EP2895588A1 - Détergent liquide structuré à faible teneur en eau contenant des particules - Google Patents

Détergent liquide structuré à faible teneur en eau contenant des particules

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Publication number
EP2895588A1
EP2895588A1 EP13756451.4A EP13756451A EP2895588A1 EP 2895588 A1 EP2895588 A1 EP 2895588A1 EP 13756451 A EP13756451 A EP 13756451A EP 2895588 A1 EP2895588 A1 EP 2895588A1
Authority
EP
European Patent Office
Prior art keywords
cleaning agent
water
washing
liquid
soluble
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.)
Granted
Application number
EP13756451.4A
Other languages
German (de)
English (en)
Other versions
EP2895588B1 (fr
Inventor
Frank Meier
Dirk Weinrich
Luca Bellomi
Sabine SCHÜMANN
Matthias Sunder
Thorsten Ott
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2895588A1 publication Critical patent/EP2895588A1/fr
Application granted granted Critical
Publication of EP2895588B1 publication Critical patent/EP2895588B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/043—Liquid or thixotropic (gel) compositions
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • 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
    • C11D17/0017—Multi-phase liquid compositions
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • 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
    • C11D3/162—Organic compounds containing Si

Definitions

  • the invention relates to a liquid washing or cleaning agent comprising surfactant, dispersed particles and silica.
  • the invention also relates to a water-soluble packaging comprising such a liquid detergent or cleaning agent.
  • Liquids, gels or sachets (tablets or filled bags).
  • portion packs containing liquid detergents or cleaning agents are becoming increasingly popular, fulfilling, on the one hand, the consumer's desire for simplified dosing and, on the other hand, more and more consumers prefering liquid detergents or cleaners.
  • detergents or cleaners may contain perfume capsules. It is often problematic to suspend particles, such as perfume capsules, in liquids. In particular, when the solids differ in density from the liquid, they tend to sediment or float.
  • the detergents or cleaners contain a
  • Suitable structuring agents are, for example, structuring gums, such as, for example, xanthan gum, guar gum, locust bean gum, gellan gum, wellan gum or carrageenan, or of polyacrylate thickener.
  • structurants require water in order to develop their structuring properties in a formulation. This is due to the structuring of water-scarce washing or cleaning medium, as they are used in water-soluble packaging, contrary. Moreover, it is also not always possible to produce flow limits in systems rich in electrolyte and / or surfactants.
  • a liquid washing or cleaning agent comprising a) 5 to 85 wt .-%, based on the total detergent or cleaning agent, surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants, zwitterionic surfactants and mixtures thereof,
  • fumed silica leads to structured, low-water detergents or cleaning agents having dispersing properties in which particles can be dispersed stably and homogeneously.
  • the resulting structured detergents or cleaners are clear and transparent.
  • the surfactant is selected from the group consisting of nonionic surfactants, anionic surfactants and mixtures thereof.
  • nonionic surfactants anionic surfactants or a mixture thereof in the low-water liquid detergent or cleaner.
  • the fumed silica is surface-modified, in particular hydrophobically surface-modified.
  • surface-modified, in particular hydrophobically surface-modified, fumed silica storage-stable detergents with dispersing properties are obtained under a wide variety of climatic conditions.
  • a particularly good and stable structuring is when used with hexadecylsilane or
  • Dimethyldichlorosilane containing surface-modified fumed silica are particularly clear.
  • Liquid detergents containing fumed silica surface-modified with hexadecylsilane have a yield point.
  • the invention also relates to a water-soluble packaging containing a liquid washing or cleaning agent and a water-soluble coating, wherein the liquid detergent or cleaning agent
  • surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants, zwitterionic surfactants and mixtures thereof,
  • the water-soluble coating be polyvinyl alcohol or a
  • Water-soluble coatings containing polyvinyl alcohol or a polyvinyl alcohol copolymer have a good stability with a sufficiently high water solubility, in particular cold water solubility on.
  • Another object of the invention is the use of fumed silica in a liquid detergent or cleaning agent containing surfactant, particles and up to 15 wt .-%, based on the total detergent or cleaning agent, water, for the stable dispersion of the particles in the liquid washing or cleaning agent.
  • the liquid washing or cleaning agent necessarily contains a surfactant, particles, fumed silica and up to 15 wt .-% water.
  • the liquid detergents or cleaners contain surfactant (s), these being selected from anionic, nonionic, cationic and / or zwitterionic surfactants. From an application point of view, preference is given to mixtures of anionic and nonionic surfactants.
  • the total surfactant content of the liquid washing or cleaning agent is up to 85 wt .-%, is preferably below 75 wt .-% and particularly preferably below 70 wt .-%, based on the total liquid detergent or cleaning agent.
  • the liquid detergent or cleaning agent may contain nonionic surfactants.
  • the content of nonionic surfactant is preferably 5 to 40 wt .-% and more preferably 10 to 35 wt .-%, each based on the total liquid detergent or cleaning agent.
  • Suitable nonionic surfactants include alkoxylated fatty alcohols, alkoxylated oxo alcohols, alkoxylated fatty acid alkyl esters, fatty acid amides, alkoxylated fatty acid amides,
  • Polyhydroxy fatty acid amides Polyhydroxy fatty acid amides, alkylphenol polyglycol ethers, amine oxides, alkyl polyglucosides and mixtures thereof.
  • a particularly preferred nonionic surfactant which is in the liquid washing or
  • Detergent can be used is an alkoxylated oxo-alcohol.
  • Oxo alcohols are primary, partially branched higher alcohols, which are obtained in the oxo synthesis.
  • oxo-aldehydes or their primary Aldokondensations occur by catalytic
  • Ci 3 .i 5 -oxo-alcohol with 7 EO Preference is given to a Ci 3 .i 5 -oxo-alcohol with 7 EO, a C-ms-oxo-alcohol with 8 EO or a
  • Suitable further nonionic surfactants are, in particular, alkoxylated fatty alcohols. These are preferably ethoxylated, in particular primary alcohols having in particular 8 to 18 carbon atoms and an average of 4 to 12 moles of ethylene oxide (EO) per mole of alcohol.
  • EO ethylene oxide
  • alcohol ethoxylates having 12 to 18 C atoms for example coconut, palm, tallow or oleyl alcohol, and on average 5 to 8 EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, Ci 2 -i4 alcohols with 4 EO or 7 EO, Cg-n-alcohol with 7 EO, Ci2-i8 alcohols with 5 EO or 7 EO and mixtures of these.
  • the degrees of ethoxylation given represent statistical means which, for a particular product, may be an integer or a fractional number.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE).
  • fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Nonionic surfactants containing EO and PO groups together in the molecule can also be used according to the invention.
  • the content of alkoxylated oxo-alcohol is preferably 5 to 40 wt .-% and more preferably 10 to 35 wt .-%, each based on the total liquid washing or
  • the amount of further nonionic surfactants is preferably less than 5 wt .-%, more preferably less than 2 wt .-% and particularly preferably less than 1 wt .-%, each based on the total amount of liquid detergent or cleaning agent.
  • the liquid detergent or cleaning agent further contains an anionic surfactant.
  • the content of anionic surfactant is preferably 5 to 50% by weight or more preferably 10 to 40 wt .-%, each based on the total liquid washing or
  • Suitable anionic surfactant include alkylbenzenesulfonic acid salts, olefinsulfonic, d 2-18 -Alkansulfonklaresalze, salts of SchwefelTexTexremonoestern with a fatty alcohol, a fatty acid soaps, salts of Schwefelklamonoestern with an ethoxylated fatty alcohol or a mixture of two or more of these anionic surfactants can.
  • alkylbenzenesulfonic acid salts, fatty acid soaps and mixtures thereof are particularly preferred.
  • surfactants of the sulfonate type preferably come C 9 .i 3 -Alkylbenzolsulfonate,
  • Olefinsulfonates ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as obtained for example from Ci 2 -i 8-monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation, into consideration.
  • Alk (en) yl sulfates are the salts of the Schwefelklandester Ci 2 -C 8 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or C 0 -C 20 oxo-alcohols and those Halbester secondary alcohols of these chain lengths are preferred.
  • the C 12 -C 16 alkyl sulfates and C 12 -C 15 alkyl sulfates and C 14 -C 15 alkyl sulfates are preferred.
  • 2,3-alkyl sulfates are also suitable anionic surfactants.
  • fatty alcohol ether sulfates such as the sulfuric acid monoesters of straight-chain or branched C 7 ethoxylated with from 1 to 6 mol of ethylene oxide.
  • 2 i-alcohols such as 2-methyl-branched C 9 .n-alcohols having an average of 3.5 moles of ethylene oxide (EO) or Ci 2 _i 8 -Fettalkohole with 1 to 4 EO, are suitable.
  • Suitable anionic surfactants are fatty acid soaps.
  • Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid, and in particular derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids
  • the anionic surfactants including the fatty acid soaps may be in the form of their sodium, potassium or magnesium or ammonium salts.
  • the anionic surfactants are in the form of their sodium salts or ammonium salts.
  • Amines which can be used for neutralization are preferably choline, triethylamine, monoethanolamine, diethanolamine, triethanolamine,
  • Methylethylamine or a mixture thereof, with monoethanolamine is preferred.
  • the total amount of anionic surfactant and nonionic surfactant in the liquid washing or cleaning agent is preferably up to 85 wt .-%, preferably 40 to 75 wt .-% and particularly preferably 50 to 70 wt .-%, based on the total liquid washing or Cleaning supplies.
  • the washing or cleaning agent is liquid.
  • the washing or cleaning agent may contain water, the content of water being less than 15% by weight and more preferably less than 10% by weight, based in each case on the total washing or cleaning agent.
  • a liquid washing or cleaning agent contains particles whose diameter along their greatest spatial extent is preferably 1 to 300 ⁇ m and more preferably 5 to 100 ⁇ m.
  • particles may be capsules, abrasives as well as powders, granules or compounds of compounds which are insoluble in the liquid washing or cleaning agent.
  • the particles are capsules.
  • the particles are insoluble compounds in the liquid washing or cleaning agent, in particular cellulose derivatives, such as, for example, carboxymethylcellulose or hydroxyalkylmethylcelluloses, or pearlescent compounds.
  • capsule on the one hand understood aggregates with a core-shell structure and on the other hand aggregates with a matrix.
  • Core-shell capsules contain at least one solid or liquid core which is enclosed by at least one continuous shell, in particular a shell of polymer (s).
  • liquid washing or cleaning agent can be enclosed stable in storage and transport.
  • active ingredients for example, optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes and fragrances,
  • Antioxidants builders, enzymes, enzyme stabilizers, antimicrobial agents, and
  • Grayness inhibitors are located.
  • the fillings of the capsules may be solids or liquids in the form of solutions or emulsions or suspensions.
  • the capsules may have any shape in the production-related framework, but they are preferably approximately spherical. Their diameter along their greatest spatial extent, depending on the components contained in their interior and the application between 1 ⁇ and 100 ⁇ , preferably between 5 and 40 ⁇ lie.
  • particles which have no core-shell structure but in which the active substance is distributed in a matrix of a matrix-forming material. Such particles are also referred to as "speckies”.
  • the matrix formation in these materials takes place for example via gelation, polyanion-polycation interactions or polyelectrolyte-metal ion interactions and is well known in the art as well as the production of particles with these matrix-forming materials.
  • An exemplary matrix-forming material is alginate.
  • an aqueous alginate solution which also contains the active ingredient to be enclosed or the active ingredients to be enclosed, is dripped off and then cured in a precipitation bath containing Ca 2+ ions or Al 3+ ions.
  • matrix-forming materials can be used instead of alginate.
  • the release of the active ingredients from the capsules is usually carried out by destruction of the shell or the matrix due to mechanical, thermal, chemical or enzymatic action.
  • liquid detergents or cleaners contain capsules in which one or more fragrances are contained.
  • the cellulose derivative is preferably selected from the group consisting of
  • Carboxymethyl cellulose (CMC), an ether sulfonic acid salt of cellulose, an acidic sulfuric ester salt of cellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, methyl hydroxyethyl cellulose,
  • Methylcarboxymethylcellulose ethylhydroxyethylcellulose and a mixture of these
  • Cellulose derivatives include carboxymethylcellulose, hydroxypropylmethylcellulose, methylhydroxyethylcellulose or mixtures of two or more of these cellulose derivatives.
  • the diameter along the largest spatial extent of the cellulose derivatives is preferably 5 to 250 ⁇ .
  • Cellulosederivaten in dispersed, particulate form is that it is not undesirable Viscosity increase of the liquid detergent or cleaning agent by the presence of a cellulose derivative comes.
  • Suitable pearlescent compounds include, for example, mica, metal oxide-coated mica, silica-coated mica, bismuth oxychloride-coated mica, bismuth oxychloride, glass, metal oxide-coated glass, polyester glitter and / or metal glitter.
  • the diameter along the largest spatial extent of the pearlescent compounds is preferably 5 to 25 ⁇ .
  • An especially preferred pearlescent compound is, for example, COSMI® SW-20 (ex Wunzhou Kuncai Pearlescent Pigment Co., LTD.).
  • the particles may comprise abrasives such as plastic or calcium carbonate beads as well as powders, granules or compounds of compounds insoluble in the detergent or cleaning agent.
  • abrasives such as plastic or calcium carbonate beads as well as powders, granules or compounds of compounds insoluble in the detergent or cleaning agent.
  • the particles can be stably dispersed in the liquid detergents or cleaners.
  • Stable means that the detergents or cleaning agents are stable at room temperature for a period of at least 4 weeks, and preferably for at least 6 weeks, without the particles in the medium creaming or sedimenting.
  • Detergent same or different particles in amounts of 0, 1 to 10 wt .-%, in particular 0, 15 to 8 wt .-% and most preferably 0.2 to 5 wt .-%.
  • silica Another essential ingredient of the liquid detergent or cleaning agent is the fumed silica.
  • Synthetic silica is produced industrially in different processes. The large-scale production of synthetic silica is mainly carried out by precipitation processes starting from water glass. Depending on the process conditions, silica produced in this way is called precipitated silicas, silica gels or colloidal silicic acid.
  • Pyrogenic silica is produced in a blast gas flame, starting from liquid chlorosilanes such as silicon tetrachloride (SiCl 4 ).
  • pyrogenic silica is particularly suitable for structuring low-water detergents or cleaners.
  • Silica in the liquid detergents or cleaning agents obtained Suitable fumed silica is available, for example, under the names Aerosil® R 972, Aerosil® R 974 and Aerosil® R 816 from Evonik.
  • the amount of fumed silica in the liquid washing or cleaning agent is preferably from 0.1 to 10% by weight, and more preferably from 0.2 to 2% by weight.
  • the pyrogenic silica structured liquid washing or cleaning agents preferably have a viscosity in the range of 200 to 2000 mPas and more preferably in the range of 300 to 800 mPas.
  • the determination of the viscosity is carried out at 20 ° C and with a Brookfield rotary viscometer type RVT at 20 rpm.
  • liquid detergents or cleaners containing hexadecylsilane Furthermore, the liquid detergents or cleaners containing hexadecylsilane
  • a yield point This is at least 0.1 Pa and preferably at least 0.3 Pa.
  • the samples were loaded in the rheometer with a time-increasing shear stress s (t). For example, the shear stress in the course of 10 minutes from
  • the deformation ⁇ of the sample is measured.
  • the deformation is plotted against the shear stress in a double-logarithmic plot. If the examined sample has a yield point, clearly two areas can be distinguished in this plot.
  • Break point is possible by applying tangents to the two curve parts. Samples without yield point do not show a characteristic kink in the function ⁇ ( ⁇ ).
  • the detergent or cleaning agent may contain other ingredients which are the performance and / or further improve the aesthetic properties of the washing or cleaning agent.
  • the washing or cleaning agent preferably additionally contains one or more substances from the group of builders, bleaches, enzymes, electrolytes, pH adjusters, perfumes, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, anti redeposition agents, grayness inhibitors , Inlet preventer, anti-crease agents, color transfer inhibitors, antimicrobial agents, non-aqueous solvents,
  • Germicides Germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatics, bittering agents, ironing auxiliaries, repellents and impregnating agents, skin-care active ingredients, swelling and anti-slip agents, softening components and UV absorbers.
  • the liquid washing or cleaning agent can be filled into a water-soluble casing and thus be part of a water-soluble packaging.
  • a water-soluble packaging contains, in addition to the liquid washing or cleaning agent, a water-soluble coating.
  • the water-soluble coating is preferably by a
  • Such water-soluble packages can be obtained either by vertical methods
  • VFFS Form hypoxialversiegelns
  • thermoforming method can be produced.
  • the thermoforming process generally includes forming a first layer of water-soluble film material to form protuberances for receiving one
  • composition therein, filling the composition into the protrusions, covering the composition filled protrusions with a second layer of one
  • the water-soluble coating is preferably formed from a water-soluble film material selected from the group consisting of polymers or polymer blends.
  • the wrap may consist of one or two or more layers of the water-soluble
  • Foil material are formed.
  • the water-soluble film material of the first layer and the further layers, if present, may be the same or different.
  • the water-soluble package comprising the liquid detergent or water-soluble wrapper may have one or more chambers.
  • the liquid detergent may be contained in one or more chambers, if any, of the water-soluble coating.
  • the amount of liquid detergent or cleaning agent preferably corresponds to the full or half dose needed for a wash. It is preferable that the water-soluble coating contains polyvinyl alcohol or a polyvinyl alcohol copolymer.
  • Suitable water-soluble films for producing the water-soluble coating are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose
  • Molecular weight in the range of 10,000 to 1,000,000 gmol “1 , preferably from 20,000 to 500,000 gmol “ 1 , more preferably from 30,000 to 100,000 gmol “1 and in particular from 40,000 to 80,000 gmol “ 1 .
  • polyvinyl alcohol is usually carried out by hydrolysis of polyvinyl acetate, since the direct synthesis route is not possible.
  • polyvinyl alcohol copolymers which are prepared from correspondingly polyvinyl acetate copolymers. It is preferred if at least one layer of the water-soluble coating comprises a polyvinyl alcohol whose degree of hydrolysis makes up 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol% and in particular 82 to 88 mol%.
  • a polymer selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath is selected from the group comprising a polyvinyl alcohol-containing sheet material suitable for producing the water-soluble sheath
  • (Meth) acrylic acid-containing (co) polymers polyacrylamides, oxazoline polymers, polystyrene sulfonates, polyurethanes, polyesters, polyethers, polylactic acid or mixtures of the above polymers may be added.
  • a preferred additional polymer is polylactic acids.
  • Preferred polyvinyl alcohol copolymers include, in addition to vinyl alcohol, dicarboxylic acids as further monomers.
  • Suitable dicarboxylic acids are itaconic acid, malonic acid, succinic acid and
  • polyvinyl alcohol copolymers include, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt or its esters.
  • Such polyvinyl alcohol copolymers particularly preferably contain, in addition to vinyl alcohol, acrylic acid, methacrylic acid, acrylates, methacrylates or mixtures thereof.
  • the film material contains further additives.
  • the film material may include, for example, plasticizers such as dipropylene glycol, ethylene glycol, diethylene glycol,
  • Additives include, for example, release aids, fillers, crosslinking agents, surfactants, antioxidants, UV absorbers, antiblocking agents, detackifiers, or mixtures thereof.
  • Packaging according to the invention are films marketed by MonoSol LLC, for example under the designation M8630, C8400 or M8900.
  • Other suitable films include films named Solublon® PT, Solublon® GA, Solublon® KC or Solublon® KL from Aicello Chemical Europe GmbH or the films VF-HP from Kuraray.
  • the water-soluble packaging may be dimensionally stable or deformable.
  • the water-soluble packaging may be formed as a dimensionally stable container, for example in the form of a capsule, box, box or container.
  • the water-soluble packaging in principle it is also possible and preferred to mold the water-soluble packaging as a non-dimensionally stable container, for example as a bag.
  • the shape of such a water-soluble packaging can be largely adapted to the conditions of use.
  • various forms such as hoses, pillows, cylinders, bottles or discs in question.
  • the water soluble package may include one or more chambers for storing one or more agents.
  • the low-water detergents or cleaners according to the invention and the water-soluble detergents or cleaning compositions according to the invention can be used for washing or for cleaning textile or hard surfaces by using the water-poor detergent or cleaning agent according to the invention or the water-soluble packaging according to the invention with the low-water Washing or
  • Detergent produced a washing or cleaning liquor and this is brought into contact with the surface to be treated.
  • Liquid detergents or cleaners were prepared by conventional and known methods and procedures. In the following Table 1, the compositions of four detergents or cleaners according to the invention E1 to E4 and six are not
  • Amylase & protease optical 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
  • the four detergents E1 to E4 were clear and stable for 8 weeks under various climatic conditions.
  • the detergents E2 and E3 had a particularly clear appearance.
  • the washing or cleaning agent E1 had a flow limit of 0.3 Pa.
  • the washing or cleaning agent E4 had a yield strength of 0.7 Pa.
  • perfume capsules having a particle diameter d 90 of less than 15 ⁇ m were homogeneously dispersed in the two washing or cleaning agents E1 and E2.
  • washing or cleaning agent E3 were 0.4 wt .-% of a mica and Ti0 2 -containing
  • Pearlescent compound with a diameter in the range of 5 to 25 ⁇ dispersed were 1, 5 wt .-% carboxymethyl cellulose with a
  • the four particle-containing detergents or cleaners E1 to E4 were stable under different climatic conditions for 8 weeks and showed no appreciable creaming and / or sedimentation of the respectively dispersed particles.
  • water-soluble packaging with the washing or cleaning agent E4 showed a very high when used several times

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne des détergents ou produits nettoyants liquides comprenant : a) 5 à 85% en poids, rapporté au poids total du détergent ou produit nettoyant, d'agent tensio-actif ; b) 0,1 à 10% en poids, rapporté au poids total du détergent ou produit nettoyant, de particules ; c) 0,1 à 10% en poids, rapporté au poids total du détergent ou produit nettoyant, de dioxyde de silicium pyrogène ; et d) jusqu'à 15% en poids, rapporté au poids total du détergent ou produit nettoyant, d'eau. Le détergent ou produit nettoyant liquide est limpide, il ne présente pas de crémage et/ou sédimentation des capsules dispersées et il peut être incorporé dans des emballages solubles dans l'eau.
EP13756451.4A 2012-09-14 2013-08-29 Détergent liquide structuré à faible teneur en eau contenant des particules Active EP2895588B1 (fr)

Applications Claiming Priority (2)

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DE102012216399.9A DE102012216399A1 (de) 2012-09-14 2012-09-14 Strukturiertes, wasserarmes, flüssiges Waschmittel mit Partikeln
PCT/EP2013/067944 WO2014040865A1 (fr) 2012-09-14 2013-08-29 Détergent liquide structuré à faible teneur en eau contenant des particules

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DE102013200358A1 (de) * 2013-01-14 2014-07-17 Henkel Ag & Co. Kgaa Wasserarme bis wasserfreie flüssige Reinigungsmittel
DE102014225145A1 (de) * 2014-12-08 2016-06-09 Henkel Ag & Co. Kgaa Verfahren zur Herstellung flüssiger, Tensid-enthaltender Zusammensetzungen mit Fließgrenze
EP3178912A1 (fr) * 2015-12-10 2017-06-14 The Procter and Gamble Company Procédé de fabrication d'une composition de détergent à lessive liquide
PT3423558T (pt) * 2016-03-02 2019-10-15 Unilever Nv Composição detergente na forma de uma suspensão
EP3623458A1 (fr) * 2018-09-11 2020-03-18 The Procter & Gamble Company Article de dose unitaire soluble dans l'eau

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US20150184115A1 (en) 2015-07-02
WO2014040865A1 (fr) 2014-03-20
DE102012216399A1 (de) 2014-05-15

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