DE947965C - Process for shrinking and felting wool - Google Patents

Process for shrinking and felting wool

Info

Publication number
DE947965C
DE947965C DEB24115A DEB0024115A DE947965C DE 947965 C DE947965 C DE 947965C DE B24115 A DEB24115 A DE B24115A DE B0024115 A DEB0024115 A DE B0024115A DE 947965 C DE947965 C DE 947965C
Authority
DE
Germany
Prior art keywords
wool
chlorine
shrinking
methylol compounds
proof
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
DEB24115A
Other languages
German (de)
Inventor
Curt Rackemann
Dr Wilhelm Ruemens
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DEB24115A priority Critical patent/DE947965C/en
Application granted granted Critical
Publication of DE947965C publication Critical patent/DE947965C/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01CCHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
    • D01C3/00Treatment of animal material, e.g. chemical scouring of wool

Description

Verfahren zum Schrumpf- und Filzfestmachen von Wolle Es .ist bekannt, Wolle durch Behandlung mit Lösungen von Chlor oder von Verbindungen, die Chlor abspalten, schrumpf- und filzfest zu machen. Durch ungleichmäßige Einwirkung des Chlors entstehen hierbei aber leicht Unregelmäßigkeiten, wodurch die Wollfaser eine verschiedene Affinität zu Farbstoffen erhält, so daß beim Färben Unegalitäten auftreten. Man hat deshalb schon versucht, durch Zugabe von Ammoniak oder Eiweißabbauprodukten eine gleichmäßigere Chlorierung der Wolle zu erreichen.. Es ist auch schon vorgeschlagen worden, die Behandlung von- Wolle mit Chlor in Gegenwart von wasserlöslichen Melamin-Formaldehyd-Kondensationsprodukten oder derenAlkyläthern bzw. von Alkyläthern des Dimethylolharn.-stoffes vorzunehmen. Es wurde nun. gefunden, daß man Wolle durch Chlorieren sehr gut schrumpf- und filzfest machen. kann, wenn man den Lösungen, die aktives Chlor enthalten, Methylolverbindungenvon Glyoxalurennen zusetzt. Gegenüber den bekannten Verfahren zeichnet sich diese Arbeitsweise durch mehrere Vorzüge aus. Die Methylolverbindungen der Glyoxalureine vermögen. Chlor in, labiler Form zu binden und wirken dadurch als Chlorüberträger, wodurch eine gleichmäßig chlorierte Wolle entsteht. Ein weiterer Vorzug ist in der gutem Beständigkeit dieser Methylolverbindungen zu sehen. Sie bilden praktisch auch in saurer Lösung bei Raumtemperatur noch keine höhermolekularen, wasserunlöslichen Kondensationsprodukte, so daß die Chlorierungsbäder nicht häufig erneuert werden müssen. Außerdem ist es vorteilhaft, daß durch das Binden des Chlors an die Methylolglyoxalureine eine Geruchsbelästigung durch Chlor weitgehend vermieden wird und dieVerluste an. aktivem Chlor sehr gering sind.Process for shrinking and felting wool It is known Wool by treatment with solutions of chlorine or compounds that release chlorine, to make it shrink-proof and felt-proof. Result from uneven exposure to chlorine but here slightly irregularities, which makes the wool fiber a different Maintains affinity for dyes, so that unevenness occurs during dyeing. Man has therefore already tried adding ammonia or protein breakdown products to achieve a more even chlorination of the wool .. It has also been suggested the treatment of wool with chlorine in the presence of water-soluble melamine-formaldehyde condensation products or their alkyl ethers or of alkyl ethers of dimethylol urine. It was now. found that chlorination gives wool very good shrinkage and felt resistance do. can, if one of the solutions containing active chlorine, methylol compounds of Glyoxalur race added. This mode of operation is distinguished from the known processes through several advantages. The methylol compounds of Glyoxalureine are capable. To bind chlorine in unstable form and thus act as a chlorine carrier, whereby a uniformly chlorinated wool is created. Another merit is in the good To see resistance of these methylol compounds. They practically also form in acidic solution at room temperature does not have any higher molecular weight, water-insoluble Condensation products, so that the chlorination baths are not frequently renewed have to. aside from that it is advantageous that by binding the chlorine to the Methylolglyoxalureine an odor nuisance from chlorine largely avoided and the losses. active chlorine are very low.

In der Regel sollen die Chloiiierungsbäder vorzugsweise etwa 0,3 bis 3,1/o an Methylolglyoxalureinen enthalten. Von den Methylolverbindungen der Glyoxalureine sind besonders die Methylolverbindungen des GlyoxaldiuTeins geeignet. Es lassen sich jedoch-auch ässe Methylolverhindungen des Glyoxalmonoureins verwenden. Die Chlorierung kann, mit freiem Chlor, untercMoriger Säure bzw. deren, Salzen oder mit anderen Verbindungen, die aktives Chlor abspalten können; vorgenommen werden.As a rule, the chlorination baths should preferably contain about 0.3 to 3.1 / o of methylolglyoxalureins. Of the methylol compounds of glyoxaline, the methylol compounds of glyoxaline are particularly suitable. However, it is also possible to use other methylol compounds of glyoxal monourein. The chlorination can be done with free chlorine, undercoretic acid or its salts or with other compounds that can split off active chlorine; be made.

Die in dem nachstehenden Beispiel angegebenen, Teile sind Gewnrhtsteile. Beispiel ioo Teile gereinigte Wolle werden im Badverhältnis i : qo bei 15' 9o Minuten, mit einer Flotte behandelt, die pro Liter 2 Teile 3oo/oige Salzsäure, o,8 Teile Tetramethylolglyoxaldiiurein und: o,5 Teile aktives Chlor enthält. Das Chlor wird zweckmäßig dem Bade erst zugesetzt, wenn die Wolle bereits etwa 5 bis 15 Minuteri darin behandelt wurde.The parts given in the following example are parts by weight. EXAMPLE 100 parts of cleaned wool are treated in a bath ratio of i: qo for 15.9o minutes with a liquor which contains 2 parts of 300% hydrochloric acid, 0.8 parts of tetramethylolglyoxaldiurein and 0.5 parts of active chlorine per liter. The chlorine is advantageously first added to the bath when the wool was treated already about 5 and 1 5 Minuteri therein.

Nach der Behandlung wird gespült und 'mit Natriumbisulfit oder Natriumthiosulfat in der üblichen Weise bei Raumtemperatur während io Minuten entchlort. Dann wird wieder gespült, wobei gegebenenfalls zur Verbesserung des Griffes ein Fettalkoholsulfonat zugesetzt werden kann. Anschließend wird getrocknet.After the treatment is rinsed and 'with sodium bisulfite or sodium thiosulfate dechlorinated in the usual way at room temperature for 10 minutes. Then it will be rinsed again, optionally with a fatty alcohol sulfonate to improve the grip can be added. Then it is dried.

Claims (1)

PATENTANSPRUCH: Verfahren zum Schrumpf- und Filzfest machen von Wolle durch Chlorieren, dadurch gekennzeichnet, da.B man die Wolle mit Lösungen behandelt, die neben. aktivem Chlor Methylolverbindungen von Glyoxalureinen enthalten. In Betracht gezogene Druckschriften: Deutsche Patehtschrsft Nr. 828 537. PATENT CLAIM: Process for making wool shrink-proof and felt-proof by chlorinating, characterized in that the wool is treated with solutions that are next to. active chlorine contain methylol compounds of glyoxalureins. Considered publications: Deutsche Patehtschrsft No. 828 537.
DEB24115A 1953-02-06 1953-02-06 Process for shrinking and felting wool Expired DE947965C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB24115A DE947965C (en) 1953-02-06 1953-02-06 Process for shrinking and felting wool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB24115A DE947965C (en) 1953-02-06 1953-02-06 Process for shrinking and felting wool

Publications (1)

Publication Number Publication Date
DE947965C true DE947965C (en) 1956-08-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DEB24115A Expired DE947965C (en) 1953-02-06 1953-02-06 Process for shrinking and felting wool

Country Status (1)

Country Link
DE (1) DE947965C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1143781B (en) * 1960-05-06 1963-02-21 Geigy Ag J R Process for reducing the felting and shrinking capacity of wool
DE1283795B (en) * 1963-08-09 1968-11-28 Ciba Geigy Process for leveling felt and shrinkage resistant textile goods containing wool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828537C (en) * 1949-04-27 1952-01-17 Ciba A G Process for the treatment of wool with solutions which contain chlorine, hypochlorous acids or their salts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828537C (en) * 1949-04-27 1952-01-17 Ciba A G Process for the treatment of wool with solutions which contain chlorine, hypochlorous acids or their salts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1143781B (en) * 1960-05-06 1963-02-21 Geigy Ag J R Process for reducing the felting and shrinking capacity of wool
DE1283795B (en) * 1963-08-09 1968-11-28 Ciba Geigy Process for leveling felt and shrinkage resistant textile goods containing wool

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