DEP0049924DA - Means for changing the structure of sulfur-containing scleroproteins - Google Patents
Means for changing the structure of sulfur-containing scleroproteinsInfo
- Publication number
- DEP0049924DA DEP0049924DA DEP0049924DA DE P0049924D A DEP0049924D A DE P0049924DA DE P0049924D A DEP0049924D A DE P0049924DA
- Authority
- DE
- Germany
- Prior art keywords
- scleroproteins
- solutions
- alkyl esters
- sulfur
- process according
- 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
- 108091005899 fibrous proteins Proteins 0.000 title claims description 14
- 102000034240 fibrous proteins Human genes 0.000 title claims description 14
- 229910052717 sulfur Inorganic materials 0.000 title claims description 7
- 239000011593 sulfur Substances 0.000 title claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 6
- 239000002253 acid Substances 0.000 claims description 14
- 150000007513 acids Chemical class 0.000 claims description 13
- 125000005907 alkyl ester group Chemical group 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 5
- 108010076876 Keratins Proteins 0.000 claims description 4
- 102000011782 Keratins Human genes 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 229940100198 alkylating agent Drugs 0.000 claims description 2
- 239000002168 alkylating agent Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000000080 wetting agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 7
- GEHJBWKLJVFKPS-UHFFFAOYSA-N bromochloroacetic acid Chemical compound OC(=O)C(Cl)Br GEHJBWKLJVFKPS-UHFFFAOYSA-N 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 239000003021 water soluble solvent Substances 0.000 claims 1
- 210000004209 hair Anatomy 0.000 description 11
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- -1 carboxymethyl ester Chemical class 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- HIZCIEIDIFGZSS-UHFFFAOYSA-N carbonotrithioic acid Chemical compound SC(S)=S HIZCIEIDIFGZSS-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 108010022355 Fibroins Proteins 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 241000997826 Melanocetus johnsonii Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 101710172711 Structural protein Proteins 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- SKOLWUPSYHWYAM-UHFFFAOYSA-N carbonodithioic O,S-acid Chemical compound SC(S)=O SKOLWUPSYHWYAM-UHFFFAOYSA-N 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 210000000282 nail Anatomy 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Description
Skleroproteine haben im Tierreich die Rolle von Gerüststoffen und sind in Wasser und Salzlösungen unlöslich. Man rechnet zu ihnen vor allen das Keratin, d.h. die Substanz der Haare, Wolle, Federn, Nägel usw., ferner das Gerüsteiweiss der Sehnen und anderer elastischer Gewebe, Seidenfibroin, das Kollagen der Knochen, Knorpel, Bindegewebe usw. Es wurde gefunden, dass man derartige Skleroproteine, soweit sie schwefelhaltig sind, dadurch in ihrer Struktur verändern kann, dass man sie mit Lösungen von Alkylestern der Thiokohlensäuren behandelt. Als solche Alkylester der Thiokohlensäuren kommen wegen der leichten Eindringbarkeit in die Gerüstsubstanz vor allen niedere aliphatische Alkylester, insbesondere solche, die hydrophile Gruppen, wie Carboxygruppen, Sulfonsäuregruppen, Oxygruppen usw. enthalten, in Betracht.Scleroproteins play the role of builders in the animal kingdom and are insoluble in water and saline solutions. They include above all keratin, that is, the substance of hair, wool, feathers, nails, etc., and also the structural protein of tendons and other elastic tissues, silk fibroin, the collagen of bones, cartilage, connective tissue, etc. It has been found that Such scleroproteins, insofar as they contain sulfur, can be modified in their structure by treating them with solutions of alkyl esters of thiocarbonic acids. As such alkyl esters of thiocarbonic acids, lower aliphatic alkyl esters, in particular those which contain hydrophilic groups such as carboxy groups, sulfonic acid groups, oxy groups, etc., come into consideration because of their easy penetrability into the structural substance.
Derartige Alkylester der Thiokohlensäuren sind z.B. der Trithiokohlensäure-bis-(carboxymethylester) von der Formel OH.CO . CH(sub)2 . S . CS .S .CH(sub)2 . COOH, der Thiokohlensäure-0 . S -bis-(carboxymethylester) von der Formel OH . CO . CH(sub)2 . O . CS . S . CH(sub)2 . COOH, der Dithiokohlensäure-S' -bis-(carboxymethylester) von der Formel OH . CO . CH(sub)2 . S . CO . S . CH(sub)2 . COOH, der Trithiokohlensäure-bis-(carboxyäthylester) von der Formel OH . XO . CH . (CH(sub)3) . S . CS .S . CH (CH(sub)3) . COOH, der Trithiokohlensäure-bis-(-sulfonsäure-n-butylester) von der Formel CH(sub)3 . CH (SO(sub)3H) . CH(sub)2 . CH(sub)2 . S . CS...CH(sub)2 . CH(sub)2 .CH (SO(sub)3H) . CH(sub)3 u.a. mehr.Such alkyl esters of thiocarbonic acids are, for example, the trithiocarbonic acid bis (carboxymethyl ester) of the formula OH.CO. CH (sub) 2. S. CS .S .CH (sub) 2. COOH, the thiocarbonic acid-0. S -bis- (carboxymethyl ester) of the formula OH. CO. CH (sub) 2. O CS. S. CH (sub) 2. COOH, the dithiocarbonic acid S '-bis- (carboxymethyl ester) of the formula OH. CO. CH (sub) 2. S. CO. S. CH (sub) 2. COOH, the trithiocarbonic acid bis (carboxyethyl ester) of the formula OH. XO. CH. (CH (sub) 3). S. CS .S. CH (CH (sub) 3). COOH, the trithiocarbonic acid bis (- sulfonic acid n-butyl ester) of the formula CH (sub) 3. CH (SO (sub) 3H). CH (sub) 2. CH (sub) 2. S. CS ... CH (sub) 2. CH (sub) 2 .CH (SO (sub) 3H). CH (sub) 3 and others more.
Die Alkylester der Thiokohlensäuren werden im allgemeinen in wässrigen Lösungen angewandt. Enthalten sie hydrophile Säuregruppen, so ist es vorteilhaft, die löslichen Salze einzusetzen; jedoch ist es mitunter auch angebracht, Alkohole, wie Methyl-, Äthyl-, Propylalkohol o.dgl. Lösungsmittel mit zu verwenden.The alkyl esters of the thiocarbonic acids are generally used in aqueous solutions. If they contain hydrophilic acid groups, it is advantageous to use the soluble salts; however, it is sometimes also appropriate to use alcohols such as methyl, ethyl, propyl alcohol or the like. Solvent to be used with.
Je nach den Temperatur- und Konzentrationsbedingungen den pH-Verhältnissen und dem angestrebten Zweck muss die Behandlung der schwefelhaltigen Skleroproteine kürzere oder längere Zeit erfolgen. Es ist im allgemeinen nicht notwendig, hohe Temperaturen anzuwenden. Z.B. erweichen Haare bereits bei Temperaturen von 25-40° in durchaus tragbaren Zeiträumen, z.B. bei einer Konzentration der Lösungen von etwa 5 - 25% in 1/2 Stunde bis 2 Stunden.Depending on the temperature and concentration conditions, the pH conditions and the intended purpose, the treatment of the sulfur-containing scleroproteins must take place for a shorter or longer period of time. It is generally not necessary to use high temperatures. E.g. hair softens already at temperatures of 25-40 ° in acceptable periods of time, e.g. with a concentration of the solutions of about 5 - 25% in 1/2 hour to 2 hours.
Durch Einwirkung der Alkylester der Thiokohlensäuren werden vermutlich in den Skleroproteinen vorhandene disulfidartigeThe action of the alkyl esters of thiocarbonic acids presumably gives rise to disulfide-like properties in the scleroproteins
Schwefelbindungen unter Bildung von -SH-Gruppen aufgespalten. Diese Wirkung wird im allgemeinen gefördert, wenn die Lösungen ausserdem alkalisch reagierende Stoffe enthalten. Es ist daher vorteilhaft, den Lösungen alkalisch reagierende Salze, wie Trinatriumphosphat, Soda, Borax, Metaborat oder Ammoniak u.dgl. zuzusetzen. Mitunter ist es jedoch auch erwünscht, in schwach saurem Bereich zu arbeiten.Sulfur bonds split to form -SH groups. This effect is generally promoted if the solutions also contain substances with an alkaline reaction. It is therefore advantageous to add alkaline salts such as trisodium phosphate, soda, borax, metaborate or ammonia and the like to the solutions. Sometimes, however, it is also desirable to work in a weakly acidic range.
Ausser den erwähnten alkalischen Zusatzstoffen können die Erzeugnisse auch noch andere Zusätze enthalten, wie z.B Duftstoffe, Netz- und Emulgiermittel usw. Man kann auch weitere Reduktionsmittel, wie Hydroxylamin, zufügen. Bei längeren Aufbewahren der alkalischen Lösungen zersetzen sich die Alkylester der Thiokohlensäuren leicht unter Bildung von Mercaptogruppen enthaltenden Verbindungen. Derartige Lösungen können trotzdem noch mit ausgezeichneten Erfolg angewendet werden. Es ist jedoch zweckmässig, in solchen Fällen Alkylester der Thiokohlensäuren zu wählen, die im Alkylrest hydrophile Gruppen der oben genannten Art aufweisen, weil deren Zersetzungsprodukte nicht den intensiven unangenehmen Geruch anderer Mercaptane aufweisen.In addition to the alkaline additives mentioned, the products can also contain other additives, such as fragrances, wetting and emulsifying agents, etc. Other reducing agents such as hydroxylamine can also be added. If the alkaline solutions are stored for a long time, the alkyl esters of the thiocarbonic acids decompose easily with the formation of compounds containing mercapto groups. Such solutions can still be used with excellent success. In such cases, however, it is advisable to choose alkyl esters of thiocarbonic acids which have hydrophilic groups of the type mentioned above in the alkyl radical because their decomposition products do not have the intense, unpleasant odor of other mercaptans.
Die Wirkung der Alkylester der Thiokohlensäuren kann durch eine nachträgliche Behandlung mit oxydierenden Mitteln wieder aufgehoben werden. Solche oxydierenden Mittel sind z.B. Wasserstoffsuperoxid und seine Derivate, wie Perverbindungen, und Anlagerungsverbindungen an Harnstoff u.dgl. mehr, ferner Bromate u.dgl., in manchen Fällen sogar der Luftsauerstoff. Durch diese Reoxydation werden wieder Disulfidbindungen hergestellt. Man kann die gebildeten -SH-Gruppen aber auch mit anderen reaktionsfähigen Verbindungen umsetzen, z.B. mit alkylierenden Mitteln, wie Alkylendibromiden, ferner mit Aldehyden, wie Formaldehyd oder Glyoxal.The effect of the alkyl esters of thiocarbonic acids can be reversed by subsequent treatment with oxidizing agents. Such oxidizing agents are, for example, hydrogen peroxide and its derivatives, such as per compounds, and addition compounds to urea and the like, also bromates and the like, in some cases even atmospheric oxygen. This reoxidation re-establishes disulfide bonds. You can The -SH groups formed can also be reacted with other reactive compounds, e.g. with alkylating agents such as alkylenedibromides, and also with aldehydes such as formaldehyde or glyoxal.
Die vorliegende Erfindung lässt sich vielfach ausnutzen. So kann man z.B. mit den Alkylestern der Thiokohlensäuren behandelten schwefelhaltigen Skleroproteine, die dadurch ihre Elastizität verloren haben, verformen und danach die erweichende Wirkung durch Reoxydation oder Reaktion mit Aldehyden oder Alkylendihalogeniden wieder Aufheben. Die Skleroproteine bleiben dann unter Wiedergewinnung ihrer elastischen Eigenschaften in den verformten Zustand. Man kann sich dieser Eigenschaften z.B. zur Darstellung von Dauerwellen in lebendem oder totem Haar auf kaltem Wege oder auch zum Glätten von naturkrausem Haar, z.B. bei Negern, bedienen. Eine andere Anwendungsmöglichkeit ist das Entfernen von Haaren u.dgl. Schliesslich lässt sich durch Behandlung der erweichten Skleroproteine mit Aldehyden, wie Formaldehyd oder Alkylendihalogeniden, auch die Beständigkeit gegen chemische Einflüsse, z.B. die Alkalifestigkeit von Wolle ganz erheblich steigern. Auch lassen sich in die behandelten Proteine vielfach Farbstoffe, Mottenschutzmittel u.dgl. besser einbauen.The present invention can be exploited in many ways. For example, sulfur-containing scleroproteins treated with the alkyl esters of thiocarbon acids can be deformed, which have lost their elasticity, and the softening effect can then be reversed by reoxidation or reaction with aldehydes or alkylene dihalides. The scleroproteins then remain in the deformed state while regaining their elastic properties. These properties can be used, for example, to display permanent waves in living or dead hair in a cold way or to straighten naturally frizzy hair, e.g. in negroes. Another possible application is the removal of hair and the like. Finally, by treating the softened scleroproteins with aldehydes such as formaldehyde or alkylene dihalides, the resistance to chemical influences, e.g. the alkali resistance of wool, can be increased considerably. In many cases, dyes, moth repellants and the like can also be better incorporated into the treated proteins.
Beispiel 1example 1
10 g Trithiokohlensäure-bis-(carboxymethylester) werden unter Zusatz von 15 ccm konz. Ammoniak mit Wasser zu 100 ccm Lösung gelöst.10 g of trithiocarbonic acid bis (carboxymethyl ester) are concentrated with the addition of 15 ccm. Ammonia dissolved with water to make a 100 cc solution.
Zur Anfertigung einer kalten Dauerwelle wird das lebende menschliche Haar auf etwa 50-60 Papierwickeln von Bleistiftstärke aufgewickelt und danach mit der vorgenannten Lösung durchfeuchtet. Zur Stauung der Körperwärme wir um das Haar ein trockenes Tuch gelegt. Nach etwa einer Stunde wird gewaschen und die Erweichung des Keratins durch mehrmaliges Behandeln des Haares mit verdünnter Wasserstoffsuperoxydlösung aufgehoben und dadurch das Haar in der Wellenform fixiert. Nach einer gründlichen Kopfwäsche ist das Haar bleibend in Form einer Krause gewellt. Den Verlauf der Wellenform kann man durch kürzere oder längeres Stehenlassen der Lösung vor dem Gebrauch regulieren.To make a cold permanent wave, use the living one human hair wound on about 50-60 paper rolls of pencil thickness and then moistened with the aforementioned solution. A dry cloth is placed around the hair to retain body heat. After about an hour, the hair is washed and the softening of the keratin is reversed by treating the hair several times with dilute hydrogen peroxide solution, thereby fixing the hair in the wave shape. After a thorough head wash, the hair is permanently wavy in the form of a frizze. The course of the waveform can be regulated by letting the solution stand for a shorter or longer period of time before use.
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Claims (7)
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