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EP4314229A1 - Unité de détergent à dose unique - Google Patents

Unité de détergent à dose unique

Info

Publication number
EP4314229A1
EP4314229A1 EP22710014.6A EP22710014A EP4314229A1 EP 4314229 A1 EP4314229 A1 EP 4314229A1 EP 22710014 A EP22710014 A EP 22710014A EP 4314229 A1 EP4314229 A1 EP 4314229A1
Authority
EP
European Patent Office
Prior art keywords
pressed
underside
upper side
shaped body
pressed shaped
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
EP22710014.6A
Other languages
German (de)
English (en)
Other versions
EP4314229B1 (fr
Inventor
Till Überrück
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 EP4314229A1 publication Critical patent/EP4314229A1/fr
Application granted granted Critical
Publication of EP4314229B1 publication Critical patent/EP4314229B1/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
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0052—Cast detergent 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0078—Multilayered tablets
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0086—Laundry tablets
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention relates to a detergent portion unit, comprising a gel body and a rigid enveloping substance at least partially covering the gel body.
  • the application also relates to a method for producing this detergent portion unit and a washing method for textiles or crockery using such a detergent portion unit.
  • water-soluble polymers are generally formed into receiving chambers, which are then filled with a detergent or cleaning agent and finally sealed.
  • the receiving chambers can be made, for example, from water-soluble polymer films by deep-drawing processes.
  • a water-soluble polymer is injection molded into a receptacle.
  • the water-soluble packaging material used to package the filled detergent portion units is generally hygroscopic.
  • the tendency and ability of the packaging to absorb water can result in portion units adhering to the surfaces of machines or packaging materials and being unable to be optimally conveyed, or in adjacent portion units, for example in a common outer packaging, glue together.
  • the powdering of the water-soluble detergent portion units in turn requires an additional process step.
  • the washing performance provided by the detergent portion unit is directly related to the dissolving properties of the portion unit.
  • the reduction in the thickness of the surrounding film material results in reduced mechanical stability of the portion units.
  • Detergent tablets offer an alternative to the sachets described above, in which however adequate mechanical stability and high dissolution rate are incompatible in a similar way as in the case of sachets.
  • the application was based on the object of providing detergent portion units that can be produced using simplified processes, have high product and storage stability, can be made up easily using very small amounts of packaging materials and are an appealing olfactory, visual and/or haptic appeal.
  • the detergent portion units should have a high product performance and be easy and safe to handle for the consumer.
  • a detergent portion unit is suitable for solving these tasks, comprising a) a dimensionally stable gel body b) an encapsulating substance in the form of a pressed shaped body different from the dimensionally stable gel, which partially covers the surface of the dimensionally stable gel body, i) the pressed shaped body having a bottom and a top has, which are connected to each other by a lateral surface and ii) the pressed shaped body has at least one spatial diagonal, which connects two opposite points on the lateral surface of the pressed shaped body, the density of the pressed shaped body along the Room diagonals are changed at least twice in such a way that the density first increases and then decreases again.
  • detergent portion unit describes a form of supply in which a measured portion of a detergent or cleaning agent is present. Detergent portion units therefore designate both forms of supply for textile laundry and forms of supply for cleaning hard surfaces such as ceramics, glass, metal or tiles.
  • the detergent portion unit preferably weighs from 14 g to 42 g, preferably from 20 g to 38 g, in particular from 24 g to 34 g.
  • the detergent portion unit according to the invention comprises a dimensionally stable gel and a specific coating substance which at least partially covers this gel.
  • Gel bodies are bodies that exhibit elastic deformation behavior under the action of force. Objects are considered dimensionally stable if they have an inherent dimensional stability that enables them to assume a non-disintegrating three-dimensional shape under the usual conditions of manufacture, storage, transport and handling by the consumer, with this three-dimensional shape also changing over longer periods under the conditions mentioned Time, preferably 4 weeks, particularly preferably 8 weeks and in particular 32 weeks, not changed, i.e. under the usual conditions of production, storage, transport and handling by the consumer in the spatial-geometric shape caused by the production , that is, does not flow.
  • Time preferably 4 weeks, particularly preferably 8 weeks and in particular 32 weeks
  • a “molding” is a single body that is self-stabilizing in its imposed shape.
  • This dimensionally stable body is formed from a molding material (e.g. a composition) by bringing this molding material into a predetermined shape in a targeted manner, e.g. by pouring a liquid composition into a mold and then curing the liquid composition or by compressing a particulate premix, for example in as part of a tableting process.
  • a molding material e.g. a composition
  • the three-dimensional form of the gel body can in principle be freely selected; its side surfaces can, for example, be convex, concave or planar. At the same time, however, certain spatial configurations have proven to be particularly advantageous against the background of the producibility, storage and use of the gel bodies.
  • the gel body has a flat underside, the largest diagonal of which is greater than the height of the gel body.
  • these bodies can also be packed in a simple and space-saving manner and are suitable for dosing via the dosing or dispensing chambers of electronic cleaning devices. It is preferred if the gel body has a flat underside, the largest diagonal of which is more than 1.5 times, preferably more than 2 times, the height of the gel body.
  • the underside of the gel body has no corners.
  • Preferred gel bodies are therefore characterized by oval undersides or alternatively by ellipsoidal or round, preferably round, undersides.
  • Corresponding gel bodies with a non-angular underside are also preferred by many consumers because of their appearance.
  • those gel bodies are preferred which have an underside and an upper side which are connected to one another by a cylindrical lateral surface.
  • angular undersides are advantageous since such gel bodies can be cut up without leaving residues and can be packed in a space-saving manner.
  • preferred gel bodies therefore have angular undersides, in particular triangular, quadrangular or hexagonal undersides.
  • the gel bodies have an upper side that is plane-parallel to the underside.
  • the gel body has a bottom and a top which have the same geometric shape, with the bottom and the top having the same surface area.
  • corresponding gel bodies can be produced in a simple manner, for example by casting plates and then cutting up the plates to form individual gel bodies.
  • these gel bodies can be spatially aligned in a simpler manner than gel bodies with a lower body symmetry in any subsequent process steps, during packaging or use by the user due to the geometric identity of the bottom and top. This applies in particular to gel bodies which at the same time have an upper side which is plane-parallel to the underside.
  • gel bodies are circular cylinders, elliptical cylinders, parallelepipeds, rhombohedrons, straight or oblique prisms, cuboids or cubes.
  • the group of circular cylinders and elliptical cylinders includes the vertical circular cylinders and elliptical cylinders as well as the oblique circular cylinders and elliptical cylinders.
  • Gel bodies in the form of vertical circular cylinders, vertical elliptical cylinders, right prisms, right parallelepipeds or cubes are preferred because of their simple production by separation from a plate.
  • the gel body has a bottom and a top which have the same geometric shape, with the bottom and the top having different surface areas.
  • Corresponding gel bodies can be preferred due to their attractive appearance or their optimized fit, while at the same time being comparatively easy to produce.
  • Examples of such gel bodies are circular cylinders or elliptical cylinders with a convex or concave bottom and a flat top.
  • Other examples are truncated cones or truncated pyramids.
  • preferred objects of the application can be characterized as detergent portion units comprising a gel body with a bottom and a top, the area of the top being 80 to 100%, preferably 90 to 100% and in particular 98 to 100% of the bottom.
  • the detergent portion units according to the invention are particularly suitable for the formulation of surfactant-containing compositions, since these compositions tend to adhere and stick to a particular extent, for example, when exposed to moisture.
  • the gel body therefore contains 30 to 70% by weight, preferably 40 to 60% by weight and in particular 45 to 55% by weight of surfactant.
  • the gel bodies For the manufacturability and the subsequent dissolving power of the gel bodies, it has proven to be advantageous if they contain 15 to 35% by weight, preferably 20 to 30% by weight, of an aqueous-organic solvent. Preferred gel bodies also contain dye.
  • Preferred detergent dosage units comprise a transparent gel body.
  • Those gel bodies are referred to as “transparent” which have a transmission in the wavelength range from 410 to 800 nm at at least one wavelength, preferably at 600 nm, above 20%, preferably above 30% and in particular above 35%.
  • the transmission is determined by means of VIS spectrometry at a sample temperature of 20° C. and a cuvette length of 10 mm.
  • the low molecular weight gelling agent has a solubility in water of less than 0.1 g/L (20° C.). The solubility of the organic gelator compound is determined at 20°C in double-distilled, demineralized water.
  • gel formers are preferably suitable which have a structure containing at least one hydrocarbon structural unit with 6 to 20 carbon atoms (preferably at least one carbocyclic, aromatic structural unit) and additionally an organic structural unit covalently bonded to the aforementioned hydrocarbon unit, the at least two groups selected from -OH, -NH-, or mixtures thereof.
  • gel bodies are characterized in that said gel bodies contain at least one benzylidene alditol compound of the formula (GB-I) as gel former (GB-I) wherein
  • *- stands for a covalent single bond between an oxygen atom of the alditol backbone and the intended residue
  • n stands for 0 or 1, preferably for 1
  • m stands for 0 or 1, preferably for 1, stands,
  • both said benzylidene alditols in the L configuration or in the D configuration or a mixture of both are suitable according to the invention. Because of their natural availability, the benzylidene alditol compounds in the D configuration are preferably used according to the invention.
  • the alditol skeleton of the benzylidene alditol compound according to formula (GB-I) contained in the shaped body is composed of D-glucitol, D-mannitol, D-arabinitol, D-ribitol, D-xylitol, L -glucitol, L-mannitol, L-arabinitol, L-ribitol or L-xylitol.
  • Those gel bodies which are characterized in that R 1 , R 2 , R 3 , R 4 , R 5 and R 6 according to the benzylidene alditol compound of the formula (GB-I) independently of one another are a hydrogen atom, methyl, ethyl, chlorine are particularly preferred , fluorine or methoxy, preferably a hydrogen atom.
  • n according to the benzylidene alditol compound of the formula (GB-I) is preferably 1.
  • m according to the benzylidene alditol compound of formula (GB-I) preferably represents 1.
  • the gel body very particularly preferably contains at least one compound of the formula (GB-11) as the benzylidene alditol compound of the formula (GB-I) wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined in formula (I).
  • R 1 , R 2 , R 3 , R 4 , R 5 and R 6 independently represent a hydrogen atom, methyl, ethyl, chlorine, fluorine or methoxy, preferably a hydrogen atom.
  • the benzylidene alditol compound of formula (GB-I) is selected from 1,3:2,4-di-0-benzylidene-D-sorbitol; 1,3:2,4-di-0-(p-methylbenzylidene)-D-sorbitol; 1,3:2,4-di-O-(p-chlorobenzylidene)-D-sorbitol; 1,3:2,4-di-0-(2,4-dimethylbenzylidene)-D-sorbitol; 1,3:2,4-di-0-(p-ethylbenzylidene)-D-sorbitol; 1,3:2,4-di-0-(3,4-dimethylbenzylidene)-D-sorbitol or mixtures thereof.
  • Preferred gel bodies contain at least one 2,5-diketopiperazine compound of the formula (GB-II) as gel former wherein
  • R 1 , R 2 , R 3 and R 4 independently represent a hydrogen atom, a hydroxy group, a (Ci-C6) alkyl group, a (C 2 -C6) alkenyl group, a (C 2 -C6) acyl group, a (C 2 -C6) acyloxy group, a (Ci-C6) alkoxy group, an amino group, a (C 2 -C6) acylamino group, a (Ci-C6) alkylaminocarbonyl group, an aryl group, an aroyl group, an aroyloxy group, an aryloxy group, an aryl-(Ci-C4)-alkyloxy group, an aryl-(Ci-C3)-alkyl group, a heteroaryl group, a hetroaryl-(Ci-C3)-alkyl group, a (C1-C4)-hydroxyalkyl group, a ( Ci-C4)-aminoalkyl
  • R 5 represents a hydrogen atom, a linear (Ci to C6) alkyl group, a branched (C3 to Cio) alkyl group, a (C3 to C6) cycloalkyl group, a (C 2 -C6) alkenyl group, a (C 2 -C6)- alkynyl group, a (Ci-C4)-hydroxyalkyl group, a (Ci-C4)-alkoxy-(Ci-C4)-alkyl group, a (C1-C4)-acyloxy-(Ci-C4)-alkyl group, a aryloxy-(Ci-C4)-alkyl group, an 0-(aryl-(Ci-C4)-alkyl)oxy-(Ci-C4)-alkyl group, a (Ci-C4)-alkylsulfanyl-(Ci-C4)-alkyl group , an aryl group, an aryl-(Ci-C3)-al
  • R 3 and R 4 according to formula (GB-II) stand for a hydrogen atom.
  • R 2 , R 3 and R 4 according to formula (GB-II) stand for a hydrogen atom.
  • Very particularly preferred shaped bodies according to the invention therefore contain at least one 2,5-diketopiperazine compound of the formula (GB-IIa) wherein R 1 and R 5 are as defined under formula (GB-II) (vide supra).
  • radical R 1 according to formula (GB-II) and according to formula (GB-IIa) binds in the para-position of the phenyl ring.
  • the numbers 3 and 6 positioned on the ring atoms in formula (GB-IIb) mark only the positions 3 and 6 of the diketopiperazine ring, as are generally used within the scope of the invention for naming all 2,5-diketopiperazines according to the invention.
  • the 2,5-diketopiperazine compounds of formula (GB-II) have centers of chirality at least at the carbon atoms in positions 3 and 6 of the 2,5-diketopiperazine ring.
  • the numbering of ring positions 3 and 6 was illustrated as an example in formula (GB-IIb).
  • the 2,5-diketopiperazine compound of the formula (GB-II) of the compositions according to the invention is preferably the configuration isomer 3S,6S, 3R,6S, 3S based on the stereochemistry of the carbon atoms in the 3- and 6-positions of the 2,5-diketopiperazine ring ,6R, 3R,6R or mixtures thereof, particularly preferably 3S,6S.
  • Preferred gel bodies contain at least one 2,5-diketopiperazine compound of the formula (GB-II) as gelling agent, selected from 3-benzyl-6-carboxyethyl-2,5-diketopiperazine, 3-benzyl-6-carboxymethyl-2,5- diketopiperazine, 3-Benzyl-6-(p-hydroxybenzyl)-2,5-diketopiperazine, 3-Benzyl-6-iso-propyl-2,5-diketopiperazine, 3-Benzyl-6-(4-aminobutyl)-2, 5-diketopiperazine, 3,6-di(benzyl)-2,5-diketopiperazine, 3,6-di(p-hydroxybenzyl)-2,5-diketopiperazine, 3,6-di(p-(benzyloxy)benzyl)- 2.5- diketopiperazine, 3-Benzyl-6-(4-imidazolyl)methyl-2,5-diketopiperazine
  • the gel bodies according to the invention may contain at least one diarylamidocystine compound of the formula (GB-III) as gel former a). wherein
  • X + independently represents a hydrogen atom or an equivalent of a cation
  • R 1 , R 2 , R 3 and R 4 independently represent a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a Ci-C 4 alkoxy group, a C 2 -C 4 hydroxyalkyl group, a hydroxyl group, an amino group, an N-(Ci-C 4 -alkyl)amino group, an N,N-di(Ci-C 4 -alkyl)amino group, an N-(C2-C 4 -hydroxyalkyl)amino group, an N,N-di(C 2 -C 4 -hydroxyalkyl)amino group or R 1 with R 2 or R 3 with R 4 forms a 5- or 6-membered fused ring, which in turn each has at least one group from Ci-C 4 -alkyl group, Ci-C 4 -Alkoxy group, C 2 -C 4 -hydroxyalkyl group, hydroxyl group, amino group, N-(Ci-
  • Each of the stereocenters contained in the compound of formula (GB-III) can independently represent the L or D stereoisomer. It is preferred according to the invention if said cystine compound of the formula (GB-III) is derived from the L-stereoisomer of cysteine.
  • Said gel bodies can contain at least one compound of the formula (GB-III) in which R 1 , R 2 , R 3 and R 4 independently represent a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a Ci-C 4 - Alkoxy group, a C 2 -C 4 hydroxyalkyl group, a hydroxyl group, or R 1 with R 2 or R 3 with R 4 forms a 5- or 6-membered fused ring, which in turn each has at least one group from Ci-C 4 - Alkyl group, Ci-C 4 alkoxy group, C2-C4 hydroxyalkyl group, hydroxyl group may be substituted.
  • R 1 , R 2 , R 3 and R 4 independently represent a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a Ci-C 4 - Alkoxy group, a C 2 -C 4 hydroxyalkyl group, a hydroxyl group, or R 1 with
  • N-(C8-C24) -hydrocarbylglyconamide compounds suitable as gel formers a) preferably have the formula (GB-IV). where n is 2 to 4, preferably 3 or 4, especially 4;
  • R 1 is selected from hydrogen, C1-C16 alkyl, C1-C3 hydroxy or
  • methoxyalkyl radicals preferably C1-C3 alkyl, hydroxyalkyl or methoxyalkyl radicals, particularly preferably methyl;
  • R 2 is selected from Cs-C 24 alkyl, Cs-C 24 monoalkenyl, C8-C24
  • dialkenyl radicals C8-C 24 trialkenyl radicals, Cs-C 24 hydroxyalkyl radicals, Cs-C 24 hydroxyalkenyl radicals, C1-C3 hydroxyalkyl radicals or methoxy-Ci-C3 alkyl radicals, preferably Cs-Cis alkyl radicals and mixtures thereof, more preferably Cs, C10 , C12, C14, Cie and Cis alkyl radicals and mixtures thereof, most preferably C12 and Cu alkyl radicals or a mixture thereof.
  • the group HO-CH2-(CHOH) n -C- is one of one
  • glucuronic acid is to be mentioned in particular as a preferred residue.
  • R 1 is preferably H or a short-chain alkyl radical, especially methyl.
  • R 2 is preferably a long-chain alkyl group, for example a Cs-Cis-alkyl group.
  • the at least one low molecular weight gel former is selected from the group consisting of the cyclic dipeptides, the cyclic dipeptide derivatives and dibenzylidene sorbitol. Due to its technical effect, the at least one gelling agent is particularly preferred, dibenzylidene sorbitol (DBS).
  • DBS dibenzylidene sorbitol
  • the detergent portion unit comprises a water-soluble coating substance as a further essential component, which partially covers the gel body.
  • a water-soluble coating substance as a further essential component, which partially covers the gel body.
  • the gel body forms at least 16%, preferably at least 25% and in particular at least 30% of the total surface area of the detergent portion unit.
  • the coating substance covers 10 to 70%, preferably 30 to 65% and in particular 40 to 60% of the surface of the gel body.
  • the water-soluble coating substance covers the surface of the gel body on two opposite sides of the gel body, since this makes it easier for the consumer to handle the detergent portion unit.
  • this type of surface covering has advantages with regard to the packaging of the detergent portion units, in particular when packaging several detergent portion units together, for example when the detergent portion units are stacked in an outer packaging.
  • detergent portion units in which the gel body has an underside and an upper side and the water-soluble coating substance at least partially covers both the underside and the upper side of the gel body. Both the underside and the upper side of the gel body are preferably covered to an extent of at least 40%, preferably at least 60% and in particular at least 80%.
  • the gel body has an underside and an upper side, and the water-soluble coating substance covers both the underside and the upper side of the gel body over the entire surface.
  • the gel body and the enveloping substance are preferably adhesively bonded to one another.
  • the enveloping substance can be made up in different ways.
  • the use of castings has proven to be technically easy to implement.
  • the production of the enveloping substance by casting has the advantage that a wide variety of geometries can be produced.
  • the cast bodies are particularly preferably solidified melts.
  • the shell substance preferably has a breaking strength of 50N to 300N, in particular 70N to 200N.
  • this breaking strength ensures sufficient stability of the shell substance Production, transport and handling by the consumer and on the other hand ensures that the coating substance dissolves satisfactorily in an aqueous liquor.
  • the hardness of the enveloping substance is measured by deformation to failure, the force acting on the lateral surfaces of the enveloping substance and determining the maximum force that it can withstand.
  • a tablet testing device from Sotax, for example, is suitable for determining the hardness of the coating substance.
  • Corresponding detergent portion units comprise an enveloping substance which, based on its total weight, contains more than 40% by weight, preferably more than 60% by weight, particularly preferably more than 80% by weight, of washing- or cleaning-active ingredient.
  • a first group integrated into the enveloping substance are the washing or cleaning active ingredients. Their incorporation into the enveloping substance ensures a perceptible fragrance experience for the consumer, which cannot be guaranteed in the same way when the fragrances are incorporated into the gel body.
  • Another group of washing or cleaning ingredients preferably incorporated into the enveloping substance is formed by the builders, in particular the zeolites, silicates and carbonates, particularly preferably the zeolites or carbonates.
  • the proportion by weight of these active substances in the total weight of the coating substance is preferably 5 to 60% by weight, in particular 10 to 50% by weight.
  • Coating substances which, based on their total weight, contain 5 to 60% by weight, in particular 10 to 50% by weight, of zeolite are particularly preferred. These active substances not only contribute to the intended washing and cleaning effect, but also improve the contour sharpness and durability of the printed image if the surface of the enveloping substance is printed.
  • coating substances are preferred which, based on their total weight, contain 5 to 60% by weight, in particular 10 to 50% by weight, of carbonate. These active substances not only increase the intended washing and cleaning effect, but also improve the compressibility of the coating substance.
  • active substances from the group of polymeric washing or cleaning ingredients preferably from the group of celluloses and cellulose derivatives, preferably from the group of celluloses, microcrystalline celluloses and carboxymethyl celluloses, is also advantageous for the sharpness of the contours and durability of the printed image.
  • the proportion by weight of these cellulose-based active substances in the total weight of the shell substance is preferably 2 to 50% by weight.
  • preferred shell substances contain less than 10% by weight, preferably less than 5% by weight and in particular less than 1% by weight, of an organic acid, based on their total weight. Active substances are referred to as organic acids which are contained in the enveloping substance in acid form, i.e. not in the form of their salt.
  • the enveloping substance is opaque.
  • Those enveloping substances are referred to as “non-transparent” which have a transmission below 10%, preferably below 5% and in particular below 1% in the wavelength range from 410 to 800 nm at at least one wavelength, preferably at 600 nm.
  • the transmission is determined by means of VIS spectrometry at a sample temperature of 20° C. and a cuvette length of 10 mm.
  • non-transparent enveloping substances creates a product appearance, especially when used in combination with transparent gel bodies, which enables the consumer to distinguish between the surfaces covered by the enveloping substance and those not covered by the enveloping substance and the detergent portion unit, for example when removing it from a container , which comprises several detergent portion units, to specifically grip the surfaces covered by the enveloping substance and in this way to avoid direct contact with the gel body.
  • the gel body and the enveloping substance preferably have a color difference DE of more than 20, preferably more than 40.
  • preferred coating substances are white, ie not colored.
  • the white color of the enveloping substance is particularly suitable for printing.
  • the enveloping substance can also be colored.
  • the colored design of the enveloping substance enables, for example, the optical communication of specific product properties, for example with regard to its effect or smell.
  • the colored enveloping substance preferably does not have the same color as the gel body. Colored enveloping substances can of course also be printed.
  • Characteristic of the pressed shaped body is the at least one spatial diagonal, which connects two opposite points on the lateral surface of a pressed shaped body, with the density of the pressed shaped body changing at least twice along the spatial diagonal in such a way that the density initially increases and subsequently drops again.
  • the space diagonal runs within the molding volume.
  • the density of the pressed shaped body increases along the spatial diagonal if the density along the spatial diagonal increases by at least 5%, preferably by at least 10%.
  • the density of the pressed molding falls along the spatial diagonal if the density along the spatial diagonal decreases by at least 5%, preferably by at least 10%.
  • the determination of the density along the space diagonals can be carried out, for example, by means of computed tomography methods.
  • Preferred detergent portion units therefore have at least one spatial diagonal which connects two opposite points on the lateral surface of the pressed shaped body, the density of the pressed shaped body changing at least three times, preferably at least four times along the spatial diagonal in such a way that the density initially increases and then decreases again.
  • the pressed shaped body has at least two mutually orthogonal spatial diagonals which differ from one another and which in each case connect two opposite points on the lateral surface of the pressed shaped body with one another, the density of the pressed shaped body along the spatial diagonals increasing at least twice, preferably three times Changed times, particularly preferably at least four times, in such a way that the density first increases and then decreases again.
  • the density gradients within the pressed shaped body are realized, for example, by embossing indentations in the underside or the upper side of the pressed shaped body. These embossments are preferably from 10 to 55% of the face provided with the indentations.
  • preferred detergent portion units comprise a) a dimensionally stable gel body, comprising a bottom, a top and a lateral surface connecting the bottom and the top, b) an encapsulating substance in the form of two pressed shaped bodies, which cover the bottom and the top of the dimensionally stable gel body, wherein i ) at least one of the pressed shaped bodies has an underside and an upper side, which are connected to one another by a lateral surface and ii) this pressed shaped body has at least one spatial diagonal, which connects two opposite points on the lateral surface of the pressed shaped body, with the density of the pressed shaped body along the spatial diagonal changed at least twice in such a way that the density first increases and then decreases again and iii) this pressed body is still adhesively connected to the dimensionally stable gel body on its underside, iv) the upper side of this pressed body having an impression which covers 10 to 55 percent of its upper side.
  • a dimensionally stable gel body comprising a bottom, a top and the bottom and the top connecting Lateral surface, b) an enveloping substance in the form of two pressed shaped bodies, which cover the underside and the upper side of the dimensionally stable gel body, i) at least one of the pressed shaped bodies having a lower side and an upper side, which are connected to one another by a lateral surface and ii) this pressed shaped body has at least one spatial diagonal, which connects two opposite points on the lateral surface of the pressed shaped body with one another, the density of the pressed shaped body changing at least twice along the spatial diagonal in such a way that d The density initially increases and then decreases again and iii) this pressed body is still adhesively connected to the dimensionally stable gel body on its underside, wherein i
  • the embossing preferably has a different color than the surrounding remaining area of the upper side.
  • a corresponding detergent portion unit can be obtained by coloring the surface of the embossing or the surrounding remaining area of the upper side.
  • the color application by printer or rollers is suitable for coloring.
  • a detergent portion unit comprising a) a dimensionally stable gel body comprising a bottom, a top and a lateral surface connecting the bottom and the top, b) an enveloping substance in the form of two pressed Shaped bodies, which cover the bottom and the top of the dimensionally stable gel body, wherein i) at least one of the pressed shaped bodies has an underside and an upper side, which are connected to one another by a lateral surface and ii) this pressed shaped body has at least one spatial diagonal, which connects two opposite points on the lateral surface of the pressed shaped body, with the Density of the pressed shaped body changed at least twice along the spatial diagonals in such a way that the density first increases and then falls again and iii) this pressed body is still adhesively connected to the dimensionally stable gel body on its underside, and furthermore iv) the upper side of this pressed body Body has
  • each of the detergent portion units has a separate foil packaging.
  • the water-soluble film material may comprise one or more structurally distinct water-soluble polymer(s).
  • Particularly suitable as water-soluble polymer(s) are polymers from the group of (possibly acetalized) polyvinyl alcohols (PVAL) and their copolymers.
  • Water-soluble film materials are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range from 10,000 to 1,000,000 gmof 1 , preferably from 20,000 to 500,000 gmof 1 , particularly preferably from 30,000 to 100,000 gmof 1 and in particular from 40,000 to 80,000 gmof 1 .
  • the preparation of the polyvinyl alcohol and polyvinyl alcohol copolymers typically involves the hydrolysis of intermediate polyvinyl acetate.
  • Preferred polyvinyl alcohols and polyvinyl alcohol copolymers have a degree of hydrolysis of 70 to 100 mol %, preferably 80 to 90 mol %, particularly preferably 81 to 89 mol % and in particular 82 to 88 mol %.
  • preferred polyvinyl alcohol copolymers include an ethylenically unsaturated carboxylic acid, its salt or its ester.
  • Such polyvinyl alcohol copolymers particularly preferably contain, in addition to vinyl alcohol, sulfonic acids such as 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), acrylic acid, methacrylic acid, acrylic esters, methacrylic esters or mixtures thereof; among the esters, Ci- 4 -alkyl esters or - hydroxyalkyl esters are preferred.
  • AMPS 2-acrylamido-2-methyl-1-propanesulfonic acid
  • Other monomers are ethylenically unsaturated Dicarboxylic acids, for example itaconic acid, maleic acid, fumaric acid and mixtures thereof.
  • film packaging which consists of at least 40% by weight, preferably at least 60% by weight and in particular at least 80% by weight of polyvinyl alcohol.
  • Particularly preferred detergent portion units therefore have no outer packaging made from a water-soluble or water-insoluble film material.
  • the problem-free removal of the detergent portion units from the outer packaging can also be promoted by the orientation of the detergent portion units in the outer packaging.
  • the detergent portion unit is arranged together with at least one other detergent portion unit in a common outer packaging in such a way that the enveloping substance of at least one detergent portion unit is in direct contact with the gel body or the enveloping substance, preferably with the enveloping substance of another detergent portion unit.
  • a gel and a water-soluble coating substance are combined to form a detergent metering unit.
  • a preferred variant of the method comprises the steps: i) providing a covering material; ii) providing a gel body; iii) applying a coating material to the surface of the gel body.
  • the gel body is preferably provided in step ii) by solidification of a flowable composition. It is particularly preferred to apply a flowable composition to a shell material in step ii), the gel body being formed by subsequent solidification of the flowable composition and being adhesively bonded to the water-soluble shell material. After the application of a water-soluble coating material, the gel body can be divided into detergent portion units.
  • a last subject of the application is a method for textile care or textile cleaning, in which a previously described detergent portion unit is introduced into the dosing chamber or the washing drum of a textile washing machine or into the dosing chamber or the interior of a dishwasher.
  • items provided by this application include:
  • Detergent portion unit comprising a) a dimensionally stable gel body b) an encapsulating substance in the form of a compressed shaped body different from the dimensionally stable gel, which partially covers the surface of the dimensionally stable gel body, wherein i) the pressed shaped body has an underside and an upper side, which is Lateral surface are connected to each other and ii) the pressed shaped body has at least one spatial diagonal, which connects two opposite points on the lateral surface of the pressed shaped body, wherein the density of the pressed shaped body changes at least twice along the spatial diagonal in such a way that the Density initially increases and subsequently decreases again.
  • Detergent portion unit according to point 1 wherein the portion unit has a weight of 14 g to 42 g, preferably 20 g to 38 g, in particular 24 g to 34 g.
  • Detergent portion unit according to one of the previous points, wherein the gel body has a flat underside, the largest diagonal of which is greater than the height of the gel body.
  • Detergent portion unit according to one of the previous points, wherein its greatest diagonal is more than 1.5 times, preferably more than 2 times, the height of the gel body.
  • Detergent portion unit according to one of the previous points, wherein the gel body has an ellipsoidal or round, preferably a round underside.
  • Detergent portion unit according to one of the previous points wherein the gel body has an angular underside.
  • Detergent portion unit according to one of the previous points wherein the gel body has a triangular, square or hexagonal underside.
  • Detergent portion unit according to one of the previous points, wherein the gel body has an upper side that is plane-parallel to the underside.
  • Detergent portion unit according to one of the preceding points, wherein the gel body has an underside and an upper side, which are connected to one another by a cylindrical lateral surface.
  • Detergent portion unit according to one of the previous points, wherein the gel body has a bottom and a top and the area of the top is 80 to 100%, preferably 90 to 100% and in particular 98 to 100% of the bottom.
  • Detergent portion unit according to one of the above points, wherein the gel body, based on its total weight, contains 30 to 70% by weight, preferably 40 to 60% by weight and in particular 45 to 55% by weight of surfactant.
  • Detergent portion unit according to one of the preceding points, wherein the gel body, based on its total weight, contains 15 to 35% by weight, preferably 20 to 30% by weight, of an aqueous-organic solvent.
  • Detergent portion unit according to one of the above points, wherein the gel body contains low-molecular gelling agent with a molar mass of up to 2000 g/mol, its proportion by weight of the total weight of the gel body being less than 5% by weight, preferably 0.1 to 5% by weight, more preferably 0.1 to 2% by weight.
  • Detergent portion unit according to item 16 wherein the low molecular weight gelling agent is selected from the group of cyclic dipeptides, cyclic dipeptide derivatives and dibenzylidene sorbitol. 18. Detergent portion unit according to point 16, wherein dibenzylidene sorbitol is used as the low molecular weight gelling agent.
  • Detergent portion unit according to one of the previous points, wherein the coating substance is present as a tablet.
  • Detergent portion unit according to one of the previous points, wherein the coating substance has a breaking strength of 50N to 300N, preferably 70N to 200N.
  • Detergent portion unit according to one of the preceding points, wherein the coating substance contains more than 40% by weight, preferably more than 60% by weight, particularly preferably more than 80% by weight, based on its total weight, of washing- or cleaning-active ingredient.
  • Detergent portion unit according to one of the previous points, wherein the coating substance contains a washing or cleaning-active ingredient from the group of fragrances.
  • Laundry detergent portion unit according to one of the preceding points, wherein the coating substance contains a polymeric washing or cleaning-active ingredient, preferably a polymeric washing or cleaning-active ingredient from the group of celluloses and cellulose derivatives.
  • Detergent portion unit according to one of the previous points, wherein the gel body and the enveloping substance are adhesively connected to one another.
  • Detergent portion unit according to one of the previous points, wherein the coating substance covers 10 to 70%, preferably 30 to 65% and in particular 40 to 60% of the surface of the gel body.
  • Detergent portion unit according to one of the previous points, wherein the gel body and the enveloping substance have a color difference DE above 20, preferably above 40.
  • Detergent portion unit according to one of the previous points, wherein the enveloping substance is printed.
  • Detergent portion unit according to one of the previous points, wherein the gel body has an underside and an upper side and the water-soluble coating substance at least partially covers both the underside and the upper side of the gel body.
  • Detergent portion unit according to one of the preceding points, wherein the gel body has an underside and an upper side and the water-soluble coating substance covers both the underside and the upper side of the gel body by at least 40%, preferably at least 60% and in particular at least 80%.
  • Detergent portion unit according to one of the preceding points, wherein the pressed shaped body has at least one spatial diagonal which connects two points lying opposite one another on the lateral surface of the pressed shaped body, the density of the pressed shaped body along the spatial diagonals increasing at least three times, preferably at least four times changed in such a way that the density first increases and then decreases again.
  • the pressed shaped body has at least two mutually orthogonal spatial diagonals which differ from one another and which in each case connect two opposite points on the lateral surface of the pressed shaped body with one another, the density of the pressed shaped body along the spatial diagonals being at least two Changed times, preferably three times, particularly preferably at least four times, in such a way that the density first increases and then decreases again.
  • Detergent portion unit comprising a) a dimensionally stable gel body, comprising a bottom, a top and a die
  • Detergent portion unit comprising a) a dimensionally stable gel body, comprising a bottom, a top and a die
  • Detergent portion unit comprising a) a dimensionally stable gel body, comprising a bottom, a top and a lateral surface connecting the bottom and the top, b) an enveloping substance in the form of two pressed shaped bodies, which cover the bottom and the top of the cover a dimensionally stable gel body, where i) at least one of the pressed shaped bodies has an underside and an upper side, which are connected to one another by a lateral surface and ii) this pressed shaped body has at least one spatial diagonal which connects two opposite points on the lateral surface of the pressed shaped body connects, the density of the pressed body changing at least twice along the spatial diagonals in such a way that the density first increases and then falls again and iii) this pressed body continues to adhere to its underside with the dimensionally stable gel body is connected, wherein iv) the upper side of this pressed body has an indentation, the depth of which is between 1% and 40%, preferably between
  • Detergent portion unit has no outer packaging made of a water-soluble film material.
  • Detergent portion unit has no outer packaging made of a water-insoluble film material.
  • Detergent portion unit is arranged together with at least one other detergent portion unit in a common outer packaging that the enveloping substance of at least one detergent portion unit is in direct contact with the gel body or the enveloping substance, preferably the enveloping substance of another detergent portion unit.
  • a process for producing a detergent portion unit in which a gel and a water-soluble coating substance are combined with one another to form a detergent metering unit according to one of points 1 to 45. 47.
  • the method according to claim 46 comprising the steps of: i) providing a covering material; ii) providing a gel body; iii) applying a coating material to the surface of the gel body.
  • step ii) a flowable composition is applied to a shell material and the gel body is formed by subsequent solidification of the flowable composition and is adhesively connected to the water-soluble shell material.
  • Method for textile care or textile cleaning in which a detergent portion unit according to one of points 1 to 47 is introduced into the dosing chamber or the washing drum of a textile washing machine.

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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)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne une unité de détergent à dose unique, comprenant a) un corps de gel dimensionnellement stable, b) une substance de recouvrement sous forme d'un corps moulé comprimé qui est différent du gel dimensionnellement stable et qui recouvre partiellement la surface du corps de gel dimensionnellement stable, i) le corps moulé comprimé présentant un côté inférieur et un côté supérieur qui sont reliés l'un à l'autre par une surface extérieure, et ii) le corps moulé comprimé présentant au moins une diagonale spatiale, qui relie deux points opposés l'un à l'autre sur la surface extérieure du corps moulé pressé, la densité du corps moulé pressé changeant au moins deux fois le long des diagonales spatiales de telle sorte que la densité augmente initialement et diminue ensuite à nouveau. L'invention concerne également un procédé de production associé et des procédés de lavage et de nettoyage utilisant ces unités de portions d'agent de lavage.
EP22710014.6A 2021-04-01 2022-02-24 Unité de détergent à dose unique Active EP4314229B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021203328.8A DE102021203328A1 (de) 2021-04-01 2021-04-01 Waschmittelportionseinheit
PCT/EP2022/054720 WO2022207197A1 (fr) 2021-04-01 2022-02-24 Unité de détergent à dose unique

Publications (2)

Publication Number Publication Date
EP4314229A1 true EP4314229A1 (fr) 2024-02-07
EP4314229B1 EP4314229B1 (fr) 2025-01-01

Family

ID=80739071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22710014.6A Active EP4314229B1 (fr) 2021-04-01 2022-02-24 Unité de détergent à dose unique

Country Status (4)

Country Link
EP (1) EP4314229B1 (fr)
DE (1) DE102021203328A1 (fr)
ES (1) ES3010696T3 (fr)
WO (1) WO2022207197A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120441C2 (de) * 2001-04-25 2003-09-04 Henkel Kgaa Waschmittelformkörper mit viskoelastischer Phase
DE10352961A1 (de) 2003-11-13 2005-06-23 Henkel Kgaa Stoßbelastungsresistente Tablette
WO2015022195A1 (fr) * 2013-08-14 2015-02-19 Budich International Gmbh Tablette détergente à plusieurs phases
DE102015213943A1 (de) 2015-07-23 2017-01-26 Henkel Ag & Co. Kgaa Wasch- oder Reinigungsmittel umfassend wenigstens zwei Phasen
WO2019100104A1 (fr) * 2017-11-27 2019-05-31 Delpack Australia Pty Ltd Comprimé détergent

Also Published As

Publication number Publication date
ES3010696T3 (en) 2025-04-04
WO2022207197A1 (fr) 2022-10-06
DE102021203328A1 (de) 2022-10-06
EP4314229B1 (fr) 2025-01-01

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