EP2470271A2 - Agents abrasifs à base de matières premières d'origine naturelle possédant des propriétés améliorant la rhéologie - Google Patents

Agents abrasifs à base de matières premières d'origine naturelle possédant des propriétés améliorant la rhéologie

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Publication number
EP2470271A2
EP2470271A2 EP10760361A EP10760361A EP2470271A2 EP 2470271 A2 EP2470271 A2 EP 2470271A2 EP 10760361 A EP10760361 A EP 10760361A EP 10760361 A EP10760361 A EP 10760361A EP 2470271 A2 EP2470271 A2 EP 2470271A2
Authority
EP
European Patent Office
Prior art keywords
flour
skin
weight
flours
treatment
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
Application number
EP10760361A
Other languages
German (de)
English (en)
Inventor
Petra Allef
Marcel Veeger
Wolfgang RÖCHER
Susann Wiechers
Andreas Landgraf
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.)
Deb IP Ltd
Original Assignee
Evonik Stockhausen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Stockhausen GmbH filed Critical Evonik Stockhausen GmbH
Publication of EP2470271A2 publication Critical patent/EP2470271A2/fr
Ceased 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
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9789—Magnoliopsida [dicotyledons]
    • 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
    • A61Q19/10—Washing or bathing preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/28—Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants

Definitions

  • the invention relates to abrasives (abrasives), cosmetic products, in particular skin and hand cleaners containing these abrasives, as well as their use for the removal of extreme soiling.
  • An essential component of cosmetic products, in particular cleaning and treatment agents, is the friction agent, which has the task of mechanically supporting the cleaning action of detergent-active or surfactant-like components.
  • Numerous inorganic and organic materials are described in the prior art which can be used in cleaning preparations as mechanical cleaning and treatment agents, in particular in hand cleansers or in so-called exfoliating creams and special cleansing gels. They serve to remove the upper, dead skin cells or skin contaminants, for example in the face or other parts of the body.
  • natural abrasives e.g. washed and ground shells of walnuts and ground apricot kernels or olive kernels, which, due to their hardness and grain size, are suitable for superficial skin cleansing.
  • Such natural abrasives have a gentle, very good cleansing effect, without scratching the skin.
  • EP 0 559 696 describes a process for the production of finely divided material from bleach, in particular hydrogen peroxide, from natural shells and / or cores, and the use of the bleached and low-germ abrasive obtained in cosmetic products.
  • EP 1 136 063 A2 proposes a bleaching process in which, in a "dry” process, peracids are sprayed onto the natural flour, which can be obtained as a biological material from a large number of vegetable materials, and are intended to cause lightening
  • the mixture of this biological material with the bleaching agent should contain at most 60% by weight of water, a post-maturing process being used after the mixing process, after 10 days the peroxide formed during the process should no longer be detectable in the product obtained.
  • DE 10 2005 054 976 describes a process for producing an abrasive substance, wherein natural kernels, trays, fruit pods and / or seeds are ground to a flour of defined grain size, the flour is treated in aqueous suspension with at least one bleach, the addition of the Bleach amount is carried out in two steps, in which in the first step, at least 40 wt .-% added to 90 wt .-% of Blleichffenge aparge and the flour is sterilized in an acidic medium and in the second step, the lightening and degreasing of the flour by simultaneous dosing of Blleichffenrestmenge with a Alkaline solution is effected in alkaline medium.
  • the Fat content of Abrasiva a non-negligible influence on the properties, in particular the viscosity of the cosmetics produced using the bleached Abrasiva, preferably skin and hand cleansers such as Grobhandrlick has.
  • the irradiated flours of the prior art have the disadvantage that, when incorporated into cosmetic products, after storage for several weeks, a marked decrease in the viscosity of the products is observed, which necessitates the use of viscosity stabilizers or the addition of viscosity-increasing agents .
  • the bleached flours of the prior art have the disadvantage that in their production large amounts of water and chemicals are used, which sometimes have to be disposed of consuming.
  • the object of the present invention was to provide a flour which does not have one or more disadvantages of the prior art and which in particular has less influence on the viscosity or long-term viscosity of the products made with this flour than the irradiated flours known from the prior art.
  • flours which have an extinction at a wavelength of 660 nm of ⁇ 1 in the form of a dispersion of 1 g of the flour, 10 ml of water and 1 ml of a 0.1% strength by weight aqueous methylene blue solution have significantly less influence on the (long-term viscosity) viscosity of the products made with them than conventional flours.
  • the present invention therefore relates to flours, cosmetic products and their use as described in the claims.
  • the flours according to the invention have the advantage that, when used for the production of cosmetic products, the viscosity of the products which is obtained directly after the preparation no longer changes or only slightly changes. Products that lose a high viscosity after production must be produced with a high initial viscosity to avoid instabilities during storage. However, these high-viscosity products can not be filled or only slowly, which is undesirable from the point of view of production efficiency.
  • the preferred flours which are obtained by a heat treatment also have the advantage that they are not only germ-free, but sterile, i. are also free from spores.
  • the present invention will be described below by way of example, without the invention being restricted to these exemplary embodiments. Given below, ranges, general formulas, or classes of compounds are intended to encompass not only the corresponding regions or groups of compounds explicitly mentioned, but also all sub-regions and sub-groups of compounds obtained by removing individual values (ranges) or compounds can be. If documents are cited in the context of the present description, their content, in particular the aspects mentioned in the citation, should form part of the disclosure content of the present invention. Unless otherwise indicated below, all% data are in% by mass and all mean data represent the number average.
  • the flour of plant components according to the invention is characterized in that a solution of 10 ml of water and 1 ml of a 0.1 wt .-% aqueous solution of methylene blue, which is brought into contact with 1 g of the flour, an extinction at a wavelength of 660 nm of ⁇ 1, preferably between 0.01 and 1, preferably between 0.05 and 0.5 and particularly preferably between 0.1 and 0.3.
  • the measurement of the extinction can be carried out so that 1 g of the flour to be measured with 10 ml of water and 1 ml of a 0.1 wt .-% aqueous methylene blue solution are stirred at 300 rpm for 10 minutes and the resulting mixture over a 1 ⁇ glass frit is filtered.
  • the stirring may, for. B. an electronic stirrer Multipoint HP 15 from Variomag be performed.
  • B. a 1 ⁇ glass frit of the type CHROMAFIL® GF-100/25 from Macherey-Nagel GmbH & Co KG are used.
  • the resulting filtrate is then subjected to a spectrophotometer CADAS 200 from Hach Lange GmbH measured the extinction at a wavelength of 660 nm against deionized water as standard.
  • CADAS 200 from Hach Lange GmbH measured the extinction at a wavelength of 660 nm against deionized water as standard.
  • cuvettes those with a layer thickness of 10 mm, z. B. the type macro PS Cat. No. 634-2500 from VWR International GmbH.
  • the flour of the invention from all suitable plant components such as. B. bark, stem, fruit or leaves are obtained.
  • Flours according to the invention are preferably those which consist of the stem / stalk or the bark of a plant, such as e.g. As wood or straw meals, or fruits or parts thereof, such as. As fruit pods, trays, stems, spindles or seeds.
  • preferred flours are those based on natural shell or core flours such.
  • B. nutshell flours such as. Walnut shell meal or horseshoe shell meal, olive kernel flour, apricot kernel flour, almond shell flour, peach kernel flour, cherries flour, plum kernel flour, palm kernel flour, coconut shell meal, coconut flour, jojoba seed meal, macadamia nut (shell) flour, pistachio and pine shell flours, and kernel kernel flours or mixtures thereof.
  • walnut shell meal or corn cob spindle meal is particularly preferred as natural peel or core meal.
  • the flour according to the invention preferably has an average (number average) particle size of from 50 to 2000 ⁇ m, preferably from 70 to 1000 ⁇ m and particularly preferably from 80 to 200 ⁇ m.
  • the flour has a mass fraction with a particle size of ⁇ 100 ⁇ of at most 15 wt .-%, preferably at most 10 wt .-% and a mass fraction having a particle size of 100 to 200 ⁇ of at least 85 wt .-%, preferably at least 90 % By weight (determined with a vibrating screen according to DIN 4188).
  • the bulk density of the flours according to the invention is preferably from 250 to 750 g / l, preferably from 350 to 650 g / l and more preferably from 450 to 600 g / l (determined according to DIN 53466).
  • the flour according to the invention is preferably germ-free or germ-free. Flours with a total germ count of ⁇ 10 3 cfu / g, preferably ⁇ 250, are understood to be low in germs CFU / g, preferably ⁇ 10 2 CFU / g (determined in accordance with European Pharmacopoeia 5th edition, 6th supplement, chapter 2.6.12).
  • the flours can z. B. by treatment of the plant parts with the known in the art comminution apparatuses or mills, such as. B. in EP 0 559 696 have been executed, in particular fine impact mills with pendulum or slab beater, passage rolling mills, hammer or pin mills optionally with classifying aggregates, such. B. Condux mills, etc. are obtained. In order to obtain a defined grain size of the flours, they can in a conventional manner after comminuting / grinding z. B. classified by sieving.
  • Flour according to the invention preferably has a fat content, determined in accordance with the DGF unit method Bl 5 (87), (DGF unit methods German standard methods for the investigation of fats, fatty products, surfactants and related substances, Academicsliche Verlagsgesellschaft Stuttgart), of less than 1% by weight. %, preferably less than 0.5, preferably less than 0.3 wt .-% on.
  • the low-fat flour has the advantage that it can be incorporated particularly well in hydrophilic matrices and has little or no effect on the viscosity of the formula.
  • the flour of the invention is preferably heat treated and / or bleached, more preferably heat treated and not bleached. For the purposes of the present invention, bleaching is understood to mean the treatment of the flour with chemical oxidizing agents.
  • the flour according to the invention is preferably not irradiated or at least not exclusively irradiated.
  • flours according to the invention can be obtained in various ways.
  • flours according to the invention are obtained by subjecting an untreated flour to a heat treatment and / or a bleaching treatment, preferably a heat treatment and no bleaching treatment, and the parameters of the treatment are preferably chosen so as to obtain a flour which is characterized in that a solution of 10 ml of water and 1 ml of a 0.1% by weight aqueous methylene blue solution which is brought into contact with 1 g of the flour has an extinction at a wavelength of 660 nm of less than ( ⁇ ) 1.
  • the treatment of the flour is carried out as a heat treatment, this can be done in any manner known in the art.
  • the heat treatment can, for.
  • Example by treatment with hot air, I infrared radiation, steam, preferably alcohol and / or water, electrothermal treatment, such as.
  • electrothermal treatment such as.
  • the heat treatment is preferably carried out by treating the flours with steam, in particular steam, preferably saturated steam (saturated steam).
  • the treatment according to the invention of the flours preferably takes place in such a way that the flour to be treated is preferably for 30 sec. To 60 min., Preferably for 1 to 20 min. and more preferably for 2 to 10 minutes. a temperature of preferably 70 to 150 ° C, preferably 70 to 130 ° C, more preferably from 100 to 130 ° C and most preferably from 100 to 125 ° C is exposed. It may be advantageous if the heat treatment, in particular that with saturated steam, is carried out at an overpressure, preferably at an overpressure of at least 1.5 bar, preferably at an overpressure of from 2 to 3 bar.
  • the treated flour may preferably be subjected to a drying process, regardless of the treatment method. In this way, the storage stability of the flour can be increased.
  • a drying process for drying, methods known in the art may be used.
  • the drying is carried out by applying a negative pressure, preferably about 50 mbar with simultaneous temperature treatment, preferably at a temperature of greater than 25 ° C to less than 130 ° C.
  • the product is preferably cooled to 30 to 50 ° C.
  • the drying is preferably carried out so that a residual moisture of 20 wt .-%, preferably 10 wt .-% is not exceeded.
  • the residual moisture content is preferably ⁇ 10% by weight, in particular less than or equal to 9.5% by weight.
  • the determination of the residual moisture or the water content can be determined according to DIN 51777.
  • the invention preferred treatment of the flour with steam, preferably saturated steam is preferably carried out according to the following method:
  • the flour to be treated is placed in a pressure chamber.
  • the chamber is preheated to a temperature of 100 ° C or more, preferably from 100 to 125 ° C.
  • the chamber is evacuated, in particular to a pressure of about 50 mbar.
  • steam preferably saturated steam (ie water-saturated steam) to preferred wise 1 to 3 bar overpressure abandoned.
  • the temperature is preferably maintained for 2 to 10 minutes.
  • the chamber is evacuated again to about 50mbar. By evacuating, a dried product is obtained.
  • the product obtained after this treatment has a residual temperature of 25 to 45 ° C, preferably 35 ° C.
  • bleaching agent s
  • this can be carried out in principle as described in the prior art, in particular as described in DE 10 2005 054 976 and DE 103 29 933.
  • the heat treatment is preferred to bleaching because it produces far less wastewater and dispenses with the use of oxidizing agents.
  • bleaching agents it is possible to use all compounds which ensure irreversible destruction of the bacteria in the flours, the bleached flours being not or only insubstantially chemically modified in the bleaching treatment according to the invention, so that they can be used as abrasives in cosmetic products.
  • Such bleaching agents are e.g. so-called oxidizing bleaches, as described for example in Ullmann's Encyclopedia of Industrial Chemistry, 4th Edition, Vol. 8, pages 589-595.
  • Preferred are inorganic and organic peroxides such as e.g.
  • the abovementioned compounds alone can also be used as a mixture of at least two of these compounds in the process according to the invention.
  • the bleaching agent to be preferably used is aqueous hydrogen peroxide solution.
  • the flour according to the invention preferably heat-treated or the flour obtained by the process according to the invention can, for. B. for the production of products, preferably cosmetic products such.
  • products preferably cosmetic products such.
  • skin or hand cleansers, exfoliants, or surface cleaners especially in household and industrial surface cleaners, in particular as Abrasivum be used.
  • the use in solvent-free or solvent-containing hand wash pastes, in anhydrous skin cleansers and in exfoliating creams is preferred.
  • Preferred products, in particular cosmetic products according to the present invention are those which comprise a flour according to the invention or a flour prepared according to the invention.
  • a product according to the invention preferably contains from 1 to 30% by weight, preferably from 5 to 25% by weight and more preferably from 5 to 20% by weight, based on the total composition of the flour according to the invention.
  • the skin and hand cleansers may, for. B. be such as are known from DE 43 35933 A1, WO 99/06021, DE 197 48 921 A1, EP 1 152 051 A2 or DE 199 16 036 A1.
  • Preferred products according to the invention are those which have a content of at least 0.1% by weight, preferably from 0.5 to 10% by weight, preferably from 1 to 5% by weight.
  • Essential to the invention for the preferred product according to the invention, in particular cosmetic product, in addition to the presence of the flour according to the invention, is also the presence of a hydrophilic emollient which has an HLB value of> 8.
  • the HLB value is a measure of the water or oil solubility of predominantly nonionic surfactants and emulsifiers, for example in cosmetic products, and thus describes the hydrophilic part and the lipophilic part of a chemical compound.
  • an HLB value of 0 corresponds to a purely lipophilic compound.
  • a chemical compound with an HLB value of 20 has only hydrophilic Shares.
  • water-in-oil emulsions are assigned HLB values between 3 and 8, while oil-in-water emulsions have HLB values between 8 and 18 and detergents have HLB values between 13 and 15 (see also R ⁇ MPP Chemistry Lexicon). 10th edition, page 1764, keywords: HLB system, HLB value - and there cited literature).
  • emollients having an HLB value between 1 and 8 are designated as hydrophobic, with> 8 as hydrophilic.
  • the (cosmetic) products according to the invention in particular skin and hand cleansers, preferably have a content, in each case based on the total composition of the cleaning agent, of the components a. ) at least 0.1% by weight of at least one hydrophilic emollient, preferably a polyol ester,
  • cleaning enhancers selected from the group of polyols, polyethers, polyphosphates and phosphates,
  • inventive flours e.) 1 to 30 wt .-% of one or more inventive flours (abrasives), f. ) optionally one or more viscosity-forming agents,
  • the polyol esters to be used as component a.) which are to be regarded as hydrophilic emollients in the cosmetic products according to the invention, in particular skin and hand cleansers, may be, for example, partial glycerides, in particular polyglyceryl partial esters. According to the invention, preference is given to polyglyceryl partial esters of the general formula (I)
  • Ri linear, branched or cyclic, saturated or unsaturated alkyl or alkenyl radical having 6 to 18 carbon atoms and
  • n integer from 1 to 9.
  • the linear, branched or cyclic, saturated or unsaturated alkyl or alkenyl radical R 1 preferably has 6 to 16 and particularly preferably 8 to 12 carbon atoms.
  • the index n is preferably from 1 to 5, preferably from 2 to 3.
  • the polyglyceryl partial esters or polyglycerol fatty acid esters particularly preferred according to the invention are, for example, polyglyceryl-3-caprate or polyglyceryl-4-caprate, available from Evonik Goldschmidt GmBH are available under the name TEGOSOFT® PC31 and TEGOSOFT® PC41.
  • hydrophilic emollient a As hydrophilic emollient a., but also polyglycerol esters with a different structure, for example based on 1, 2 or 1, 3 linked polyglycerols, or polyglycerol ethers can be used. Likewise usable as hydrophilic emollients a.) Are polyethylene glycol esters, such as, for example, PEG-7 glyceryl cocoate, which is available from Croda Chemicals Europe Ltd. available under the name Glycerox HE. As hydrophilic emolients, component a.) In the cosmetic products according to the invention may also contain polysaccharide esters and / or polysaccharide ethers and / or polysaccharide glycosides having an HLB> 8, preferably> 10.
  • Sucrose esters are preferably used, such as 65 K and TEGOSOFT ® LSE 65K Soft can be obtained for example by the company. Evonik Goldschmidt GmbH under the names of TEGOSOFT ® LSE, and sorbitan esters, as shown under, for example, by the company. Evonik Goldschmidt GmbH the name Antil ® soft SC (sorbitan sesquicaprylate) can be obtained.
  • the proportion of component a.) In the cosmetic products of the invention is preferably up to 10 wt .-%, preferably 0.1 to 7.5 wt .-%, particularly preferably 0.5 to 5 wt .-%, based on the composition of the cosmetic product.
  • the hydrophilic emollients may be present alone or in combination as component a.) In the skin and hand cleansing compositions according to the invention.
  • the cosmetic products according to the invention contain 2 to 40% by weight, preferably 3 to 30% by weight and more preferably 5 to 20% by weight of surfactants b.), Preferably fatty alcohol ethoxylates, based on the composition of the cosmetic product ,
  • the fatty alcohol ethoxylates which can be used as component b.) Preferably have the general formula (II)
  • R 2 saturated, unsaturated, branched or unbranched alkyl radical, preferably with 6 to 18, preferably with 10 to 16 and particularly preferably with 1 1 to 14 carbon atoms, and
  • n integer from 1 to 1, preferably from 3 to 10 and preferably from 5 to 7.
  • the cosmetic products according to the invention have 5 to 10% by weight, based on the composition of the product, of laureth-6 as fatty alcohol ethoxylate.
  • the fatty alcohol ether sulfates which can be used as component b.) Preferably have the formula (III)
  • alkali metal or alkaline earth metal salts of preferably C 8 -C 3 o, preferably 0 Ci -C 22 fatty acids most preferably castor oil sulfates, in particular Na + or NH 4 + Sulfate used.
  • castor oil sulfonates are available, for example, under the brand Monobrilliantöl® (Stockhausen GmbH, Krefeld).
  • the (cosmetic) products according to the invention in particular skin and hand cleansers, preferably contain from 30 to 90% by weight, preferably from 40 to 80% by weight and more preferably from 45 to 75% by weight, based on the composition of the cleaning agent, of water Component c.).
  • the skin and hand cleansing agents can optionally be detergency enhancers from the class of polyols for certain cleaning applications , Polyethers, polyphosphates and phosphates as component d.). Particularly preferred are polyethers resulting from the polymerization of ethylene glycol and 3 to 20 units, preferably 4 to 10 units. Preference is given to PEG-8 as can be obtained for example from the company Ineos under the names PEG 400.
  • the products according to the invention may contain solvents for cleaning reinforcement. Preference may be given to carboxylic acid esters of the methyloleate type and carboxylic acid diesters of the dimethyl adipate, dimethyl methyl glutarate, dimethyl succinate (DBE) and di-n-butyl adipate or diisopropyl adipate type as solvent.
  • carboxylic acid esters of the methyloleate type and carboxylic acid diesters of the dimethyl adipate, dimethyl methyl glutarate, dimethyl succinate (DBE) and di-n-butyl adipate or diisopropyl adipate type as solvent.
  • the products according to the invention in particular skin and hand cleansers, optionally contain one or more viscosity-forming agents such as organophilic and / or hydrophilic phyllosilicates as component f.), In particular bentonites, polysaccharides, such as. Cellulose, guar gum and / or xanthans, modified polysaccharides, preferably cellulose ethers, carboxyalkyl cellulose and / or hydroxyalkyl celluloses, preferably hydroxyethyl cellulose and / or inorganic electrolytes, preferably sodium chloride and / or magnesium sulfate.
  • viscosity-forming agents such as organophilic and / or hydrophilic phyllosilicates as component f.
  • viscosity-forming agents such as organophilic and / or hydrophilic phyllosilicates
  • bentonites polysaccharides, such as. Cellulose, guar gum and / or xanthans, modified polys
  • Carboxymethylcelluloses are particularly preferred according to the invention as components f., which moreover effect the very good foam-stabilizing action when using the skin and hand cleansing compositions according to the invention.
  • the skin and hand cleansing compositions according to the invention particularly advantageously contain from 0.1 to 1.5% by weight of component f.), Based on the total composition of the cleaning agent.
  • the products according to the invention in particular skin and hand cleansers, optionally other cosmetic auxiliaries, additives and / or active ingredients, for example pH regulators, stabilizers, preferably cetearyl alcohol and / or hydrogenated castor oils, such as trihydroxystearin, fragrances, preservatives, preferably organic Acids and antioxidants, such as vitamin E acetate as component g.).
  • oily or aqueous care components such as bisabolol, aloe vera, panthenol, sodium PCA, jojoba oil, creatine, etc. can be used to emphasize the care effect.
  • the preparation of the (cosmetic) products according to the invention can be carried out in a conventional manner by means of known devices in a batch or continuous process, the skin and hand cleansers preferably being obtained as creamy agents or as flowable viscous pastes.
  • suitable devices are temperature-controlled boilers with stirrer, continuous mixers such as extruders and dispersers.
  • the skin and hand cleansing compositions according to the invention show a very good cleaning action, with at the same time very good skin tolerance and low skin drying. It is particularly advantageous that the skin and hand cleansing compositions according to the invention produce a very good skin feel during washing. The skin feel after washing is much more pleasant even after some time due to the lower skin dehydration.
  • the cosmetic product according to the invention is preferably a skin or hand cleanser, in particular a coarse hand cleaner.
  • the (cosmetic) product according to the invention can, for. As for cleaning the hands or skin, as a peeling agent, or as a surface cleaner used in industry and household.
  • Example 1a Preparation of a heat-treated flour
  • a walnut shell meal obtained from Bardon Ethablisements under the name Vegetale C 180 was placed in a pressure chamber.
  • the chamber was preheated to a temperature of 100 ° C and then the chamber was evacuated to a pressure of about 50mbar. Subsequently, water-saturated steam was applied at 1 bar overpressure. The temperature was held for 2 minutes. The chamber was then evacuated to approx. 50 mbar. By evacuating, a dried heat-treated flour was obtained.
  • Example 1 b Preparation of an irradiated flour
  • a walnut shell meal purchased from the company Bardon Ethabilisements under the name Vegetale C 180 was irradiated by Isotron in Marseille with a cobalt 60 emitter to a radiation intensity of 8 KGray inside the 1000 kg big bag.
  • Example 1c Preparation of a bleached flour
  • a walnut shell meal obtained from the company Bardon Ethabilisements under the name Vegetale C 180 was bleached according to the example of D E 1 0 2005 054 976.
  • the measurement of the extinction was carried out so that 1 g of the flour to be measured with 10 ml of water and 1 ml of a 0, 1 wt .-% aqueous methylene blue solution with a electronic stirrer Multipoint HP 15 from Variomag stirred at 300 rpm for 10 minutes was and the resulting mixture over a 1 ⁇ glass frit type chronic Mafil ® GF-100/25 from Macherey-Nagel GmbH & Co KG was filtered. On the resulting filtrate, the absorbance at a wavelength of 660 nm was measured against deionized water as standard with a spectrophotometer CADAS 200 from Hach Lange GmbH. As cuvettes was the type Makro PS Cat. No. 634-2500 with a layer thickness of 10 mm from VWR International GmbH. The measurement results are summarized in Table 1.
  • the HLB value was determined in which a 5% dispersion / solution of the substance to be tested, in this case the hydrophilic emollient, was prepared in water and the water solubility was determined. The assessment is made optically: turbidity, solubility, degree of dispersion.
  • the HLB value was determined by comparison with solutions of emulsifiers whose HLB value is known. The determined HLB values are given in Table 2.
  • Sorbitan sesquicaprylate (Antil® soft SC) 1.50 1.50 1.50
  • PERFUME (FRAGRANCE) q. s. q. s. q. s. q. s. q. s. q. s. q. s. s.
  • Table 3b Composition of the cleaning formulations in% by weight
  • Sorbitan sesquicaprylate (Antil® soft SC) 1.50 1.50 1.50
  • PERFUME (FRAGRANCE) q. s. q. s. q. s. q. s. q. s. q. s. q. s. s.
  • Table 3c Composition of the cleaning formulations in% by weight
  • AQUA (WATER) 58.05 57.85 58.05 57.85 58.05 57.85 58.05 57.85
  • Sorbitan sesquicaprylate (Antil® soft SC) 1, 50 1, 50 1, 50
  • Oleic Acid 1 10 0.80 1, 10 0.80 1, 10 0.80 1, 10 0.80
  • PERFUME (FRAGRANCE) q. s. q. s. q. s. q. s. q. s. q. s. q. s. s.
  • Table 3d Composition of the cleaning formulations in% by weight
  • Oleic Acid 1 20 1, 20 1, 20 1, 20 1, 20
  • Oleic Acid 1 10 1, 20 1, 20 1, 20
  • the viscosity was redetermined.
  • the decrease in viscosity for the formulations with the different flours can be found in the last lines of Tables 3a to 3f.
  • the values for the decrease in viscosity clearly indicate that the use of flour according to the invention leads to a significantly lower reduction in viscosity than the use of irradiated flour.
  • the viscosity decrease in the use of non-inventive flour is sometimes so great that the formulations are so thin that they are no longer suitable as hand / skin cleanser.

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Abstract

L'invention concerne des farines à base d'ingrédients végétaux, caractérisées en ce qu'une solution constituée de 10 ml d'eau et de 1 ml d'une solution de bleu de méthylène aqueuse à 0,1 % en poids, qui est mise en contact avec 1 g de cette farine, présente une extinction à une longueur d'onde de 660 nm inférieure à 1. L'invention porte également sur un procédé de production de ces farines, sur des produits contenant ces farines ainsi que sur l'utilisation desdites farines dans la préparation de produits nettoyants pour la peau et les mains, de produits de nettoyage des surfaces ou d'exfoliants et sur l'utilisation de ces produits pour le nettoyage de la peau, des mains et des surfaces.
EP10760361A 2009-11-02 2010-10-05 Agents abrasifs à base de matières premières d'origine naturelle possédant des propriétés améliorant la rhéologie Ceased EP2470271A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009046272A DE102009046272A1 (de) 2009-11-02 2009-11-02 Reibmittel auf natürlicher Rohstoffbasis mit die Rheologie verbessernden Eigenschaften
PCT/EP2010/064777 WO2011051083A2 (fr) 2009-11-02 2010-10-05 Agents abrasifs à base de matières premières d'origine naturelle possédant des propriétés améliorant la rhéologie

Publications (1)

Publication Number Publication Date
EP2470271A2 true EP2470271A2 (fr) 2012-07-04

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EP10760361A Ceased EP2470271A2 (fr) 2009-11-02 2010-10-05 Agents abrasifs à base de matières premières d'origine naturelle possédant des propriétés améliorant la rhéologie

Country Status (10)

Country Link
US (1) US8466097B2 (fr)
EP (1) EP2470271A2 (fr)
CN (1) CN102639190B (fr)
AU (1) AU2010311772B2 (fr)
BR (1) BR112012011586A2 (fr)
CA (1) CA2777796C (fr)
DE (1) DE102009046272A1 (fr)
MX (1) MX2012004689A (fr)
RU (1) RU2544164C9 (fr)
WO (1) WO2011051083A2 (fr)

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Also Published As

Publication number Publication date
BR112012011586A2 (pt) 2016-06-28
RU2544164C9 (ru) 2015-11-20
US8466097B2 (en) 2013-06-18
RU2012122589A (ru) 2013-12-20
CN102639190B (zh) 2016-10-19
RU2544164C2 (ru) 2015-03-10
CA2777796C (fr) 2017-10-31
AU2010311772B2 (en) 2014-04-10
DE102009046272A1 (de) 2011-05-05
CN102639190A (zh) 2012-08-15
MX2012004689A (es) 2012-05-23
WO2011051083A3 (fr) 2012-05-31
CA2777796A1 (fr) 2011-05-05
WO2011051083A2 (fr) 2011-05-05
AU2010311772A1 (en) 2012-05-03
US20120202730A1 (en) 2012-08-09

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