DE1129252B - Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers - Google Patents

Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers

Info

Publication number
DE1129252B
DE1129252B DED30931A DED0030931A DE1129252B DE 1129252 B DE1129252 B DE 1129252B DE D30931 A DED30931 A DE D30931A DE D0030931 A DED0030931 A DE D0030931A DE 1129252 B DE1129252 B DE 1129252B
Authority
DE
Germany
Prior art keywords
fibers
bleaching
yarns
natural
woven
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.)
Pending
Application number
DED30931A
Other languages
German (de)
Inventor
Dr Karl Dithmar
Dr Elfriede Naujoks
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.)
Evonik Operations GmbH
Original Assignee
Degussa 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
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to DED30931A priority Critical patent/DE1129252B/en
Publication of DE1129252B publication Critical patent/DE1129252B/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39Organic or inorganic per-compounds
    • C11D3/3902Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905Bleach activators or bleach catalysts
    • C11D3/3907Organic compounds
    • C11D3/3917Nitrogen-containing compounds
    • C11D3/3925Nitriles; Isocyanates or quarternary ammonium nitriles
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06LDRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/12Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)

Description

Verfahren zum Bleichen von Fasern, Garnen, Geweben, Gewirken, Textilwaren u. dgl. aus natürlichen oder synthetischen Fasern Zusatz zur Patentanmeldung D 20 836 IVa / 23 e (Auslegeschrift 1018 181) Die Patentanmeldung D 20836 IVa/23e (deutsche Auslegeschrift 1018181) beschreibt ein Verfahren zum Bleichen von Fasern, Garnen, Geweben, Gewirken, Textilwaren u. dgl. aus natürlichen oder synthetischen Faserstoffen mit Peroxyde enthaltenden wäßrigen Lösungen oder Suspensionen in Gegenwart von organischen Nitrilen. Vorzugsweise arbeitet man so, daß je Mol peroxydischen Sauerstoffs etwa eine Nitrilgruppe zugegen ist. Die Behandlung kann bei Temperaturen zwischen 50 und 80°C durchgeführt werden. Die Flotte kann die üblichen Stabilisatoren, Netzmittel und/oder Faserschutzmittel enthalten.Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like made from natural or synthetic fibers Addition to patent application D 20 836 IVa / 23 e (Auslegeschrift 1018 181) Patent application D 20836 IVa / 23e (German Auslegeschrift 1018181) describes a process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like from natural or synthetic fiber materials with aqueous solutions or suspensions containing peroxides in the presence of organic nitriles. It is preferred to operate in such a way that about one nitrile group is present per mole of peroxidic oxygen. The treatment can be carried out at temperatures between 50 and 80 ° C. The liquor can contain the usual stabilizers, wetting agents and / or fiber protection agents.

Die organischen Nitrile bewirken bei Anwesenheit von Peroxyden in Wasch- und Bleichbädern eine Steigerung der Bleichwirkung, die über die normale hinausgeht. Man kann also in Gegenwart dieser Nitrile eine Bleichwirkung erhalten, die man ohne die erfindungsgemäßen Zusätze unter sonst gleichen Bedingungen erst bei höheren Temperaturen erhält.The organic nitriles cause in the presence of peroxides in Washing and bleaching baths increase the bleaching effect beyond the normal goes out. So you can get a bleaching effect in the presence of these nitriles, which can only be obtained without the additives according to the invention under otherwise identical conditions at higher temperatures.

Es wurde nun gefunden, daß eine wesentliche Verbesserung der Bleichwirkung erzielt wird, wenn man als Zusatz acylierte Cyanhydrine, für sich oder im Gemisch miteinander oder mit den in der Patentanmeldung D 20836 IVa/23e (deutsche Auslegeschrift 1018181) genannten Stoffen, verwendet. Die Verwendung dieser Stoffe macht es möglich, eine vollständigere Bleiche in kürzerer Zeit bzw. bei tieferer Temperatur zu erhalten als bei Verwendung der in der Hauptpatentanmeldung erwähnten Stoffe. In vielen Fällen genügt auch schon ein geringerer Zusatz.It has now been found that there is a substantial improvement in the bleaching effect is achieved if you add acylated cyanohydrins, alone or in a mixture with each other or with the in the patent application D 20836 IVa / 23e (German Auslegeschrift 1018181) is used. The use of these substances makes it possible to obtain a more complete bleaching in a shorter time or at a lower temperature than when using the substances mentioned in the main patent application. In many cases A minor addition is sufficient.

Verbindungen gemäß der Erfindung sind beispielsweise Acetoxy-propionsäurenitril Acetoxy-isobuttersäurenitril Wie bei dem Verfahren der Hauptpatentanmeldung empfiehlt es sich, so zu arbeiten, daß in der Flotte je Mol peroxydischen Sauerstoffs etwa eine Nitrilgruppe zugegen ist. Die Behandlung kann bei Temperaturen zwischen 50 und 80°C durchgeführt werden. Die Flotte kann ebenfalls die üblichen Stabilisatoren, Netzmittel und/oder Faserschutzmittel enthalten. Es wurde ferner gefunden, daß es zweckmäßig ist, die Behandlung in einer alkalischen Flotte, d. h. bei pH-Werten über 7, durchzuführen. Diese pH-Werte können in üblicher Weise eingestellt werden.Compounds according to the invention are, for example, acetoxypropionic acid nitrile Acetoxy-isobutyric acid nitrile As in the process of the main patent application, it is advisable to work in such a way that about one nitrile group is present in the liquor per mole of peroxidic oxygen. The treatment can be carried out at temperatures between 50 and 80 ° C. The liquor can also contain the usual stabilizers, wetting agents and / or fiber protection agents. It has also been found that it is expedient to carry out the treatment in an alkaline liquor, ie at pH values above 7. These pH values can be adjusted in the usual way.

Einige der erfindungsgemäßen Nitrilverbindungen sind in trockenem Zustand im Gemisch mit trockenen peroxydischen Verbindungen, gegebenenfalls auch unter Zusatz weiterer Bestandteile von Waschmitteln, gut lagerfähig.Some of the nitrile compounds according to the invention are in dry conditions Condition in a mixture with dry peroxidic compounds, possibly also with the addition of other detergent ingredients, can be stored well.

Beispiel 1 Proben eines Baumwollgewebes, das nach den Vorschriften der Eidgenössischen Materialprüfungs-und Versuchsanstalt in St. Gallen mit Immedialschwarz gefärbt worden war, wurden bei 60°C 1 Stunde in Bleichbädern behandelt, dann gespült und getrocknet. Das Bleichbad a) enthält je Liter 1 ccm Natronwasserglas, 38° B6; 0,1 g Magnesiumsulfat, 0,6 ccm Natronlauge, 38° B6; 10 ccm Wasserstoffperoxyd, 35gewichtsprozentig.Example 1 Samples of a cotton fabric, which according to the regulations of the Federal Materials Testing and Research Institute in St. Gallen with Immedialschwarz had been dyed were treated in bleach baths at 60 ° C. for 1 hour, then rinsed and dried. The bleach bath a) contains 1 ccm sodium water glass, 38 ° B6 per liter; 0.1 g magnesium sulfate, 0.6 ccm sodium hydroxide solution, 38 ° B6; 10 cc hydrogen peroxide, 35 weight percent.

Das Bleichbad b) hatte dieselbe Zusammensetzung, nur enthielt es zusätzlich je Liter 2 g Acetoxy-propionsäurenitril. Nach der Behandlung wurde der Weißgrad der Proben mit dem Zeiss-»Elrepho«-Gerät bestimmt. Hierbei wurde folgendes, gefunden: Unbehandelte Versuchsgewebe ...... 16,8% mit Lösung a) behandeltes Gewebe ... 24,6% mit Lösung b) behandeltes Gewebe ... 33,50/0 Beispiel 2 Ein ungebleichtes' Zellwollgewebe wurde 1 Stunde mit Rotwein gekocht und dann getrocknet. Proben des so vorbehandelten Gewebes wurden mit folgenden Waschflotten behandelt: Flotte a) enthielt je Liter 1,250 g Alkylarylsulfonat, 0,625 g Natriumpyrophosphat, 0,625 g Natriumtripolyphosphat, 0,350 g Trockenwasserglas; 0,600gNatriumperborat. -Die Flotte b) hatte dieselbe Zusammensetzung, nur enthielt sie zusätzlich `je Liter 0;500 g Acetoxy-isobuttersäurenitril.The bleach bath b) had the same composition, except that it additionally contained 2 g of acetoxypropionic acid nitrile per liter. After the treatment, the whiteness of the samples was determined with the Zeiss “Elrepho” device. The following was found: Untreated test fabrics ...... 16.8% tissue treated with solution a) ... 24.6% tissue treated with solution b) ... 33.50 / 0 Example 2 An unbleached cellulose fabric was boiled with red wine for 1 hour and then dried. Samples of the fabric pretreated in this way were treated with the following wash liquors: liquor a) contained per liter 1.250 g of alkylarylsulfonate, 0.625 g of sodium pyrophosphate, 0.625 g of sodium tripolyphosphate, 0.350 g of dry waterglass; 0.600g sodium perborate. The liquor b) had the same composition, but it also contained 500 g of acetoxyisobutyronitrile per liter.

Die Flotte c) hatte dieselbe Zusammensetzung wie die Flotte a), nur enthielt sie zusätzlich je Liter Acetoxy-propionsäurenitril.The liquor c) had the same composition as the liquor a), only it also contained acetoxypropionic acid nitrile per liter.

Mit diesen drei Flotten wurden die Proben je dreimal 15 Minuten bei 60°C gewaschen und dann getrocknet. Nach der Behandlung wurden die folgenden Weißgehalte mit dem »Elrepho<c-Zeiss-Gerät festgestellt Nach Behandlung mit Flotte a) ...... 49,0°/a nach Behandlung mit Flotte b) ...... 59,60/, nach Behandlung mit Flotte c) ...... 60,10/0 The samples were each washed three times for 15 minutes at 60 ° C. with these three liquors and then dried. After the treatment, the following whiteness levels were determined with the »Elrepho <c-Zeiss device After treatment with liquor a) ...... 49.0% / a after treatment with liquor b) ...... 59.60 /, after treatment with liquor c) ...... 60.10 / 0

Claims (2)

PATENTANSPRÜCHE: 1. Verfahren zum Bleichen von Fasern, Garnen, Geweben, Textilwaren u. dgl. aus natürlichen oder synthetischen Faserstoffen mit Peroxyde enthaltenden wäßrigen Lösungen oder Suspensionen in Gegenwart von organischen Nitrilen nach Patentanmeldung D 20836IVa/23e (deutsche Auslegeschrift 1018181), dadurch gekennzeichnet, daß man als organisches Nitril ein acyliertes Oxynitril, vorzugsweise ein acyliertes Cyanhydrin, verwendet. PATENT CLAIMS: 1. Process for bleaching fibers, yarns, fabrics, Textile goods and the like made from natural or synthetic fibers with peroxides containing aqueous solutions or suspensions in the presence of organic nitriles according to patent application D 20836IVa / 23e (German Auslegeschrift 1018181), characterized in that that the organic nitrile is an acylated oxynitrile, preferably an acylated one Cyanohydrin, is used. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man bei einem pH-Wert über 7 arbeitet.2. The method according to claim 1, characterized in that one works at a pH above 7.
DED30931A 1959-06-24 1959-06-24 Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers Pending DE1129252B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED30931A DE1129252B (en) 1959-06-24 1959-06-24 Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED30931A DE1129252B (en) 1959-06-24 1959-06-24 Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers

Publications (1)

Publication Number Publication Date
DE1129252B true DE1129252B (en) 1962-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DED30931A Pending DE1129252B (en) 1959-06-24 1959-06-24 Process for bleaching fibers, yarns, woven, knitted fabrics, textile goods and the like. Like. Made of natural or synthetic fibers

Country Status (1)

Country Link
DE (1) DE1129252B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227179B (en) * 1961-08-31 1966-10-20 Procter & Gamble Detergent with removing stains

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227179B (en) * 1961-08-31 1966-10-20 Procter & Gamble Detergent with removing stains

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