DE947965C - Process for shrinking and felting wool - Google Patents
Process for shrinking and felting woolInfo
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Animal Husbandry (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
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)
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
ID=6961379
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)
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)
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 |
-
1953
- 1953-02-06 DE DEB24115A patent/DE947965C/en not_active Expired
Patent Citations (1)
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)
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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