DE19810889A1 - Sunscreen with improved stability and transparency - Google Patents
Sunscreen with improved stability and transparencyInfo
- Publication number
- DE19810889A1 DE19810889A1 DE19810889A DE19810889A DE19810889A1 DE 19810889 A1 DE19810889 A1 DE 19810889A1 DE 19810889 A DE19810889 A DE 19810889A DE 19810889 A DE19810889 A DE 19810889A DE 19810889 A1 DE19810889 A1 DE 19810889A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- esters
- fatty
- linear
- alcohols
- 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.)
- Ceased
Links
- 230000000475 sunscreen effect Effects 0.000 title claims abstract description 8
- 239000000516 sunscreening agent Substances 0.000 title claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 64
- 239000000194 fatty acid Substances 0.000 claims abstract description 64
- 229930195729 fatty acid Natural products 0.000 claims abstract description 64
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 59
- 229920001522 polyglycol ester Polymers 0.000 claims abstract description 17
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 15
- -1 aromatic carboxylic acids Chemical class 0.000 claims description 59
- 125000004432 carbon atom Chemical group C* 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 34
- 125000000217 alkyl group Chemical group 0.000 claims description 30
- 150000002148 esters Chemical class 0.000 claims description 26
- 239000003921 oil Substances 0.000 claims description 25
- 235000019198 oils Nutrition 0.000 claims description 25
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 23
- 150000002191 fatty alcohols Chemical class 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 18
- 239000003995 emulsifying agent Substances 0.000 claims description 14
- 150000001298 alcohols Chemical class 0.000 claims description 12
- 229920005862 polyol Polymers 0.000 claims description 12
- 150000003077 polyols Chemical class 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
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- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 9
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 8
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- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 6
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- 239000003513 alkali Substances 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 125000005210 alkyl ammonium group Chemical group 0.000 claims description 4
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
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- 150000004760 silicates Chemical class 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
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- 235000019149 tocopherols Nutrition 0.000 claims description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 2
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- 235000019154 vitamin C Nutrition 0.000 claims description 2
- 239000011718 vitamin C Substances 0.000 claims description 2
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- 239000011787 zinc oxide Substances 0.000 claims description 2
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- 150000003458 sulfonic acid derivatives Chemical class 0.000 claims 2
- OIQXFRANQVWXJF-QBFSEMIESA-N (2z)-2-benzylidene-4,7,7-trimethylbicyclo[2.2.1]heptan-3-one Chemical compound CC1(C)C2CCC1(C)C(=O)\C2=C/C1=CC=CC=C1 OIQXFRANQVWXJF-QBFSEMIESA-N 0.000 claims 1
- 150000005418 4-aminobenzoic acid derivatives Chemical class 0.000 claims 1
- UVCJGUGAGLDPAA-UHFFFAOYSA-N ensulizole Chemical compound N1C2=CC(S(=O)(=O)O)=CC=C2N=C1C1=CC=CC=C1 UVCJGUGAGLDPAA-UHFFFAOYSA-N 0.000 claims 1
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- C07C305/10—Esters of sulfuric acids having oxygen atoms of sulfate groups bound to acyclic carbon atoms of a carbon skeleton being acyclic and saturated being further substituted by singly-bound oxygen atoms
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- A—HUMAN NECESSITIES
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
-
- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
- A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
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- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
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Abstract
Description
Die Erfindung betrifft Sonnenschutzmittel, enthaltend Ölkörper, ausgewählte anionische Emulgatoren und UV-Lichtschutzfilter sowie die Verwendung dieser Mischungen zur Herstellung von Sonnen schutzmitteln.The invention relates to sunscreens containing oil bodies, selected anionic emulsifiers and UV light protection filters and the use of these mixtures for the production of suns preservatives.
Die Pigmentierung normaler Haut führt unter dem Einfluß von Sonnenstrahlung zur Bildung von Mela ninen. Dabei ruft die Bestrahlung mit langwelligem UV-A Licht die Dunkelung der in der Epidermis be reits vorhandenen Melaninkörper hervor, ohne daß schädigende Folgen zu erkennen sind, während die kurzwellige UV-B Strahlung die Bildung neuen Melanins bewirkt. Ehe das schützende Pigment jedoch gebildet werden kann, unterliegt die Haut der Einwirkung der ungefilterten Strahlung, die je nach Expositionsdauer zu Hautrötungen (Erythemen), Hautentzündungen (Sonnenbrand) oder gar Brand blasen führen kann. Die mit derartigen Hautläsionen verbundenen Belastungen des Organismus, bei spielsweise im Zusammenhang mit der Ausschüttung von Histaminen, kann zusätzlich zu Kopfschmer zen, Mattigkeit, Fieber, Herz- und Kreislaufstörungen und dergleichen führen. Für den Verbraucher, der sich vor den schädlichen Aspekten der Sonneneinstrahlung schützen will, bietet der Markt eine Vielzahl von Produkten, bei denen es sich ganz überwiegend um Öle und milchige Emulsionen handelt, die neben einigen Pflegestoffen vor allem UV-Lichtschutzfilter enthalten. Übersichten hierzu finden sich beispielsweise von P. Finkel in Parf. Kosm. 76, 432 (1995) und S. Schauder in Parf. Kosm. 76, 490 (1995).The pigmentation of normal skin leads to the formation of mela under the influence of solar radiation ninen. Irradiation with long-wave UV-A light causes the darkening of the epidermis already existing melanin body without recognizing damaging consequences, while the Short-wave UV-B radiation causes the formation of new melanins. Before the protective pigment, however can be formed, the skin is subject to exposure to unfiltered radiation, which depends on Duration of exposure to reddened skin (erythema), skin inflammation (sunburn) or even fire blow can lead. The stress on the organism associated with such skin lesions for example in connection with the release of histamines, can in addition to headache zen, weariness, fever, cardiovascular disorders and the like. For the consumer who to protect itself from the harmful aspects of solar radiation, the market offers a variety of products that are predominantly oils and milky emulsions that in addition to some care substances, especially contain UV light protection filters. There are overviews of this for example by P. Finkel in Parf. Cosm. 76, 432 (1995) and S. Schauder in Parf. Cosm. 76, 490 (1995).
Dennoch besteht im Markt weiterhin das Bedürfnis nach Produkten mit einem verbesserten Leistungs spektrum. Besonderes Interesse gilt dabei Zubereitungen, die die Einarbeitung von größeren Mengen UV-Lichtschutzfiltern erlauben, ohne daß im Laufe der Lagerung eine Phasentrennung bzw. eine Se dimentation stattfindet. Eine nach der Phaseninversionstemperaturmethode hergestellte Formulierung, wie beispielsweise in der Europäischen Patentanmeldung EP-A1 066 144 (L'Oreal) beschrieben, neigt bei der Einarbeitung von größeren Mengen Titandioxid sehr rasch zur Ausscheidung des dispergierten Feststoffes. Ein weiteres Problem besteht darin, daß viele UV-Lichtschutzfilter mit den weiteren Bestandteilen der Rezeptur in Wechselwirkung treten können, was zu einer chemischen Reaktion und ebenfalls zu einer Abnahme der Lagerbeständigkeit führt. Schließlich wünscht der Verbraucher trans parente Formulierungen, die auch gegenüber sehr empfindlicher Haut eine hohe hautkosmetische Ver träglichkeit aufweisen. Die komplexe Aufgabe der Erfindung hat somit darin bestanden, Sonnen schutzmittel zur Verfügung zu stellen, die sich gleichzeitig durch besondere Phasenstabilität, Lager beständigkeit, Transparenz und Verträglichkeit gegenüber empfindlicher Haut auszeichnen.However, there is still a need in the market for products with improved performance spectrum. Of particular interest is preparations that incorporate larger quantities Allow UV light protection filters without phase separation or Se during storage dimentation takes place. A formulation made by the phase inversion temperature method, as described for example in European patent application EP-A1 066 144 (L'Oreal) when incorporating larger quantities of titanium dioxide very quickly to remove the dispersed Solid. Another problem is that many UV filters with the others Components of the formulation can interact, leading to a chemical reaction and also leads to a decrease in shelf life. After all, the consumer wants trans Parent formulations that have a high skin cosmetic ver have inertness. The complex object of the invention was thus to sunbathe to provide protective agents that are simultaneously characterized by special phase stability, bearings Characterize resistance, transparency and tolerance to sensitive skin.
Gegenstand der Erfindung sind Sonnenschutzmittel, enthaltend
The invention relates to sunscreens containing
- (a) Ölkörper,(a) oil body,
- (b) Fettsäurepolyglycolestersulfate und(b) fatty acid polyglycol ester sulfates and
- (c) UV-Lichtschutzfilter.(c) UV light protection filter.
Überraschenderweise wurde gefunden, daß Zubereitungen der geschilderten Art, vorzugsweise in Form von O/W-Mikroemulsionen, selbst bei Einarbeitung größerer Mengen UV-Lichtschutzmittel äußerst lagerbeständig sind und sich durch eine besonders hohe hautkosmetische Verträglichkeit aus zeichnen. Aufgrund ihrer Feinteiligkeit sind sie zudem transparent, was zum ästhetischen Erschei nungsbild der Produkte beiträgt. Die Erfindung schließt die Erkenntnis ein, daß besonders vorteilhafte Zubereitungen erhalten werden, wenn man als Emulgatoren Mischungen von (b1) Fettsäurepoly glycolestersulfaten und (b2) Fettsäuremonoglycerid(ether)sulfaten, Alkylethersulfaten, und/oder Alkyl oligoglucosiden im Gewichtsverhältnis 10 : 90 bis 90 : 10 und vorzugsweise 25 : 75 bis 75 : 25 einsetzt.Surprisingly, it was found that preparations of the type described, preferably in Form of O / W microemulsions, even when larger quantities of UV light stabilizers are incorporated are extremely stable in storage and are characterized by a particularly high level of skin cosmetic compatibility to draw. Due to their fineness, they are also transparent, which makes them aesthetically pleasing product image. The invention includes the finding that particularly advantageous Preparations are obtained when mixtures of (b1) fatty acid poly as emulsifiers glycol ester sulfates and (b2) fatty acid monoglyceride (ether) sulfates, alkyl ether sulfates, and / or alkyl oligoglucosides in a weight ratio of 10:90 to 90:10 and preferably 25:75 to 75:25.
Als Ölkörper kommen Guerbetalkohole auf Basis von Fettalkoholen mit 6 bis 18, vorzugsweise 8 bis 10 Kohlenstoffatomen, Ester von linearen C6-C22-Fettsäuren mit linearen C6-C22-Fettalkoholen, Ester von verzweigten C6-C13-Carbonsäuren mit linearen C6-C22-Fettalkoholen, Ester von linearen C6-C22-Fett säuren mit verzweigten Alkoholen, insbesondere 2-Ethylhexanol, Ester von linearen und/oder ver zweigten Fettsäuren mit mehrwertigen Alkoholen (wie z. B. Propylenglycol, Dimerdiol oder Trimertriol) und/oder Guerbetalkoholen, Triglyceride auf Basis C6-C10-Fettsäuren, flüssige Mono-/Di-/Triglycerid mischungen auf Basis von C6-C18-Fettsäuren, Ester von C6-C22-Fettalkoholen und/oder Guerbetalko holen mit aromatischen Carbonsäuren, insbesondere Benzoesäure, Ester von C2-C12-Dicarbonsäuren mit linearen oder verzweigten Alkoholen mit 1 bis 22 Kohlenstoffatomen oder Polyolen mit 2 bis 10 Kohlenstoffatomen und 2 bis 6 Hydroxylgruppen, pflanzliche Öle, verzweigte primäre Alkohole, sub stituierte Cyclohexane, lineare C6-C22-Fettalkoholcarbonate, Guerbetcarbonate, Ester der Benzoesäure mit linearen und/oder verzweigten C6-C22-Alkoholen (z. B. Finsolv® TN), Dialkylether, Ringöffnungs produkte von epoxidierten Fettsäureestern mit Polyolen, Siliconöle und/oder aliphatische bzw. naph thenische Kohlenwasserstoffe in Betracht. Als Ölkörper können ferner auch Siliconverbindungen eingesetzt werden, beispielsweise Dimethylpolysiloxane, Methylphenylpolysiloxane, cyclische Silicone sowie amino-, fettsäure-, alkohol-, polyether-, epoxy-, fluor-, alkyl- und/oder glykosidmodifizierte Siliconverbindungen, die bei Raumtemperatur sowohl flüssig als auch harzförmig vorliegen können. Die Ölkörper können in den erfindungsgemäßen Mitteln in Mengen von 1 bis 90, vorzugsweise 5 bis 75 und insbesondere 10 bis 50 Gew.-% - bezogen auf den nicht-wäßrigen Anteil - enthalten sein.Guerbet alcohols based on fatty alcohols with 6 to 18, preferably 8 to 10 carbon atoms, esters of linear C 6 -C 22 fatty acids with linear C 6 -C 22 fatty alcohols, esters of branched C 6 -C 13 carboxylic acids come as oil bodies linear C 6 -C 22 fatty alcohols, esters of linear C 6 -C 22 fatty acids with branched alcohols, especially 2-ethylhexanol, esters of linear and / or branched fatty acids with polyhydric alcohols (such as propylene glycol, dimer diol or trimer triol) and / or Guerbet alcohols, triglycerides based on C 6 -C 10 fatty acids, liquid mono- / di- / triglyceride mixtures based on C 6 -C 18 fatty acids, esters of C 6 -C 22 fatty alcohols and / or Guerbetalko bring with aromatic carboxylic acids, especially benzoic acid, esters of C 2 -C 12 dicarboxylic acids with linear or branched alcohols with 1 to 22 carbon atoms or polyols with 2 to 10 carbon atoms and 2 to 6 hydroxyl groups, vegetable oils, ve branched primary alcohols, substituted cyclohexanes, linear C 6 -C 22 fatty alcohol carbonates, Guerbet carbonates, esters of benzoic acid with linear and / or branched C 6 -C 22 alcohols (e.g. B. Finsolv® TN), dialkyl ethers, ring opening products of epoxidized fatty acid esters with polyols, silicone oils and / or aliphatic or naphthenic hydrocarbons. Silicone compounds can also be used as oil bodies, for example dimethylpolysiloxanes, methylphenylpolysiloxanes, cyclic silicones and amino, fatty acid, alcohol, polyether, epoxy, fluorine, alkyl and / or glycoside-modified silicone compounds which are both liquid and at room temperature can be resinous. The oil bodies can be present in the agents according to the invention in amounts of 1 to 90, preferably 5 to 75 and in particular 10 to 50% by weight, based on the non-aqueous fraction.
Fettsäurepolyglycolestersulfate werden durch Sulfatierung der entsprechenden Fettsäurepolyglycol ester hergestellt. Diese wiederum sind nach den einschlägigen präparativen Verfahren der organischen Chemie erhältlich. Hierzu wird Ethylenoxid, Propylenoxid oder deren Gemisch - in random- oder Block verteilung - an die entsprechenden Fettsäuren angelagert, wobei diese Reaktion säurekatalysiert, vor zugsweise aber in Gegenwart von Basen, wie z. B. Natriummethylat oder calciniertem Hydrotalcit er folgt. Wird ein Alkoxylierungsgrad von 1 gewünscht, können die Zwischenprodukte auch durch Vereste rung der Fettsäuren mit einem entsprechenden Alkylenglycol hergestellt werden. Die Sulfatierung der Fettsäurepolyglycolester kann in an sich bekannter Weise mit Chlorsulfonsäure, Amidosulfonsäure oder vorzugsweise gasförmigem Schwefeltrioxid durchgeführt werden, wobei das molare Einsatzverhältnis zwischen Fettsäurepolyglycolester und Sulfatierungsmittel im Bereich von 1 : 0,95 bis 1 : 1,2, vorzugs weise 1 : 1 bis 1 : 1,1 und die Reaktionstemperatur 30 bis 80 und vorzugsweise 50 bis 60°C betragen kann. Es ist ferner möglich, die Fettsäurepolyglycolester zu untersulfatieren, d. h. deutlich weniger Sul fatierungsmittel einzusetzen, als dies für eine vollständige Umsetzung stöchiometrisch erforderlich wä re. Wählt man beispielsweise molare Einsatzmengen von Fettsäurepolyglycolester zu Sulfatierungs mittel von 1 : 0,5 bis 1 : 0,95 werden Mischungen von Fettsäurepolyglycolestersulfaten und Fettsäure polyglycolestern erhalten, die für eine ganze Reihe von Anwendungen ebenfalls vorteilhaft sind. Um ei ne Hydrolyse zu vermeiden ist es dabei sehr wichtig, die Neutralisation bei einem pH-Wert im Bereich von 5 bis 9, vorzugsweise 7 bis 8 durchzuführen. Typische Beispiele für geeignete Ausgangsstoffe sind die Anlagerungsprodukte von 1 bis 3 Mol Ethylenoxid und/oder Propylenoxid, vorzugsweise aber die Addukte mit 1 Mol Ethylenoxid oder 1 Mol Propylenoxid an Capronsäure, Caprylsäure, 2-Ethylhexan säure, Caprinsäure, Laurinsäure, Isotridecansäure, Myristinsäure, Palmitinsäure, Palmoleinsäure, Stea rinsäure, Isostearinsäure, Ölsäure, Elaidinsäure, Petroselinsäure, Linolsäure, Linolensäure, Elaeostea rinsäure, Arachinsäure, Gadoleinsäure, Behensäure und Erucasäure sowie deren technische Mi schungen, die dann wie oben beschrieben sulfatiert und neutralisiert werden. Vorzugsweise werden Fettsäurepolyglycolestersulfate der Formel (I) eingesetzt, in der R1CO für einen Acylrest mit 12 bis 14 bzw. 12 bis 18 Kohlenstoffatomen, x für durchschnittlich 1 oder 2, AO für eine CH2CH2O-Gruppe und X für Natrium oder Ammonium steht, wie beispielsweise Laurinsäure+1EO-sulfat-Natriumsalz, Laurin säure+1EO-sulfat-Ammoniumsalz, Kokosfettsäure+1EO-sulfat-Natriumsalz, Kokosfettsäure+1EO-sul fat-Ammoniumsalz, Talgfettsäure+1EO-sulfat-Natriumsalz, Talgfettsäure+1EO-sulfat-Ammoniumsalz sowie deren Mischungen. Der Anteil der Fettsäurepolyglycolestersulfate liegt üblicherweise - bezogen auf den nicht wäßrigen Teil - bei 10 bis 90, vorzugsweise 25 bis 75 und insbesondere 40 bis 60 Gew.-%.Fatty acid polyglycol ester sulfates are produced by sulfating the corresponding fatty acid polyglycol esters. These in turn can be obtained using the relevant preparative processes in organic chemistry. For this purpose, ethylene oxide, propylene oxide or a mixture thereof - in random or block distribution - is added to the corresponding fatty acids, this reaction being acid-catalyzed, but preferably in the presence of bases such as, for. B. sodium methylate or calcined hydrotalcite it follows. If a degree of alkoxylation of 1 is desired, the intermediates can also be prepared by esterifying the fatty acids with an appropriate alkylene glycol. The sulfation of the fatty acid polyglycol esters can be carried out in a manner known per se with chlorosulfonic acid, amidosulfonic acid or preferably gaseous sulfur trioxide, the molar ratio between fatty acid polyglycol ester and sulfating agent being in the range from 1: 0.95 to 1: 1.2, preferably 1: 1 to 1: 1.1 and the reaction temperature can be 30 to 80 and preferably 50 to 60 ° C. It is also possible to undersulfate the fatty acid polyglycol esters, ie to use significantly fewer sulfating agents than would be stoichiometrically required for complete implementation. For example, if one chooses molar amounts of fatty acid polyglycol ester to sulfating agent from 1: 0.5 to 1: 0.95, mixtures of fatty acid polyglycol ester sulfates and fatty acid polyglycol esters are obtained, which are also advantageous for a whole range of applications. In order to avoid hydrolysis, it is very important to carry out the neutralization at a pH in the range from 5 to 9, preferably 7 to 8. Typical examples of suitable starting materials are the addition products of 1 to 3 moles of ethylene oxide and / or propylene oxide, but preferably the adducts with 1 mole of ethylene oxide or 1 mole of propylene oxide with caproic acid, caprylic acid, 2-ethylhexanoic acid, capric acid, lauric acid, isotridecanoic acid, myristic acid, palmitic acid , Palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, arachidic acid, gadoleic acid, behenic acid and erucic acid and their technical mixtures, which are then sulfated and neutralized as described above. Fatty acid polyglycol ester sulfates of the formula (I) are preferably used in which R 1 CO for an acyl radical having 12 to 14 or 12 to 18 carbon atoms, x for an average of 1 or 2, AO for a CH 2 CH 2 O group and X for sodium or ammonium, such as, for example, lauric acid + 1EO sulfate sodium salt, lauric acid + 1EO sulfate ammonium salt, coconut fatty acid + 1EO sulfate sodium salt, coconut fatty acid + 1EO sulfate ammonium salt, tallow fatty acid + 1EO sulfate sodium salt, tallow fatty acid + 1EO sulfate ammonium salt and mixtures thereof. The proportion of fatty acid polyglycol ester sulfates is usually - based on the non-aqueous part - 10 to 90, preferably 25 to 75 and in particular 40 to 60% by weight.
Monoglyceridsulfate und Monoglyceridethersulfate, die als anionische Co-Emulgatoren in Betracht
kommen, stellen bekannte anionische Tenside dar, die nach den einschlägigen Methoden der prä
parativen organischen Chemie erhalten werden können. Üblicherweise geht man zu ihrer Herstellung
von Triglyceriden aus, die gegebenenfalls nach Ethoxylierung zu den Monoglyceriden umgeestert und
nachfolgend sulfatiert und neutralisiert werden. Gleichfalls ist es möglich, die Partialglyceride mit
geeigneten Sulfatierungsmitteln, vorzugsweise gasförmiges Schwefeltrioxid oder Chlorsulfonsäure um
zusetzen [vgl. EP-B1 0561825, EP-B1 0561999 (Henkel)]. Die neutralisierten Stoffe können - falls ge
wünscht - einer Ultrafiltration unterworfen werden, um den Elektrolytgehalt auf ein gewünschtes Maß zu
vermindern [DE-A1 42 04 700 (Henkel)]. Übersichten zur Chemie der Monoglyceridsulfate sind beispiels
weise von A.K. Biswas et al. in J. Am. Oil. Chem. Soc. 37, 171 (1960) und F.U. Ahmed, J. Am. Oil. Chem.
Soc. 67, 8 (1990) erschienen. Die im Sinne der Erfindung einzusetzenden Monoglycerid(ether)sulfate
folgen vorzugsweise der Formel (II),
Monoglyceride sulfates and monoglyceride ether sulfates, which are suitable as anionic co-emulsifiers, are known anionic surfactants which can be obtained by the relevant methods of preparative organic chemistry. The usual starting point for their preparation is triglycerides, which, if appropriate, are transesterified to the monoglycerides after ethoxylation and subsequently sulfated and neutralized. It is also possible to react the partial glycerides with suitable sulfating agents, preferably gaseous sulfur trioxide or chlorosulfonic acid [cf. EP-B1 0561825, EP-B1 0561999 (Henkel)]. If desired, the neutralized substances can be subjected to ultrafiltration in order to reduce the electrolyte content to a desired level [DE-A1 42 04 700 (Henkel)]. Overviews of the chemistry of the monoglyceride sulfates are, for example, by AK Biswas et al. in J. Am. Oil. Chem. Soc. 37, 171 (1960) and FU Ahmed, J. Am. Oil. Chem. Soc. 67, 8 (1990). The monoglyceride (ether) sulfates to be used in accordance with the invention preferably follow the formula (II),
in der R1CO für einen linearen oder verzweigten Acylrest mit 6 bis 22 Kohlenstoffatomen, x, y und z in Summe für 0 oder für Zahlen von 1 bis 30, vorzugsweise 2 bis 10, und X für ein Alkali- oder Erdalka limetall steht. Typische Beispiele für im Sinne der Erfindung geeignete Monoglycerid(ether)sulfate sind die Umsetzungsprodukte von Laurinsäuremonoglycerid, Kokosfettsäuremonoglycerid, Palmitinsäure monoglycerid, Stearinsäuremonoglycerid, Ölsäuremonoglycerid und Talgfettsäuremonoglycerid sowie deren Ethylenoxidaddukte mit Schwefeltrioxid oder Chlorsulfonsäure in Form ihrer Natriumsalze. Vor zugsweise werden Monoglyceridsulfate der Formel (II) eingesetzt, in der R2CO für einen linearen Acyl rest mit 8 bis 18 Kohlenstoffatomen steht. in which R 1 CO stands for a linear or branched acyl radical with 6 to 22 carbon atoms, x, y and z in total for 0 or for numbers from 1 to 30, preferably 2 to 10, and X for an alkali or alkaline earth metal. Typical examples of monoglyceride (ether) sulfates suitable for the purposes of the invention are the reaction products of lauric acid monoglyceride, coconut fatty acid monoglyceride, palmitic acid monoglyceride, stearic acid monoglyceride, oleic acid monoglyceride and tallow fatty acid monoglyceride as well as their ethylene oxide adducts or their formulated with sulfuric acid trioxide. Before preferably monoglyceride sulfates of the formula (II) are used in which R 2 CO stands for a linear acyl radical having 8 to 18 carbon atoms.
Alkylethersulfate ("Ethersulfate"), die ebenfalls als anionische Co-Emulgatoren in Betracht kommen,
stellen bekannte Tenside dar, die großtechnisch durch SO3- oder Chlorsulfonsäure(CSA)-Sulfatierung
von Fettalkohol- oder Oxoalkoholpolyglycolethern und nachfolgende Neutralisation hergestellt werden.
Im Sinne der Erfindung kommen Ethersulfate in Betracht, die der Formel (III) folgen,
Alkyl ether sulfates ("ether sulfates"), which are also suitable as anionic co-emulsifiers, are known surfactants which are produced on an industrial scale by SO 3 - or chlorosulfonic acid (CSA) sulfation of fatty alcohol or oxo alcohol polyglycol ethers and subsequent neutralization. For the purposes of the invention, ether sulfates which follow the formula (III) are suitable
R3O-(CH2CH2O)mSO3X (III)
R 3 O- (CH 2 CH 2 O) m SO 3 X (III)
in der R3 für einen linearen oder verzweigten Alkyl- und/oder Alkenylrest mit 6 bis 22 Kohlenstoff atomen, m für Zahlen von 1 bis 10 und X für ein Alkali- und/oder Erdalkalimetall, Ammonium, Alkylam monium, Alkanolammonium oder Glucammonium steht. Typische Beispiele sind die Sulfate von Anlagerungsprodukten von durchschnittlich 1 bis 10 und insbesondere 2 bis 5 Mol Ethylenoxid an Capronalkohol, Caprylalkohol, 2-Ethylhexylalkohol, Caprinalkohol, Laurylalkohol, Isotridecylalkohol, My ristylalkohol, Cetylalkohol, Palmoleylalkohol, Stearylalkohol, Isostearylalkohol, Oleylalkohol, Elaidyl alkohol, Petroselinylalkohol, Arachylalkohol, Gadoleylalkohol, Behenylalkohol, Erucylalkohol und Bras sidylalkohol sowie deren technische Mischungen, in Form ihrer Natrium- und/oder Magnesiumsalze. Die Ethersulfate können dabei sowohl eine konventionelle als auch eine eingeengte Homologen verteilung aufweisen. Besonders bevorzugt ist der Einsatz von Ethersulfaten auf Basis von Addukten von durchschnittlich 2 bis 3 Mol Ethylenoxid an technische C12/14- bzw. C12/18-Kokosfettalkoholfraktio nen in Form ihrer Natrium- und/oder Magnesiumsalze.in which R 3 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22 carbon atoms, m represents numbers from 1 to 10 and X represents an alkali metal and / or alkaline earth metal, ammonium, alkyl ammonium, alkanolammonium or glucammonium. Typical examples are the sulfates of addition products with an average of 1 to 10 and in particular 2 to 5 moles of ethylene oxide with capron alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostyl alcohol, ela-alcohol alcohol, ela-alcohol alcohol, ela-alcohol alcohol, ela-alcohol alcohol, Petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and Bras sidyl alcohol and their technical mixtures, in the form of their sodium and / or magnesium salts. The ether sulfates can have both a conventional and a narrow homolog distribution. It is particularly preferred to use ether sulfates based on adducts of an average of 2 to 3 mol ethylene oxide with technical C 12/14 or C 12/18 coconut fatty alcohol fractions in the form of their sodium and / or magnesium salts.
Alkyl- und Alkenyloligoglykoside, die als nichtionische Co-Emulgatoren in Betracht kommen, stellen be
kannte Tenside dar, die der Formel (IV) folgen,
Alkyl and alkenyl oligoglycosides which are suitable as nonionic co-emulsifiers are known surfactants which follow the formula (IV)
R4O-[G]p (IV)
R 4 O- [G] p (IV)
in der R4 für einen Alkyl- und/oder Alkenylrest mit 4 bis 22 Kohlenstoffatomen, G für einen Zuckerrest mit 5 oder 6 Kohlenstoffatomen und p für Zahlen von 1 bis 10 steht. Sie können nach den einschlä gigen Verfahren der präparativen organischen Chemie erhalten werden. Stellvertretend für das umfang reiche Schrifttum sei hier auf die Schriften EP-A1 0301298 und WO 90/03977 verwiesen. Die Alkyl- und/oder Alkenyloligoglykoside können sich von Aldosen bzw. Ketosen mit 5 oder 6 Kohlenstoff atomen, vorzugsweise der Glucose ableiten. Die bevorzugten Alkyl- und/oder Alkenyloligoglykoside sind somit Alkyl- und/oder Alkenyloligoglucoside. Die Indexzahl p in der allgemeinen Formel (IV) gibt den Oligomerisierungsgrad (DP), d. h. die Verteilung von Mono- und Oligoglykosiden an und steht für eine Zahl zwischen 1 und 10. Während p in einer gegebenen Verbindung stets ganzzahlig sein muß und hier vor allem die Werte p = 1 bis 6 annehmen kann, ist der Wert p für ein bestimmtes Alkyloligoglykosid eine analytisch ermittelte rechnerische Größe, die meistens eine gebrochene Zahl darstellt. Vorzugsweise werden Alkyl- und/oder Alkenyloligoglykoside mit einem mittleren Oligo merisierungsgrad p von 1,1 bis 3,0 eingesetzt. Aus anwendungstechnischer Sicht sind solche Alkyl- und/oder Alkenyloligoglykoside bevorzugt, deren Oligomerisierungsgrad kleiner als 1,7 ist und insbe sondere zwischen 1,2 und 1,4 liegt. Der Alkyl- bzw. Alkenylrest R4 kann sich von primären Alkoholen mit 4 bis 11, vorzugsweise 8 bis 10 Kohlenstoffatomen ableiten. Typische Beispiele sind Butanol, Capronalkohol, Caprylalkohol, Caprinalkohol und Undecylalkohol sowie deren technische Mischungen, wie sie beispielsweise bei der Hydrierung von technischen Fettsäuremethylestern oder im Verlauf der Hydrierung von Aldehyden aus der Roelen'schen Oxosynthese erhalten werden. Bevorzugt sind Alkyloligoglucoside der Kettenlänge C8-C10 (DP = 1 bis 3), die als Vorlauf bei der destillativen Auftrennung von technischem C8-C18-Kokosfettalkohol anfallen und mit einem Anteil von weniger als 6 Gew.-% C12-Alkohol verunreinigt sein können sowie Alkyloligoglucoside auf Basis technischer C9/11-Oxo alkohole (DP = 1 bis 3). Der Alkyl- bzw. Alkenylrest R4 kann sich ferner auch von primären Alko holen mit 12 bis 22, vorzugsweise 12 bis 14 Kohlenstoffatomen ableiten. Typische Beispiele sind Laurylalkohol, Myristylalkohol, Cetylalkohol, Palmoleylalkohol, Stearylalkohol, Isostearylalkohol, Oleyl alkohol, Elaidylalkohol, Petroselinylalkohol, Arachylalkohol, Gadoleylalkohol, Behenylalkohol, Erucyl alkohol, Brassidylalkohol sowie deren technische Gemische, die wie oben beschrieben erhalten werden können. Bevorzugt sind Alkyloligoglucoside auf Basis von gehärtetem C12/14-Kokosalkohol mit einem DP von 1 bis 3.in which R 4 is an alkyl and / or alkenyl radical having 4 to 22 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms and p is a number from 1 to 10. They can be obtained according to the relevant procedures in preparative organic chemistry. As representative of the extensive literature, reference is made here to the documents EP-A1 0301298 and WO 90/03977. The alkyl and / or alkenyl oligoglycosides can be derived from aldoses or ketoses with 5 or 6 carbon atoms, preferably glucose. The preferred alkyl and / or alkenyl oligoglycosides are thus alkyl and / or alkenyl oligoglucosides. The index number p in the general formula (IV) indicates the degree of oligomerization (DP), ie the distribution of mono- and oligoglycosides, and stands for a number between 1 and 10. While p in a given compound must always be an integer, and especially here can assume the values p = 1 to 6, the value p for a certain alkyl oligoglycoside is an analytically determined arithmetic parameter, which usually represents a fractional number. Alkyl and / or alkenyl oligoglycosides with an average degree of oligomerization p of 1.1 to 3.0 are preferably used. From an application point of view, preference is given to those alkyl and / or alkenyl oligoglycosides whose degree of oligomerization is less than 1.7 and in particular is between 1.2 and 1.4. The alkyl or alkenyl radical R 4 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms. Typical examples are butanol, capronic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and their technical mixtures, such as are obtained, for example, in the hydrogenation of technical fatty acid methyl esters or in the course of the hydrogenation of aldehydes from Roelen's oxosynthesis. Alkyl oligoglucosides of chain length C 8 -C 10 (DP = 1 to 3) are preferred, which are obtained as a preliminary step in the separation of technical C 8 -C 18 coconut fatty alcohol by distillation and with a proportion of less than 6% by weight of C 12 - Alcohol can be contaminated and alkyl oligoglucosides based on technical C 9/11 oxo alcohols (DP = 1 to 3). The alkyl or alkenyl radical R 4 can also be derived from primary alcohols having 12 to 22, preferably 12 to 14, carbon atoms. Typical examples are lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, brassidyl alcohol and their technical mixtures, which can be obtained as described above. Alkyl oligoglucosides based on hardened C 12/14 coconut alcohol with a DP of 1 to 3 are preferred.
Der Anteil der genannten Co-Emulgatoren liegt in Summe üblicherweise - bezogen auf den nicht- wäßrigen Teil - bei 5 bis 75, vorzugsweise 10 bis 50 und insbesondere 15 bis 30 Gew.-%.The proportion of the co-emulsifiers mentioned is usually in total - based on the non- aqueous part - at 5 to 75, preferably 10 to 50 and in particular 15 to 30 wt .-%.
Unter UV-Lichtschutzfiltern sind organische Substanzen zu verstehen, die in der Lage sind, ultra
violette Strahlen zu absorbieren und die aufgenommene Energie in Form längerwelliger Strahlung, z. B.
Wärme wieder abzugeben. UVB-Filter können öllöslich oder wasserlöslich sein. Als öllösliche Substan
zen sind z. B. zu nennen:
UV light protection filters are organic substances that are able to absorb ultra violet rays and absorb the energy in the form of longer-wave radiation, e.g. B. to release heat again. UVB filters can be oil-soluble or water-soluble. As oil-soluble substances are z. B. To name:
- - 3-Benzylidencampher und dessen Derivate, z. B. 3-(4-Methylbenzyliden)campher;- 3-Benzylidene camphor and its derivatives, e.g. B. 3- (4-methylbenzylidene) camphor;
- - 4-Aminobenzoesäurederivate, vorzugsweise 4-(Dimethylamino)benzoesäure-2-ethylhexylester, 4-(Di methylamino)benzoesäure-2-octylester und 4-(Dimethylamino)benzoesäureamylester;- 4-aminobenzoic acid derivatives, preferably 4- (dimethylamino) benzoic acid 2-ethylhexyl ester, 4- (di 2-octyl methylamino) benzoate and amyl 4- (dimethylamino) benzoate;
- - Ester der Zimtsäure, vorzugsweise 4-Methoxyzimtsäure-2-ethylhexylester, 4-Methoxyzimtsäureiso pentylester, 2-Cyano-3-phenyl-zimtsäure-2-ethylhexylester (Octocrylene); - Esters of cinnamic acid, preferably 2-ethylhexyl 4-methoxycinnamate, iso-4-methoxycinnamate pentyl ester, 2-cyano-3-phenyl-cinnamic acid 2-ethylhexyl ester (octocrylene);
- - Ester der Salicylsäure, vorzugsweise Salicylsäure-2-ethylhexylester, Salicylsäure-4-isopropylben zylester, Salicylsäurehomomenthylester;- Esters of salicylic acid, preferably salicylic acid 2-ethylhexyl ester, salicylic acid 4-isopropylbene methyl ester, salicylic acid homomethyl ester;
- - Derivate des Benzophenons, vorzugsweise 2-Hydroxy-4-methoxybenzophenon, 2-Hydroxy-4-meth oxy-4'-methylbenzophenon, 2,2'-Dihydroxy-4-methoxybenzophenon;- Derivatives of benzophenone, preferably 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-meth oxy-4'-methylbenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone;
- - Ester der Benzalmalonsäure, vorzugsweise 4-Methoxybenzmalonsäuredi-2-ethylhexylester;- Esters of benzalmalonic acid, preferably di-2-ethylhexyl 4-methoxybenzmalonate;
- - Triazinderivate, wie z. B. 2,4,6-Trianilino-(p-carbo-2'-ethyl-1'-hexyloxy)-1,3,5-triazin und Octyltriazon;- Triazine derivatives, such as. B. 2,4,6-trianilino- (p-carbo-2'-ethyl-1'-hexyloxy) -1,3,5-triazine and octyltriazone;
- - Propan-1,3-dione, wie z. B. 1-(4-tert.Butylphenyl)-3-(4'-methoxyphenyl)propan-1,3-dion.Propane-1,3-diones, such as e.g. B. 1- (4-tert-Butylphenyl) -3- (4'-methoxyphenyl) propane-1,3-dione.
Als wasserlösliche Substanzen kommen in Frage:
Possible water-soluble substances are:
- - 2-Phenylbenzimidazol-5-sulfonsäure und deren Alkali-, Erdalkali-, Ammonium-, Alkylammonium-, Alkanolammonium- und Glucammoniumsalze;- 2-phenylbenzimidazole-5-sulfonic acid and its alkali, alkaline earth, ammonium, alkylammonium, Alkanolammonium and glucammonium salts;
- - Sulfonsäurederivate von Benzophenonen, vorzugsweise 2-Hydroxy-4-methoxybenzophenon-5-sul fonsäure und ihre Salze;- Sulfonic acid derivatives of benzophenones, preferably 2-hydroxy-4-methoxybenzophenone-5-sul fonic acid and its salts;
- - Sulfonsäurederivate des 3-Benzylidencamphers, wie z. B. 4-(2-Oxo-3-bomylidenmethyl)benzolsul fonsäure und 2-Methyl-5-(2-oxo-3-bornyliden)sulfonsäure und deren Salze.- Sulfonic acid derivatives of 3-benzylidene camphor, such as. B. 4- (2-Oxo-3-bomylidenemethyl) benzenesul fonic acid and 2-methyl-5- (2-oxo-3-bornylidene) sulfonic acid and their salts.
Als typische UV-A-Filter kommen insbesondere Derivate des Benzoylmethans in Frage, wie beispiels weise 1-(4'-tert.Butylphenyl)-3-(4'-methoxyphenyl)propan-1,3-dion oder 1-Phenyl-3-(4'-isopropylphenyl) propan-1,3-dion. Die UV-A und UV-B-Filter können selbstverständlich auch in Mischungen eingesetzt werden. Neben den genannten löslichen Stoffen kommen für diesen Zweck auch unlösliche Pigmente, nämlich feindisperse Metalloxide bzw. Salze in Frage, wie beispielsweise Titandioxid, Zinkoxid, Eisenoxid, Aluminiumoxid, Ceroxid, Zirkoniumoxid, Silicate (Talk), Bariumsulfat und Zinkstearat. Die Partikel sollten dabei einen mittleren Durchmesser von weniger als 100 nm, vorzugsweise zwischen 5 und 50 nm und insbesondere zwischen 15 und 30 nm aufweisen. Sie können eine sphärische Form aufweisen, es können jedoch auch solche Partikel zum Einsatz kommen, die eine ellipsoide oder in sonstiger Weise von der sphärischen Gestalt abweichende Form besitzen. Neben den beiden vorgenannten Gruppen primärer Lichtschutzstoffe können auch sekundäre Lichtschutzmittel vom Typ der Antioxidantien eingesetzt werden, die die photochemische Reaktionskette unterbrechen, welche ausgelöst wird, wenn UV-Strahlung in die Haut eindringt. Typische Beispiele hierfür sind Superoxid- Dismutase, Tocopherole (Vitamin E) und Ascorbinsäure (Vitamin C). Weitere geeignete UV-Licht schutzfilter sind der Übersicht von P. Finkel in SÖFW-Journal 122, 543 (1996) zu entnehmen. Der Anteil der Lichtschutzmittel an den erfindungsgemäßen Mitteln liegt - bezogen auf den nicht-wäßrigen Anteil - üblicherweise bei 10 bis 90, vorzugsweise 25 bis 75 und insbesondere 40 bis 60 Gew.-%. Die erfindungsgemäßen Mittel als solche können 1 bis 95, vorzugsweise 5 bis 80 und insbesondere 10 bis 60 Gew.-% Wasser enthalten. Werden als Lichtschutzmittel organische Verbindungen eingesetzt, können zur Herstellung der Zubereitungen deren co-emulgierenden Eigenschaften mitgenutzt werden. Derivatives of benzoylmethane, such as, for example, are particularly suitable as typical UV-A filters wise 1- (4'-tert-butylphenyl) -3- (4'-methoxyphenyl) propane-1,3-dione or 1-phenyl-3- (4'-isopropylphenyl) propane-1,3-dione. The UV-A and UV-B filters can of course also be used in mixtures become. In addition to the soluble substances mentioned, insoluble pigments are also used for this purpose, namely finely dispersed metal oxides or salts, such as titanium dioxide, zinc oxide, Iron oxide, aluminum oxide, cerium oxide, zirconium oxide, silicates (talc), barium sulfate and zinc stearate. The Particles should have an average diameter of less than 100 nm, preferably between 5 and 50 nm and in particular between 15 and 30 nm. They can have a spherical shape have, however, such particles can be used that have an ellipsoid or in otherwise have a shape deviating from the spherical shape. In addition to the two The aforementioned groups of primary light stabilizers can also be secondary light stabilizers of the type of the antioxidants that interrupt the photochemical reaction chain, which is triggered when UV radiation penetrates the skin. Typical examples are superoxide Dismutase, tocopherols (vitamin E) and ascorbic acid (vitamin C). Other suitable UV light Protection filters can be found in the overview by P. Finkel in SÖFW-Journal 122, 543 (1996). Of the The proportion of light stabilizers in the agents according to the invention is based on the non-aqueous agents Proportion - usually 10 to 90, preferably 25 to 75 and in particular 40 to 60% by weight. The Agents according to the invention as such can contain 1 to 95, preferably 5 to 80 and in particular 10 to Contain 60 wt .-% water. If organic compounds are used as light stabilizers, can be used for the preparation of the preparations, their co-emulsifying properties.
In einer bevorzugten Ausführungsform der Erfindung liegen die Sonnenschutzmittel in Form von Mikro emulsionen, insbesondere O/W-Mikroemulsionen vor. Mikroemulsionen stellen optisch isotrope, ther modynamisch stabile Systeme dar, die Ölkomponenten, Emulgatoren und Wasser enthalten. Das klare bzw. transparente Aussehen der Mikroemulsionen ist eine Folge der geringen Teilchengröße der dispergierten Emulsionströpfchen, die im wesentlichen unter 300, vorzugsweise bei 50 bis 300 nm liegen. Im Bereich zwischen 100 und 300 nm werden dabei feinteilige, in der Durchsicht braunrote und im Auflicht bläulich schimmernde Mikroemulsionen erhalten. Im Bereich unterhalb eines Tröpf chendurchmessers von 100 nm sind Mikroemulsionen klar. Die Herstellung der Mittel erfolgt vorzugs weise in einem Kaltverfahren, bei dem man Ölkörper und Emulgatoren mit Wasser emulgiert und anschließend die UV-Lichtschutzfilter sowie gegebenenfalls weitere Zusatzstoffe hinzugibt. Durch Zusatz von Wasser und/oder Hydrotropen kann der gewünschte Aktivsubstanzgehalt eingestellt werden.In a preferred embodiment of the invention, the sunscreens are in the form of micro emulsions, especially O / W microemulsions. Microemulsions are optically isotropic, ther are dynamically stable systems that contain oil components, emulsifiers and water. The clear or transparent appearance of the microemulsions is a consequence of the small particle size dispersed emulsion droplets which are substantially below 300, preferably at 50 to 300 nm lie. In the range between 100 and 300 nm, finely divided, brown-red and transparent obtained bluish shimmering microemulsions in incident light. In the area below a droplet Diameter of 100 nm microemulsions are clear. The production of funds is preferred wise in a cold process in which oil bodies and emulsifiers are emulsified with water and then add the UV light protection filter and any other additives. By The addition of water and / or hydrotropes can be used to set the desired active substance content become.
Die erfindungsgemäßen Mittel zeichnen sich durch eine hohe Transparenz und Phasenstabilität bei
besonders vorteilhafter hautkosmetischer Verträglichkeit aus. Typische Zubereitungen haben die fol
gende Zusammensetzung:
The agents according to the invention are notable for high transparency and phase stability with particularly advantageous skin-cosmetic compatibility. Typical preparations have the following composition:
- (a) 1 bis 90, vorzugsweise 5 bis 80 Gew.-% Ölkörper,(a) 1 to 90, preferably 5 to 80% by weight oil body,
- (b) 10 bis 90, vorzugsweise 25 bis 75 Gew.-% Emulgatoren und(b) 10 to 90, preferably 25 to 75% by weight of emulsifiers and
- (c) 10 bis 90, vorzugsweise 25 bis 75 Gew.-% UV-Lichtschutzfilter,(c) 10 to 90, preferably 25 to 75% by weight UV light protection filter,
mit der Maßgabe, daß sich die Mengenangaben zu 100 Gew.-% ergänzen. Innerhalb der genannten Konzentrationsbereiche werden besonders stabile und feinteilige Mikroemulsionen erhalten.with the proviso that the quantities add up to 100% by weight. Within the above Concentration ranges are obtained particularly stable and finely divided microemulsions.
Als weitere Inhaltsstoffe können sie in untergeordneten Mengen weitere, mit den anderen Inhaltsstoffen kompatible Aniontenside enthalten. Typische Beispiele sind Seifen, Alkylbenzolsulfonate, Alkansul fonate, Olefinsulfonate, Alkylethersulfonate, Glycerinethersulfonate, α-Methylestersulfonate, Sulfofett säuren, Alkylsulfate, Glycerinethersulfate, Hydroxymischethersulfate, Fettsäureamid(ether)sulfate, Mono- und Dialkylsulfosuccinate, Mono- und Dialkylsulfosuccinamate, Sulfotriglyceride, Amidseifen, Ethercarbonsäuren und deren Salze, Fettsäureisethionate, Fettsäuresarcosinate, Fettsäuretauride, N-Acyl aminosäuren wie beispielsweise Acyllactylate, Acyltartrate, Acylglutamate und Acylaspartate, Alkyl oligoglucosidsulfate, Fettsäure-N-alkylglucamide, Proteinfettsäurekondensate (insbesondere pflanzliche Produkte auf Weizenbasis) und Alkyl(ether)phosphate. Sofern die anionischen Tenside Polyglycol etherketten enthalten, können diese eine konventionelle, vorzugsweise jedoch eine eingeengte Homo logenverteilung aufweisen.As additional ingredients, they can be added in minor amounts with the other ingredients contain compatible anionic surfactants. Typical examples are soaps, alkylbenzenesulfonates, alkanesul fonates, olefin sulfonates, alkyl ether sulfonates, glycerol ether sulfonates, α-methyl ester sulfonates, sulfo fat acids, alkyl sulfates, glycerol ether sulfates, hydroxy mixed ether sulfates, fatty acid amide (ether) sulfates, Mono- and dialkyl sulfosuccinates, mono- and dialkyl sulfosuccinamates, sulfotriglycerides, amide soaps, Ether carboxylic acids and their salts, fatty acid isethionates, fatty acid sarcosinates, fatty acid taurides, N-acyl amino acids such as acyl lactylates, acyl tartrates, acyl glutamates and acyl aspartates, alkyl oligoglucoside sulfates, fatty acid-N-alkylglucamides, protein fatty acid condensates (especially vegetable Wheat-based products) and alkyl (ether) phosphates. If the anionic surfactants polyglycol contain ether chains, these can be a conventional, but preferably a narrowed homo have lye distribution.
Die erfindungsgemäßen Mittel können ferner als weitere Hilfs- und Zusatzstoffe Co-Emulgatoren,
Überfettungsmittel, Stabilisatoren, Wachse, Konsistenzgeber, Verdickungsmittel, Kationpolymere,
biogene Wirkstoffe, Konservierungsmittel, Hydrotrope, Solubilisatoren, Farb- und Duftstoffe enthalten.
Als Co-Emulgatoren kommen beispielsweise nichtionogene Tenside aus mindestens einer der
folgenden Gruppen in Frage:
The agents according to the invention can also contain co-emulsifiers, superfatting agents, stabilizers, waxes, consistency enhancers, thickeners, cation polymers, biogenic agents, preservatives, hydrotropes, solubilizers, dyes and fragrances as further auxiliaries and additives. Examples of suitable co-emulsifiers are nonionic surfactants from at least one of the following groups:
- (1) Anlagerungsprodukte von 2 bis 30 Mol Ethylenoxid und/oder 0 bis 5 Mol Propylenoxid an lineare Fettalkohole mit 8 bis 22 C-Atomen, an Fettsäuren mit 12 bis 22 C-Atomen und an Alkylphenole mit 8 bis 15 C-Atomen in der Alkylgruppe;(1) Addition products of 2 to 30 moles of ethylene oxide and / or 0 to 5 moles of propylene oxide with linear Fatty alcohols with 8 to 22 carbon atoms, on fatty acids with 12 to 22 carbon atoms and on alkylphenols with 8 to 15 carbon atoms in the alkyl group;
- (2) C12/18-Fettsäuremono- und -diester von Anlagerungsprodukten von 1 bis 30 Mol Ethylenoxid an Glycerin;(2) C 12/18 fatty acid monoesters and diesters of adducts of 1 to 30 moles of ethylene oxide with glycerol;
- (3) Glycerinmono- und -diester und Sorbitanmono- und -diester von gesättigten und ungesättigten Fettsäuren mit 6 bis 22 Kohlenstoffatomen und deren Ethylenoxidanlagerungsprodukte;(3) glycerol monoesters and diesters and sorbitan monoesters and diesters of saturated and unsaturated Fatty acids with 6 to 22 carbon atoms and their ethylene oxide addition products;
- (4) Alkylmono- und -oligoglycoside mit 8 bis 22 Kohlenstoffatomen im Alkylrest und deren ethoxy lierte Analoga;(4) Alkyl mono- and oligoglycosides with 8 to 22 carbon atoms in the alkyl radical and their ethoxy analogs;
- (5) Anlagerungsprodukte von 15 bis 60 Mol Ethylenoxid an Ricinusöl und/oder gehärtetes Ricinusöl;(5) adducts of 15 to 60 moles of ethylene oxide with castor oil and / or hardened castor oil;
- (6) Polyol- und insbesondere Polyglycerinester, wie z. B. Polyglycerinpolyricinoleat, Polyglycerinpoly- 12-hydroxystearat oder Polyglycerindimerat. Ebenfalls geeignet sind Gemische von Verbin dungen aus mehreren dieser Substanzklassen;(6) polyol and especially polyglycerol esters, such as. B. polyglycerol polyricinoleate, polyglycerol poly 12-hydroxystearate or polyglycerol dimerate. Mixtures of Verbin are also suitable doses from several of these classes of substances;
- (7) Anlagerungsprodukte von 2 bis 15 Mol Ethylenoxid an Ricinusöl und/oder gehärtetes Ricinusöl;(7) adducts of 2 to 15 moles of ethylene oxide with castor oil and / or hardened castor oil;
- (8) Partialester auf Basis linearer, verzweigter, ungesättigter bzw. gesättigter C6/22-Fettsäuren, Ricinolsäure sowie 12-Hydroxystearinsäure und Glycerin, Polyglycerin, Pentaerythrit, Dipenta erythrit, Zuckeralkohole (z. B. Sorbit), Alkylglucoside (z. B. Methylglucosid, Butylglucosid, Lauryl glucosid) sowie Polyglucoside (z. B. Cellulose);(8) Partial esters based on linear, branched, unsaturated or saturated C 6/22 fatty acids, ricinoleic acid as well as 12-hydroxystearic acid and glycerol, polyglycerol, pentaerythritol, dipentaerythritol, sugar alcohols (e.g. sorbitol), alkyl glucosides (e.g. Methyl glucoside, butyl glucoside, lauryl glucoside) and polyglucosides (e.g. cellulose);
- (9) Mono-, Di- und Trialkylphosphate sowie Mono-, Di- und/oder Tri-PEG-alkylphosphate;(9) mono-, di- and trialkyl phosphates and mono-, di- and / or tri-PEG-alkyl phosphates;
- (10) Wollwachsalkohole;(10) wool wax alcohols;
- (11) Polysiloxan-Polyalkyl-Polyether-Copolymere bzw. entsprechende Derivate;(11) polysiloxane-polyalkyl-polyether copolymers or corresponding derivatives;
- (12) Mischester aus Pentaerythrit, Fettsäuren, Citronensäure und Fettalkohol gemäß DE-PS 11 65 574 und/oder Mischester von Fettsäuren mit 6 bis 22 Kohlenstoffatomen, Methylglucose und Polyolen, vorzugsweise Glycerin sowie(12) Mixed esters of pentaerythritol, fatty acids, citric acid and fatty alcohol according to DE-PS 11 65 574 and / or mixed esters of fatty acids with 6 to 22 carbon atoms, methyl glucose and Polyols, preferably glycerin as well
- (13) Polyalkylenglycole.(13) Polyalkylene glycols.
Die Anlagerungsprodukte von Ethylenoxid und/oder von Propylenoxid an Fettalkohole, Fettsäuren, Alkylphenole, Glycerinmono- und -diester sowie Sorbitanmono- und -diester von Fettsäuren oder an Ricinusöl stellen bekannte, im Handel erhältliche Produkte dar. Es handelt sich dabei um Homologen gemische, deren mittlerer Alkoxylierungsgrad dem Verhältnis der Stoffmengen von Ethylenoxid und/oder Propylenoxid und Substrat, mit denen die Anlagerungsreaktion durchgeführt wird, entspricht. C12/18-Fettsäuremono- und -diester von Anlagerungsprodukten von Ethylenoxid an Glycerin sind aus DE 20 24 051 PS als Rückfettungsmittel für kosmetische Zubereitungen bekannt.The adducts of ethylene oxide and / or of propylene oxide with fatty alcohols, fatty acids, alkylphenols, glycerol mono- and diesters as well as sorbitan mono- and diesters of fatty acids or with castor oil are known, commercially available products. These are homologous mixtures of which average degree of alkoxylation corresponds to the ratio of the amounts of ethylene oxide and / or propylene oxide and substrate with which the addition reaction is carried out. C 12/18 fatty acid monoesters and diesters of adducts of ethylene oxide with glycerol are known from DE 20 24 051 PS as refatting agents for cosmetic preparations.
C8/18-Alkylmono- und -oligoglycoside, ihre Herstellung und ihre Verwendung sind aus dem Stand der Technik bekannt. Ihre Herstellung erfolgt insbesondere durch Umsetzung von Glucose oder Oligosac chariden mit primären Alkoholen mit 8 bis 18 C-Atomen. Bezüglich des Glycosidrestes gilt, daß sowohl Monoglycoside, bei denen ein cyclischer Zuckerrest glycosidisch an den Fettalkohol gebunden ist, als auch oligomere Glycoside mit einem Oligomerisationsgrad bis vorzugsweise etwa 8 geeignet sind. Der Oligomerisierungsgrad ist dabei ein statistischer Mittelwert, dem eine für solche technischen Produkte übliche Homologenverteilung zugrunde liegt.C 8/18 alkyl mono- and oligoglycosides, their preparation and their use are known from the prior art. They are produced in particular by reacting glucose or oligosaccharides with primary alcohols with 8 to 18 carbon atoms. Regarding the glycoside residue, both monoglycosides in which a cyclic sugar residue is glycosidically bonded to the fatty alcohol and oligomeric glycosides with a degree of oligomerization of up to about 8 are suitable. The degree of oligomerization is a statistical mean value which is based on a homolog distribution customary for such technical products.
Weiterhin können als Emulgatoren zwitterionische Tenside verwendet werden. Als zwitterionische Tenside werden solche oberflächenaktiven Verbindungen bezeichnet, die im Molekül mindestens eine quartäre Ammoniumgruppe und mindestens eine Carboxylat- und eine Sulfonatgruppe tragen. Besonders geeignete zwitterionische Tenside sind die sogenannten Betaine wie die N-Alkyl-N,N-di methylammoniumglycinate, beispielsweise das Kokosalkyldimethylammoniumglycinat, N-Acylamino propyl-N,N-dimethylammoniumglycinate, beispielsweise das Kokosacylaminopropyldimethylammonium glycinat, und 2-Alkyl-3-carboxylmethyl-3-hydroxyethylimidazoline mit jeweils 8 bis 18 C-Atomen in der Alkyl- oder Acylgruppe sowie das Kokosacylaminoethylhydroxyethylcarboxymethylglycinat. Besonders bevorzugt ist das unter der CTFA-Bezeichnung Cocamidopropyl Betaine bekannte Fettsäureamid- Derivat. Ebenfalls geeignete Emulgatoren sind ampholytische Tenside. Unter ampholytischen Tensiden werden solche oberflächenaktiven Verbindungen verstanden, die außer einer C8/18-Alkyl- oder -Acyl gruppe im Molekül mindestens eine freie Aminogruppe und mindestens eine -COOH- oder -SO3H-Grup pe enthalten und zur Ausbildung innerer Salze befähigt sind. Beispiele für geeignete ampho lytische Tenside sind N-Alkylglycine, N-Alkylpropionsäuren, N-Alkylaminobuttersäuren, N-Alkyliminodi propionsäuren, N-Hydroxyethyl-N-alkylamidopropylglycine, N-Alkyltaurine, N-Alkylsarcosine, 2-Alkyl aminopropionsäuren und Alkylaminoessigsäuren mit jeweils etwa 8 bis 18 C-Atomen in der Alkyl gruppe. Besonders bevorzugte ampholytische Tenside sind das N-Kokosalkylaminopropionat, das Kokosacylaminoethylaminopropionat und das C12/18-Acylsarcosin. Neben den ampholytischen kommen auch quartäre Emulgatoren in Betracht, wobei solche vom Typ der Esterquats, vorzugsweise methyl quaternierte Difettsäuretriethanolaminester-Salze, besonders bevorzugt sind.Zwitterionic surfactants can also be used as emulsifiers. Zwitterionic surfactants are surface-active compounds that contain at least one quaternary ammonium group and at least one carboxylate and one sulfonate group in the molecule. Particularly suitable zwitterionic surfactants are the so-called betaines such as the N-alkyl-N, N-dimethylammonium glycinate, for example coconut alkyldimethylammonium glycinate, N-acylamino propyl-N, N-dimethylammonium glycinate, for example coconut acylaminopropyldimethylammonium glycinate, and 2-alkyl-3-carboxylm 3-hydroxyethylimidazolines each having 8 to 18 carbon atoms in the alkyl or acyl group and the cocoacylaminoethylhydroxyethylcarboxymethylglycinate. The fatty acid amide derivative known under the CTFA name Cocamidopropyl Betaine is particularly preferred. Suitable emulsifiers are ampholytic surfactants. Ampholytic surfactants are surface-active compounds which, in addition to a C 8/18 alkyl or acyl group, contain at least one free amino group and at least one -COOH or -SO 3 H group in the molecule and are capable of forming internal salts are. Examples of suitable ampholytic surfactants are N-alkylglycine, N-alkylpropionic acid, N-alkylaminobutyric acid, N-alkyliminodipropionic acid, N-hydroxyethyl-N-alkylamidopropylglycine, N-alkyltaurine, N-alkyl sarcosine, 2-alkyl aminopropionic acid and alkyl amino acetic acid each with about 8 up to 18 carbon atoms in the alkyl group. Particularly preferred ampholytic surfactants are N-cocoalkylaminopropionate, cocoacylaminoethylaminopropionate and C 12/18 acylsarcosine. In addition to the ampholytic emulsifiers, quaternary emulsifiers are also suitable, those of the esterquat type, preferably methyl-quaternized difatty acid triethanolamine ester salts, being particularly preferred.
Als Überfettungsmittel können Substanzen wie beispielsweise Lanolin und Lecithin sowie polyethoxylierte oder acylierte Lanolin- und Lecithinderivate, Polyolfettsäureester, Monoglyceride und Fettsäurealkanolamide verwendet werden, wobei die letzteren gleichzeitig als Schaumstabilisatoren dienen. Substances such as lanolin and lecithin as well as polyethoxylated or acylated lanolin and lecithin derivatives, polyol fatty acid esters, monoglycerides and Fatty acid alkanolamides are used, the latter at the same time as foam stabilizers to serve.
Als Perlglanzwachse kommen beispielsweise in Frage: Alkylenglycolester, speziell Ethylenglycol distearat; Fettsäurealkanolamide, speziell Kokosfettsäurediethanolamid; Partialglyceride, speziell Stea rinsäuremonoglycerid; Ester von mehrwertigen,gegebenenfalls hydroxysubstituierte Carbonsäuren mit Fettalkoholen mit 6 bis 22 Kohlenstoffatomen, speziell langkettige Ester der Weinsäure; Fettstoffe, wie beispielsweise Fettalkohole, Fettketone, Fettaldehyde, Fettether und Fettcarbonate, die in Summe min destens 24 Kohlenstoffatome aufweisen, speziell Lauron und Distearylether; Fettsäuren wie Stea rinsäure, Hydroxystearinsäure oder Behensäure, Ringöffnungsprodukte von Olefinepoxiden mit 12 bis 22 Kohlenstoffatomen mit Fettalkoholen mit 12 bis 22 Kohlenstoffatomen und/oder Polyolen mit 2 bis 15 Kohlenstoffatomen und 2 bis 10 Hydroxylgruppen sowie deren Mischungen.Pearlescent waxes, for example, are: alkylene glycol esters, especially ethylene glycol distearate; Fatty acid alkanolamides, especially coconut fatty acid diethanolamide; Partial glycerides, especially stea rinic acid monoglyceride; Esters of polyvalent, optionally hydroxy-substituted carboxylic acids Fatty alcohols with 6 to 22 carbon atoms, especially long-chain esters of tartaric acid; Fatty substances like for example fatty alcohols, fatty ketones, fatty aldehydes, fatty ethers and fatty carbonates, which in total min have at least 24 carbon atoms, especially lauron and distearyl ether; Fatty acids such as stea rinsic acid, hydroxystearic acid or behenic acid, ring opening products of olefin epoxides with 12 to 22 carbon atoms with fatty alcohols with 12 to 22 carbon atoms and / or polyols with 2 to 15 carbon atoms and 2 to 10 hydroxyl groups and mixtures thereof.
Als Konsistenzgeber kommen in erster Linie Fettalkohole mit 12 bis 22 und vorzugsweise 16 bis 18 Kohlenstoffatomen und daneben Partialglyceride in Betracht. Bevorzugt ist eine Kombination dieser Stoffe mit Alkyloligoglucosiden und/oder Fettsäure-N-methylglucamiden gleicher Kettenlänge und/oder Polyglycerinpoly-12-hydroxystearaten. Geeignete Verdickungsmittel sind beispielsweise Polysaccha ride, insbesondere Xanthan-Gum, Guar-Guar, Agar-Agar, Alginate und Tylosen, Carboxymethyl cellulose und Hydroxyethylcellulose, ferner höhermolekulare Polyethylenglycolmono- und -diester von Fettsäuren, Polyacrylate, (z. B. Carbopole® von Goodrich oder Synthalene® von Sigma), Polyacryl amide, Polyvinylalkohol und Polyvinylpyrrolidon, Tenside wie beispielsweise ethoxylierte Fettsäure glyceride, Ester von Fettsäuren mit Polyolen wie beispielsweise Pentaerythrit oder Trimethylolpropan, Fettalkoholethoxylate mit eingeengter Homologenverteilung oder Alkyloligoglucoside sowie Elektrolyte wie Kochsalz und Ammoniumchlorid.The main consistency agents are fatty alcohols with 12 to 22 and preferably 16 to 18 Carbon atoms and also partial glycerides into consideration. A combination of these is preferred Substances with alkyl oligoglucosides and / or fatty acid N-methylglucamides of the same chain length and / or Polyglycerol poly-12-hydroxystearates. Suitable thickeners are, for example, polysaccha ride, especially xanthan gum, guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and hydroxyethyl cellulose, also higher molecular weight polyethylene glycol mono- and diesters of Fatty acids, polyacrylates (e.g. Carbopole® from Goodrich or Synthalene® from Sigma), polyacrylic amides, polyvinyl alcohol and polyvinyl pyrrolidone, surfactants such as ethoxylated fatty acid glycerides, esters of fatty acids with polyols such as pentaerythritol or trimethylolpropane, Fatty alcohol ethoxylates with a narrow homolog distribution or alkyl oligoglucosides as well as electrolytes like table salt and ammonium chloride.
Geeignete kationische Polymere sind beispielsweise kationische Cellulosederivate, wie z. B. eine quaternierte Hydroxyethylcellulose, die unter der Bezeichnung Polymer JR 400® von Amerchol erhält lich ist, kationische Stärke, Copolymere von Diallylammoniumsalzen und Acrylamiden, quaternierte Vinylpyrrolidon/Vinyl-imidazol-Polymere, wie z. B. Luviquat® (BASF), Kondensationsprodukte von Poly glycolen und Aminen, quaternierte Kollagenpolypeptide, wie beispielsweise Lauryldimonium hydroxy propyl hydrolyzed collagen (Lamequat®L/Grünau), quaternierte Weizenpolypeptide, Polyethylenimin, kationische Siliconpolymere, wie z. B. Amidomethicone, Copolymere der Adipinsäure und Dimethyl aminohydroxypropyldiethylentriamin (Cartaretine®/Sandoz), Copolymere der Acrylsäure mit Dime thyldiallylammoniumchlorid (Merquat® 550/Chemviron), Polyaminopolyamide, wie z. B. beschrieben in der FR 2252840 A sowie deren vernetzte wasserlöslichen Polymere, kationische Chitinderivate wie beispielsweise quaterniertes Chitosan, gegebenenfalls mikrokristallin verteilt, Kondensationsprodukte aus Dihalogenalkylen, wie z. B. Dibrombutan mit Bisdialkylaminen, wie z. B. Bis-Dimethylamino-1,3-pro pan, kationischer Guar-Gum, wie z. B. Jaguar® CBS, Jaguar® C-17, Jaguar® C-16 der Firma Celanese, quaternierte Ammoniumsalz-Polymere, wie z. B. Mirapol® A-15, Mirapol® AD-1, Mirapol® AZ-1 der Firma Miranol. Suitable cationic polymers are, for example, cationic cellulose derivatives, such as. Legs quaternized hydroxyethyl cellulose obtained from Amerchol under the name Polymer JR 400® Lich, cationic starch, copolymers of diallylammonium salts and acrylamides, quaternized Vinyl pyrrolidone / vinyl imidazole polymers, such as. B. Luviquat® (BASF), condensation products from Poly glycols and amines, quaternized collagen polypeptides such as lauryldimonium hydroxy propyl hydrolyzed collagen (Lamequat®L / Grünau), quaternized wheat polypeptides, polyethyleneimine, cationic silicone polymers, such as. B. amidomethicones, copolymers of adipic acid and dimethyl aminohydroxypropyldiethylenetriamine (Cartaretine® / Sandoz), copolymers of acrylic acid with Dime thyldiallylammonium chloride (Merquat® 550 / Chemviron), polyaminopolyamides, such as. B. described in FR 2252840 A and its crosslinked water-soluble polymers, cationic chitin derivatives such as for example quaternized chitosan, optionally microcrystalline, condensation products from dihaloalkylene, such as. B. dibromobutane with bisdialkylamines, such as. B. bis-dimethylamino-1,3-pro pan, cationic guar gum, such as B. Jaguar® CBS, Jaguar® C-17, Jaguar® C-16 from the company Celanese quaternized ammonium salt polymers such as. B. Mirapol® A-15, Mirapol® AD-1, Mirapol® AZ-1 from Miranol.
Als anionische, zwitterionische, amphotere und nichtionische Polymere kommen beispielsweise Vinylacetat/Crotonsäure-Copolymere, Vinylpyrrolidon/Vinylacrylat-Copolymere, Vinylacetat/Butylmaleat/Iso bornylacrylat-Copolymere, Methylvinylether/Maleinsäureanhydrid-Copolymere und deren Ester, un vernetzte und mit Polyolen vernetzte Polyacrylsäuren, Acrylamidopropyltrimethylammoniumchlorid/Acrylat- Copolymere, Octylacrylamid/Methylmethacrylat/tert.Butylaminoethylmethacrylat/2-Hydroxypro pylmethacrylat-Copolymere, Polyvinylpyrrolidon, Vinylpyrrolidon/Vinylacetat-Copolymere, Vinylpyrroli don/Dimethylaminoethylmethacrylat/Vinylcaprolactam-Terpolymere sowie gegebenenfalls derivatisierte Celluloseether und Silicone in Frage.Examples of anionic, zwitterionic, amphoteric and nonionic polymers are Vinyl acetate / crotonic acid copolymers, vinyl pyrrolidone / vinyl acrylate copolymers, vinyl acetate / butyl maleate / iso bornyl acrylate copolymers, methyl vinyl ether / maleic anhydride copolymers and their esters, un cross-linked and polyols cross-linked polyacrylic acids, acrylamidopropyltrimethylammonium chloride / acrylate Copolymers, octylacrylamide / methyl methacrylate / tert-butylaminoethyl methacrylate / 2-hydroxypro pyl methacrylate copolymers, polyvinyl pyrrolidone, vinyl pyrrolidone / vinyl acetate copolymers, vinyl pyrrole don / dimethylaminoethyl methacrylate / vinyl caprolactam terpolymers and, if appropriate, derivatized Cellulose ethers and silicones in question.
Typische Beispiele für Fette sind Glyceride, als Wachse kommen u. a. Bienenwachs, Carnaubawachs, Candelillawachs, Montanwachs, Paraffinwachs oder Mikrowachse gegebenenfalls in Kombination mit hydrophilen Wachsen, z. B. Cetylstearylalkohol oder Partialglyceriden in Frage. Als Stabilisatoren können Metallsalze von Fettsäuren, wie z. B. Magnesium-, Aluminium- und/oder Zinkstearat eingesetzt werden. Unter biogenen Wirkstoffen sind beispielsweise Tocopherol, Tocopherolacetat, Tocopherol palmitat, Ascorbinsäure, Desoxyribonucleinsäure, Retinol, Bisabolol, Allantoin, Phytantriol, Panthenol, AHA-Säuren, Aminosäuren, Ceramide, Pseudoceramide, essentielle Öle, Pflanzenextrakte und Vita minkomplexe zu verstehen. Als Antischuppenmittel können Climbazol, Octopirox und Zinkpyrethion eingesetzt werden. Gebräuchliche Filmbildner sind beispielsweise Chitosan, mikrokristallines Chito san, quaterniertes Chitosan, Polyvinylpyrrolidon, Vinylpyrrolidon-Vinylacetat-Copolymerisate, Polymere der Acrylsäurereihe, quaternäre Cellulose-Derivate, Kollagen, Hyaluronsäure bzw. deren Salze und ähnliche Verbindungen. Als Quellmittel für wäßrige Phasen können Montmorillonite, Clay Mineral stoffe, Pemulen sowie alkylmodifizierte Carbopoltypen (Goodrich) dienen.Typical examples of fats are glycerides. a. Beeswax, carnauba wax, Candelilla wax, montan wax, paraffin wax or micro waxes if necessary in combination with hydrophilic waxes, e.g. B. cetylstearyl alcohol or partial glycerides in question. As stabilizers can metal salts of fatty acids such. B. magnesium, aluminum and / or zinc stearate used become. Examples of biogenic active substances are tocopherol, tocopherol acetate and tocopherol palmitate, ascorbic acid, deoxyribonucleic acid, retinol, bisabolol, allantoin, phytantriol, panthenol, AHA acids, amino acids, ceramides, pseudoceramides, essential oils, plant extracts and Vita to understand min complexes. Climbazole, octopirox and zinc pyrethione can be used as antidandruff agents be used. Common film formers are, for example, chitosan, microcrystalline chito san, quaternized chitosan, polyvinylpyrrolidone, vinylpyrrolidone-vinyl acetate copolymers, polymers the acrylic acid series, quaternary cellulose derivatives, collagen, hyaluronic acid or its salts and similar connections. Montmorillonite and clay mineral can be used as swelling agents for aqueous phases substances, Pemulen and alkyl-modified carbopol types (Goodrich) are used.
Zur Verbesserung des Fließverhaltens können ferner Hydrotrope, wie beispielsweise Ethanol, Iso
propylalkohol, oder Polyole eingesetzt werden. Polyole, die hier in Betracht kommen, besitzen vor
zugsweise 2 bis 15 Kohlenstoffatome und mindestens zwei Hydroxylgruppen. Typische Beispiele sind
To improve the flow behavior, hydrotropes such as ethanol, isopropyl alcohol or polyols can also be used. Polyols that come into consideration here preferably have 2 to 15 carbon atoms and at least two hydroxyl groups. Typical examples are
- - Glycerin;- glycerin;
- - Alkylenglycole, wie beispielsweise Ethylenglycol, Diethylenglycol, Propylenglycol, Butylenglycol, Hexylenglycol sowie Polyethylenglycole mit einem durchschnittlichen Molekulargewicht von 100 bis 1000 Dalton;Alkylene glycols, such as, for example, ethylene glycol, diethylene glycol, propylene glycol, butylene glycol, Hexylene glycol and polyethylene glycols with an average molecular weight of 100 to 1000 daltons;
- - technische Oligoglyceringemische mit einem Eigenkondensationsgrad von 1,5 bis 10 wie etwa technische Diglyceringemische mit einem Diglyceringehalt von 40 bis 50 Gew.-%;- Technical oligoglycerol mixtures with a degree of self-condensation of 1.5 to 10 such as technical diglycerol mixtures with a diglycerol content of 40 to 50% by weight;
- - Methyolverbindungen, wie insbesondere Trimethylolethan, Trimethylolpropan, Trimethylolbutan, Pentaerythrit und Dipentaerythrit;Methyl compounds, such as in particular trimethylolethane, trimethylolpropane, trimethylolbutane, Pentaerythritol and dipentaerythritol;
- - Niedrigalkylglucoside, insbesondere solche mit 1 bis 8 Kohlenstoffen im Alkylrest, wie beispiels weise Methyl- und Butylglucosid;- Lower alkyl glucosides, especially those with 1 to 8 carbons in the alkyl radical, such as wise methyl and butyl glucoside;
- - Zuckeralkohole mit 5 bis 12 Kohlenstoffatomen, wie beispielsweise Sorbit oder Mannit, Sugar alcohols with 5 to 12 carbon atoms, such as sorbitol or mannitol,
- - Zucker mit 5 bis 12 Kohlenstoffatomen, wie beispielsweise Glucose oder Saccharose;- Sugar with 5 to 12 carbon atoms, such as glucose or sucrose;
- - Aminozucker, wie beispielsweise Glucamin.- aminosugars, such as glucamine.
Als Konservierungsmittel eignen sich beispielsweise Phenoxyethanol, Formaldehydlösung, Para bene, Pentandiol oder Sorbinsäure. Als Insekten-Repellentien kommen N,N-Diethyl-m-touluamid, 1,2-Pentan diol oder Insect repellent 3535 in Frage, als Selbstbräuner eignet sich Dihydroxyaceton.Suitable preservatives are, for example, phenoxyethanol, formaldehyde solution, para benzene, pentanediol or sorbic acid. N, N-diethyl-m-touluamide, 1,2-pentane are used as insect repellents diol or Insect repellent 3535, dihydroxyacetone is suitable as a self-tanner.
Als Parfümöle seien genannt Gemische aus natürlichen und synthetischen Riechstoffen. Natürliche Riechstoffe sind Extrakte von Blüten (Lilie, Lavendel, Rosen, Jasmin, Neroli, Ylang-Ylang), Stengeln und Blättern (Geranium, Patchouli, Petitgrain), Früchten (Anis, Koriander, Kümmel, Wacholder), Fruchtschalen (Bergamotte, Zitrone, Orangen), Wurzeln (Macis, Angelica, Sellerie, Kardamon, Costus, Iris, Calmus), Hölzern (Pinien-, Sandel-, Guajak-, Zedern-, Rosenholz), Kräutern und Gräsern (Estragon, Lemongras, Salbei, Thymian), Nadeln und Zweigen (Fichte, Tanne, Kiefer, Latschen), Harzen und Balsamen (Galbanum, Elemi, Benzoe, Myrrhe, Olibanum, Opoponax). Weiterhin kommen tierische Rohstoffe in Frage, wie beispielsweise Zibet und Castoreum. Typische synthetische Riechstoffverbindungen sind Produkte vom Typ der Ester, Ether, Aldehyde, Ketone, Alkohole und Kohlenwasserstoffe. Riechstoffverbindungen vom Typ der Ester sind z. B. Benzylacetat, Phenoxy ethylisobutyrat, p-tert.-Butylcyclohexylacetat, Linalylacetat, Dimethylbenzylcarbinylacetat, Phenylethyl acetat, Linalylbenzoat, Benzylformiat, Ethylmethyl-phenylglycinat, Allylcyclohexylpropionat, Styrallylpro pionat und Benzylsalicylat. Zu den Ethern zählen beispielsweise Benzylethylether, zu den Aldehyden z. B. die linearen Alkanale mit 8 bis 18 Kohlenstoffatomen, Citral, Citronellal, Citronellyloxyacetaldehyd, Cyclamenaldehyd, Hydroxycitronellal, Lilial und Bourgeonal, zu den Ketonen z. B. die Jonone, α-Iso methylionon und Methyl-cedrylketon, zu den Alkoholen Anethol, Citronellol, Eugenol, Isoeugenol, Gera niol, Linalool, Phenylethylalkohol und Terpineol, zu den Kohlenwasserstoffen gehören hauptsächlich die Terpene und Balsame. Bevorzugt werden jedoch Mischungen verschiedener Riechstoffe verwen det, die gemeinsam eine ansprechende Duftnote erzeugen. Auch ätherische Öle geringerer Flüch tigkeit, die meist als Aromakomponenten verwendet werden, eignen sich als Parfümöle, z. B. Salbeiöl, Kamillenöl, Nelkenöl, Melissenöl, Minzenöl, Zimtblätteröl, Lindenblütenöl, Wacholderbeerenöl, Vetiver öl, Olibanöl, Galbanumöl, Labolanumöl und Lavandinöl. Vorzugsweise werden Bergamotteöl, Dihydro myrcenol, Lilial, Lyral, Citronellol, Phenylethylalkohol, α-Hexylzimtaldehyd, Geraniol, Benzylaceton, Cyclamenaldehyd, Linalool, Boisambrene Forte, Ambroxan, Indol, Hedione, Sandelice, Citronenöl, Mandarinenöl, Orangenöl, Allylamylglycolat, Cyclovertal, Lavandinöl, Muskateller Salbeiöl, β-Damas cone, Geraniumöl Bourbon, Cyclohexylsalicylat, Vertofix Coeur, Iso-E-Super, Fixolide NP, Evernyl, Iraldein gamma, Phenylessigsäure, Geranylacetat, Benzylacetat, Rosenoxid, Romilllat, Irotyl und Floramat allein oder in Mischungen, eingesetzt.Perfume oils include mixtures of natural and synthetic fragrances. Natural Fragrance substances are extracts of flowers (lily, lavender, rose, jasmine, neroli, ylang-ylang), stems and leaves (geranium, patchouli, petitgrain), fruits (anise, coriander, caraway, juniper), Fruit peels (bergamot, lemon, oranges), roots (macis, angelica, celery, cardamom, costus, Iris, Calmus), woods (pine, sandal, guaiac, cedar, rosewood), herbs and grasses (Tarragon, lemongrass, sage, thyme), needles and twigs (spruce, fir, pine, mountain pine), Resins and balms (galbanum, elemi, benzoin, myrrh, olibanum, opoponax). Keep coming animal raw materials, such as civet and castoreum. Typical synthetic Fragrance compounds are products of the ester, ether, aldehyde, ketone, alcohol and type Hydrocarbons. Fragrance compounds of the ester type are e.g. B. benzyl acetate, phenoxy ethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinylacetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethyl methyl phenylglycinate, allyl cyclohexyl propionate, styrallylpro pionate and benzyl salicylate. The ethers include, for example, benzyl ethyl ether and the aldehydes e.g. B. the linear alkanals with 8 to 18 carbon atoms, citral, citronellal, citronellyloxyacetaldehyde, Cyclamenaldehyde, Hydroxycitronellal, Lilial and Bourgeonal, to the ketones z. B. the Jonone, α-Iso methyl ionone and methyl cedryl ketone, to the alcohols anethole, citronellol, eugenol, isoeugenol, Gera niol, linalool, phenylethyl alcohol and terpineol, the hydrocarbons mainly include the terpenes and balms. However, mixtures of different fragrances are preferably used det, which together create an appealing fragrance. Also essential oils of lesser curses activity, which are mostly used as aroma components, are suitable as perfume oils, e.g. B. sage oil, Chamomile oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, linden blossom oil, juniper berry oil, vetiver oil, oliban oil, galbanum oil, labolanum oil and lavandin oil. Bergamot oil, dihydro are preferred myrcenol, lilial, lyral, citronellol, phenylethyl alcohol, α-hexylcinnamaldehyde, geraniol, benzylacetone, Cyclamenaldehyde, linalool, boisambrene forte, ambroxan, indole, hedione, sandelice, lemon oil, Mandarin oil, orange oil, allylamyl glycolate, cyclover valley, lavandin oil, muscatel sage oil, β-damas cone, geranium oil bourbon, cyclohexyl salicylate, Vertofix Coeur, Iso-E-Super, Fixolide NP, Evernyl, Iraldein gamma, phenylacetic acid, geranyl acetate, benzyl acetate, rose oxide, romilllate, irotyl and Floramat used alone or in mixtures.
Als Farbstoffe können die für kosmetische Zwecke geeigneten und zugelassenen Substanzen ver wendet werden, wie sie beispielsweise in der Publikation "kosmetische Färbemittel" der Farbstoff kommission der Deutschen Forschungsgemeinschaft, Verlag Chemie, Weinheim, 1984, S. 81-106 zusammengestellt sind. Diese Farbstoffe werden üblicherweise in Konzentrationen von 0,001 bis 0,1 Gew.-%, bezogen auf die gesamte Mischung, eingesetzt.As dyes, the substances suitable and approved for cosmetic purposes can be used are used, such as the dye in the publication "cosmetic colorants" Commission of the German Research Foundation, Verlag Chemie, Weinheim, 1984, pp. 81-106 are put together. These dyes are usually used in concentrations of 0.001 to 0.1% by weight, based on the entire mixture used.
Der Gesamtanteil der Hilfs- und Zusatzstoffe kann 1 bis 50, vorzugsweise 5 bis 40 Gew.-% - bezogen
auf die Mittel - betragen. Ein weiterer Gegenstand der Erfindung betrifft schließlich die Verwendung von
O/W-Mikroemulsionen, enthaltend
The total proportion of auxiliaries and additives can be 1 to 50, preferably 5 to 40,% by weight, based on the composition. Another object of the invention finally relates to the use of O / W microemulsions containing
- (a) Ölkörper,(a) oil body,
- (b) Fettsäurepolyglycolestersulfate und(b) fatty acid polyglycol ester sulfates and
- (c) UV-Lichtschutzfilter(c) UV light protection filter
zur Herstellung von Sonnenschutzmitteln. for the production of sunscreens.
Die erfindungsgemäßen O/W-Mikroemulsionen R1 bis R6 wurden in einem Kaltverfahren hergestellt. Dazu wurden die Ölkörper zusammen mit den öllöslichen bzw. öldispergierbaren UV-Lichtschutzfiltern und den Emulgatoren in Wasser emulgiert; wachsartige Komponenten wurden aufgeschmolzen und bei leicht erhöhter Temperatur eingearbeitet, wasserlösliche bzw. wasserdispergierbare UV-Filter zusam men mit der wäßrigen Phase eingebracht. Es wurden wasserklare Mikroemulsionen erhalten. Die Transmission der Emulsionen wurde photometrisch bei 650 nm bestimmt. Die Beurteilung der Stabilität erfolgte nach einer Lagerung von 12 Wochen bei 40°C. Hierbei bedeuten (+++) = keine Phasentren nung/Sedimentation und (++) keine Phasentrennung/geringfügige Trübung. Die Ergebnisse sind in Tabelle 1 zusammengefaßt.The O / W microemulsions R1 to R6 according to the invention were produced in a cold process. For this purpose, the oil bodies were used together with the oil-soluble or oil-dispersible UV light protection filters and emulsifying the emulsifiers in water; waxy components were melted and at slightly elevated temperature incorporated, water-soluble or water-dispersible UV filters together men introduced with the aqueous phase. Water-clear microemulsions were obtained. The Transmission of the emulsions was determined photometrically at 650 nm. Assessing stability took place after storage for 12 weeks at 40 ° C. Here, (+++) = no phase centers tion / sedimentation and (++) no phase separation / slight turbidity. The results are in Table 1 summarized.
Claims (10)
- (a) Ölkörper,
- (b) Fettsäurepolyglycolestersulfate und
- (c) UV-Lichtschutzfilter.
- (a) oil body,
- (b) fatty acid polyglycol ester sulfates and
- (c) UV light protection filter.
R1COO(AO)xSO3X (I)
in der R1CO für einen linearen oder verzweigten, gesättigten oder ungesättigten Acylrest mit 6 bis 22 Kohlenstoffatomen, x für Zahlen von durchschnittlich 1 bis 3 und AO für einen CH2CH2O-, CH2CH(CH3)O- und/oder CH(CH3)CH2O-Rest und X für ein Alkali- und/oder Erdalkalimetall, Am monium, Alkylammonium, Alkanolammonium oder Glucammonium steht.3. Composition according to claims 1 and 2, characterized in that they contain fatty acid polyglycol ester sulfates of the formula (I) as emulsifier component,
R 1 COO (AO) x SO 3 X (I)
in the R 1 CO for a linear or branched, saturated or unsaturated acyl radical having 6 to 22 carbon atoms, x for numbers from 1 to 3 on average and AO for a CH 2 CH 2 O-, CH 2 CH (CH 3 ) O- and / or CH (CH 3 ) CH 2 O radical and X represents an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
in der R2CO für einen linearen oder verzweigten Acylrest mit 6 bis 22 Kohlenstoffatomen, a, b und c in Summe für 0 oder für Zahlen von 1 bis 30 und X für ein Alkali- oder Erdalkalimetall steht.4. Composition according to claims 1 to 3, characterized in that they further contain monoglyceride (ether) sulfates of the formula (II) as emulsifier component,
in which R 2 CO stands for a linear or branched acyl radical with 6 to 22 carbon atoms, a, b and c in total for 0 or for numbers from 1 to 30 and X for an alkali or alkaline earth metal.
R3O-(CH2CH2O)mSO3X (III)
in der R3 für einen linearen oder verzweigten Alkyl- und/oder Alkenylrest mit 6 bis 22 Kohlenstoff atomen, m für Zahlen von 1 bis 10 und X für ein Alkali- und/oder Erdalkalimetall, Ammonium, Alkyl ammonium, Alkanolammonium oder Glucammonium steht.5. Composition according to claims 1 to 4, characterized in that they further contain alkyl ether sulfates of the formula (III) as emulsifier component,
R 3 O- (CH 2 CH 2 O) m SO 3 X (III)
in which R 3 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22 carbon atoms, m represents numbers from 1 to 10 and X represents an alkali and / or alkaline earth metal, ammonium, alkyl ammonium, alkanolammonium or glucammonium.
R4O-[G]p (IV)
in der R4 für einen Alkyl- und/oder Alkenylrest mit 4 bis 22 Kohlenstoffatomen, G für einen Zucker rest mit 5 oder 6 Kohlenstoffatomen und p für Zahlen von 1 bis 10 steht.6. Compositions according to claims 1 to 5, characterized in that they further contain alkyl and alkenyl oligoglycosides of the formula (IV) as emulsifier components,
R 4 O- [G] p (IV)
in which R 4 is an alkyl and / or alkenyl radical having 4 to 22 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms and p is a number from 1 to 10.
- (a) Ölkörper,
- (b) Fettsäurepolyglycolestersulfate und
- (c) UV-Lichtschutzfilter
- (a) oil body,
- (b) fatty acid polyglycol ester sulfates and
- (c) UV light protection filter
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19810889A DE19810889A1 (en) | 1998-03-13 | 1998-03-13 | Sunscreen with improved stability and transparency |
| PCT/EP1998/005186 WO1999009943A1 (en) | 1997-08-25 | 1998-08-17 | Sunscreening agent containing fatty acid polyglycol ester sulphates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19810889A DE19810889A1 (en) | 1998-03-13 | 1998-03-13 | Sunscreen with improved stability and transparency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19810889A1 true DE19810889A1 (en) | 1999-11-11 |
Family
ID=7860746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19810889A Ceased DE19810889A1 (en) | 1997-08-25 | 1998-03-13 | Sunscreen with improved stability and transparency |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE19810889A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005026006A1 (en) * | 2005-06-03 | 2006-12-07 | Beiersdorf Ag | Cosmetic preparations containing a special aniseed extract and triazine light filters |
| DE102005026007A1 (en) * | 2005-06-03 | 2006-12-07 | Beiersdorf Ag | Cosmetic preparations containing a special aniseed extract and sulfonated light filters |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19641274C1 (en) * | 1996-10-07 | 1998-02-12 | Henkel Kgaa | Oil in water microemulsion sun protection cosmetic products |
-
1998
- 1998-03-13 DE DE19810889A patent/DE19810889A1/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19641274C1 (en) * | 1996-10-07 | 1998-02-12 | Henkel Kgaa | Oil in water microemulsion sun protection cosmetic products |
Non-Patent Citations (1)
| Title |
|---|
| Engel,K., Ruback,W.: Darstellung und Eigenschaftenvon Fettsäurepolyglyholestersulfaten. In: Fette- Seifen-Anstrichmittel, 1986, Jg.88, H.1, S.20-25 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005026006A1 (en) * | 2005-06-03 | 2006-12-07 | Beiersdorf Ag | Cosmetic preparations containing a special aniseed extract and triazine light filters |
| DE102005026007A1 (en) * | 2005-06-03 | 2006-12-07 | Beiersdorf Ag | Cosmetic preparations containing a special aniseed extract and sulfonated light filters |
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