EP0378800B1 - Méthode de nettoyage alcalin de matériaux fibreux cellulosiques - Google Patents

Méthode de nettoyage alcalin de matériaux fibreux cellulosiques Download PDF

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Publication number
EP0378800B1
EP0378800B1 EP89122694A EP89122694A EP0378800B1 EP 0378800 B1 EP0378800 B1 EP 0378800B1 EP 89122694 A EP89122694 A EP 89122694A EP 89122694 A EP89122694 A EP 89122694A EP 0378800 B1 EP0378800 B1 EP 0378800B1
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EP
European Patent Office
Prior art keywords
alkyl
atoms
phase transfer
transfer catalysts
alkenyl
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
EP89122694A
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German (de)
English (en)
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EP0378800A2 (fr
EP0378800A3 (fr
Inventor
Stefan Dr. Paasch
Dieter Dr. Nickel
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.)
Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to AT89122694T priority Critical patent/ATE91511T1/de
Publication of EP0378800A2 publication Critical patent/EP0378800A2/fr
Publication of EP0378800A3 publication Critical patent/EP0378800A3/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • 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
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
    • D06L1/14—De-sizing

Definitions

  • the invention relates to a process for the alkaline cleaning of cellulose-containing fiber materials and the use of phase transfer catalysts in the alkali stage for cleaning cellulose-containing fiber materials.
  • Cotton contains natural impurities, for example waxes, wax-like substances, proteins, seed husks, fruit capsules and pectins, as well as impurities that were applied as foreign substances in the course of processing, for example sizing and harvesting aids. It is the task of the pretreatment to remove these substances as completely as possible from the fiber materials, to make the cellulose-containing fiber materials more hydrophilic for the subsequent finishing processes and to give them increased absorbency. The pretreatment process with which these effects are achieved is called the alkali stage.
  • the alkali stage is usually at temperatures between 90 and 140 ° C without pressure (boiling) or under pressure (humidification) with 1.5 to 12 percent by weight sodium hydroxide solution in the presence carried out by wetting and / or dispersing agents (Chwalla / Anger: “Handbuch der Textilosstoff", Chapter 3.9, Verlag Chemie Weinheim 1977).
  • wetting and / or dispersing agents Chwalla / Anger: "Handbuch der Textilosstoff", Chapter 3.9, Verlag Chemie Weinheim 1977.
  • the liquor: fabric weight ratio is pressed between, for example, 0.7 and 1.2 and with steam, optionally under pressure to 95 to 100 ° C. heated up. After lingering at this temperature for 1 to 3 hours, washing is carried out at 90 to 100 ° C. With the hot dwell process, the dwell temperature is between 40 and 60 ° C. However, in order to get well-boiled cotton goods, a longer treatment time of up to 10 hours and a higher amount of alkali are required compared to the pad roll process.
  • the object of the invention was therefore to develop a process which enables the alkaline treatment of cellulose-containing fiber materials to be carried out at low temperatures without prolonging the treatment time and without deteriorating the quality of the fiber materials.
  • the invention accordingly relates to a process for the alkaline cleaning of cellulose fibers, which thereby characterized in that cellulose-containing fiber materials with alkaline liquors containing 15 to 150 g of alkali, 1 to 10 g of active substance phase transfer catalysts and 0 to 5 g of alkyl and / or alkenyl alcohols with 1 to 18 atoms per liter of liquor at temperatures between 30 and 70 ° C wetted, then squeezed and washed after 10 to 200 minutes at temperatures between 90 and 105 ° C at temperatures between 30 and 90 ° C.
  • the cellulose-containing fiber materials are preferably wetted with alkaline liquors which contain 2 to 7 g of active substance phase transfer catalysts and 0 to 2 g of alkyl and / or alkenyl alcohols having 6 to 12 carbon atoms per liter of liquor.
  • Another subject of the invention is the use of 1 to 10 g of active substance phase transfer catalysts per liter of liquor and 0 to 5 g of alkyl and / or alkenyl alcohols with 1 to 18 carbon atoms per liter of liquor in the alkali stage for cleaning cellulosic fiber materials.
  • Suitable phase transfer catalysts are quaternary ammonium compounds, planar macrocyclic polyethers, so-called crown ethers (Römpps Chemie-Lexikon, 8th edition, p. 2258, Franck'sche Verlags Stuttgart 1983) and / or cryptates (Römpps Chemielexikon, 8th edition, p. 2261 , Franck'sche Verlag Stuttgart 1983).
  • Quaternary ammonium compounds and in particular those of the general formula I are preferred in which the radicals R1 and R2 are methyl, R3 is a straight or branched chain, cyclic or noncyclic alkyl or alkenyl radical having 6 to 22 C atoms, R4 is a straight or branched chain alkyl or alkenyl radical having 1 to 14 C atoms or one Benzyl radical and X is a halogen, sulfate, lactate, acetate or citrate anion.
  • Quaternary ammonium compounds are produced by known industrial processes, for example by reacting tertiary amines with one or two long-chain alkyl and / or alkenyl radicals with alkylating reagents such as methyl chloride, methyl bromide, dimethyl sulfate or benzyl chloride (Winnacker / Küchler: "Chemical technology” 4th ed., Volume 7, pp. 126 to 128, Carl Hanser Verlag, Kunststoff 1986).
  • phase transfer catalysts together with alkyl and / or alkenyl alcohols with 1 to 18 carbon atoms, preferably with 6 to 12 carbon atoms.
  • Alkyl and / or alkenyl alcohols can be straight and / or branched, natural and / or synthetic in origin. Ethanol, butanol, pentanol, hexanol, octanol, decanol, dodecanol, hexadecanol, octadecanol and / or octadecenol are examples of alkyl and / or alkenyl alcohols to be used according to the invention.
  • Cellulose-containing fiber materials such as cotton and / or jute are first made with alkaline liquors, which are 15 to 150 g per liter Contain alkali, for example NaOH and / or KOH, 1 to 10 g of active substance phase transfer catalysts and 0 to 5 g of alkyl and / or alkenyl alcohols with 1 to 18 C atoms, for example on a Benz laboratory continuous system at temperatures between 30 and 70 ° C wetted. After squeezing, the fiber materials, which are wound on, for example, chewing, are left to rotate for 10 to 200 minutes at temperatures between 90 and 105.degree. The fiber materials are then washed at temperatures between 30 and 90 ° C.
  • alkaline liquors which are 15 to 150 g per liter Contain alkali, for example NaOH and / or KOH, 1 to 10 g of active substance phase transfer catalysts and 0 to 5 g of alkyl and / or alkenyl alcohols with 1 to 18 C atom
  • the temperature required for washing the cellulose-containing fiber materials can be significantly reduced and / or the total time of the alkali stage is significantly reduced.
  • waxes and / or wax-like substances can be largely removed from cellulose-containing fiber materials at temperatures between 30 and 90 ° C. by washing out. Fiber materials with good absorbency are obtained.
  • Penetration measurements were carried out to determine the saponification rate.
  • glass capillaries filled with cotton wax were immersed in sodium hydroxide solution containing quaternary ammonium compounds.
  • the solutions were each in a test tube which was immersed in a temperature-controlled water bath.
  • the penetration height in the capillaries which is characterized by a dark discoloration of the wax, was determined with the aid of a cathetometer to within 1/100 mm.
  • Tables 1 and 2 contain the results of the penetration measurements. Unless otherwise stated, solutions with 60 g / l NaOH and 5 g / l active substance quaternary ammonium compound were used.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Catalysts (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Claims (8)

  1. Procédé de nettoyage alcalin de matériau fibreux cellulosique caractérisé en ce qu'on mouille des matériaux fibreux cellulosiques avec des solutions alcalines, qui contiennent par litre de solution 15 à 150 g d'alcali, 1 à 10 g de substance active de catalyseurs de transfert de phase et 0 à 5 g d'alkyle- et/ou d'alcénylalcools de 1 à 18 atomes de C, à des températures comprises entre 30 et 70°C, ensuite on essore et après un séjour de 10 à 200 minutes à des températures comprises entre 90 et 105°C on lave à des températures comprises entre 30 et 90°C.
  2. Procédé selon la revendication 1, caractérisé en ce que les solutions alcalines contiennent par litre 2 à 7 g de substance active de catalyseurs de transfert de phase et 0 à 2 g d'alkyle- et/ou d'alcénylalcool avec 6 à 12 atomes de C.
  3. Procédé selon l'une des revendications 1 à 2 ou les deux, caractérisé en ce qu'on utilise comme catalyseur de transfert de phase des composés d'ammonium quaternaire.
  4. Procédé selon une ou plusieurs des revendications 1 à 3 , caractérisé en ce qu'on utilise des composés d'ammonium quaternaire de formule générale I
    Figure imgb0006
     dans laquelle les restes R¹ et R² représentent le méthyle, R³ un reste alkyle ou alcényle linéaire ou ramifié cyclique ou non avec 6 à 22 atomes de C, R⁴ un reste alkyle ou alcényle linéaire ou ramifié avec 1 à 14 atomes de C ou un reste benzyle et X est un anion halogénure, sulfate, lactate, acétate ou citrate.
  5. Utilisation de 1 à 10 g de substance active de catalyseurs de transfert de phase par 1 de solution et 0 à 5 g d'alkyle- et/ou d'alcénylalcools avec 1 à 18 atomes de C par 1 de solution à l'étape alcaline pour nettoyer des matériaux fibreux cellulosiques.
  6. Utilisation selon la revendication 5, caractérisée en ce qu on utilise par 1 de solution 2 à 7 g de substance active de catalyseurs de transfert de phase et 0 à 2 g d'alkyle et/ou d'alcénylalcools avec 6 à 12 atomes de C.
  7. Utilisation selon l'une des revendications 5 à 6 ou les deux, caractérisée en ce qu'on utilise des composés d'ammonium quaternaire comme catalyseurs de transfert de phase.
  8. Utilisation selon une ou plusieurs des revendications 5 à 7, caractérisée en ce qu'on utilise des composés d'ammonium quaternaire de formule générale I
    Figure imgb0007
     dans laquelle les restes R¹ et R² représentent le méthyle, R³ un reste alkyle ou alcényle linéaire ou ramifié, cyclique ou non avec de 6 à 22 atomes de C, R⁴ un reste alkyle ou alcényle linéaire ou ramifié avec 1 à 14 atomes de C ou un reste benzyle et X est un anion halogénure, sulfate, lactate, acétate ou citrate.
EP89122694A 1988-12-16 1989-12-08 Méthode de nettoyage alcalin de matériaux fibreux cellulosiques Expired - Lifetime EP0378800B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89122694T ATE91511T1 (de) 1988-12-16 1989-12-08 Verfahren zur alkalischen reinigung von cellulosehaltigen fasermaterialien.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3842342A DE3842342A1 (de) 1988-12-16 1988-12-16 Verfahren zur alkalischen reinigung von cellulosehaltigen fasermaterialien
DE3842342 1988-12-16

Publications (3)

Publication Number Publication Date
EP0378800A2 EP0378800A2 (fr) 1990-07-25
EP0378800A3 EP0378800A3 (fr) 1991-08-14
EP0378800B1 true EP0378800B1 (fr) 1993-07-14

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Family Applications (1)

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EP89122694A Expired - Lifetime EP0378800B1 (fr) 1988-12-16 1989-12-08 Méthode de nettoyage alcalin de matériaux fibreux cellulosiques

Country Status (4)

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EP (1) EP0378800B1 (fr)
AT (1) ATE91511T1 (fr)
DE (2) DE3842342A1 (fr)
ES (1) ES2057079T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9625123D0 (en) * 1996-12-03 1997-01-22 Hall Edward Ltd Treatment of cotton
ATE204817T1 (de) 1999-09-20 2001-09-15 Alain Faymonville Ladungssicherungsanlage für glasscheibenpakete
DE102007030576A1 (de) * 2007-07-02 2009-01-08 Flasin Faser Gmbh Hochfestes Fasermaterial aus Naturfaser, Verfahren zu seiner Herstellung und seine Verwendung zur Herstellung von Verbundwerkstoffen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237064A (en) * 1978-09-08 1980-12-02 Akzona Incorporated Process for preparing quaternary ammonium compositions
FR2609478B1 (fr) * 1987-01-13 1990-12-14 Rhovyl Fibres, fils, articles textiles a base de polychlorure de vinyle de tenue thermique amelioree

Also Published As

Publication number Publication date
ES2057079T3 (es) 1994-10-16
EP0378800A2 (fr) 1990-07-25
ATE91511T1 (de) 1993-07-15
DE58904917D1 (de) 1993-08-19
EP0378800A3 (fr) 1991-08-14
DE3842342A1 (de) 1990-06-21

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