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WO2018086857A1 - Compositions aqueuses de produits de lavage ou de nettoyage contenant des cires naturelles comme agents opacifiants - Google Patents

Compositions aqueuses de produits de lavage ou de nettoyage contenant des cires naturelles comme agents opacifiants Download PDF

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Publication number
WO2018086857A1
WO2018086857A1 PCT/EP2017/077060 EP2017077060W WO2018086857A1 WO 2018086857 A1 WO2018086857 A1 WO 2018086857A1 EP 2017077060 W EP2017077060 W EP 2017077060W WO 2018086857 A1 WO2018086857 A1 WO 2018086857A1
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Prior art keywords
range
composition
group
wax
waxes
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PCT/EP2017/077060
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German (de)
English (en)
Inventor
Edgar Endlein
Brigitte Rosenthal
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Werner and Mertz GmbH
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Werner and Mertz GmbH
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Priority to PL17797541.4T priority Critical patent/PL3538630T3/pl
Priority to EP17797541.4A priority patent/EP3538630B1/fr
Priority to ES17797541T priority patent/ES2949524T3/es
Publication of WO2018086857A1 publication Critical patent/WO2018086857A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0013—Liquid compositions with insoluble particles in suspension
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2093—Esters; Carbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust

Definitions

  • Aqueous washing or cleaning compositions containing natural waxes as clouding agents containing natural waxes as clouding agents
  • the present invention relates to aqueous detergent compositions containing natural waxes as clouding agents, the use of natural waxes as clouding agents in aqueous washing or cleaning compositions, and a process for preparing such compositions.
  • aqueous washing or cleaning compositions Consumer products in the field of cleaning of hard and textile surfaces and of human skin and hair, especially aqueous washing or cleaning compositions, usually contain as detergent substances so-called surfactants, which lower interfacial tensions due to their surface-active properties, so that impurities such as fats and Emulsified oils and can be removed with the washing solution.
  • surfactants which lower interfacial tensions due to their surface-active properties, so that impurities such as fats and Emulsified oils and can be removed with the washing solution.
  • additives include hydrotropes (solubilizers), solvents, enzymes, acids, alkalis or complexing agents.
  • adjuvants can be used which can influence the stability of detergent or cleaner compositions, such as pH regulators or buffer systems, antioxidants, UV filters, preservatives, rheological additives or electrolytes.
  • substances in aqueous detergents or cleanser compositions which primarily appeal to the human senses, such as fragrances or dyes.
  • a special form of the product aesthetics of aqueous detergent or cleaning compositions lies in the degree of their translucency (translucency).
  • light transmittances can be obtained from completely transparent via partial-permeable intermediates to completely opaque (opaque).
  • certain additional optical effects can also be achieved, e.g. Pearlescent.
  • Such techniques which affect light transmission may confer aqueous washing or cleaning compositions in addition to primarily aesthetic but also functional properties, e.g. to restore the skin.
  • styrene-acrylate copolymers In terms of environmental compatibility, it is also advantageous if the other ingredients of aqueous detergents or cleaners in sewage treatment plants and / or are preferably biodegradable, such as known biodegradable anionic or nonionic surfactants, such as based on vegetable oils.
  • biodegradable such as known biodegradable anionic or nonionic surfactants, such as based on vegetable oils.
  • a further disadvantage of the abovementioned styrene-acrylate copolymers is that they tend to sediment in aqueous washing or cleaning agent compositions, with the result that corresponding products often have an optically unacceptable sediment after storage for some time. Of course, the described sedimentation impairs the acceptance of an affected product by the end user.
  • an increased concentration of electrolytes is understood as meaning a content of such electrolytes of 0.75% by weight or more, in particular a content of 1.0% by weight or more, in each case based on the total mass of one considered aqueous detergent or cleaning composition.
  • a strong dilution or a highly diluted aqueous washing or cleaning agent composition is understood as meaning a composition whose dynamic viscosity is ⁇ 100 mPa s, preferably ⁇ 10 mPa s, measured in each case with a Brookfield rotary viscometer, spindle LV1 at 100 rpm and a temperature of 20 ° C.
  • aqueous washing or cleaning compositions which contain styrene-acrylate copolymers as opacifying agents, especially in those which are highly diluted and / or which have an increased concentration of electrolytes, can be stored for a period of approximately three hours up to six months already at a temperature of 23 ° C, but especially at elevated temperatures of about 40 ° C or in the range of 40 ° C to 60 ° C, quite often observe an undesirable sedimentation of the styrene-acrylate copolymer.
  • detergent or cleaning compositions which survive the above-mentioned storage at 40 ° C or in the range of 40 ° C to 60 ° C with no noticeable loss of product quality, eg no apparent signs of sedimentation, are generally considered to be stable under real conditions ( fluctuating temperatures due to the annual and daily times, etc.) can be stored for at least two years with the same quality.
  • a positive test of storage stability (at 40 ° C or in the range of 40 ° C to 60 ° C) also indicates the suitability of the products for distribution in warmer climates.
  • WO 03 / 033634A1 describes anionic surfactant-free low-viscosity opacifiers for use in household surface-active products which contain wax bodies, amphoteric surfactants, fatty acid partial glycerides, fatty acid polyglycol esters and optionally polyols in a specific weight ratio. As other auxiliaries or additives may inter alia also certain waxes occur.
  • the document WO 92/1 1330 describes a process for the preparation of cleaning and care compositions in which a wax emulsion containing alkyl glycoside as emulsifier is mixed with the other constituents of such agents.
  • compositions which contain nanowax particles and are intended for the simultaneous washing and waxing of a motor vehicle.
  • the invention should provide such aforesaid cloudy aqueous detergent compositions which retain said beneficial properties even at high dilution and / or in the presence of increased electrolyte concentration without causing sedimentation, in particular breakdown of the opacifying agent without the need for the addition of further additives would be necessary.
  • Another object of the present invention was to provide a process for the preparation of opaque aqueous detergent or cleaner compositions of the kind specified above.
  • compositions, uses or processes are described below which "comprise” or “contain” specific embodiments, constituents or features, the corresponding variant of the compositions, uses or processes to be understood in a narrower scope should also be disclosed in each case which "consists” of these specific embodiments, components or features.
  • an aqueous washing or cleaning agent composition provided according to the invention comprising a composition-clouding amount of particles of one or more waxes, each selected from the group consisting of montan wax and carnauba wax and mixtures thereof, wherein 85% by volume or more of the particles of these waxes have a measured by laser diffraction particle size of ⁇ 15 ⁇ possess (“D85" value).
  • compositions according to the invention can be used in any desired mixing ratio.
  • Carnauba Wax (Synonyms: Carnauba Wax, Brazil wax, E 903, registered under CAS RN 8015-86-9 in the "Coslng Database” of the European Commission for information on cosmetic substances and ingredients, which is included in the EU Cosmetics Regulation no. 1223/2009) is a natural plant wax known per se, which can be obtained from the leaves of the Brazilian fan palm Copernicia prunifera or carnauba palm (Copernicia cerifera) .
  • the main ingredients are esters of wax acids, ⁇ -hydroxycarboxylic acids and cinnamic acids with wax alcohols and diols , free wax acids such as carnaubic acid and long-chain alcohols, diols and saturated hydrocarbons.
  • Montan wax (synonym: mountain wax, registered under CAS RN 8002-53-7 in the Coslng database) can be produced from naturally occurring lignite.
  • Main constituents are esters of C22-C34 fatty acids with C24, C26 and C28 wax alcohols.
  • liquid aqueous detergent or cleaner compositions in the context of the present invention are in particular those for use in the household or in the industry in question, preferably those for cleaning hard surfaces such as all-purpose or kitchen cleaners.
  • the opacifying particles described herein allow the formulation of storage stable compositions of the present invention having high concentrations of electrolytes, preferably sodium carbonate (also known as soda), for example in concentrations of at least 0.75% by weight based on the total weight of the composition a desirable, appealing, milky white turbidity with surprisingly low tendency for sedimentation.
  • Sodium carbonate is known, inter alia, as a natural means for removing fats, so that the preferred sodium carbonate-containing washing or cleaning agent compositions described here are particularly suitable for use in all areas in which the cleaning action against fat or fats is particularly important , Preference is therefore given to an aqueous detergent or cleaning composition according to the invention which additionally comprises sodium carbonate.
  • the washing or cleaning agent composition according to the invention contain wax particles of a defined particle size distribution measured by laser diffraction: 85% by volume or more of the particles of the abovementioned waxes or wax mixtures in compositions according to the invention have a particle size of ⁇ 15 ⁇ m measured by laser diffraction.
  • a preferred inventive or preferred detergent or cleaning composition comprising: a composition opacifying amount of particles of a wax or multiple waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, preferably each selected from Carnauba wax or a mixture of carnauba wax and montan wax, wherein 85 vol .-% or more of the particles of these waxes have a measured by laser diffraction particle size of ⁇ 15 ⁇
  • Sodium carbonate preferably a proportion of sodium carbonate of at least 0.75 wt .-%, particularly preferably in the range of 0.75 wt .-% to 2.0 wt .-%, each based on the total mass of the composition.
  • detergent or cleaner compositions according to the invention with a proportion of electrolytes specified above, in particular of sodium carbonate, remained sedimentation-stable over a period of several months under practically relevant conditions.
  • an inventive or preferred aqueous detergent or cleaning composition wherein 90% by volume or more, preferably 95% by volume or more, of the particles of a wax or several waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, a particle size of ⁇ 15 ⁇ possess, preferably a particle size of ⁇ 12 ⁇ , more preferably a particle size of ⁇ 10 ⁇ , most preferably a particle size of ⁇ 7 ⁇ , most preferably a particle size of ⁇ 1, 0 ⁇ .
  • composition according to the invention in which 90 vol .-% or more of the particles of a wax or more waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, a particle size of ⁇ 7 ⁇ , particularly preferably a particle size of ⁇ 1, 0 ⁇ possess. Furthermore, such a composition according to the invention is preferred in which 95% by volume or more of the particles are selected from one or more waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, a particle size of ⁇ 7 ⁇ m have a particle size of ⁇ 1, 0 ⁇ .
  • an inventive or preferred inventive aqueous detergent or cleaner composition wherein 90 vol .-% or more, preferably 95 vol .-% or more, of the particles of a wax or more waxes, each selected from the group consisting of Montan wax, carnauba wax and mixtures thereof, have a particle size in the range of 0, 1 to 15 ⁇ , preferably a particle size in the range of 0.1 to 12 ⁇ , more preferably a particle size in the range of 0, 1 to 10 ⁇ , most preferably a particle size in the range of 0.1 to 7 ⁇ and most preferably a particle size in the range of 0.1 to 1, 0 ⁇ .
  • composition according to the invention in which 90% by volume or more of the particles consist of one wax or several waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, having a particle size in the range from 0.1 to 1.0 own ⁇ . Furthermore, one is those composition according to the invention preferably in which 95 vol .-% or more of the particles of a wax or more waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, a particle size in the range of 0, 1 to 1, 0 ⁇ own ,
  • the particle size distribution in the aqueous washing or cleaning agent compositions according to the invention is determined in a manner known per se by laser diffraction. Calculated D10, D50, or D90 values of the cumulative frequency distribution of the volume-averaged size distribution function indicate that in each case 10% by volume, 50% by volume and 90% by volume, respectively, of the particles of a micronized wax have a particle size which is equal to or less than the specified value.
  • the size distribution curve of the micronized waxes is preferably determined according to ISO (International Organization for Standardization) 13320-1 (1999), and more preferably with a laser diffraction apparatus, e.g.
  • the volume-related D50 value of the wax particles contained in an aqueous detergent or cleaner composition according to the invention is not greater than 1 ⁇ m.
  • the volume-related D90 value of said wax particles is not greater than 2 ⁇ m.
  • inventive or preferred aqueous washing or cleaning agent compositions according to the invention having the properties of the particle size distribution described above as being preferred such that, after storage for a period of 6 months at a temperature of 40 ° C., the volume-related D 50 Value is not greater than 1 ⁇ . It is particularly preferred in these compositions after said storage, the volume-related D90 value at the same time not greater than 2 ⁇ .
  • Wax dispersions having a desired particle size distribution are known per se and are commercially available, for example from the company Keim Additec, Kirchberg, Germany.
  • wax dispersions and methods for their preparation are known, for example, R. Heusch, Ullmann's Encyclopedia of Industrial Chemistry, 5th ed. (Possibly younger editions) 1987, A9, p 297 et seq.
  • Suitable emulsifiers which greatly reduce the interfacial tension between two substances can be selected in empirical preliminary experiments on the basis of their chemical structure and polarity and can be pre-dissolved both in the wax phase and in the water phase.
  • the mixing of the two - usually then liquid - phases is usually done with vigorous stirring, often using high-shear rotor-stator systems.
  • emulsifiers are used, they occupy and stabilize the newly formed interfaces (eg disperse inner phase of very fine wax droplets in a continuous outer aqueous phase), so that the fresh emulsion produced prevents unwanted growth of large droplets at the expense of the smaller (so-called "Ostwald ripening").
  • Unstable emulsions show effects such as creaming and sedimentation over time.
  • low density differences of the two phases and a high viscosity of the continuous phase have a stabilizing effect.
  • a low, water-thin viscosity of the outer phase poses a greater challenge to the long-term storage stability of emulsions and dispersions.
  • Only very small particles of diameter ⁇ 100 nm are thermodynamically stable (ie entropy stabilized) and show no or hardly Aufrahmungs- or sedimentation phenomena.
  • water-thin emulsions tend to flocculate and / or aggregate primary droplets or particles.
  • Such "clusters" of particle growth can be precursors for coalescence and thus irreversible confluence with larger droplets or particles.Such macroscopically, such phenomena lead to visible instabilities of the two- or multi-phase system.Also, dissolved electrolytes (salts) increase the probability of occurring instabilities during The storage time of emulsions and dispersions
  • the combination of water-thin outer continuous phase and salt dissolved therein presents a particular challenge to the stability of an emulsion or dispersion.
  • the inventive or preferred aqueous washing or cleaning compositions comprise wax particles of the above-indicated particle size distribution or preferred particle size distribution, preferably in a certain total amount: the total amount of particles of one or more waxes, each selected from the group consisting of montan wax, carnauba wax and their mixtures, in a composition according to the invention or preferred composition in the range of 0.01 to 1, 0 wt .-%, preferably in the range of 0.01 to 0.7% by weight, particularly preferably in the range of 0 , 01 to 0.5% by weight, most preferably zugt in the range of 0.01 to 0.1 wt .-%, each based on the total mass of the composition.
  • the total amount of particles of one or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof in the composition is in the range of 0.01 to 1.0% by weight, preferably in the range of 0 , 01 to 0.7 wt .-%, more preferably in the range of 0.01 to 0.5 wt .-%, most preferably in the range of 0.01 to 0.1 wt .-%, each based on the Total mass of the composition,
  • Sodium carbonate preferably a proportion of sodium carbonate of at least 0.75 wt .-%, particularly preferably in the range of 0.75 wt .-% to 2.0 wt .-%, each based on the total mass of the composition.
  • Preferred aqueous detergent or cleaner compositions of the present invention comprise a composition opacifying amount of one or more wax particles each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 90% by volume or more of the particles of these waxes a measured by laser diffraction particle size in the range of 0, 1 to 12 ⁇ , preferably in the range of 0, 1 to 7 ⁇ and wherein the total amount of the aforementioned particles in the range of 0.01 to 1, 0 wt .-%, based on the total mass of the composition.
  • inventive or preferred inventive aqueous detergent or cleaner compositions comprising a clouding amount of the composition of one or more waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 90 vol .-% or more, preferably 95 vol .-% or more, of the particles of these waxes measured by laser diffraction particle size in the range of 0.1 to 12 ⁇ , preferably in the range of 0, 1 to 7 ⁇ possess and wherein the total amount of the aforementioned particles in the range from 0.01 to 0.7% by weight, based on the total weight of the composition.
  • the aqueous washing or cleaning agent compositions according to the invention comprise further constituents in addition to the above-described particles of a wax or several waxes in the specified or preferred particle size distributions and in the optionally indicated or preferred total amounts.
  • a composition according to the invention is preferred which comprises: a proportion of one or more surfactants selected from the group consisting of anionic surfactants and nonionic surfactants, wherein the or at least one of the anionic surfactants is preferably selected from the group consisting of sodium Laureth sulfates, sodium lauryl sulfates and surfactants obtainable by neutralization of fatty acids with alkanolamines, and wherein the or at least one of the nonionic surfactants is preferably selected from the group consisting of lauryl / myristyl glucosides and PEG-4 rapeseedamides,
  • an emulsifier or emulsifiers preferably selected from the group consisting of anionic emulsifiers and nonionic emulsifiers.
  • Sodium Laureth Sulfate also referred to as Sodium Laureth Sulphate
  • Sodium Laureth Sulfate refers to sodium salts of ethoxylated C12-C14 fatty alcohol ether sulfates. All of these substances and their mixtures in any desired mixing ratios are to be encompassed here by the term "sodium laureth sulfates", in particular the polyethylene glycol mono-C 12 -C 14 -alkyl ether sulfate sodium salt with CAS-RN 68585-34-2.
  • Sodium Lauryl Sulfate is also known per se as an ingredient in cleansing, care and cosmetic products and refers to sodium salts of alkyl (C 12 -C 16) -alcohol sulfates (CAS RN: 73296-89-6), in the narrower sense the sodium dodecyl sulfate (CAS RN: 151-21 -3). All of these substances and their mixtures in any mixing ratios are here to be encompassed by the term "sodium lauryl sulfate".
  • alkanolamines for the preparation of the above-mentioned surfactants which are obtainable by neutralization of fatty acids with alkanolamines
  • primary, secondary and tertiary C 1 -C 4 -alkylamines are suitable, in which the C 1 -C 4 -alkyl chains may each be linear or branched, and Mixtures of these C1-C4-alkylamines in any mixing ratios.
  • Triethanolamine (also referred to as 2, 2 ', 2 "-nitrilotriethanol or [tris (2-hydroxyethyl) amine]) is preferably used as the alkanolamine, if appropriate in customary commercial purity, ie at most still containing by-products obtained in the preparation and impurities in for the purpose of acceptable quantity.
  • Suitable fatty acids for the preparation of the surfactants described above which are obtainable by neutralization of fatty acids with alkanolamines, in particular fatty acids or fatty acid mixtures of natural origin, for example those of vegetable oils, which usually have even numbers of carbon atoms.
  • Suitable vegetable oils can be obtained from oil plants known per se, for example from olives, sesame, linseed, Rapeseed, hemp or sunflowers.
  • suitable fatty acids which can be used individually or in any desired mixing ratios with one another are, for example, those having 14 to 22 carbon atoms (C 14 -C 22), preferably those having 16 to 18 carbon atoms (C 16 -C 18), which are each preferably straight-chain and 0, 1 or 2 double bonds in the molecule.
  • fatty acid mixtures are used with an average content of C18 fatty acid (s) having a single double bond in the molecule (C18: 1, eg oleic acid) of 60 to 75 wt .-%, preferably about 68 wt .-%.
  • C18: 1, eg oleic acid e.g. 60 to 75 wt .-%, preferably about 68 wt .-%.
  • the aforementioned fatty acids or fatty acid mixtures are obtained or prepared from olive oil.
  • Lauryl / Myristyl Glucoside refers here to the known per se substances lauryl glucoside and myristyl glucosides and their mixtures in any ratio to each other. Lauryl glucoside is also referred to as dodecyl D-glucoside (CAS RN: 27836-64-2). Myristyl glucoside is also referred to as tetradecyl D-glucoside (CAS RN 54549-26-7).
  • PEG-4 rapeseedamides (name according to "International Nomenclature of Cosmetic Ingredients", INCI, see International Cosmetic Ingredient Dictionary and Handbook, 15th ed., 2014, Personal Care Products Council, ed., CAS RN 85536-23-8) may be issued Rapeseed oil are produced and is known per se, for example as an ingredient of cleaning or cosmetic products.
  • the aforementioned proportion of one or more surfactants, each selected from the group consisting of anionic surfactants and nonionic surfactants, in preferred or preferred compositions according to the invention is preferably in the range from 1, 0 to 7.0 wt .-%, preferably in the range of 1, 5 to 6.0 wt .-% and particularly preferably in the range of 2.0 to 4.0 wt .-%, each based on the total mass of the aqueous detergent or cleaning composition.
  • the inventive or preferred aqueous detergent or cleaner composition according to the invention comprises a content of sodium carbonate of at least 0.75% by weight, in particular a total content of sodium carbonate in the range from 0.75 to 2.0% by weight. , preferably a total content of Natnumcarbonat in the range of 0.8 to 1, 5 wt .-%, each based on the total mass of the composition.
  • the composition according to the invention thus comprises: a composition clouding amount of one or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, 90% by volume or more of the particles thereof Waxes have a particle size in the range from 0.1 to 15 ⁇ m measured by laser diffraction and the total amount of the aforementioned particles in the range from 0.01 to 1.0% by weight, preferably in the range from 0.01 to 0, 7 wt .-%, based on the total mass of the composition is, - a proportion in the range of 1, 0 to 7.0 wt .-%, based on the total mass of the composition, of one or more surfactants selected from the group consisting of anionic surfactants and nonionic surfactants, wherein the or at least one of the anionic surfactants is preferably selected from the group consisting of sodium laureth sulfates, So dium lauryl sulfates and surfactants which are obtainable by neutralization of
  • Water preferably in an amount in the range of 90 to 97 wt .-%, particularly preferably in the range of 92 to 96 wt .-%, each based on the total mass of the composition; one or more surfactants selected from the group consisting of anionic surfactants and nonionic surfactants, wherein the or at least one of the anionic surfactants is preferably selected from the group consisting of sodium laureth sulphates, sodium lauryl sulphates and surfactants obtainable by neutralization of fatty acids with alkanolamines and wherein the or at least one of the nonionic surfactants is preferably selected from the group consisting of lauryl / myristyl glucosides and PEG-4 rapeseedamides, preferably in an amount in the range of 1, 5 to 6.0 wt .-%, particularly preferably in the range of 2.0 to 4.0 wt .-%, each based on the total mass of the composition;
  • Sodium carbonate preferably in an amount in the range of 0.75 to 2.0 wt .-%, particularly preferably in the range of 0.8 to 1, 5 wt .-%, each based on the total mass of the composition; a composition clouding amount of one or more wax particles each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 85% by volume or more, preferably 90% by volume or more, of the particles of these waxes have a measured by laser diffraction particle size of ⁇ 15 ⁇ , preferably in a total amount in the range of 0.01 to 1, 0 wt .-%, particularly preferably in the range of 0.01 to 0.5 wt .-%, most preferably in the range of 0.01 to 0, 1 wt .-%, each based on the total mass of the composition
  • the percentages by weight of the individual constituents in the abovementioned particularly preferred embodiment are in each case complementary to 100% by weight.
  • suitable constituents for aqueous washing or cleaning agents are suitable, preferably one emulsifier or several emulsifiers, in particular selected from the group consisting of anionic emulsifiers and nonionic emulsifiers; complexing; Solvent, especially in the specified amount range of water-miscible solvents; Disinfectants; biocides; Perfumes and / or dyes.
  • Suitable anionic emulsifiers may for example be selected from the group consisting of primary and secondary C 8 -18 alkyl sulfates, preferably fatty alcohol ether sulfates; primary and secondary C 8 -18-alkyl ether sulfates, also known as fatty alcohol polyglycol ether with an ethoxylation degree of from one to three; primary and secondary C 8 -i8-alkyl ether carboxylates, also referred to as Fettalkoholpolyglykolethercarboxylate, with a degree of ethoxylation of from four to ten and C 12 -i8-alkanesulfonates, preferably secondary Ci2-i8-alkanesulfonates.
  • Suitable nonionic emulsifying agents may be, for example, be selected from the group consisting of primary and secondary C 8 -i8-ethoxylates, also known as fatty alcohol polyglycol ether with a degree of ethoxylation of from two to 50; C 8 -i8-Alkylsorbitanethoxylaten, also referred to as ethoxylated sorbitan fatty acid esters, with a degree of ethoxylation of from two to 50 C and 8 _18- alkyl polyglycosides, also known as alkyl polyglucosides, with glycosides d michsgrad from one to three.
  • C 8 -18- in the context of the present invention in each case denotes a monovalent, linear or branched aliphatic group which has from eight to 18 carbon atoms (or a corresponding other number for the statement with other numerical values), can be saturated or mono- or polyunsaturated and contains only hydrogen atoms in addition to carbon atoms.
  • primary and secondary mean here in each case that a functional group (a group which is not a pure hydrocarbon radical, eg a sulfate group) of a surfactant is either bound to a primary carbon atom (which in addition to two hydrogen atoms or a hydrocarbon radical as Carries substituents) or to a secondary carbon atom (which carries two hydrocarbon radicals as substituents in addition to a hydrogen atom).
  • a functional group a group which is not a pure hydrocarbon radical, eg a sulfate group
  • a surfactant is either bound to a primary carbon atom (which in addition to two hydrogen atoms or a hydrocarbon radical as Carries substituents) or to a secondary carbon atom (which carries two hydrocarbon radicals as substituents in addition to a hydrogen atom).
  • Emulsifiers such as the abovementioned anionic or nonionic emulsifiers frequently also have surface-active properties and can then also act as surfactants. Therefore, if the aqueous washing or cleaning agent compositions according to the invention contain not only the above-specified proportion of one or more surfactants but also emulsifiers such as the anionic or nonionic emulsifiers described in more detail above, for the purposes of the present invention, when determining the weight fraction anionic surfactants and nonionic surfactants and where otherwise necessary for understanding, the proportions of this surfactant or these surfactants and the proportions of the anionic or nonionic emulsifiers, in each case in wt .-% based on the total mass of the composition added. In other words, for the purpose of determining the proportion by weight, the corresponding emulsifiers are considered as surfactants.
  • aqueous detergents or cleaning agents according to the invention are preferably highly fluid, such as water-thin, and preferably each have a dynamic viscosity of ⁇ 100 mPa s, preferably ⁇ 10 mPa s, each measured with one Brookfield rotary viscometer, spindle LV1 at 100 rpm and a temperature of 20 ° C.
  • the dynamic viscosity is determined in accordance with ISO 1652 (IS01652: 201 1) or analogously or mutatis mutandis according to this provision.
  • an inventive or preferred detergent or cleaning agent composition comprising: a composition opacifying amount of particles of one or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, preferably each selected from carnauba wax or a mixture of carnauba wax and montan wax, wherein 85% by volume or more of Particles of these waxes have a measured by laser diffraction particle size of ⁇ 15 ⁇ , wherein the dynamic viscosity of the composition ⁇ 100 mPa s, preferably ⁇ 10 mPa s, each measured with a Brookfield rotational viscometer, spindle LV1 at 100 rpm and a temperature of 20 ° C
  • Sodium carbonate preferably a proportion of sodium carbonate of at least 0.75 wt .-%, particularly preferably in the range of 0.75 wt .-% to 2.0 wt .-%, each based on the total mass of the composition.
  • the present invention also encompasses the use of one or more waxes, each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, as opacifiers in aqueous washing or cleaning compositions.
  • inventive detergent or cleaning composition including the respective embodiments and combinations given in each case, apply without restriction and, if appropriate, also analogously to the above-mentioned use according to the invention, and vice versa.
  • the one or more waxes are each selected from the group consisting of carnauba wax and mixtures of carnauba wax with montan wax.
  • the one or more waxes are each in particulate form, with 85% by volume or more of the particles of these waxes having a particle size of ⁇ 15 ⁇ m measured by laser diffraction ,
  • aqueous washing or cleaning agents additionally comprise sodium carbonate.
  • a wax or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, as opacifying agents in aqueous washing or cleaning compositions comprising sodium carbonate.
  • a wax or several waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, as opacifying agents in aqueous washing or cleaning compositions,
  • One wax or several waxes are each in particulate form, wherein 85 vol .-% or more of the particles of these waxes have a measured by laser diffraction particle size of ⁇ 15 ⁇ , and
  • the total amount of particles of the one or more waxes in the composition is in the range from 0.01 to 1.0% by weight, preferably in the range from 0.01 to 0.5% by weight, especially ders preferably in the range of 0.01 to 0, 1 wt .-%, each based on the total mass of the composition.
  • a wax or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, as opacifying agents in aqueous washing or cleaning compositions, wherein - the dynamic viscosity of the compositions ⁇ 100 mPa s, preferably ⁇ 10 mPa s, each measured with a Brookfield rotary viscometer, spindle LV1 at 100 rpm and a temperature of 20 ° C.
  • the compositions comprise sodium carbonate, more preferably a proportion of sodium carbonate of at least 0.75 wt .-%, most preferably in the range of 0.75 wt .-% to 2.0 wt .-%, each based on the total mass the composition.
  • the detergent or cleaner compositions comprise: a proportion of one or more surfactants selected from the group consisting of anionic surfactants and nonionic surfactants, wherein the or at least one of the anionic surfactants is preferably selected from the group consisting of sodium laureth sulphates, sodium lauryl sulphates and surfactants which are obtainable by neutralization of fatty acids with alkanolamines and wherein the or at least one of the nonionic surfactants is preferably selected from the group consisting of
  • the present invention furthermore also comprises a process for the preparation of a cloudy, aqueous detergent or cleaner composition, comprising the following step:
  • the opacifying amount of particles comprises carnauba wax or a mixture of carnauba wax with montan wax.
  • the aqueous washing or cleaning agent additionally comprises sodium carbonate.
  • the total amount of particles of the one or more waxes in the composition is in the range from 0.01 to 1.0% by weight, preferably in the range from 0.01 to 0 , 5 wt .-%, particularly preferably in the range of 0.01 to 0.1 wt .-%, each based on the total mass of the composition.
  • the detergent or cleaner composition comprises: a proportion of one or more surfactants selected from the group consisting of anionic surfactants and nonionic surfactants, wherein the or at least one of the anionic surfactants is preferably selected from the group consisting of sodium laureth sulfates, sodium lauryl sulfates and surfactants obtainable by neutralization of fatty acids with
  • Alkanolamines and wherein the or at least one of the nonionic surfactants is preferably selected from the group consisting of lauryl / myristyl glucosides and PEG-4 rapeseedamides,
  • a process according to the invention or a preferred process for the preparation of a cloudy aqueous detergent or cleaner composition comprising the following step:
  • a turbid amount of particles of a wax or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 85 vol .-% or more of the particles of these waxes measured by laser diffraction particle size of ⁇ 15 ⁇ with the other ingredients of the detergent composition comprising sodium carbonate.
  • a turbid amount of particles of one or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 85% by volume or more of the particles of these waxes have a particle size of ⁇ 15 ⁇ measured by laser diffraction, with the other constituents of the detergent or cleaning composition, which preferably comprise sodium carbonate, wherein the total amount of particles of the one or more waxes in the composition in the range of 0.01 to 1, 0 wt .-%, preferably in the range of 0.01 to 0.5 wt .-%, particularly preferably in Range from 0.01 to 0, 1 wt .-%, each based on the total mass of the composition.
  • a turbid amount of particles of a wax or more waxes each selected from the group consisting of montan wax, carnauba wax and mixtures thereof, wherein 85 vol .-% or more of the particles of these waxes measured by laser diffraction particle size of ⁇ 15 ⁇ with the other constituents of the detergent or cleaner composition, which preferably comprise sodium carbonate, the dynamic viscosity of the composition being ⁇ 100 mPa s, preferably ⁇ 10 mPa s, each measured with a Brookfield reagent.
  • Rotational viscometer spindle LV1 at 100 rpm and a temperature of 20 ° C.
  • Aqueous detergent or cleaning compositions having the representative formulations shown in Table 1 were prepared.
  • the indicated clouding agents styrene-acrylate copolymer: not according to the invention, ie comparison, montan wax or carnauba wax: in each case according to the invention
  • the formulations 1.1 and 1.3 are aqueous washing or cleaning agent according to the invention.
  • the formulations 2.1 and 2.3 are aqueous washing or cleaning agent compositions according to the invention (each without sodium carbonate).
  • Formulations 1.2 and 2.2 represent comparative compositions according to the invention.
  • aqueous detergent and cleaner compositions shown in Table 1 were then subjected to a storage test at 23 ° C or 40 ° C for six months (see Table 2).
  • the effects of this storage test on the particle sizes or particle size distributions of the particular opacifiers used are given in Table 2, together with observations on any sedimentation phenomena occurring in the compositions after completion of the storage test.
  • Table 2 measured values averaged from a plurality of measurements are shown.
  • compositions according to the invention both with increased electrolyte content (with sodium carbonate, formulations 1.1, 1.3), and without increased electrolyte content (without sodium carbonate, formulations 2.1, 2.3) after six months of storage were both at normal conditions (23 ° C), as well as at elevated temperatures (40 ° C) sedimentation stable.
  • the comparative compositions (formulations 1.2, 2.2) already exhibited sedimentation phenomena in the case of storage under normal conditions (23 ° C.) and both with increased electrolyte content (with sodium carbonate, formulation 1.2) and even without increased electrolyte content (formulation 2.2) due to breakdown of the clouding agent ,
  • Table 1 Compositions (formulations) of aqueous washing or cleaning agents for storage tests

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Abstract

La présente invention concerne des compositions aqueuses de produits de lavage ou de nettoyage contenant des cires naturelles comme agents opacifiants, l'utilisation de cires naturelles comme agents opacifiants dans des compositions aqueuses de produits de lavage ou de nettoyage ainsi qu'un procédé de préparation de telles compositions.
PCT/EP2017/077060 2016-11-14 2017-10-24 Compositions aqueuses de produits de lavage ou de nettoyage contenant des cires naturelles comme agents opacifiants Ceased WO2018086857A1 (fr)

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PL17797541.4T PL3538630T3 (pl) 2016-11-14 2017-10-24 Wodne kompozycje środków myjących lub czyszczących zawierające woski naturalne jako środki zmętniające
EP17797541.4A EP3538630B1 (fr) 2016-11-14 2017-10-24 Compositions aqueuses de produits de lavage ou de nettoyage contenant des cires naturelles comme agents opacifiants
ES17797541T ES2949524T3 (es) 2016-11-14 2017-10-24 Composiciones acuosas de detergente o agente de limpieza que contienen ceras naturales como agentes enturbiantes

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DE102016121827 2016-11-14
DE102016121827.8 2016-11-14

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519062A (en) * 1946-04-18 1950-08-15 Nopeo Chemical Company Lotion shampoo
WO1992011330A1 (fr) 1990-12-21 1992-07-09 Henkel Kommanditgesellschaft Auf Aktien Procede de preparation de produits de nettoyage et d'entretien
US5306488A (en) * 1989-02-24 1994-04-26 L'oreal Cosmetic composition for the hair containing a wax microdispersion and a process for treating the hair using the composition
US5496493A (en) 1994-05-10 1996-03-05 The Procter & Gamble Company Ultra mild personal cleansing bar containing smaller-sized particulate wax
WO1999001529A1 (fr) * 1997-07-02 1999-01-14 Cognis Deutschland Gmbh Procede de production d'opacifiants blancs intenses dans des preparations tensio-actives aqueuses
DE10034619A1 (de) * 2000-07-17 2002-01-31 Cognis Deutschland Gmbh Aniontensidfreie niedrigviskose Trübungsmittel
WO2003033634A1 (fr) 2001-10-13 2003-04-24 Cognis Deutschland Gmbh & Co. Kg Opacifiants de faible viscosite, exempts de tensioactifs anioniques
US20110172135A1 (en) 2010-01-13 2011-07-14 3M Innovative Properties Company Composition for washing and waxing a motor vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519062A (en) * 1946-04-18 1950-08-15 Nopeo Chemical Company Lotion shampoo
US5306488A (en) * 1989-02-24 1994-04-26 L'oreal Cosmetic composition for the hair containing a wax microdispersion and a process for treating the hair using the composition
WO1992011330A1 (fr) 1990-12-21 1992-07-09 Henkel Kommanditgesellschaft Auf Aktien Procede de preparation de produits de nettoyage et d'entretien
US5496493A (en) 1994-05-10 1996-03-05 The Procter & Gamble Company Ultra mild personal cleansing bar containing smaller-sized particulate wax
WO1999001529A1 (fr) * 1997-07-02 1999-01-14 Cognis Deutschland Gmbh Procede de production d'opacifiants blancs intenses dans des preparations tensio-actives aqueuses
DE10034619A1 (de) * 2000-07-17 2002-01-31 Cognis Deutschland Gmbh Aniontensidfreie niedrigviskose Trübungsmittel
WO2003033634A1 (fr) 2001-10-13 2003-04-24 Cognis Deutschland Gmbh & Co. Kg Opacifiants de faible viscosite, exempts de tensioactifs anioniques
US20110172135A1 (en) 2010-01-13 2011-07-14 3M Innovative Properties Company Composition for washing and waxing a motor vehicle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"International Cosmetic Ingredient Dictionary and Handbook, 15. Aufl.", 2014, .
R. HEUSCH: "Ullmann's Encyclopedia of Industrial Chemistry, 5th ed.", vol. A9, 1987, pages: 297

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EP3538630B1 (fr) 2023-06-07
PL3538630T3 (pl) 2023-10-09
ES2949524T3 (es) 2023-09-29
EP3538630C0 (fr) 2023-06-07

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