • D06P1/228—Indigo

Definitions

  • the invention relates to a process for the removal of manganese oxide deposits of, for example, indigo and / or sulfur black dyed textiles which have been subjected to a bleaching treatment with, for example, potassium permanganate using mixtures of ascorbic acid and organic carboxylic acids and the use of such mixtures for the removal of manganese oxides.
  • wash out and used-look effects means that most of the denim articles dyed with indigo or other dyes are further processed by washing processes, often in combination with chemical treatments, wholly or locally, usually on exposed areas. brightened or bleached.
  • Bleaching treatment is often preceded by abrasive scrubbing with enzymes and / or pumice stones.
  • the bleaching treatment itself may be done in a second bath containing a bleaching agent to further lighten the color of the entire article and to enhance light-dark contrasts.
  • the targeted, local brightening of the articles in correspondingly exposed areas is used as an essential means of, for example, making a pair of jeans really to give aesthetic appearance.
  • the denim surface is first locally limited, for example, on the thighs and buttocks, mechanically roughened by grinding. Subsequently, sprayed at these points with a bleaching solution that destroys the dye more or less, depending on the desired intensity of the whitening effect.
  • a very commonly used bleaching agent to achieve such lightening effects is potassium permanganate. Especially for the partial bleaching of denim articles by spraying, its use is state of the art.
  • permanganate as a dilute, aqueous solution has advantages in practical application: the bleaching action takes place very rapidly within a few minutes, no elevated temperatures are necessary; the bleach itself is storage stable and the bleaching effect achieved is well reproducible.
  • a disadvantage is, inter alia, that in the oxidation of the indigo itself, the permanganate ion, which is readily soluble in water, is itself converted predominantly into insoluble manganese oxides, especially manganese dioxide (manganese dioxide).
  • manganese dioxide manganese dioxide
  • Common reducing agents are sulfur compounds such as sodium hydrogen sulfite, sodium metabisulfite, as described for example in US 4,795,476, or sodium dithionite.
  • a disadvantage is a strong odor and a pollution of the wastewater by excess reducing agent due to the high chemical oxygen demand (COD).
  • COD chemical oxygen demand
  • the neutralization step can not be used for cellulase treatment.
  • hydroxylammonium salts such as bis (hydroxylammonium) sulfate are classified as presumably carcinogenic and organ damaging and also have a very high aquatic toxicity.
  • vitamin C ascorbic acid
  • CN1126245 describes the use of ascorbic acid solutions to leach milled manganese ore.
  • WO 2014/111267 proposes the use of a combination of ascorbic acid and hydroxyethanediphosphonic acid (HEDP) to remove metal oxides from textiles or textile surfaces.
  • HEDP hydroxyethanediphosphonic acid
  • the object of the present invention is now to provide a process for the treatment of textiles, which in particular with indigo and / or sulfur black, optionally in combination with other dyes, dyed and then a bleaching treatment, in particular with permanganates, were subjected to the Bleaching treatment incurred deposits or stains with manganese oxides, especially with manganese dioxide to remove.
  • the process is intended to provide comparable results in its cleaning effect as using sulfur-based reducing agents or hydroxylammonium salts, while significantly reducing possible disadvantages and risks for the environment and the user.
  • no environmentally hazardous or harmful to human health chemicals should be used and an entry of aquatic toxic substances into the wastewater should be excluded.
  • the method should be feasible with economical quantities quickly and effectively.
  • the object underlying the invention is achieved by a method for removing manganese oxides from textile fabrics, wherein the textile fabrics are treated with a mixture comprising ascorbic acid and at least one further organic carboxylic acid.
  • the inventive combination of ascorbic acid and at least one other organic carboxylic acid the effectiveness of ascorbic acid can be drastically increased or the required amounts can be significantly reduced.
  • ascorbic acid means both ascorbic acid (CAS number 50-81-7) and isoascorbic acid (CAS number 89-65-6). Both forms of ascorbic acid each comprise two enantiomers.
  • the term ascorbic acid as used in the context of the present invention thus comprises a total of four isomeric forms. These are called L-ascorbic acid, D-ascorbic acid, L-isoascorbic acid and D-isoascorbic acid.
  • the four mentioned forms can be used alone or in any mixtures, wherein all four forms or only three or two of the isomeric forms can be contained in a mixture.
  • a racemate of L-ascorbic acid and D-ascorbic acid can be used.
  • L-isoascorbic acid and D-isoascorbic acid can be used.
  • Suitable organic acid further low molecular weight organic carboxylic acids such as acetic acid, glycolic acid or lactic acid. Particularly effective are chelating polybasic acids such as citric acid, which is believed to have an additional synergistic effect due to its complexing effect on metal ions, without the invention being limited thereto by this theory.
  • textile materials are used which contain manganese oxides which originate from a previous treatment with permanganates.
  • the treatment according to the invention of the textiles contaminated with manganese oxide can take place in a long liquor in a conventional washing unit, for example a drum washing machine, at room temperature or slightly elevated temperature, for example up to 50 ° C.
  • the wash liquor is a mixture comprising ascorbic acid and other organic acids in a preferred weight ratio of 1: 9 to 1: 1, in particular in the ratio 1: 5 to 1: 2 added.
  • the amount of acid mixture added is preferably between 0.5 g / l and 5.0 g / l, depending on the degree of soiling of manganese oxide.
  • the at least one further organic carboxylic acid is selected from the group of mono-, di- or trifunctional low molecular weight carboxylic acids, in particular those having up to 8 C atoms. Also optionally used further carboxylic acids are preferably derived from the groups mentioned here.
  • Preferred monofunctional organic carboxylic acids include acetic acid, glycolic acid, lactic acid, formic acid, and propionic acid.
  • Preferred difunctional organic carboxylic acids include tartaric, malonic, maleic, fumaric, oxalic, succinic, oxosuccinic, glutaric, adipic and aspartic acids.
  • Preferred trifunctional organic carboxylic acids include citric acid and (2R, 3S) iso-citric acid.
  • the at least one further organic carboxylic acid is particularly preferably a chelate-forming carboxylic acid. Most preferred is citric acid.
  • Thickening agents, dyes, wetting agents, dispersants, complexing agents, enzymes and / or further auxiliaries known per se can be added as further additives to the treatment liquor.
  • the mixture used according to the invention comprises an aqueous solution which contains ascorbic acid and at least one further organic carboxylic acid, in particular citric acid.
  • the inventive method is preferably carried out at a temperature of 20 to 60 ° C. Particularly preferred is a temperature between 20 and 40 ° C.
  • the treatment is carried out in a preferred embodiment of the method according to the invention over a period of 5 to 40 minutes, more preferably over a period of 5 to 20 minutes.
  • the pH of the liquor is preferably from 3.0 to 6.0. More preferably, the pH of the manganese oxide removing effect is 3.5 to 5.5, and more preferably 4.0 to 5.0.
  • textile fabrics made of cellulose fibers or of cellulose fibers are used in mixture with natural or synthetic fibers which are wholly or partly dyed with different dyes.
  • the process according to the invention is preferably carried out with textile materials which are dyed with indigo and / or sulfur black and, if appropriate, in combination with vat, direct, sulfur or disperse dyestuffs.
  • the process according to the invention is capable of removing manganese oxide deposits which have arisen both as part of a full bleach with permanganate, for example from a long liquor, and in the case of a local bleach at certain locations of an article, for example in the spray process.
  • the object underlying the invention is achieved by the use of a mixture comprising ascorbic acid and at least one further organic carboxylic acid, in particular citric acid, and optionally water for removing manganese oxides from textile materials.
  • the determination of the effectiveness of the manganese oxide removal was carried out by two different methods: • Colorimetric measurement of the bleached and neutralized samples and determination of the dimension b * or the color difference Ab to CIELAB with Datacolor International SF 600 plus CT, aperture 30 mm LAV, quadruple measurement, calibration standard light D 65.
  • the dimension b * allows the weight of the blue / yellow color component between - 80 (pure blue) and + 80 (pure yellow)
  • citric acid (Comparative Example 7) can probably reduce the manganese content due to the complexing properties with respect to metal ions, the optical effect remains strongly behind the combination with ascorbic acid and the color difference Ab still clearly indicates the brownish-yellow discoloration due to manganese oxide residues.
  • Example 8 In the case of acetic acid (Comparative Example 8), optically almost no effect of the treatment is evident (Ab negligible in both materials) and only in material 2 was the manganese content reduced somewhat.
  • Example 1 In the case of acetic acid (Comparative Example 8), optically almost no effect of the treatment is evident (Ab negligible in both materials) and only in material 2 was the manganese content reduced somewhat.
  • Example 1 In the case of acetic acid (Comparative Example 8), optically almost no effect of the treatment is evident (Ab negligible in both materials) and only in material 2 was the manganese content reduced somewhat.
  • Example 1 In the case of acetic acid (Comparative Example 8), optically almost no effect of the treatment is evident (Ab negligible in both materials) and only in material 2 was the manganese content reduced somewhat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Coloring (AREA)

Abstract

L'invention concerne un procédé pour éliminer des dépôts d'oxydes de manganèse de textiles teints par exemple avec de l'indigo et/ou du noir de soufre, ces textiles ayant subi un traitement de blanchiment avec par exemple du permanganate de potassium. Selon ce procédé, on utilise des mélanges d'acide ascorbique et d'acides carboxyliques organiques. L'invention concerne également l'utilisation de mélanges de ce type pour éliminer des oxydes de manganèse.
PCT/EP2018/078352 2017-10-25 2018-10-17 Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles Ceased WO2019081290A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
MX2020002536A MX2020002536A (es) 2017-10-25 2018-10-17 Procedimiento de eliminacion de depositos de oxido de manganeso de superficies textiles.
EP18789120.5A EP3662105A1 (fr) 2017-10-25 2018-10-17 Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles
BR112020004613-2A BR112020004613A2 (pt) 2017-10-25 2018-10-17 processo para remoção de depósitos de óxido de manganês de superfícies têxteis, uso de uma mistura que contem ácido ascórbico
CONC2020/0002330A CO2020002330A2 (es) 2017-10-25 2020-03-02 Procedimiento de eliminación de depósitos de óxido de manganeso de superficies textiles

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017125010.7 2017-10-25
DE102017125010.7A DE102017125010A1 (de) 2017-10-25 2017-10-25 Verfahren zur Entfernung von Manganoxid-Ablagerungen von textilen Oberflächen
DE102018101060.5A DE102018101060A1 (de) 2018-01-18 2018-01-18 Verfahren zur Entfernung von Manganoxid-Ablagerungen von textilen Oberflächen
DE102018101060.5 2018-01-18

Publications (1)

Publication Number Publication Date
WO2019081290A1 true WO2019081290A1 (fr) 2019-05-02

Family

ID=63896185

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/078352 Ceased WO2019081290A1 (fr) 2017-10-25 2018-10-17 Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles

Country Status (5)

Country Link
EP (1) EP3662105A1 (fr)
BR (1) BR112020004613A2 (fr)
CO (1) CO2020002330A2 (fr)
MX (1) MX2020002536A (fr)
WO (1) WO2019081290A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040546B1 (de) 1970-08-14 1971-12-02 Hagen Feldmann Waessrige Loesung einer aliphatischen Carbonsaeure zur Entfernung von Verockerungen oder Ablagerungen
JPS596919B2 (ja) 1981-08-17 1984-02-15 富士通株式会社 ロ−ルメッキ法
CN86103060A (zh) * 1986-04-27 1987-04-22 刘能振 由高锰酸盐和还原性物质组成的漂白剂
DE3625280A1 (de) 1986-07-25 1988-02-04 Feldmann Hagen Reiniger fuer trinkwasseranlagen
US4795476A (en) 1988-01-27 1989-01-03 General Chemical Corporation Method for permanganate bleaching of fabric and garments
US5006124A (en) 1989-12-15 1991-04-09 Fmc Corporation Wet processing of denim
US5066306A (en) 1989-08-01 1991-11-19 501 P.B. & S. Chemical Company, Inc. Process for removing permanganate stains from articles
US5205835A (en) 1991-02-07 1993-04-27 Fmc Corporation Process to remove manganese dioxide from wet process denim fibers by neutralizing with peracetic acid
JPH0657627A (ja) 1992-06-10 1994-03-01 Fmc Corp 繊維から二酸化マンガンを除去するための過酸化水素及びホスホン酸の使用
CN1126245A (zh) 1994-10-28 1996-07-10 北京矿冶研究总院 一种氧化锰矿石的抗坏血酸还原浸出方法
AT401274B (de) * 1993-11-23 1996-07-25 Degussa Austria Gmbh Verfahren zum bleichen von textilartikeln
US5686014A (en) * 1994-04-07 1997-11-11 The Procter & Gamble Company Bleach compositions comprising manganese-containing bleach catalysts
WO2014111267A1 (fr) 2013-01-17 2014-07-24 Archroma Ip Gmbh Système pour l'élimination d'oxyde de fer de surfaces

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040546B1 (de) 1970-08-14 1971-12-02 Hagen Feldmann Waessrige Loesung einer aliphatischen Carbonsaeure zur Entfernung von Verockerungen oder Ablagerungen
JPS596919B2 (ja) 1981-08-17 1984-02-15 富士通株式会社 ロ−ルメッキ法
CN86103060A (zh) * 1986-04-27 1987-04-22 刘能振 由高锰酸盐和还原性物质组成的漂白剂
DE3625280A1 (de) 1986-07-25 1988-02-04 Feldmann Hagen Reiniger fuer trinkwasseranlagen
US4795476A (en) 1988-01-27 1989-01-03 General Chemical Corporation Method for permanganate bleaching of fabric and garments
US5066306A (en) 1989-08-01 1991-11-19 501 P.B. & S. Chemical Company, Inc. Process for removing permanganate stains from articles
US5006124A (en) 1989-12-15 1991-04-09 Fmc Corporation Wet processing of denim
US5205835A (en) 1991-02-07 1993-04-27 Fmc Corporation Process to remove manganese dioxide from wet process denim fibers by neutralizing with peracetic acid
JPH0657627A (ja) 1992-06-10 1994-03-01 Fmc Corp 繊維から二酸化マンガンを除去するための過酸化水素及びホスホン酸の使用
AT401274B (de) * 1993-11-23 1996-07-25 Degussa Austria Gmbh Verfahren zum bleichen von textilartikeln
US5686014A (en) * 1994-04-07 1997-11-11 The Procter & Gamble Company Bleach compositions comprising manganese-containing bleach catalysts
CN1126245A (zh) 1994-10-28 1996-07-10 北京矿冶研究总院 一种氧化锰矿石的抗坏血酸还原浸出方法
WO2014111267A1 (fr) 2013-01-17 2014-07-24 Archroma Ip Gmbh Système pour l'élimination d'oxyde de fer de surfaces

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KHAN ET AL., JOURNAL OF COLLOID AND INTERFACE SCIENCE, vol. 290, no. 1, 2005, pages 184 - 189
M. W. ROPHAEL ET AL.: "I-kinetics of reduction of manganese dioxide by ascorbic acid and hydrazine solutions", JOURNAL OF POWER SOURCES, vol. 22, no. 2, 1988, pages 133 - 148, XP001282131

Also Published As

Publication number Publication date
BR112020004613A2 (pt) 2020-09-24
MX2020002536A (es) 2020-10-01
EP3662105A1 (fr) 2020-06-10
CO2020002330A2 (es) 2020-06-19

Similar Documents

Publication Publication Date Title
DE2627449A1 (de) Wasch- und bleichmittelgemische sowie verfahren zur verhinderung der farbuebertragung beim waschen oder bleichen
DE2133898A1 (de) Verfahren zur Reinigung von Textilgeweben
Hosseinnezhad et al. The use of sumac as a natural mordant in green production of Iranian carpet
DE69817717T2 (de) Amphotere Reinigungslösung von niedrigem pH
KR19990065741A (ko) 황토분을 이용한 섬유의 염색방법
DE3002726C2 (de) Verfahren zum Bleichen von Fasermaterial mit Wasserstoffperoxid enthaltenden Bleichflotten
DE102017125010A1 (de) Verfahren zur Entfernung von Manganoxid-Ablagerungen von textilen Oberflächen
WO2019081290A1 (fr) Procédé pour éliminer des dépôts d'oxydes de manganèse de surfaces textiles
DE3413367C2 (fr)
DE102018101060A1 (de) Verfahren zur Entfernung von Manganoxid-Ablagerungen von textilen Oberflächen
DE900807C (de) Verfahren und Mittel zur Herabsetzung der Schrumpfneigung von ganz oder teilweise aus Wolle bestehenden Geweben oder Faserstoffen
DE69512766T2 (de) Verfahren zur verbesserung der fleckenbeständigkeit von fasern und faserprodukten
EP1583861B1 (fr) Procede pour le finissage de matieres fibreuses textiles
DE821483C (de) Verfahren zum Bleichen von Fasern und daraus gefertigten Gebilden
DE912564C (de) Verfahren zum Bleichen und gegebenenfalls Reinigen von Cellulose-Textilmaterialien
JP3268553B2 (ja) セルロース系繊維の加工方法
WO2015162042A1 (fr) Procédé d'éclaircissement de textiles teints
DE2456212C3 (de) Pulverförmige Reinigungsmittel-Mischung
DE903926C (de) Verfahren zur Behandlung von Waesche mit Chlorit
CN114127015A (zh) 用于氧化衣服的组合物和相关方法
EP0741777B1 (fr) Blanchiment de jeans
DE10193393B4 (de) Verwendung von aromatischen Sulfonen und ihren Derivaten zur Stabilisierung von Blue Denim Textilien gegen Vergilben
DE2320825C2 (de) Verfahren zum Carbonisieren von Cellulosematerialien
DE1815171A1 (de) Verfahren zum Bleichen von textilen Stoffen,die mit empfindlichen Farbstoffen gefaerbte Anteile enthalten
DE602004005483T2 (de) Rote bleichmittel

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18789120

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: NC2020/0002330

Country of ref document: CO

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112020004613

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 2018789120

Country of ref document: EP

Effective date: 20200304

NENP Non-entry into the national phase

Ref country code: DE

WWP Wipo information: published in national office

Ref document number: NC2020/0002330

Country of ref document: CO

ENP Entry into the national phase

Ref document number: 112020004613

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20200306

WWG Wipo information: grant in national office

Ref document number: NC2020/0002330

Country of ref document: CO