EP3728540B1 - Fabrication de corps fusibles contenant un parfum - Google Patents

Fabrication de corps fusibles contenant un parfum Download PDF

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Publication number
EP3728540B1
EP3728540B1 EP18814558.5A EP18814558A EP3728540B1 EP 3728540 B1 EP3728540 B1 EP 3728540B1 EP 18814558 A EP18814558 A EP 18814558A EP 3728540 B1 EP3728540 B1 EP 3728540B1
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EP
European Patent Office
Prior art keywords
melt
oil
container
water
polyquaternium
Prior art date
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EP18814558.5A
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German (de)
English (en)
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EP3728540A1 (fr
Inventor
Thomas Holderbaum
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • 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
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D3/50—Perfumes

Definitions

  • the present invention relates to a method for producing melted bodies, comprising the production of a melt dispersion comprising at least one water-soluble or water-dispersible carrier material and at least one solid in a first container; Mixing the melt dispersion thus obtained with at least one aesthetic agent in a subsequent container and shaping the melt dispersion thus obtained to obtain solid lozenges. Also disclosed are the melting bodies produced by this method, a detergent or cleaning agent containing them, the use of such a detergent or cleaning agent for cleaning textiles or hard surfaces and corresponding methods for cleaning textiles or hard surfaces using such a washing or cleaning agent.
  • the treated object such as the laundry in particular, often only gives off a faint scent, which then becomes weaker and weaker after a short time.
  • the pleasant feeling of freshness of the treated object disappears after a short time.
  • Fragrances in the form of fragrance pastilles are often used either as an integral part of a washing or cleaning agent, or are metered into the washing drum in a separate form directly at the start of a wash cycle. In this way, the consumer can control the scent of the laundry to be washed through individual dosing.
  • Such scent pastilles are usually made from melt dispersions, the main component of which is a water-soluble or water-dispersible carrier material with a suitable melting point.
  • a suitable melting point e.g., a water-soluble or water-dispersible carrier material with a suitable melting point.
  • solids can also be added to such melt dispersions in order, for example, to influence the viscosity of the dispersion to be processed.
  • the production of the pastilles requires the continuous supply of such a melt dispersion.
  • the melt dispersion is naturally provided at temperatures above room temperature, the absolute temperature of the melt dispersion being determined by the chemical
  • the nature of the carrier material is determined as well as by the further course of the process, for example the use of additional heating or cooling elements provided or not provided in the course of the process.
  • the elevated temperature of the melt dispersion can affect the chemical integrity of the active substances and auxiliaries used and/or the physical integrity of the substance system used, for example its storage stability.
  • this object was achieved by a method which comprises at least three separate, successive method steps, so that an uninterrupted production process is provided.
  • the present invention is directed to a fusible body made by a method as described herein.
  • the present invention also relates to the use of the melting bodies, produced by a process as described herein, as textile care agents, preferably scenting agents and/or fabric softeners, for scenting and/or conditioning textile fabrics.
  • the present invention further relates to a detergent or cleaning agent, comprising a melt body, produced by a method as described herein.
  • Melt bodies designates bodies that are non-porous, meltable, water-soluble or water-dispersible under standard conditions (20° C., 1013 mbar) as solids and can be obtained by solidification and reshaping of the melts described herein.
  • the melting bodies can have any shape.
  • the shaping takes place in particular in step iii) of the method described. Solid, particulate are preferred
  • Shapes such as essentially spherical, figurative, scaly, cuboid, cylindrical, conical, spherical cap or lens, hemispherical, disc or needle-shaped melted bodies.
  • the melted bodies can have a figured configuration resembling a gummy bear. Due to their assembly properties and their performance profile, hemispherical melting bodies are particularly preferred.
  • Preferred melted bodies have a maximum diameter of between 4 and 15 mm, preferably between 5 and 10 mm, in any spatial direction. Particularly preferred melted bodies are characterized by a maximum diameter of 2 to 8 mm, particularly preferably 4 to 6 mm. On the one hand, such melted bodies are particularly readily water-soluble and, on the other hand, have a size that is visually appealing to the consumer.
  • 100% hemispherical (hemispherical) particles are characterized by a height to diameter ratio of 0.5.
  • those melted bodies which have a height-to-diameter ratio of 0.25 to 0.49 are also referred to as hemispherical.
  • Particularly preferred are melted bodies with a height-to-diameter ratio of 0.35 to 0.45.
  • the weight of the individual melted bodies is usually between 2 and 150 mg, preferably between 5 and 10 mg.
  • Water-soluble as used herein means a solubility in water at 20°C of at least 1 g/L, preferably at least 10 g/L, more preferably at least 50 g/L.
  • Water-dispersible as used herein means that the carrier material can be dispersed in water at a temperature of 20°C using known methods.
  • At least one refers to 1 or more, for example 1, 2, 3, 4, 5, 6, 7, 8, 9 or more. In particular, this information relates to the nature of the agent/compound and not to the absolute number of molecules. "At least one fragrance” therefore means that at least one type of fragrance is detected, but it can also contain 2 or more different types of fragrance.
  • the present invention relates to a manufacturing method for melted bodies, such as scented pastilles, in which a melted dispersion is produced in an uninterrupted process sequence and shaped in a final step.
  • the method as described here is characterized in that product changes, i.e. changing the composition of the melt dispersion, for example by using a different fragrance and/or color component, are possible without great effort, and it is also possible to largely avoid the accumulation of salable product quantities.
  • Another advantage of the method as described here is that the temperature-sensitive aesthetics incorporated into the melt dispersion to be produced has a short residence time at elevated temperatures (corresponding to the melting temperature of the respective carrier material) compared to production methods known in the prior art, which lozenges produced by the process as described herein show an improved color effect and/or an improved fragrancing upon their use.
  • a first object of the present invention is therefore a method for the production of melted bodies.
  • the method comprises the steps described below:
  • a perfume-free melt dispersion comprising at least one water-soluble or water-dispersible carrier material and at least one solid is produced in a first container.
  • the water-soluble or water-dispersible molten carrier material used has a melting point of >30°C, preferably >40°C and in particular >50°C.
  • Containers suitable for this purpose are generally known to those skilled in the art. However, a prerequisite for the applicability in a method as described here is that the container enables thorough mixing of the components of the melt dispersion to be produced in step i) and also comprises at least one adjustable opening through which the components of the melt dispersion to be produced in step i) in can be introduced into the container, and additionally at least one further adjustable opening through which the melt dispersion produced in step i) can be discharged from the container. Inlet and/or outlet flow can be volume-controlled via these openings.
  • the first container can be a mixing unit, for example.
  • the components of the melt are heated to a temperature above the melting point of the carrier material, preferably to a temperature above 40°C, more preferably above 50°C.
  • the carrier material can already be supplied in molten form and mixed with the at least one solid in the first container.
  • the transfer of the melt dispersion from the first container to the subsequent container takes place by means of pressure, so that the melt dispersion is pumped/pressed from the first container into the subsequent container. Pumping out the melt in this way offers the advantage that a largely complete, rapid transfer of the melt from one container to the next is ensured, so that as little residual material as possible, which remains as a residue in the respective outlet container, is lost.
  • the transfer of the melt dispersion from the first to the subsequent container or from the subsequent container for reshaping can also take place directly by means of suitable mixing units.
  • the carrier material can be melted in an additional container upstream of the first container.
  • the carrier material is basically melted by heating it to a temperature that is no more than 20° C. above the melting point of the carrier material. This also applies if the carrier material is melted in the first container already described. The melting can be carried out using all customary methods and devices known to those skilled in the art.
  • the carrier material melted in this way can then, in a step i) of the method preceding method step a), as described herein, be transferred to the first container in order to produce the melt dispersion according to step i).
  • the first container additionally comprises at least one adjustable opening which allows the introduction of a carrier material so melted.
  • the method described herein is accordingly characterized in that the carrier material is melted in a step a) preceding step i).
  • the individual flows can optionally be controlled by means of flow rate measurement of the individual metering streams, i.e. the melt, the fragrance stream and, if necessary, other streams will. This can also be used, for example, to set the proportions of the individual components.
  • the method according to the invention is preferably characterized in that the melt dispersion produced in step i) is transferred from the first container directly into the subsequent container.
  • the manufacturing method according to the invention is a sequential process sequence.
  • a process sequence as described herein can be continuous or as Batch processes take place, with a continuous process being preferred.
  • the continuous process management makes it possible to change the amount or chemical nature of the aesthetic agent used during operation, for example to stop the supply of fragrance in step ii) and to switch production to an alternative process product.
  • Due to the late dosing of the esthetic in step ii) its residues only have to be flushed out of one part of the production system (the part of the production system downstream of the dosing point for the esthetic) in the event of such a change by the subsequent melt dispersion.
  • the corresponding forerun which contains an undesired mixture of several esthetics or an incorrect concentration of the desired esthetic, can be discarded or can be recycled as waste material (in step i) or ii).
  • an advantage of the method as described here is that production changes are made possible without great effort. Due to the sequential process flow, the components to be added in the individual process steps, i.e. carrier material, solid, dye, fragrance and any other ingredients, can be exchanged for alternatives as far as possible separately from one another without the entire manufacturing process having to come to a standstill. In addition, the accumulation of large quantities of unsuitable product quantities can be avoided in this way. If, for example, a fragrance and/or colorant is to be changed, the supply of the fragrance and/or colorant is first stopped and the melt dispersion produced in step i) continues to be transferred from the first container to the second container and from there forwarded for forming.
  • the system is, so to speak, “rinsed” with the fragrance-free and/or dye-free melt and residual fragrance and/or dye is removed.
  • the waste obtained in this way can later be fed back into the process when the same fragrance and/or colorant is used again.
  • Another colorant and/or fragrance can then be added, with the forerun being discarded or returned to the process as waste material. Since melt is produced continuously, the fragrance and/or colorant is changed during the ongoing process, so to speak, and the amount of waste is comparatively small.
  • the method described herein is characterized in that waste material obtained after step ii) is returned to step i) or ii), preferably to step i).
  • the melt dispersion produced in step i) is mixed with at least one aesthetic agent outside the first container.
  • Step ii) is preferably carried out either (1) in a container downstream of the first container or (2) directly in the outflow stream emerging from the first container.
  • the melt dispersion is transferred to a subsequent container and in this container with at least mixed with an aesthetic; or (2) the at least one aesthetic is continuously mixed into the effluent stream of the first container
  • the admixing of the esthetic into the outflow stream of the first container can be implemented, for example, by providing the pipeline through which the melt dispersion is discharged from the first container with a supply line for the esthetic.
  • the first and subsequent containers are in communication with each other.
  • the melt dispersion produced in the first container is transferred to the subsequent container via this connection.
  • Downstream or “subsequent” as used in this context means that the container in question is downstream of the first container, i.e. the volume flow from the first container reaches this subsequent container at a later point in time in the process.
  • the volume flow emerging from the first container has previously passed through other, intermediate containers.
  • the container comprises at least one adjustable opening through which the melt dispersion produced in step i) can be introduced into the container, at least one further adjustable opening through which the esthetic (and any other components) can be introduced into the container, and in addition, at least one adjustable opening through which the melt dispersion produced in step ii) can be discharged from the container.
  • This container can also be a suitable mixing unit, such as a static mixer, for example.
  • the mixing can also take place by continuously admixing the at least one aesthetic agent into the outflow stream emerging from the first container, i.e. without the need for a separate container.
  • the opening through which the at least one aesthetic agent is introduced into the melt dispersion can preferably be regulated.
  • Aesthetics designates an active ingredient or auxiliary which is temperature-sensitive at the temperature used to produce the melt dispersion in step i), ie chemically or physically disintegrates at this temperature.
  • Aesthetics refers in particular to an active ingredient or auxiliary whose use in the melting bodies can be perceived by the consumer's senses.
  • the group of aesthetics includes the fragrances and dyes.
  • the fragrance is preferably used in liquid form, for example as a perfume oil, a solution in a suitable solvent or as a suspension of perfume capsules in a typically aqueous solvent.
  • "Liquid” as used in this context means liquid under the conditions of use, preferably liquid at 20°C.
  • the at least one fragrance is a substantially "dry", i.e. substantially anhydrous, component.
  • the method described herein is characterized in that the at least one fragrance is used in the form of fragrance capsules and/or perfume oils.
  • the dye is preferably also used in liquid form, for example in the form of an aqueous solution or slurry.
  • suitable dye preparations can also contain organic solvents, in particular polyols.
  • a third step iii) the melt dispersion obtained in step ii) is reshaped in order to obtain solid melt bodies. For example, via the above-mentioned opening, which enables the melt dispersion produced in step ii) to be discharged from the downstream container, the melt produced is fed to the forming process.
  • the melt obtained after step ii) can be shaped using customary shaping methods. Suitable shaping methods are known to those skilled in the art and involve cooling the melt to a temperature below the melting temperature of the carrier material, so that the melt solidifies and thereby/then acquires its final shape. Examples include pastillation, dripping, melt extrusion, prilling, and others. According to preferred embodiments, the forming in step iii) takes place by means of a cooling belt.
  • the melt dispersion produced in step i) is discharged from the first container by means of a pipeline and fed to the droplet former. It is furthermore preferred that the at least one aesthetic agent is continuously introduced into the outflow stream of the first container by means of a further pipeline from a corresponding storage container.
  • a liquid preparation of the aesthetic agent for example in the form of a solution, is particularly suitable for this.
  • the temperature of the esthetic or the liquid preparation of the esthetic before it is introduced into the outflow stream of the first container is preferably at least 10°C, preferably at least 20°C and in particular at least 30°C below the temperature of the melt dispersion forming the outflow stream.
  • the mixing preferably takes place by means of a static mixer, which is located in the pipeline in the direction of flow of the melt dispersion behind the entry point of the esthetic and before the entry point of the mixture into the droplet former.
  • the length of the static mixer fitted in the pipeline in the direction of flow of the melt dispersion is preferably at least 10 times, preferably at least 20 times and in particular at least 50 times the diameter of the pipeline.
  • the distance between the end of the static mixer and the point of entry of the pipeline into the drop former is less than 500 times, preferably less than 200 times and in particular less than 100 times the diameter of the pipeline.
  • the diameter of the pipeline is its inner diameter without taking the wall thickness into account.
  • the mixture of melt dispersion and aesthetics enters the droplet former with rotating, perforated outer drum from the pipeline.
  • the section of tubing that is inside the drum of the gob former is referred to below as the feed channel to distinguish it from the previous tubing.
  • the feed channel preferably extends over at least 80%, particularly preferably over at least 90% and in particular over 100% of the length of the drum of the gob former.
  • the mixture introduced into the feed channel exits the feed channel, preferably through bores located on the underside of the feed channel, from the feed channel onto a distributor or nozzle bar, which in turn bears against the inside of the rotating, perforated outer drum.
  • the mixture runs through the distributor or nozzle bar and is then discharged from the holes in the rotating outer drum onto a steel belt below these holes.
  • the distance between the outside of the rotating, perforated outer drum and the surface of the steel strip is preferably between 5 and 20 mm.
  • a further mixer can be arranged in the feed channel.
  • This is preferably a dynamic mixer, for example a spiral arranged rotatably within the feed channel.
  • the residence time of the mixture of melt dispersion and aesthetics in the pipeline until it exits the rotating, perforated outer drum of the drop former is preferably less than 20 seconds, particularly preferably less than 10 seconds and in particular between 0.5 and 5 seconds.
  • the viscosity (Texas Instruments AR-G2 rheometer; plate/plate, 4 cm diameter, 1100 ⁇ m gap; shear rate 10/1 sec) of the mixture when it emerges from the rotating, perforated external drum is preferably between 1000 and 10000 mPas.
  • the droplets of the mixture discharged from the droplet former are solidified on the steel belt to form solid melted bodies.
  • the time between the dropping of the mixture onto the steel strip and the complete solidification of the mixture is preferably between 5 and 60 seconds, particularly preferably between 10 and 50 seconds and in particular between 20 and 40 seconds.
  • the solidification of the mixture is preferably supported and accelerated by cooling.
  • the droplets applied to the steel strip can be cooled directly or indirectly. Cooling by means of cold air, for example, can be used as direct cooling. However, indirect cooling of the droplets by cooling the underside of the steel strip with cold water is preferred.
  • the carrier material suitable for use in a method as described herein can be any carrier material commonly used in the art for the purpose of preparing fragrant pastilles.
  • the at least one carrier material can be a water-soluble or water-dispersible carrier polymer which has the stated melting temperature of >30°C, in particular >40 °C.
  • the method described herein is characterized in that the at least one carrier material is selected from water-soluble or water-dispersible carrier polymers with a melting point >30°C to 250°C, preferably >40°C to 150°C, preferably selected from polyalkylene glycols , particularly preferably polyethylene glycol.
  • the at least one carrier polymer is characterized in that it has a melting point of from 48°C to 120°C, preferably from 48°C to 80°C.
  • “Water-soluble” and “water-dispersible” have the meanings given above.
  • the at least one carrier polymer is selected from polyalkylene glycols.
  • those polyalkylene glycols are suitable that have an average molecular weight (M n ) of >1000 g/mol, in particular >1500 g/mol, preferably an average molecular weight between 3,000 and 15,000, more preferably an average molecular weight between 4,000 and 13,000 , more preferably have an average molecular weight between 4000 and 6000, 6000 and 8000 or 9000 and 12000 and particularly preferably of about 4000 or about 6000 g / mol.
  • M n average molecular weight
  • those polyalkyl glycols are particularly suitable which have a melting point between 40.degree. C. and 90.degree. C., in particular in the range from 45 to 70.degree.
  • Examples of polyalkylene glycols useful in the context of the present invention are polypropylene glycol and polyethylene glycol.
  • the at least one carrier polymer is preferably polyethylene glycol.
  • the at least one carrier polymer is a polyethylene glycol with an average molecular weight (M n ) of >1500 g/mol, preferably an average molecular weight between 3,000 and 15,000, more preferably with an average molecular weight between 4,000 and 13,000 preferably have an average molecular weight between 4000 and 6000, 6000 and 8000 or 9000 and 12000 and particularly preferably of about 4000 or about 6000 g/mol.
  • a such polyethylene glycol is characterized by a melting point in the range of 45 to 70°C, preferably 50 to 65°C, more preferably 50 to 60°C.
  • “About” or “about” as used herein in connection with a numerical value means the numerical value ⁇ 10%, preferably ⁇ 5%.
  • a molecular weight of about 6000 g/mol thus means 5400-6600 g/mol, preferably 5700-6300 g/mol.
  • the at least one carrier polymer is used in an amount such that the resulting melted body, i.e. the fragrance pastille, contains from 30 to 95% by weight, preferably from 35 to 85% by weight, for example 40 to 80 or 40 to 78% by weight. -%, based on the total weight of the melt body, of the carrier polymer.
  • specific salts can also be used as carrier materials.
  • These specific salts are, in particular, water-containing salts whose water vapor partial pressure at a specific temperature in the range from 30 to 100° C. corresponds to the H 2 O partial pressure of the saturated solution of this salt.
  • the melted body is produced from a solution of the carrier material in the water/crystal water contained in the composition, the term "melt" being used here for such a solution, in contrast to the established usage to describe the state in which the carrier material dissolves in its own water of crystallization due to the elimination of water and thus forms a liquid.
  • the term "melt”, as used herein, thus designates the liquid state of the composition, which occurs when the temperature is exceeded at which the carrier material splits off water of crystallization and then dissolves in the water contained in the composition.
  • the corresponding dispersion which contains the (solid) substances described herein dispersed in the melt of the carrier material, is therefore also a subject of the invention. So when reference is made below to the solid, particulate composition, the corresponding melt/melt dispersion from which it can be obtained is always included. Since these do not differ in composition, with the exception of the physical state, the terms are used synonymously here.
  • a preferred carrier material is characterized in that it is selected from water-containing salts whose water vapor partial pressure at a temperature in the range from 30 to 100° C. corresponds to the H 2 O partial pressure of the saturated solution of this salt at the same temperature.
  • the corresponding water-containing salt also referred to herein as "hydrate” dissolves in its own water of crystallization when this temperature is reached or exceeded and thereby changes from a solid to a liquid state of aggregation.
  • the carrier materials according to the invention preferably show this behavior in a Temperature in the range 40 to 90°C, more preferably between 50 and 85°C, even more preferably between 55 and 80°C.
  • the water-soluble carrier materials from the group of water-containing salts described above include, in particular, sodium acetate trihydrate (Na(CH 3 COO) 3H 2 O), Glauber's salt (Na 2 SO 4 10H 2 O) and trisodium phosphate dodecahydrate (Na 3 PO 4 x 12H2O ).
  • a particularly suitable hydrate is sodium acetate trihydrate (Na(CH 3 COO).3H 2 O), since it dissolves in its own water of crystallization in the particularly preferred temperature range of 55 to 80° C., specifically at about 58° C.
  • the sodium acetate trihydrate can be used directly as such, but alternatively the use of anhydrous sodium acetate in combination with free water is also possible, the trihydrate then being formed in situ .
  • the water is used in less than or more than the stoichiometric amount based on the amount necessary to convert all of the sodium acetate to sodium acetate trihydrate, preferably in an amount of at least 60% by weight, preferably at least 70% by weight %, more preferably at least 80%, most preferably 90%, 100% or more by weight of the amount theoretically required to convert all the sodium acetate to sodium acetate trihydrate (Na(CH 3 COO) ⁇ 3H 2 O).
  • the more than stoichiometric use of water is particularly preferred.
  • the at least one carrier material is from the group of water-containing salts whose water vapor partial pressure at a temperature in the range from 30 to 100° C. is the H 2 O partial pressure of the saturated solution of this salt at the same temperature corresponds, used in an amount that the resulting melted body contains from 30 to 95% by weight, preferably from 40 to 90% by weight, for example 45 to 90% by weight, based on the total weight of the melted body, of the carrier material .
  • the two most preferred carrier materials are polyethylene glycol and sodium acetate.
  • the melt dispersion to be produced in step i) comprises at least one solid, for example a filler, in addition to the at least one carrier material.
  • at least one screening device is installed upstream of the first container for this purpose, through which the at least one solid passes before it enters the first container is introduced.
  • the method described herein is therefore characterized in that the at least one Solid in a step i) upstream step b) passes through at least one screening device.
  • the method described herein is characterized in that the at least one solid is selected from the group consisting of polysaccharides, such as starch, in particular corn starch, silicic acids, such as pyrogenic silicic acid, silicates, in particular alkali silicates, sulfates, in particular alkali metal sulfates such as sodium sulfate , phosphates, especially alkali metal phosphates, such as pentasodium or pentapotassium triphosphate, halides and carbonates, especially alkali metal carbonates, such as sodium carbonate.
  • polysaccharides such as starch, in particular corn starch
  • silicic acids such as pyrogenic silicic acid
  • silicates in particular alkali silicates
  • sulfates in particular alkali metal sulfates such as sodium sulfate
  • phosphates especially alkali metal phosphates, such as pentasodium or pentapotassium triphosphat
  • the at least one solid can be used in an amount of 0.01 to 30% by weight, preferably 1 to 20% by weight, based on the total weight of the melted bodies.
  • the at least one solid has a melting temperature that is above the melting temperature of the carrier material and the temperature prevailing in the method described, in order to provide a melt dispersion in this way.
  • a further advantage of the method as described herein is that the aesthetics used have a comparatively short residence time at elevated temperatures, i.e. temperatures corresponding to the melting temperature of the respective carrier material. Because the fragrance and color component is temperature sensitive, a short residence time at elevated temperatures can improve the fragrance and color quality of said component, resulting in a superior end product. According to the present method, this advantage is ensured in that the fragrance and/or color component only comes into contact with the melted material immediately before the forming process.
  • the method described herein is further characterized in that the subsequent container or the line in which the melt dispersion produced in step i) is mixed with the at least one aesthetic agent (and optionally other components), a has a comparatively small capacity.
  • the subsequent container used in step ii), as described herein has a comparatively small capacity if its capacity is at most 1500 l, preferably at most 1300 l, in particular at most 1000 l, most preferably at most 200 l.
  • the method described herein is characterized in that the container from step ii) is a static or dynamic mixer with a capacity of ⁇ 200 l or a stirred tank with a capacity of ⁇ 1200 l.
  • a further component of the melting bodies produced as described herein is at least one esthetic.
  • Preferred esthetics are the fragrances and colorants.
  • a fragrance is a chemical substance that stimulates the sense of smell.
  • the chemical substance should be at least partially airborne, i.e. the fragrance should be at least slightly volatile at 25°C. If the fragrance is now very volatile, the odor intensity then quickly fades away. With a lower volatility, however, the odor impression is more lasting, i.e. it does not disappear as quickly.
  • the fragrance therefore has a melting point in the range from -100°C to 100°C, preferably from -80°C to 80°C, more preferably from -20°C to 50°C, in particular from - 30°C to 20°C.
  • the fragrance has a boiling point which is in the range from 25° C. to 400° C., preferably from 50° C. to 380° C., more preferably from 75° C. to 350° C., in particular from 100° C. to 330°C.
  • the fragrance has a molecular mass of 40 to 700 g/mol, more preferably 60 to 400 g/mol.
  • fragrance The smell of a fragrance is perceived as pleasant by most people and often corresponds to the smell of, for example, blossoms, fruits, spices, bark, resin, leaves, grass, moss and roots. Fragrances can also be used to mask unpleasant odors or to provide a non-smelling substance with a desired smell.
  • Individual fragrance compounds for example synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type, can be used as fragrances.
  • Perfume compounds of the aldehyde type are, for example, adoxal (2,6,10-trimethyl-9-undecenal), anisaldehyde (4-methoxybenzaldehyde), cymal (3-(4-isopropyl-phenyl)-2-methylpropanal), ethylvanillin, florhydral ( 3-(3-isopropylphenyl)butanal), Helional (3-(3,4-methylenedioxyphenyl)-2-methylpropanal), Heliotropin, Hydroxycitronellal, Lauraldehyde, Lyral (3- and 4-(4-Hydroxy-4-methylpentyl)- 3-cyclohexene-1-carboxaldehyde), methyl nonylacetaldehyde, Lilial (3-(4-tert-butylphenyl)-2-methylpropanal), phenylacetaldehyde, undecylene aldehyde, vanillin
  • Perfume compounds of the ketone type are, for example, methyl beta-naphthyl ketone, musk indanone (1,2,3,5,6,7-hexahydro-1,1,2,3,3-pentamethyl-4H-inden-4-one), Tonalide (6-acetyl-1,1,2,4,4,7-hexamethyltetralin), alpha-damascone, beta-damascone, delta-damascone, iso-damascone, damascenone, methyldihydrojasmonate, menthone, carvone, camphor, koavone (3rd ,4,5,6,6-pentamethylhept-3-en-2-one), fenchone, alpha-ionone, beta-ionone, gamma-methyl-ionone, fleuramon (2-heptylcyclopentanone), dihydrojasmone, cis-jasmone , iso-
  • Perfume compounds of the alcohol type are, for example, 10-undecen-1-ol, 2,6-dimethylheptan-2-ol, 2-methylbutanol, 2-methylpentanol, 2-phenoxyethanol, 2-phenylpropanol, 2-tert-butylcyclohexanol, 3,5,5-trimethylcyclohexanol, 3-hexanol, 3-methyl-5-phenylpentanol, 3-octanol, 3-phenylpropanol, 4-heptenol, 4-isopropylcyclohexanol, 4-tert-butylcyclohexanol, 6 ,8-dimethyl-2-nona-nol, 6-nonen-1-ol, 9-decen-1-ol, ⁇ -methylbenzyl alcohol, ⁇ -terpineol, amyl salicylate, benzyl alcohol, benzyl salicylate, ⁇ -terpineol,
  • Perfume compounds of the ester type are, for example, benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate (DMBCA), phenylethyl acetate, benzyl acetate, ethylmethylphenylglycinate, allylcyclohexylpropionate, styrallylpropionate, benzyl salicylate, cyclohexyl salicylate, floramat, melusate and jasmacyclate.
  • DMBCA dimethylbenzylcarbinyl acetate
  • benzyl acetate ethylmethylphenylglycinate
  • allylcyclohexylpropionate styrallylpropionate
  • benzyl salicylate cyclohexyl salicylate,
  • the ethers include, for example, benzyl ethyl ether and ambroxan.
  • the hydrocarbons mainly include terpenes such as limonene and pinene.
  • fragrance oils are preferably used, which together produce an appealing fragrance.
  • Such a mixture of fragrances can also be referred to as a perfume or perfume oil.
  • Perfume oils of this kind can also contain natural mixtures of fragrances, such as are obtainable from vegetable sources.
  • Fragrances of plant origin include essential oils such as angelica root oil, anise oil, arnica flower oil, basil oil, bay oil, champaca flower oil, citrus oil, fir oil, fir cone oil, elemi oil, eucalyptus oil, fennel oil, pine needle oil, galbanum oil, geranium oil, ginger grass oil, guaiac wood oil, gurjun balm oil, helichrysum oil, ho oil , ginger oil, iris oil, jasmine oil, cajeput oil, sweet flag oil, chamomile oil, camphor oil, kanaga oil, cardamom oil, cassia oil, pine needle oil, copaiva balsam oil, coriander oil, spearmint oil, caraway oil, cumin oil, labdanum oil, lavender oil, lemongrass oil, linden blossom oil, lime oil, tangerine oil, lemon balm oil, mint oil, musk seed oil , Clary Oil, Myrrh Oil, Clove Oil, Neroli
  • the fragrance is used as a fragrance precursor or in encapsulated form (fragrance capsules), in particular in microcapsules.
  • the microcapsules can be water-soluble and/or water-insoluble microcapsules.
  • melamine-urea-formaldehyde microcapsules, melamine-formaldehyde microcapsules, urea-formaldehyde microcapsules or starch microcapsules can be used.
  • Pro-fragrance refers to compounds that only release the actual fragrance after chemical conversion/cleavage, typically upon exposure to light or other environmental conditions such as pH, temperature, etc. Such compounds are often also referred to as fragrance storage substances or “pro-fragrance”.
  • the amount of fragrance in the melt body composition prepared as described herein is preferably between 1 to 20% by weight, preferably 1 to 15% by weight, in particular from 3 to 10% by weight, based on the total weight of the melt body composition.
  • a cast composition produced according to the invention contains at least one colorant in order to improve the aesthetic appearance of the cast composition.
  • Preferred dyes the selection of which presents no difficulty to the person skilled in the art, should have a high storage stability and be insensitive to the other ingredients of the detergent or cleaning agent and to light and not have any pronounced substantivity to textile fibers so as not to stain them.
  • the dye is a customary dye that can be used for different detergents or cleaning agents.
  • the dye is selected from Acid Red 18 (CI 16255), Acid Red 26, Acid Red 27, Acid Red 33, Acid Red 51, Acid Red 87, Acid Red 88, Acid Red 92, Acid Red 95, Acid Red 249 ( CI 18134), Acid Red 52 (CI 45100), Acid Violet 126, Acid Violet 48, Acid Violet 54, Acid Yellow 1, Acid Yellow 3 (CI 47005), Acid Yellow 11, Acid Yellow 23 (CI 19140), Acid Yellow 3, Direct Blue 199 (CI 74190), Direct Yellow 28 (CI 19555), Food Blue 2 (CI 42090), Food Blue 5:2 (CI 42051:2), Food Red 7(01 16255), Food Yellow 13 ( CI 47005), Food Yellow 3 (CI 15985), Food Yellow 4 (CI 19140), Reactive Green 12, Solvent Green 7 (CI 59040).
  • Particularly preferred dyes are water-soluble acid dyes, for example Food Yellow 13 (Acid Yellow 3, CI 47005), Food Yellow 4 (Acid Yellow 23, CI 19140), Food Red 7 (Acid Red 18, CI 16255), Food Blue 2 (Acid Blue 9, CI 42090), Food Blue 5 (Acid Blue 3, CI 42051), Acid Red 249 (CI 18134), Acid Red 52 (CI 45100), Acid Violet 126, Acid Violet 48, Acid Blue 80(01 61585), Acid Blue 182, Acid Blue 182, Acid Green 25 (CI 61570), Acid Green 81.
  • Water-soluble direct dyes for example Direct Yellow 28 (CI 19555), Direct Blue 199 (CI 74190) and water-soluble reactive dyes, for example Reactive Green 12, and the dyes Food Yellow 3 (CI 15985), Acid Yellow 184 are also preferably used.
  • Aqueous dispersions of the following pigment dyes are also preferably used, Pigment Black 7 (CI 77266), Pigment Blue 15 (CI 74160), Pigment Blue 15:1 (CI 74160), Pigment Blue 15:3 (CI 74160), Pigment Green 7 (CI 74260), Pigment Orange 5, Pigment Red 112 (CI 12370), Pigment Red 112 (CI 12370), Pigment Red 122 (CI 73915), Pigment Red 179 (CI 71130), Pigment Red 184 (CI 12487), Pigment Red 188 (CI 12467), Pigment Red 4 (CI 12085), Pigment Red 5 (CI 12490), Pigment Red 9, Pigment Violet 23 (CI 51319), Pigment Yellow 1 (CI 28 11680), Pigment Yellow 13 (CI 21100 ), Pigment Yellow 154, Pigment Yellow 3 (CI 11710), Pigment Yellow 74, Pigment Yellow 83 (CI 21108), Pigment Yellow 97.
  • Pigment Black 7 CI 77266
  • Pigment Blue 15 CI 74160
  • the following pigment dyes are used in the form of dispersions: Pigment Yellow 1 (CI 11680), Pigment Yellow 3 (CI 11710), Pigment Red 112 (CI 12370), Pigment Red 5 (CI 12490), Pigment Red 181 (CI 73360), Pigment Violet 23 (CI 51319), Pigment Blue 15:1 (CI 74160), pig Menment Green 7 (CI 74260), Pigment Black 7 (CI 77266).
  • water-soluble polymer dyes for example Liquitint, Liquitint Blue HP, Liquitint Blue MC, Liquitint Blue 65, Liquitint Cyan 15, Liquitint Patent Blue, Liquitint Violet 129, Liquitint Royal Blue, Liquitint Experimental Yellow 8949-43, Liquitint Green HMC, Liquitint Yellow LP, Liquitint Yellow II and mixtures thereof are used.
  • water-soluble dyes are particularly preferred, water-soluble polymer dyes being very particularly preferred.
  • the group of very particularly preferred dyes includes Acid Blue 3, Acid Yellow 23, Acid Red 33, Acid Violet 126, Liquitint Yellow LP, Liquitint Cyan 15, Liquitint Blue HP and Liquitint Blue MC.
  • the proportion by weight of the dye in the fuser composition is preferably 0.001 to 0.5% by weight, preferably 0.002 to 0.2% by weight.
  • Both the melt dispersion to be produced in step i) and in step ii) can comprise further ingredients in addition to the components already mentioned.
  • Suitable additional ingredients can be selected, for example and without limitation, from the group consisting of fillers, pearlescent agents, skin care compounds, fabric care compounds and bitterns.
  • the method described herein is characterized in that the textile-care compound is selected from textile-softening compounds, silicone oils, antiredeposition agents, optical brighteners, graying inhibitors, shrinkage inhibitors, anti-crease agents, dye transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, Antistatic agents, ironing aids, repellants and impregnating agents, swelling and non-slip agents, UV absorbers and mixtures thereof.
  • the textile-care compound is selected from textile-softening compounds, silicone oils, antiredeposition agents, optical brighteners, graying inhibitors, shrinkage inhibitors, anti-crease agents, dye transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, Antistatic agents, ironing aids, repellants and impregnating agents, swelling and non-slip agents, UV absorbers and mixtures thereof.
  • the method described herein is characterized in that the fabric conditioning compound is a fabric softening compound, preferably selected from polysiloxanes, fabric softening clays, cationic polymers and mixtures thereof.
  • the fuser composition prepared as described herein may further comprise at least one fabric conditioning compound.
  • a textile-care compound is understood in this context to mean any compound that gives treated textile fabrics an advantageous effect, such as a fabric-softening effect, crease resistance or the harmful or negative effects that occur during cleaning and/or Conditioning and/or wear such as fading, graying, etc. are reduced.
  • the textile-care compound can preferably consist of textile-softening compounds, bleaches, bleach activators, enzymes, silicone oils, antiredeposition agents, optical brighteners, graying inhibitors, shrinkage inhibitors, anti-crease agents, dye transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, antistatic agents, ironing aids, phobic and Impregnating agents, swelling and non-slip agents, UV absorbers and mixtures thereof can be selected.
  • the fabric conditioning compound is a fabric softening compound. It is very particularly preferred that the fabric softening compound is selected from polysiloxanes, fabric softening clays, cationic polymers and mixtures thereof.
  • polysiloxanes and/or cationic polymers as a textile-care compound in the hot-melt composition is advantageous, since these not only have a softening effect, but also enhance the perfume impression on the laundry.
  • softening clays as a textile-care compound in the hot-melt composition is advantageous since they also have a water-softening effect and can thus, for example, prevent limescale deposits on the laundry.
  • a hot melt composition contains a combination of at least two fabric conditioning compounds.
  • the hot-melt composition produced according to the invention contains such textile care compounds, it is used in particular as a textile care agent or fabric softener or as a component of such an agent or as a component of a detergent.
  • Such a fabric softener can be used in the main wash cycle of an automatic washing or cleaning process.
  • the melted body composition can, for example, be added to the drum or the dispensing compartment of a washing machine together with the detergent or cleaning agent. This has the advantage that no additional rinse cycle is necessary and no unsightly deposits in the dispenser compartment
  • a solid melt composition prepared as described herein can be used in the wash cycle of a laundry cleaning process and thus the fabric care compound and perfume can be applied to the laundry right at the start of the laundry process transported in order to be able to develop their full potential. Furthermore, this solid melted body composition is easier and better to handle than liquid compositions, since no drops remain on the edge of the bottle, which lead to edges on the substrate or unsightly deposits in the area of the closure during subsequent storage of the bottle. The same applies in the event that some of the melt body composition is accidentally spilled during dosing. The spilled composition can also be cleaned up more easily and cleanly.
  • Polydimethylpolysiloxanes are known to be efficient fabric care compounds.
  • Suitable polydimethylsiloxanes include DC-200 (ex Dow Corning), Baysilone ® M 50, Baysilone ® M 100, Baysilone ® M 350, Baysilone ® M 500, Baysilone ® M 1000, Baysilone ® M 1500, Baysilone ® M 2000 or Baysilone ® M 5000 (all ex GE Bayer Silicones).
  • the polysiloxane contains the structural units a) and b).
  • a particularly preferred polysiloxane has the following structure: (CH 3 ) 3 Si-[O-Si(CH 3 ) 2 ] n -[O-Si(CH 3 ) ⁇ (CH 2 ) 3 -NH-(CH 2 ) 2 -NH 2 ⁇ ] x -OSi( CH3 ) 3 where the sum n + x is a number between 2 and 10,000.
  • Suitable polysiloxanes with the structural units a) and b) are commercially available, for example, under the brand names DC2-8663, DC2-8035, DC2-8203, DC05-7022 or DC2-8566 (all ex Dow Corning).
  • suitable according to the invention are, for example, the commercially available products Dow Corning® 7224 , Dow Corning® 929 Cationic Emulsion or Formasil 410 (GE Silicones).
  • a suitable fabric softening clay is, for example, a smectite clay.
  • Preferred smectite clays are beidellite clays, hectorite clays, laponite clays, montmorillonite clays, nontronite clays, saponite clays, sauconite clays, and mixtures thereof.
  • Montmorillonite clays are the preferred softening clays.
  • Bentonites mainly contain montmorillonites and can serve as a preferred source for the fabric softening clay. The bentonites can be used as powder or crystals.
  • Suitable bentonites are marketed, for example, under the names Laundrosil® by Süd-Chemie or under the name Detercal by Laviosa. It is preferred that the fabric care composition contains a powdered bentonite as a fabric care compound.
  • the melt body composition may contain a fabric softening compound and one or more other fabric conditioning compound(s).
  • the amount of fabric conditioning compound in the hot melt composition can, in various embodiments, be 0.1 to 15% by weight and preferably between 0.5 and 12% by weight.
  • a textile-care compound is bentonite.
  • the melt body composition may optionally contain other ingredients.
  • it can contain additional ingredients, preferably selected from the group consisting of pearlescent agents, skin care compounds, bitter substances and mixtures thereof.
  • the hot melt composition may contain a pearlescent agent to increase gloss.
  • suitable pearlescent agents are ethylene glycol mono- and distearate and PEG-3 distearate.
  • the fuser composition may comprise a skin benefit compound.
  • a skin-care compound is understood to mean a compound or a mixture of compounds which, when a textile comes into contact with the detergent, is absorbed by the textile and, when the textile comes into contact with the skin, gives the skin an advantage compared to a textile which is not treated with the inventive melt-body composition was treated.
  • This benefit can include, for example, transfer of the skin benefit compound from the fabric to the skin, less water transfer from the skin to the fabric, or less friction on the skin surface by the fabric.
  • the amount of skin benefit compound is preferably between 0.01 and 10% by weight, preferably between 0.1 and 5% by weight and most preferably between 0.3 and 3% by weight, based on the solid melt composition . It may be that the skin care compound also has a fabric care effect.
  • composition of some preferred compositions produced by means of the process described above can be found in the following tables (data in % by weight based on the total weight of the agent, unless otherwise stated).
  • the melting body contains no other compounds in significant amounts (ie in amounts >1% by weight based on the total weight of the melting body) in addition to the carrier material, the at least one solid, the at least one aesthetic agent.
  • Another object is a perfume and dye containing melt body made by a process as described herein.
  • a particular advantage of such a melted body is the improved scent or color quality, which is ensured by a comparatively short dwell time of the scent or color component at elevated temperatures, i.e. temperatures corresponding to the melting temperature of the respective carrier material.
  • the main component of the melted bodies produced as described herein is at least one water-soluble or water-dispersible carrier material, as already described above.
  • the Aesthetics-containing fused bodies produced according to a method as described herein are fused bodies which are solid at room temperature and temperatures up to 30°C, preferably up to 40°C.
  • melt bodies produced as described herein as textile care agents, preferably scenting agents and/or fabric softeners, for scenting and/or conditioning textile fabrics.
  • the melted bodies can be a textile treatment agent, such as a fabric softener, or part of such an agent.
  • a washing or cleaning agent comprising the melting bodies according to the invention.
  • the consumer By introducing the melted bodies produced according to the invention into a detergent or cleaning agent, the consumer has a textile-care detergent or cleaning agent (“2in1” detergent or cleaning agent) available and he does not need to dose two agents or a separate rinse cycle. Since the melting bodies produced according to the invention contain perfume, the washing or cleaning agent does not have to be perfumed as well. Not only does this result in lower costs, but it is also beneficial for consumers with sensitive skin and/or allergies.
  • a textile-care detergent or cleaning agent (“2in1” detergent or cleaning agent) available and he does not need to dose two agents or a separate rinse cycle. Since the melting bodies produced according to the invention contain perfume, the washing or cleaning agent does not have to be perfumed as well. Not only does this result in lower costs, but it is also beneficial for consumers with sensitive skin and/or allergies.
  • the melted bodies described herein are particularly suitable for conditioning textile fabrics and are brought into contact with the textile fabrics together with a conventional detergent or cleaning agent in the (main) wash cycle of a conventional washing and cleaning process.
  • a solid detergent or cleaning agent can preferably contain 1 to 20% by weight, in particular mixed with 5 to 15% by weight of the melt body composition according to the invention.

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  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Fats And Perfumes (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)

Claims (10)

  1. Procédé de fabrication de corps fusibles parfumés, comprenant les étapes suivantes :
    i) fabrication d'une dispersion fondue comprenant au moins une matière de support fondue hydrosoluble ou hydrodispersable possédant une température de fusion > 30 °C en tant que phase continue et au moins un solide en tant que phase dispersée dans un premier récipient ;
    ii) mélange de la dispersion fondue de l'étape i) avec au moins une substance esthétique, choisie dans le groupe comprenant les substances odorantes et colorantes, à l'extérieur du premier récipient ; et
    iii) déformation du mélange obtenu à l'étape ii) afin d'obtenir des corps fusibles solides.
  2. Procédé selon la revendication 1, comprenant les étapes suivantes :
    i) fabrication d'une dispersion fondue comprenant au moins une matière de support fondue hydrosoluble ou hydrodispersable possédant une température de fusion > 30 °C en tant que phase continue et au moins un solide en tant que phase dispersée dans un premier récipient ;
    ii) mélange de la dispersion fondue de l'étape i) avec au moins une substance esthétique, choisie dans le groupe comprenant les substances odorantes et colorantes, l'au moins une substance esthétique étant mélangée en continu dans le flux de sortie du premier récipient ;
    iii) application de gouttes du mélange résultant sur une bande en acier au moyen d'un formeur de gouttes avec un tambour extérieur perforé rotatif ;
    iv) solidification des gouttes du mélange sur la bande en acier en corps fusibles solides.
  3. Procédé selon l'une des revendications précédentes, dans lequel le matériau de support est fondu dans une étape a) précédant l'étape i).
  4. Procédé selon l'une des revendications précédentes, dans lequel l'au moins un solide traverse au moins un dispositif de tamisage dans une étape b) précédant l'étape i).
  5. Procédé selon l'une des revendications précédentes, dans lequel du polyéthylène glycol est utilisé comme matériau de support en une quantité telle que le corps fusible résultant présente une fraction pondérale du polymère de support de 30 à 95 % en poids, de préférence de 35 à 85 % en poids et en particulier de 40 à 78 % en poids.
  6. Procédé selon l'une des revendications 1 à 4, dans lequel de l'acétate de sodium trihydraté est utilisé comme matériau de support en une quantité telle que le corps fusible résultant présente une fraction pondérale de l'acétate de sodium trihydraté de 30 à 95 % en poids, de préférence 40 à 90 % en poids et en particulier de 45 à 90 % en poids.
  7. Procédé selon l'une des revendications précédentes, dans lequel l'au moins un solide est choisi dans le groupe constitué par les polysaccharides, les silices, les silicates, les sulfates, les phosphates, les halogénures et les carbonates.
  8. Procédé selon l'une des revendications précédentes, dans lequel la substance odorante est utilisée sous forme de capsules odorantes et/ou d'huiles parfumées en une quantité telle que le corps fusible résultant présente une fraction pondérale de la substance odorante de 1 à 20 % en poids, de préférence de 1 à 15 % en poids et en particulier de 3 à 10 % en poids.
  9. Procédé selon l'une des revendications précédentes, dans lequel le colorant est utilisé en une quantité telle que le corps fusible résultant présente une fraction pondérale du colorant de 0,001 à 0,5 % en poids, de préférence de 0,002 à 0,2 % en poids.
  10. Procédé selon l'une des revendications précédentes, dans lequel les déchets obtenus après l'étape ii) sont recyclés à l'étape i) ou ii), de préférence à l'étape i).
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DE102018211830A1 (de) 2018-07-17 2020-01-23 Henkel Ag & Co. Kgaa Feste parfümhaltige Zusammensetzung
EP3722402A1 (fr) * 2019-04-12 2020-10-14 Henkel AG & Co. KGaA Composition solide contenant du parfum
EP3901238A1 (fr) * 2020-04-21 2021-10-27 The Procter & Gamble Company Additif de parfum particulaire pour la blanchisserie

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