EP1603516A1 - Emollient mixture and use thereof as a mineral oil substitute - Google Patents

Emollient mixture and use thereof as a mineral oil substitute

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Publication number
EP1603516A1
EP1603516A1 EP04719386A EP04719386A EP1603516A1 EP 1603516 A1 EP1603516 A1 EP 1603516A1 EP 04719386 A EP04719386 A EP 04719386A EP 04719386 A EP04719386 A EP 04719386A EP 1603516 A1 EP1603516 A1 EP 1603516A1
Authority
EP
European Patent Office
Prior art keywords
ester
mixture according
emollient mixture
polyalphaolefin
fatty acid
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.)
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Application number
EP04719386A
Other languages
German (de)
French (fr)
Inventor
Achim Ansmann
Bettina Jackwerth
Gary Dee
Stefan BRÜNING
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cognis IP Management GmbH
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Cognis IP Management GmbH
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Publication date
Application filed by Cognis IP Management GmbH filed Critical Cognis IP Management GmbH
Publication of EP1603516A1 publication Critical patent/EP1603516A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8105—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • A61K8/8111—Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin

Definitions

  • the invention relates to an emollient mixture which is particularly suitable as a sensory replacement for mineral oil in cosmetic preparations.
  • Mineral oils of different origins are used as the base material in numerous cosmetic preparations such as body lotions, creams and stick preparations.
  • mineral oil has the disadvantage that it is not a chemically uniform and precisely described material and forms an oily, impermeable film on the skin. This will trap moisture under the film and prevent normal skin breathing. Attempts have already been made to develop alternatives to mineral oil, but these have not been able to meet the sensory properties. There is therefore a need for a replacement of the mineral oil in cosmetic preparations, which is comparable to the mineral oil in particular with regard to its sensory properties and does not have its negative properties.
  • the object of the invention is accordingly to provide such a replacement.
  • the emollient mixture according to the invention is characterized in that, in addition to a polyalphaolefin, it comprises at least one ester which is selected from esters of a C ⁇ -i ⁇ fatty acid with a C 3 -i2 alcohol and the esters of adipic acid with a Cs-12 alcohol ,
  • the proportion of the ester in the total amount of ester and polyalphaolefin is 10 to 90% by weight. Accordingly, the proportion of the polyalphaolefin is 90 to 10% by weight.
  • Particularly suitable fatty acid esters are those which have 12 to 18 carbon atoms in the fatty acid residue.
  • the alcohol residue in the fatty acid ester preferably contains 3 to 8 carbon atoms. The same applies to the alcohol residue in the adipic acid ester.
  • the alcohol residues are preferably monoalcohols and can be branched or unbranched. The compounds can be used either alone or in combination.
  • esters are selected from di-n-butyl adipate (for example Cetiol® B from Cognis Deutschland GmbH & Co. KG), ethylhexyl cocoate (for example Cetiol® OC from Cognis Deutschland GmbH & Co. KG), ethylhexyl palmitate (for example Cegesoft ® C 24 from Cognis Deutschland GmbH & Co. KG), ethylhexyl stearate (for example Cetiol® 868 from Cognis Deutschland GmbH & Co. KG), isopropyl myristate (available from Cognis Deutschland GmbH & Co. KG) and isopropyl palmitate (available from Cognis Deutschland GmbH & Co. KG).
  • di-n-butyl adipate for example Cetiol® B from Cognis Deutschland GmbH & Co. KG
  • ethylhexyl cocoate for example Cetiol® OC from Cognis Deutschland GmbH & Co.
  • emollients which are basically known in the field of cosmetics.
  • emollient mixtures are obtained which are excellent as a mineral oil substitute in cosmetics.
  • the emollient mixtures according to the invention are on a par with mineral oils, while their skin-caring effect surpasses the latter.
  • the so-called negative occlusive effect that is observed with mineral oils does not occur with the emollient mixtures according to the invention.
  • Polyalphaolefins are obtained by oligomerization of alpha olefins, which in turn are obtained by oligomerization of ethylene.
  • the degree of oligomerization can be controlled so that polyalphaolefins of different molecular weights and thus also different viscosities are obtained.
  • the double bonds still present in the polyalphaolefins after the oligomerization can then be hydrogenated.
  • Such hydrogenated polyalphaolefins are preferably used according to the invention.
  • oligomers in particular the dimers, of 1-decene or 1-dodecene and here in particular the hydrogenated products are particularly suitable for use in the emollient mixture according to the invention.
  • the selection of the polyalphaolefin depends, among other things, on the intended use of the emollient mixture according to the invention.
  • One criterion is, for example, the one desired in the end product Viscosity.
  • such polyalphaolefins with a kinematic viscosity at 100 ° C. of 1 to 100 cSt, preferably 1 to 40 cSt and in particular 1.5 to 10 cSt are suitable, for example.
  • Such PAOs are available, for example, from Chevron Phillips Chemical Company LP under the name "Synfluid®”. "Synfluid® PAO 2 cSt" can be mentioned as an example of a particularly suitable representative. It is a hydrogenated dide with a viscosity at 100 ° C of about 2 cSt.
  • the amount of PAOs used in the emollient mixture according to the invention and in particular the ratio of the PAO to the ester used depends, inter alia, on the type of components selected and the later use of the emollient mixture according to the invention.
  • Suitable proportions of the ester, based on the total amount of ester and PAO are, for example, 20 to 80% by weight and preferably 25 to 75% by weight. Portions of the ester of 40 to 75% by weight are particularly suitable.
  • the proportion of PAO, based on the total amount of ester and PAO is 80 to 20% by weight and preferably 75 to 25% by weight. Fractions of the PAO of 25 to 60% by weight are particularly suitable.
  • the emollient mixture contains no further components apart from esters and polyalphaolefins.
  • the proportion of this further emoIIient in the emollient mixture according to the invention is advantageously not more than 50% by weight and suitably not more than 30% by weight. It is particularly preferred if the mixture according to the invention contains only emoIIients and no other compounds.
  • EmoUient that has also been used in cosmetic preparations can be used as a further EmoUient.
  • the addition of Guerbet alcohols or fatty acid glycerides with 6 to 24 carbon atoms and in particular 8 to 18 carbon atoms in the fatty acid residue has proven to be particularly suitable.
  • the Guerbet alcohols which are obtainable by dimerization of unsaturated linear fatty alcohols and which have an alkyl radical with preferably 2 to 18 carbon atoms in the ⁇ -position to the terminal CH2 ⁇ H group, are basically known compounds.
  • 2-hexyldecanol, 2-butyloctanol and 2-octyldodecanol are suitable.
  • Preferred examples are 2-octyldodecanol and 2-Hexyldecanol, which are available under the names Eutanol ® G or Eutanol® G 16 from Cognis GmbH & Co. KG.
  • the Cs-is fatty acid di- and triglycerides are preferred.
  • the synthetically produced glycerides are usually mixtures which, in addition to di- and triglycerides, can also contain smaller amounts of monoglycerides.
  • Example of a suitable mixture of predominantly di- and triglycerides of Cs-is-fatty acids is myritol ®, which is available from Cognis Germany GmbH & Co. KG 331st Cegesoft ® PS 6 from Cognis Deutschland GmbH & Co. KG can be mentioned as an example of a triglyceride in the chain length range from 12 to 18 carbon atoms.
  • EmoIIients depends on the type and intended use. Suitable amounts are, for example, 0.1 to 50% by weight, in particular 5 to 40% by weight and preferably 10 to 30% by weight, of the further emulsion, based on the total amount of ester and polyalphaolefin.
  • the emollient mixtures produced in Examples 2 and 4 according to the invention were compared in a sensory test by five trained test persons with mineral oil according to Comparative Example 1.
  • the mixtures were each applied to the test person's forearm and the following criteria were rated on a scale from -2 to +2: distribution (-2: difficult to +2: easy), adsorption (-2: difficult to +2: light), stickiness (-2: high to +2: low), oiliness (-2: high to +2: low), waxy (-2: high to +2: low), velvety (-2: low to + 2: high), softness (-2: low to +2: high) and dryness (-2: low to +2: high).
  • Table 2 The results are summarized in the table below as mean values of the individual assessments. Table 2

Abstract

The invention relates to an emollient mixture which is especially suitable as a mineral oil substitute in cosmetic compositions. Said emollient mixture comprises at least one ester selected from the esters of a C8-18 fatty acid containing a C3-12 alcohol and the esters of an adipic acid containing a C3-12 alcohol, combined with a polyalphaolefin. The proportion of the ester amounts to between 10 and 90 wt. % in relation to the total quantity of the ester and the polyalphaolefin.

Description

Emollient-Mischung und deren Verwendung als MineralölersatzEmollient mixture and its use as a mineral oil substitute
Gebiet der ErfindungField of the Invention
Die Erfindung betrifft eine Emollient-Mischung, die sich besonders als sensorischer Ersatz für Mineralöl in kosmetischen Zubereitungen eignet.The invention relates to an emollient mixture which is particularly suitable as a sensory replacement for mineral oil in cosmetic preparations.
Stand der TechnikState of the art
Mineralöle unterschiedlicher Herkunft werden als Grundstoff in zahlreichen kosmetischen Zubereitungen wie Körperlotionen, Cremes und Stiftpräparaten eingesetzt. Mineralöl hat jedoch den Nachteil, dass es kein chemisch einheitliches und genau beschriebenes Material ist und auf der Haut einen öligen, undurchlässigen Film bildet. Dieser führt dazu, dass Feuchtigkeit unter dem Film eingeschlossen und die normale Hautatmung verhindert wird. Es hat bereits Versuche gegeben, Alternativen zu Mineralöl zu entwickeln, die aber die sensorischen Eigenschaften nicht treffen konnten. Es besteht daher ein Bedarf an einem Ersatz des Mineralöls in kosmetischen Zubereitungen, welcher insbesondere hinsichtlich seiner sensorischen Eigenschaften dem Mineralöl vergleichbar ist und dessen negative Eigenschaften nicht aufweist.Mineral oils of different origins are used as the base material in numerous cosmetic preparations such as body lotions, creams and stick preparations. However, mineral oil has the disadvantage that it is not a chemically uniform and precisely described material and forms an oily, impermeable film on the skin. This will trap moisture under the film and prevent normal skin breathing. Attempts have already been made to develop alternatives to mineral oil, but these have not been able to meet the sensory properties. There is therefore a need for a replacement of the mineral oil in cosmetic preparations, which is comparable to the mineral oil in particular with regard to its sensory properties and does not have its negative properties.
Aufgabe der Erfindung ist es entsprechend, einen derartigen Ersatz zur Verfügung zu stellen.The object of the invention is accordingly to provide such a replacement.
Beschreibung der ErfindungDescription of the invention
Die Lösung dieser Aufgabe gelingt mit der Emollient-Mischung gemäß Anspruch 1. Bevorzugte Ausführungsformen sind den Unteransprüchen zu entnehmen. Außerdem betrifft die Erfindung die Verwendung der Emollient-Mischung gemäß Anspruch 15 sowie ein kosmetisches Mittel gemäß Anspruch 16.This object is achieved with the emollient mixture according to claim 1. Preferred embodiments can be found in the subclaims. In addition, the invention relates to the use of the emollient mixture according to claim 15 and a cosmetic agent according to claim 16.
Die erfindungsgemäße Emollient-Mischung ist dadurch gekennzeichnet, dass sie neben einem Polyalphaolefin wenigstens einen Ester umfasst, der ausgewählt ist aus Estern einer Cβ-iβ-Fettsäure mit einem C3-i2-Alkohol sowie den Estern von Adipinsäure mit einem Cs-12-Alkohol. Der Anteil des Esters in der Gesamtmenge aus Ester und Polyalphaolefin liegt dabei bei 10 bis 90 Gew.-%. Entsprechend beträgt der Anteil des Polyalphaolefins 90 bis 10 Gew.-%. Als Fettsäureester sind besonders solche geeignet, die 12 bis 18 Kohlenstoffatome im Fettsäurerest aufweisen. Der Alkoholrest im Fettsäureester enthält bevorzugt 3 bis 8 Kohlenstoffatome. Gleiches gilt für den Alkoholrest im Adipinsäureester. Die Alkoholreste sind bevorzugt Monoalkohole und können verzweigt oder unverzweigt sein. Die Verbindungen können entweder allein oder in Kombination miteinander verwendet werden.The emollient mixture according to the invention is characterized in that, in addition to a polyalphaolefin, it comprises at least one ester which is selected from esters of a Cβ-iβ fatty acid with a C 3 -i2 alcohol and the esters of adipic acid with a Cs-12 alcohol , The proportion of the ester in the total amount of ester and polyalphaolefin is 10 to 90% by weight. Accordingly, the proportion of the polyalphaolefin is 90 to 10% by weight. Particularly suitable fatty acid esters are those which have 12 to 18 carbon atoms in the fatty acid residue. The alcohol residue in the fatty acid ester preferably contains 3 to 8 carbon atoms. The same applies to the alcohol residue in the adipic acid ester. The alcohol residues are preferably monoalcohols and can be branched or unbranched. The compounds can be used either alone or in combination.
Besonders gut geeignete Ester sind ausgewählt aus Di-n-butyladipat (zum Beispiel Cetiol® B der Cognis Deutschland GmbH & Co. KG), Ethylhexylcocoat (zum Beispiel Cetiol® OC der Cognis Deutschland GmbH & Co. KG), Ethylhexylpalmitat (zum Beispiel Cegesoft® C 24 der Cognis Deutschland GmbH & Co. KG), Ethylhexylstearat (zum Beispiel Cetiol® 868 der Cognis Deutschland GmbH & Co. KG), Isopropylmyristat (erhältlich von Cognis Deutschland GmbH & Co. KG) und Isopropylpalmitat (erhältlich von Cognis Deutschland GmbH & Co. KG).Particularly suitable esters are selected from di-n-butyl adipate (for example Cetiol® B from Cognis Deutschland GmbH & Co. KG), ethylhexyl cocoate (for example Cetiol® OC from Cognis Deutschland GmbH & Co. KG), ethylhexyl palmitate (for example Cegesoft ® C 24 from Cognis Deutschland GmbH & Co. KG), ethylhexyl stearate (for example Cetiol® 868 from Cognis Deutschland GmbH & Co. KG), isopropyl myristate (available from Cognis Deutschland GmbH & Co. KG) and isopropyl palmitate (available from Cognis Deutschland GmbH & Co. KG).
Bei den genannten Verbindungen handelt es sich um im Bereich der Kosmetik grundsätzlich bekannte Emollients. In Kombination mit den ebenfalls bekannten Polyalphaolefinen werden Emollient- Mischungen erhalten, die sich exzellent als Mineralölersatz in Kosmetika eignen. Hinsichtlich ihrer sensorischen Eigenschaften sind die erfindungsgemäßen Emollient-Mischungen den Mineralölen ebenbürtig, während sie in ihrer hautpflegenden Wirkung letztere übertreffen. Der so genannte negative Okklu- siveffekt, der bei Mineralölen beobachtet wird, tritt bei den erfindungsgemäßen Emollient-Mischungen nicht auf.The compounds mentioned are emollients which are basically known in the field of cosmetics. In combination with the also known polyalphaolefins, emollient mixtures are obtained which are excellent as a mineral oil substitute in cosmetics. With regard to their sensory properties, the emollient mixtures according to the invention are on a par with mineral oils, while their skin-caring effect surpasses the latter. The so-called negative occlusive effect that is observed with mineral oils does not occur with the emollient mixtures according to the invention.
Polyalphaolefine (PAOs) werden durch Oligomerisierung von Alphaolefinen gewonnen, die ihrerseits wiederum durch Oligomerisierung von Ethylen gewonnen werden. Der Oligomerisierungsgrad kann dabei so gesteuert werden, dass Polyalphaolefine unterschiedlicher Molekulargewichte und damit auch unterschiedlicher Viskosität erhalten werden. Die nach der Oligomerisierung in den Polyalphaolefinen noch enthaltenen Doppelbindungen können anschließend hydriert werden. Derartige hydrierte Polyalphaolefine werden erfindungsgemäß bevorzugt eingesetzt.Polyalphaolefins (PAOs) are obtained by oligomerization of alpha olefins, which in turn are obtained by oligomerization of ethylene. The degree of oligomerization can be controlled so that polyalphaolefins of different molecular weights and thus also different viscosities are obtained. The double bonds still present in the polyalphaolefins after the oligomerization can then be hydrogenated. Such hydrogenated polyalphaolefins are preferably used according to the invention.
Für den Einsatz in der erfindungsgemäßen Emollient-Mischung besonders geeignet sind die Oligome- re, insbesondere die Dimere, von 1-Decen oder 1-Dodecen und hier insbesondere die hydrierten Produkte.The oligomers, in particular the dimers, of 1-decene or 1-dodecene and here in particular the hydrogenated products are particularly suitable for use in the emollient mixture according to the invention.
Die Auswahl des Polyalphaolefins hängt unter anderem von der beabsichtigten Verwendung der erfindungsgemäßen Emollient-Mischung ab. Ein Kriterium ist beispielsweise die im Endprodukt gewünschte Viskosität. In der erfindungsgemäßen Emollient-Mischung sind zum Beispiel solche Polyalphaolefine mit einer kinematischen Viskosität bei 100 °C von 1 bis 100 cSt, bevorzugt 1 bis 40 cSt und insbesondere 1 ,5 bis 10 cSt geeignet. Derartige PAOs sind beispielsweise von der Chevron Phillips Chemical Company LP unter der Bezeichnung "Synfluid®" erhältlich. Als Beispiel eines besonders geeigneten Vertreters kann "Synfluid® PAO 2 cSt" genannt werden. Es handelt sich hierbei um ein hydriertes Dide- cen mit einer Viskosität bei 100 °C von etwa 2 cSt.The selection of the polyalphaolefin depends, among other things, on the intended use of the emollient mixture according to the invention. One criterion is, for example, the one desired in the end product Viscosity. In the emollient mixture according to the invention, such polyalphaolefins with a kinematic viscosity at 100 ° C. of 1 to 100 cSt, preferably 1 to 40 cSt and in particular 1.5 to 10 cSt are suitable, for example. Such PAOs are available, for example, from Chevron Phillips Chemical Company LP under the name "Synfluid®". "Synfluid® PAO 2 cSt" can be mentioned as an example of a particularly suitable representative. It is a hydrogenated dide with a viscosity at 100 ° C of about 2 cSt.
Die Menge der eingesetzten PAOs in der erfindungsgemäßen Emollient-Mischung und insbesondere das Verhältnis des PAO zum eingesetzten Ester richtet sich unter anderem nach der Art der ausgewählten Komponenten sowie der späteren Verwendung der erfindungsgemäßen Emollient-Mischung. Geeignete Anteile des Esters, bezogen auf die Gesamtmenge an Ester und PAO, liegen beispielsweise bei 20 bis 80 Gew.-% und bevorzugt bei 25 bis 75 Gew.-%. Besonders geeignet sind Anteile des Esters von 40 bis 75 Gew.-%. Entsprechend liegt der Anteil des PAOs, bezogen auf die Gesamtmenge an Ester und PAO, bei 80 bis 20 Gew.-% und bevorzugt bei 75 bis 25 Gew.-%. Besonders geeignet sind Anteile des PAOs von 25 bis 60 Gew.-%.The amount of PAOs used in the emollient mixture according to the invention and in particular the ratio of the PAO to the ester used depends, inter alia, on the type of components selected and the later use of the emollient mixture according to the invention. Suitable proportions of the ester, based on the total amount of ester and PAO, are, for example, 20 to 80% by weight and preferably 25 to 75% by weight. Portions of the ester of 40 to 75% by weight are particularly suitable. Correspondingly, the proportion of PAO, based on the total amount of ester and PAO, is 80 to 20% by weight and preferably 75 to 25% by weight. Fractions of the PAO of 25 to 60% by weight are particularly suitable.
In einer bevorzugten Variante der Erfindung enthält die Emollient-Mischung außer Ester und Polyalphaolefin keine weiteren Komponenten. Alternativ ist es jedoch ebenfalls möglich, neben Ester und Polyalphaolefin wenigstens ein weiteres EmoUient in der Emollient-Mischung einzusetzen. Zweckmäßig liegt der Anteil dieses weiteren EmoIIients in der erfindungsgemäßen Emollient-Mischung jedoch nicht über 50 Gew.-% und zweckmäßig nicht über 30 Gew.-%. Besonders bevorzugt ist es, wenn in der erfindungsgemäßen Mischung nur EmoIIients enthalten sind und keine sonstigen Verbindungen.In a preferred variant of the invention, the emollient mixture contains no further components apart from esters and polyalphaolefins. Alternatively, however, it is also possible to use at least one further emoient in the emollient mixture in addition to the ester and polyalphaolefin. However, the proportion of this further emoIIient in the emollient mixture according to the invention is advantageously not more than 50% by weight and suitably not more than 30% by weight. It is particularly preferred if the mixture according to the invention contains only emoIIients and no other compounds.
Als weiteres EmoUient kann grundsätzlich jedes EmoUient verwendet werden, das auch bisher in kosmetischen Zubereitungen Verwendung gefunden hat. Als besonders geeignet hat sich der Zusatz von Guerbetalkoholen oder von Fettsäureglyceriden mit 6 bis 24 Kohlenstoffatomen und insbesondere 8 bis 18 Kohlenstoffatomen im Fettsäurerest erwiesen.In principle, any EmoUient that has also been used in cosmetic preparations can be used as a further EmoUient. The addition of Guerbet alcohols or fatty acid glycerides with 6 to 24 carbon atoms and in particular 8 to 18 carbon atoms in the fatty acid residue has proven to be particularly suitable.
Die Guerbetalkohole, die durch Dimerisierung ungesättigter linearer Fettalkohole erhältlich sind und in α-Stellung zur endständigen CH2θH-Gruppe einen Alkylrest mit vorzugsweise 2 bis 18 Kohlenstoffatomen aufweisen, sind grundsätzlich bekannte Verbindungen. Geeignet sind zum Beispiel 2- Hexyldecanol, 2-Butyloctanol und 2-Octyldodecanol. Bevorzugte Beispiele sind 2-Octyldodecanol und 2-Hexyldecanol, die unter der Bezeichnung Eutanol® G beziehungsweise Eutanol® G 16 von der Cognis Deutschland GmbH & Co. KG erhältlich sind.The Guerbet alcohols, which are obtainable by dimerization of unsaturated linear fatty alcohols and which have an alkyl radical with preferably 2 to 18 carbon atoms in the α-position to the terminal CH2θH group, are basically known compounds. For example, 2-hexyldecanol, 2-butyloctanol and 2-octyldodecanol are suitable. Preferred examples are 2-octyldodecanol and 2-Hexyldecanol, which are available under the names Eutanol ® G or Eutanol® G 16 from Cognis Deutschland GmbH & Co. KG.
Unter den Fettsäureglyceriden sind die Cs-is-Fettsäuredi- und -triglyceride bevorzugt. Bei den synthetisch hergestellten Glyceriden handelt es sich üblicherweise um Mischungen, die neben Di- und Triglyceriden auch geringere Mengen an Monoglyceriden enthalten können. Beispiel einer geeigneten Mischung aus überwiegend Di- und Triglyceriden von Cs-is-Fettsäuren ist Myritol® 331, welches von der Cognis Deutschland GmbH & Co. KG erhältlich ist. Als Beispiel eines Triglycerids im Kettenlängenbe- reich von 12 bis 18 Kohlenstoffatomen kann Cegesoft® PS 6 der Cognis Deutschland GmbH & Co. KG genannt werden.Among the fatty acid glycerides, the Cs-is fatty acid di- and triglycerides are preferred. The synthetically produced glycerides are usually mixtures which, in addition to di- and triglycerides, can also contain smaller amounts of monoglycerides. Example of a suitable mixture of predominantly di- and triglycerides of Cs-is-fatty acids is myritol ®, which is available from Cognis Germany GmbH & Co. KG 331st Cegesoft ® PS 6 from Cognis Deutschland GmbH & Co. KG can be mentioned as an example of a triglyceride in the chain length range from 12 to 18 carbon atoms.
Der Anteil des' weiteren EmoIIients richtet sich nach Art und beabsichtigter Verwendung. Geeignete Mengen liegen beispielsweise bei 0,1 bis 50 Gew.-%, insbesondere 5 bis 40 Gew.-% und bevorzugt 10 bis 30 Gew.-% des weiteren EmoIIients, bezogen auf die Gesamtmenge aus Ester und Polyalphaolefin. The proportion of 'further EmoIIients depends on the type and intended use. Suitable amounts are, for example, 0.1 to 50% by weight, in particular 5 to 40% by weight and preferably 10 to 30% by weight, of the further emulsion, based on the total amount of ester and polyalphaolefin.
BeispieleExamples
Die Erfindung soll nachfolgend anhand von Beispielen näher erläutert werden. Die Zahlenwerte für die in der nachfolgenden Tabelle 1 zusammengestellten Beispiele sind in Gew.-% angegeben.The invention will be explained in more detail below with the aid of examples. The numerical values for the examples summarized in Table 1 below are given in% by weight.
Tabelle 1Table 1
1) Ethylhexyl Cocoate (Cognis Deutschland GmbH & Co. KG) 6) Octyldodecanol (Cognis Deutschland GmbH H Co. KG) 1) Ethylhexyl Cocoate (Cognis Deutschland GmbH & Co. KG) 6) Octyldodecanol (Cognis Deutschland GmbH H Co. KG)
2> Cognis Deutschland GmbH & Co. KG 7) Hexyldecanol (Cognis Deutschland GmbH & Co. KG) 2 > Cognis Deutschland GmbH & Co. KG 7) Hexyldecanol (Cognis Deutschland GmbH & Co. KG)
3> Hydrogenated Didecene (Chevron Phillips Chemical Co. LP) 8> Carnation® White Mineral Oil (INCI: Mineral Oil, CAS 3 > Hydrogenated Didecene (Chevron Phillips Chemical Co. LP) 8 > Carnation® White Mineral Oil (INCI: Mineral Oil, CAS
4) Cocoglycerides (Cognis Deutschland GmbH & Co. KG) 8042-47-5; WITCO) 4) Cocoglycerides (Cognis Deutschland GmbH & Co. KG) 8042-47-5; WITCO)
5> C16-C18 Triglycerides (Cognis Deutschland GmbH & Co. KG) 5 > C16-C18 triglycerides (Cognis Deutschland GmbH & Co. KG)
Sensorische AuswertungSensory evaluation
Die in den erfindungsgemäßen Beispielen 2 und 4 hergestellten Emollient-Mischungen wurden in sensorischen Tests von fünf geschulten Testpersonen mit Mineralöl gemäß Vergleichsbeispiel 1 verglichen. Hierzu wurden die Mischungen jeweils auf den Unterarm der Testperson aufgetragen, und folgende Kriterien wurden nach einer Skala von - 2 bis + 2 bewertet: Verteilung (-2: schwierig bis +2: leicht), Adsorption (-2: schwierig bis +2: leicht), Klebrigkeit (-2: hoch bis +2: gering), Öligkeit (-2: hoch bis +2: gering), Wachsigkeit (-2: hoch bis +2: gering), Samtigkeit (-2: gering bis +2: hoch), Weichheit (-2: gering bis +2: hoch) und Trockenheit (-2: gering bis +2: hoch). Die Ergebnisse sind als Mittelwerte der individuellen Beurteilungen in der nachfolgenden Tabelle zusammengestellt. Tabelle 2The emollient mixtures produced in Examples 2 and 4 according to the invention were compared in a sensory test by five trained test persons with mineral oil according to Comparative Example 1. For this purpose, the mixtures were each applied to the test person's forearm and the following criteria were rated on a scale from -2 to +2: distribution (-2: difficult to +2: easy), adsorption (-2: difficult to +2: light), stickiness (-2: high to +2: low), oiliness (-2: high to +2: low), waxy (-2: high to +2: low), velvety (-2: low to + 2: high), softness (-2: low to +2: high) and dryness (-2: low to +2: high). The results are summarized in the table below as mean values of the individual assessments. Table 2

Claims

Patentansprüche claims
1. Emollient-Mischung, dadurch gekennzeichnet, dass sie wenigstens einen Ester, ausgewählt aus den Estern einer Cs-iβ-Fettsäure mit einem C3-i2-Alkohol sowie den Estern von Adipinsäure mit einem C3-i2-Alkohol, in Kombination mit einem Polyalphaolefin umfasst und der Anteil des Esters bei 10 bis 90 Gew.-%, bezogen auf die Gesamtmenge an Ester und Polyalphaolefin, liegt.1. Emollient mixture, characterized in that it contains at least one ester selected from the esters of a Cs-iβ fatty acid with a C3-i2 alcohol and the esters of adipic acid with a C3-i2 alcohol, in combination with a polyalphaolefin comprises and the proportion of the ester is 10 to 90 wt .-%, based on the total amount of ester and polyalphaolefin.
2. Emollient-Mischung gemäß Anspruch 1 , dadurch gekennzeichnet, dass der Ester ein Fettsäureester mit 12 bis 18 Kohlenstoffatomen im Fettsäurerest ist.2. Emollient mixture according to claim 1, characterized in that the ester is a fatty acid ester having 12 to 18 carbon atoms in the fatty acid residue.
3. Emollient-Mischung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Ester ein Fettsäureester oder ein Adipinsäureester mit 3 bis 8 Kohlenstoffatomen im Alkoholrest ist.3. Emollient mixture according to claim 1 or 2, characterized in that the ester is a fatty acid ester or an adipic acid ester having 3 to 8 carbon atoms in the alcohol radical.
4. Emollient-Mischung gemäß Anspruch 3, dadurch gekennzeichnet, dass der Ester ausgewählt ist aus Dibutyladipat, Ethylhexylcocoat, Ethylhexylpalmitat, Ethylhexylstearat, Isopropylmyristat und Isopropylpalmitat.4. Emollient mixture according to claim 3, characterized in that the ester is selected from dibutyl adipate, ethylhexyl cocoate, ethylhexyl palmitate, ethylhexyl stearate, isopropyl myristate and isopropyl palmitate.
5. Emollient-Mischung gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Polyalphaolefin ein hydriertes Polyalphaolefin ist.5. Emollient mixture according to one of claims 1 to 4, characterized in that the polyalphaolefin is a hydrogenated polyalphaolefin.
6. Emollient-Mischung gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Polyalphaolefin ein Oligomer, insbesondere Dimer, von 1-Decen oder 1-Dodecen ist.6. Emollient mixture according to one of claims 1 to 5, characterized in that the polyalphaolefin is an oligomer, in particular dimer, of 1-decene or 1-dodecene.
7. . Emollient-Mischung gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Polyalphaolefin eine kinetische Viskosität bei 100 °C von 1 bis 100 cSt, bevorzugt 1 bis 40 cSt und insbesondere 1,5 bis 10 cSt aufweist.7.. Emollient mixture according to one of claims 1 to 6, characterized in that the polyalphaolefin has a kinetic viscosity at 100 ° C of 1 to 100 cSt, preferably 1 to 40 cSt and in particular 1.5 to 10 cSt.
8. Emollient-Mischung gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Anteil des Esters 20 bis 80 Gew.-%, bevorzugt 25 bis 75 Gew.-% und insbesondere 40 bis 75 Gew.-%, bezogen auf die Gesamtmenge an Ester und Polyalphaolefin, beträgt. 8. Emollient mixture according to one of claims 1 to 7, characterized in that the proportion of the ester 20 to 80 wt .-%, preferably 25 to 75 wt .-% and in particular 40 to 75 wt .-%, based on the Total amount of ester and polyalphaolefin.
9. Emollient-Mischung gemäß einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie aus Ester und Polyalphaolefin besteht.9. Emollient mixture according to one of claims 1 to 8, characterized in that it consists of ester and polyalphaolefin.
10. Emollient-Mischung gemäß einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sie, bezogen auf ihre Gesamtmenge, bis zu 50 Gew.-% und insbesondere bis zu 30 Gew.-% wenigstens eines weiteren EmoIIients enthält.10. Emollient mixture according to one of claims 1 to 8, characterized in that it contains, based on its total amount, up to 50 wt .-% and in particular up to 30 wt .-% of at least one further emoIIient.
11. Emollient-Mischung gemäß Anspruch 10, dadurch gekennzeichnet, dass das weitere EmoUient ausgewählt ist aus Guerbetalkoholen und C6-24-Fettsäureglyceriden, insbesondere Cβ-iβ- Fettsäureglyceriden.11. Emollient mixture according to claim 10, characterized in that the further emoient is selected from Guerbet alcohols and C6-24 fatty acid glycerides, in particular Cβ-iβ fatty acid glycerides.
12. Emollient-Mischung gemäß einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass der Guerbetalkohol ausgewählt ist aus 2-Hexyldecanol, 2-Butyloctanol und 2-Octyldodecanol.12. Emollient mixture according to one of claims 1 to 11, characterized in that the Guerbet alcohol is selected from 2-hexyldecanol, 2-butyloctanol and 2-octyldodecanol.
13. Emollient-Mischung gemäß Anspruch 11 oder 12, dadurch gekennzeichnet, dass das Fettsäu- reglycerid ausgewählt ist aus Cs-iβ-Fettsäurediglyceriden, Ca-is- und insbesondere C12-18- Fett- säuretriglyceriden oder deren Mischungen.13. Emollient mixture according to claim 11 or 12, characterized in that the fatty acid glyceride is selected from Cs-iβ fatty acid diglycerides, Ca-is and in particular C12-18 fatty acid triglycerides or mixtures thereof.
14. Emollient-Mischung gemäß einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass das weitere EmoUient in einem Anteil von 0,1 bis 50 Gew.-%, bevorzugt 5 bis 40 Gew.-% und insbesondere 10 bis 30 Gew.-%, bezogen auf die Gesamtmenge von Ester und Polyalphaolefin, vorhanden ist.14. Emollient mixture according to one of claims 10 to 13, characterized in that the further emoient in a proportion of 0.1 to 50 wt .-%, preferably 5 to 40 wt .-% and in particular 10 to 30 wt .-% %, based on the total amount of ester and polyalphaolefin, is present.
15. Verwendung der Emollient-Mischung gemäß einem der Ansprüche 1 bis 14 als Mineralölersatz in kosmetischen Zusammensetzungen.15. Use of the emollient mixture according to one of claims 1 to 14 as a mineral oil substitute in cosmetic compositions.
16. Kosmetisches Mittel, dadurch gekennzeichnet, dass es die Emollient-Mischung gemäß einem der Ansprüche 1 bis 9 enthält. 16. Cosmetic agent, characterized in that it contains the emollient mixture according to one of claims 1 to 9.
EP04719386A 2003-03-20 2004-03-11 Emollient mixture and use thereof as a mineral oil substitute Withdrawn EP1603516A1 (en)

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US20070116662A1 (en) * 2005-11-21 2007-05-24 James Zielinski Antiperspirant/deodorant compositions
ZA200905767B (en) * 2007-02-15 2010-10-27 Dow Global Technologies Inc Aqueous coating composition having reduced plate out
IT1393069B1 (en) * 2008-10-24 2012-04-11 B & T Srl Ora Hallstar Italia Srl MIXTURE OF FAT ACID ESTERS OF NATURAL ORIGIN AND ITS USE IN COSMETIC PREPARATIONS BASED ON OLIVE OIL DERIVATIVES
DE102009017827A1 (en) 2009-04-20 2010-10-21 Sasol Germany Gmbh Process for the preparation of branched hydrocarbons from fatty alcohols and use of such produced hydrocarbons
EP2795319B1 (en) 2011-12-20 2017-11-29 The Procter and Gamble Company Human skin sample methods and models for assessing tone-specific benefits of agents
FR3037968A1 (en) * 2015-06-29 2016-12-30 Total Marketing Services POLYOLEFINS AS SPECIAL FLUID

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