DE902669C - Process for the irreversible shape change of sulfur-containing scleroproteins - Google Patents
Process for the irreversible shape change of sulfur-containing scleroproteinsInfo
- Publication number
- DE902669C DE902669C DEW8438A DEW0008438A DE902669C DE 902669 C DE902669 C DE 902669C DE W8438 A DEW8438 A DE W8438A DE W0008438 A DEW0008438 A DE W0008438A DE 902669 C DE902669 C DE 902669C
- Authority
- DE
- Germany
- Prior art keywords
- sulfur
- shape change
- scleroproteins
- irreversible shape
- oxidation
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/04—Preparations for permanent waving or straightening the hair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/415—Aminophenols
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur irreversiblen Formveränderung von schwefelhaltigen Skleroproteinen Die Verformung von Keratinfasern, wie z. B. tierischen und menschlichen Haaren, kann durch ammoniakalische Thioglykolatlösungen erfolgen oder auch durch ammoniakalische Lösungen anderer SH-Gruppen enthaltender Verbindungen, wie beispielsweise Thiomilchsäuren, Thioglycerin und ähnliche mehr. Die Wirkungsweise aller dieser Verbindungen besteht bekanntlich in der Reduktion der Disulfidgruppen, wodurch eine Verformung der Skleroproteine möglich wird. Um diese Verformung haltbar zu machen, müssen durch Oxydation neue Disulfidbrücken wieder gebildet werden.Process for the irreversible change in shape of sulfur-containing scleroproteins the Deformation of keratin fibers, such as B. animal and human hair, can by ammoniacal thioglycolate solutions or by ammoniacal ones Solutions of other compounds containing SH groups, such as thiolactic acids, Thioglycerin and the like. The mode of action of all of these compounds exists known in the reduction of disulfide groups, causing a deformation of the scleroproteins becomes possible. In order to make this deformation durable, new ones have to be made by oxidation Disulfide bridges are formed again.
Außerdem muß der Überschuß des Reduktionsmittels selbst ebenfalls durch Oxydation unschädlich gemacht werden, damit nicht nachträglich eine erneute schleichende Verformung und damit eine gänzliche oder teilweise Aufhebung des gewünschten Effektes erfolgt. Man kann diese Oxydationsvorgänge durch Vermittlung des Luftsauerstoffs stattfinden lassen. Diese Art von Oxydation ist nämlich zweifellos für das Haar wesentlich unschädlicher, als etwa die Anwendung starker Oxydationsmittel, wie beispielsweise Wasserstoffperoxyd oder Kaliumbromat und ähnliche sauerstoffabgebende Mittel mehr. Um den Sauerstoff der Luft in geeigneter Weise zur Reaktion zu bringen, kann man Katalysatoren einsetzen, wie z. B. Mangansalze.In addition, the excess of the reducing agent itself must also can be rendered harmless by oxidation, so that a new one cannot be used afterwards creeping deformation and thus a complete or partial cancellation of the desired Effect takes place. One can do this oxidation process through the mediation of the atmospheric oxygen let take place. Indeed, this kind of oxidation is undoubtedly for the hair much less harmful than the use of strong oxidizing agents such as, for example Hydrogen peroxide or potassium bromate and other similar oxygen-releasing agents. In order to react the oxygen in the air in a suitable manner, one can Use catalysts, such as B. Manganese salts.
Die Anwendung solcher Kationen als Oxydationskatalysatoren scheint verschiedene Nachteile zu haben. So können diese durch verschiedene Zusätze, die sich in den Kaltwellflüssigkeiten befin- den, abgebunden und damit unwirksam gemacht werden. Eine solche Blockierung dieser Katalysatoren kann auf dem Haar etwa durch Adsorption erfolgen. The use of such cations as oxidation catalysts appears having various disadvantages. So this can be done by various additives that are in the cold wave fluids den, tied and with it be made ineffective. Such a blockage of these catalysts can occur the hair can be done by adsorption.
Untersuchungen haben gezeigt, daß die Oxydation von SH-Gruppen sowohl bei Cystein als auch hei Thioglykolsäure im sauren Gebiet durch 4-Amino-2-Methylnaphfflol-hydrochlorid besdl leunigt wird. Research has shown that the oxidation of SH groups both with cysteine as well as with thioglycolic acid in the acidic area by 4-amino-2-methylnaphfflol hydrochloride besdl is committed.
Beispiel Das -Amino-2-methylnaphthol wird in Form einer sauren Spülung angewandt, indem man beispielsweise das Haar, auf dem sich noch die Kaltwellflüssigkeit befindet, mit einer Lösung von 4-Amino-2-methylnaphflol-hydrochlorid behandelt und dann einen Luftstrom einwirken läßt. Example The -amino-2-methylnaphthol is in the form of an acidic rinse applied by, for example, the hair on which there is still the cold wave liquid located, treated with a solution of 4-amino-2-methylnaphflol hydrochloride and then let a stream of air act.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW8438A DE902669C (en) | 1951-08-17 | 1951-08-17 | Process for the irreversible shape change of sulfur-containing scleroproteins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW8438A DE902669C (en) | 1951-08-17 | 1951-08-17 | Process for the irreversible shape change of sulfur-containing scleroproteins |
Publications (1)
Publication Number | Publication Date |
---|---|
DE902669C true DE902669C (en) | 1954-01-25 |
Family
ID=7593850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW8438A Expired DE902669C (en) | 1951-08-17 | 1951-08-17 | Process for the irreversible shape change of sulfur-containing scleroproteins |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE902669C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1021979B (en) * | 1954-01-29 | 1958-01-02 | Gillette Co | Method and means for permanently changing the shape of human hair |
-
1951
- 1951-08-17 DE DEW8438A patent/DE902669C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1021979B (en) * | 1954-01-29 | 1958-01-02 | Gillette Co | Method and means for permanently changing the shape of human hair |
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