EP3983510A1 - Additif granulaire pour produit lavant, produit nettoyant ou produit de traitement - Google Patents

Additif granulaire pour produit lavant, produit nettoyant ou produit de traitement

Info

Publication number
EP3983510A1
EP3983510A1 EP20732848.5A EP20732848A EP3983510A1 EP 3983510 A1 EP3983510 A1 EP 3983510A1 EP 20732848 A EP20732848 A EP 20732848A EP 3983510 A1 EP3983510 A1 EP 3983510A1
Authority
EP
European Patent Office
Prior art keywords
weight
oil
agent
cleaning
treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20732848.5A
Other languages
German (de)
English (en)
Inventor
Andreas Bauer
Stefan Urlichs
Erik STRAUB
Marc Weyhe
Andreas Gerigk
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 EP3983510A1 publication Critical patent/EP3983510A1/fr
Pending legal-status Critical Current

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
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0017—Multi-phase liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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

  • Granular detergent, cleaning or treatment additive Granular detergent, cleaning or treatment additive
  • the present invention relates to a granular detergent, cleaning or treatment agent additive comprising a carrier material, a perfume oil, and a beneficial agent encapsulated in microcapsules. Furthermore, the present invention is directed to a method for producing such an additive, to agents comprising such an additive, the use of such agents for treating surfaces and / or in textile washing and / or in textile care, and methods for their use.
  • the common detergents and cleaning agents as well as cosmetic products are usually perfumed.
  • encapsulated perfuming is also increasingly being used. Consumers want the product to be adequately scented as well as covering up “bad” side odors. Long-lasting and fresh perfumes are also desired. Such properties can be achieved in an advantageous manner through the use of encapsulated fragrances.
  • the object of the present invention was therefore to provide a stable combination of perfume oils and encapsulated perfumes (capsule slurries) in order to implement simple and efficient dosing of the components described.
  • the present invention is therefore directed to a granular detergent, cleaning or treatment additive comprising a) at least one particulate carrier material with an oil absorption capacity of approximately 50 to 400 ml / 100 g and / or a specific surface area of 30 to 400 m 2 / g;
  • Microcapsules comprising a core and a shell, the core containing at least one beneficial agent.
  • the present invention is directed to a method for producing a granular detergent, cleaning or treatment agent additive, as described herein, characterized in that it comprises the following steps:
  • the present invention is directed to an agent comprising at least one granular detergent, cleaning agent or treatment agent additive, as described herein, the agent being a washing agent, cleaning agent or treatment agent.
  • the present invention is directed to the use of an agent described herein for treating surfaces and / or in textile washing and / or in textile care.
  • the present invention is finally also directed to a method for treating a surface or for washing and / or caring for textiles, characterized in that an agent as described herein is used in at least one method step
  • At least one refers to 1 or more, for example 1, 2, 3, 4, 5, 6, 7, 8, 9 or more.
  • “About” as used herein in relation to numerical values means the corresponding value ⁇ 10%, preferably ⁇ 5%, more preferably ⁇ 3%.
  • the odor stability of a particular conventional perfume used in the end product ie for example in a powdered detergent
  • a stable and free-flowing additive according to the invention comprising a carrier material, a perfume oil and an encapsulated beneficial agent, for example one encapsulated in microcapsules Perfume oil, in comparison to conventionally dosed perfumes in the same end product, can be increased significantly, while at the same time the cost-effectiveness of the dosing of the two beneficial agent components is increased.
  • a first object of the present invention is a granular detergent, cleaning or treatment additive comprising a) at least one particulate carrier material with an oil absorption capacity of approximately 50 to 400 ml / 100 g and / or a specific surface area of 30 to 400 m 2 / g ; b) at least one perfume oil; and c) microcapsules comprising a core and a shell, the core containing at least one beneficial agent.
  • the at least one perfume oil b) used in the products described herein is not encapsulated in the microcapsules c) and is therefore different from the beneficial agent encapsulated in the microcapsules, even if it can also be a perfume oil.
  • the perfume oil optionally encapsulated in the microcapsules can be the same as or different from the non-encapsulated perfume oil. Unless explicitly stated otherwise, information on the perfume oil always relates to the perfume oil b).
  • Suitable carrier materials in the context of the present invention are materials which have very good absorption properties.
  • the oil absorption capacity which can be determined in accordance with the ISO CD19246: 2016 standard, is used as a measure of the absorption properties of the materials.
  • the corresponding DOA absorption value is determined by means of an absorptometer, which is equipped with a torque measurement and processing system.
  • the DOA absorption value provides a guideline value for the hollow volume, which is formed by aggregates and agglomerates of the particles.
  • Suitable carrier materials have an oil absorption capacity of about 50 to 400 ml / 100 g, preferably from at least 100 to about 350 ml / 100 g, more preferably from at least 150 to about 300 ml / 100 g, for example 150 to 300 ml / 100 g, for example 150 , 160, 170, 180, 190, 200, 205, 210, 215, 220, 230, 240, 250, 260, 270, 280, 290 or 300 ml / 100 g.
  • the specific surface area of the carrier material in various embodiments is still approximately 30 to 400 m 2 / g, preferably approximately 40 to 300 m 2 / g, preferably approximately 50 to 250 m 2 / g more preferably at least 50 to about 250 m 2 / g, for example 50, 55, 60, 65, 100, 105, 1 10, 1 15, 120, 125, 130, 140, 150, 160, 170, 180, 190, 200, 205, 210, 220, 230, 240, 245 or 250 m 2 / g.
  • the specific surface of the carrier material is determined, for example, according to ISO9277: 2014 (Multipoint). Unless otherwise stated, information on the specific surface area of the carrier material always relates to values determined using this method.
  • the average particle size dso of the carrier material is in some embodiments around 5 to 500 ⁇ m, preferably around 7 to 450 ⁇ m, even more preferably around 8 to 400 ⁇ m, in particular around 10 to 350 ⁇ m, so for example 10.1 , 12, 13, 14, 15, 20, 25, 30, 50, 95, 100, 1 15, 120, 150, 200, 250, 295, 300, 310, 345 or 350 pm.
  • the average particle size can be determined according to IS ⁇ 13320: 2009. Unless otherwise stated, the particle size information relating to the carrier material always relates to values determined by means of this method.
  • the carrier material is selected from the group consisting of amorphous aluminosilicates, bentonites, alkaline earth metal silicates, alkaline earth metal carbonates and silicas, in particular amorphous aluminosilicates, bentonites, alkaline earth metal silicates and silicas, more preferably silicas. It can be preferred that the carrier material comprises only one of the aforementioned materials or a combination thereof, but does not contain any further constituents, in particular no further active constituents such as surfactants or organic builders.
  • the carrier material is a silica.
  • silica is a collective term for compounds of the general formula (SiO2) m nH2 ⁇ and includes, in particular, precipitated silicas and pyrogenic silicas. Precipitated silicas are produced from an aqueous alkali silicate solution by precipitation with mineral acids. In the process, colloidal primary particles are formed, which agglomerate as the reaction progresses and finally grow together to form aggregates.
  • the powdery, voluminous forms have specific surface areas in the range from 30 to 800 m 2 / g, for example 30 to 400 m 2 / g or 100 to 300 g / m 2 .
  • Such specific surfaces can be determined, for example, according to IS ⁇ 9277 (multipoint, N2).
  • such precipitated silicas in particular amorphous precipitated silicas, are of particular interest. It has been found that, due to a good balance of their hydrophobic and hydrophilic properties, they are particularly suitable as carrier material for perfume oils in free form and (perfume) microcapsules, which are usually used in the form of an aqueous slurry, and are, for example, against starches and celluloses and other carrier materials are characterized by significantly improved properties.
  • pyrogenic silicas encompasses highly disperse silicas that are produced by flame hydrolysis. Silicon tetrachloride is decomposed in an oxyhydrogen flame. Pyrogenic silicas have significantly fewer OH groups on their surface than precipitated silicas. Because of their hydrophilicity caused by the silanol groups, the synthetic silicas are often subjected to chemical aftertreatment processes in which the OH groups react, for example, with organic chlorosilanes. This results in modified, for example hydrophobic surfaces, which significantly expand the application properties of the silicas. Chemically modified silicas also fall under the term “silicas” in the context of the present invention.
  • Particularly advantageous embodiments are the precipitated silicas which are commercially available from Evonik under the trade name Sipernat®, in particular Sipernat 22 S, Sipernat 360 and Sipernat 2200. These are typically spray-dried and then optionally ground precipitated silicas, since these have proven to be very absorbent. However, other silicas known in the prior art are also suitable.
  • the carrier material is in particular a silica, the particles of which have an oil absorption capacity of approximately 50 to 400 ml / 100 g, preferably approximately 100 to 350 ml / 100 g, in particular approximately 150 to 300 ml / 100 g; and / or a specific surface area of approximately 30 to 400 m 2 / g, preferably approximately 40 to 300 m 2 / g, in particular approximately 50 to 250 m 2 / g; and / or have an average particle size of approximately 5 to 500 ⁇ m, preferably approximately 7 to 450 ⁇ m, more preferably approximately 8 to 400 ⁇ m, in particular approximately 10 to 350 ⁇ m.
  • the above-described carrier material is in an amount of approximately 5 to 90% by weight, preferably approximately 20 to 85% by weight, more preferably approximately 25 to 80% by weight, in particular approximately 30 to 75% by weight. %, for example 40 to 65% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment agent additive, contained therein.
  • a further component of the inventive washing, cleaning or treatment additive is a perfume oil b).
  • perfume oils b Suitable perfume oils relate in particular to perfume oils b), but can also be applied to the encapsulated perfume oils which may be contained in the microcapsules.
  • fragrances or fragrances or perfume oils can be used as fragrances or fragrances or perfume oils.
  • perfume oils for the purposes of this invention, the terms “fragrance (s)”, “fragrances” and “perfume oil (s)” are used synonymously. This means in particular all those substances or their mixtures which are perceived as odor by humans and animals, in particular are perceived as a fragrance by humans.
  • perfume oils or perfume oil constituents can be used as fragrance components.
  • perfume oils or fragrances can contain individual fragrance compounds, e.g. B. the synthetic products of the type of esters, ethers, aldehydes, ketones, alcohols and hydrocarbons.
  • Fragrance 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), ethyl vanillin, 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), methylnonylacetaldehyde, Lilial (3- (4- tert-butylphenyl) -2-methylpropanal), phenylacetaldehyde, undecylenealdehyde, vanill
  • Fragrance 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), Tonalid (6-acetyl-1, 1, 2,4,4, 7-hexamethyltetralin), alpha-damascone, beta-damascone, delta-damascone, iso-damascone, damascenone, methyl dihydrojasmonate, menthone, carvone, camphor, coavone (3 , 4, 5,6,6-pentamethylhept-3-en-2-one), fenchone, alpha-ionone, betalonone, gamma-methyl-ionone, fleuramone (2-heptylcyclopen-tanone), dihydrojasmone, cis-jasmone , iso-E-Super (1- (1
  • Fragrance compounds of the alcohol type are, for example, 10-undecen-1-ol, 2,6-dimethylheptan-2-ol, 2-methyl-butanol, 2-methylpentanol, 2-phenoxyethanol, 2-phenylpropanol, 2-tert.-butycyclohexanol, 3,5,5-trimethylcyclohexanol, 3-hexanol, 3-methyl-5-phenyl-pentanol, 3-octanol, 3-phenyl-propanol, 4-heptenol, 4-isopropyl-cyclohexanol, 4-tert-butycyclohexanol, 6 ,8th- Dimethyl-2-nona-nol, 6-nonen-1 -ol, 9-decen-1 -ol, ⁇ -methylbenzyl alcohol, ⁇ -terpineol, amyl salicylate, benzyl alcohol, benzyl salicylate, ß-terpin
  • Fragrance compounds of the ester type are e.g. Benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethylbenzylcarbinylacetate (DMBCA), phenylethyl acetate, benzyl acetate, ethylmethylphenylglycinate, allylcyclohexylpropionate, styrallylpropionate, cyclohexylsalate, benzylsalicylate.
  • DMBCA dimethylbenzylcarbinylacetate
  • the ethers include, for example, benzyl ethyl ether and ambroxan.
  • the hydrocarbons mainly include terpenes such as limonene and pinene.
  • fragrances are preferably used, which together produce an appealing fragrance note.
  • a mixture of fragrances can also be referred to as perfume or perfume oil.
  • perfume oils can also contain natural fragrance mixtures, such as are available from vegetable sources.
  • the fragrances of vegetable origin include essential oils such as angelica root oil, anise oil, arnica flower oil, basil oil, bay oil, champaca flower oil, citrus oil, noble fir oil, noble fir cone oil, elemi oil, eucalyptus oil, fennel oil, spruce needle oil, guajun oil, gourd oil, gjajun oil, galbanum oil, gourd oil, gjajun oil , Ginger oil, iris oil, jasmine oil, kajeput oil, calamus oil, chamomile oil, camphor oil, kanaga oil, cardamom oil, cassia oil, pine needle oil, copai balsam oil, coriander oil, spearmint oil, caraway oil, cumin oil, labdanum oil, lime oil, lemon blossom oil, lavender oil, lemongrass oil , Muscatel oil, myrrh oil, clove oil, neroli oil, niaouli oil, olibanum oil, orange blossom oil, orange peel
  • an odorous substance In order to be perceptible, an odorous substance must be volatile, with the molecular weight also playing an important role in addition to the nature of the functional groups and the structure of the chemical compound.
  • Most fragrances for example, have molar masses of up to about 200 Dalton, while molar masses of 300 Dalton and above are more of an exception. Due to the different volatility of odorous substances, the odor of a perfume or fragrance composed of several odorous substances changes during evaporation, whereby the olfactory impressions are divided into "top note”, “heart note” or “middle note” (body). and “base note” (end note or dry out).
  • top, heart and base notes can be determined on the basis of their vapor pressure (using the test method described in WO 2016/200761 ) are classified as follows: Top note: Vapor pressure at 25 ° C:> 0.0133 kPa
  • the firmly adhering fragrances that can be used in the context of the present invention include, for example, the essential oils such as angelica root oil, anise oil, arnica flower oil, basil oil, bay oil, bergamot oil, champaca flower oil, noble fir oil, noble fir cone oil, elemi oil, eucalyptus oil, fennel oil, spruce needle, Ginger grass oil, guaiac oil, gurjun balsam oil, helichrysum oil, Ho oil, ginger oil, iris oil, kajeput oil, calamus oil, chamomile oil, camphor oil, kanaga oil, cardamom oil, cassia oil, pine needle oil, copalva balsam oil, coriander oil, lime, lavender oil, almond oil, caraway seed oil, lime oil, cumin oil, almond oil Melissa oil, musk oil, myrrh oil, clove oil, neroli oil, niaouli oil, olibanum oil, orange oil,
  • High-boiling or solid odoriferous substances of natural or synthetic origin include, for example: ambrettolide, ⁇ -amylcinnamaldehyde, anethole, anisaldehyde, anisalcohol, anisole, anthranilic acid methyl ester, acetophenone, benzylacetone, benzaldehyde, benzoic acid ethyl ester, benzophenone, benzyl alcohol, benzyl acetate, benzyl benzyl benzoate, Bornyl acetate, a-bromostyrene, n-decylaldehyde, n-dodecyl aldehyde, eugenol, eugenol methyl ether, eucalyptol, farnesol, fenchone, fenchyl acetate, geranyl acetate, geranyl formate, heliotropine,
  • the more volatile fragrances include in particular the lower-boiling fragrances of natural or synthetic origin, which can be used alone or in mixtures.
  • Examples of more volatile odoriferous substances are alkyl isothiocyanates (alkyl mustard oils), butanedione, limonene, linalool, linayl acetate and propionate, menthol, menthone, methyl-n-heptenone, phellandrene, phenylacetaldehyde, terpinylacetate, citral, citronellal.
  • Fragrance compounds of the aldehyde type which can be used with preference are hydroxycitronellal (CAS 107-75-5), helional (CAS 1205-17-0), citral (5392-40-5), bourgeonal (18127-01-0), triplal (CAS 27939 -60-2), Ligustral (CAS 68039-48-5), Vertocitral (CAS 68039-49-6), Florhydral (CAS 125109- 85-5), Citronellal (CAS 106-23-0), Citronellyloxyacetaldehyde (CAS 7492 -67-3).
  • the at least one perfume oil which is part of the additive according to the invention as component b) can also be contained in the form of a perfume oil preparation and, for example, comprise at least one further active ingredient in oil form.
  • suitable active ingredients in oil form are those which are suitable for washing, cleaning, care and / or finishing purposes, in particular
  • Textile care materials such as preferably silicone oils, and / or
  • Skin care active ingredients are all those active ingredients which give the skin a sensory and / or cosmetic advantage. Skin care active ingredients are preferably selected from the following substances:
  • Waxes such as carnauba, spermaceti, beeswax, lanolin and / or derivatives thereof and others.
  • hydrocarbons such as squalene and / or squalane
  • Higher fatty acids preferably those with at least 12 carbon atoms, for example lauric acid, stearic acid, behenic acid, myristic acid, palmitic acid, oleic acid, linoleic acid, linolenic acid, isostearic acid and / or polyunsaturated fatty acids and others.
  • Higher fatty alcohols preferably those with at least 12 carbon atoms, for example lauryl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol, behenyl alcohol, cholesterol and / or 2-hexadecanol and others.
  • Esters preferably those such as cetyloctanoate, lauryl lactate, myristyl lactate, cetyl lactate, isopropyl myristate, myristyl myristate, isopropyl palmitate, isopropyl adipate, butyl stearate, decyl oleate, cholesterol oleate, cholesterol stearate, glycerol monostearate and other, glycerol monostearate and other, glycerol monostearate and other, glycerol monostearate, glycerol, glycerol, and other glycerol monostearate, glycerol, glycerol, and other, glycerol, glycerol, glycerol, and other alkyl citrate tearate, alkyl cystearate, glycerol, glycerol, and other alkyl citrate trearate.
  • Esters preferably those such
  • lipids such as cholesterol, ceramides and / or sucrose esters and others.
  • Vitamins such as vitamins A, C and E, vitamin alkyl esters, including vitamin C alkyl esters and others.
  • Germicides for cosmetic use both synthetic, such as salicylic acid and / or others, and natural, such as neem oil and / or others.
  • the at least one perfume oil b) is in an amount of approximately 1 to 80% by weight, preferably approximately 5 to 70% by weight, in particular 10 to 60% by weight, for example 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 34, 35, 36, 37, 38 , 39, 40, 45, 50, 55 or 60% by weight, for example 20 to 45% by weight or 24 to 40% by weight or 20 to 30% by weight, in each case based on the total weight of the granular wash -, cleaning or treatment additive, contained in this.
  • microcapsules c Another component of the granular washing, cleaning or treatment additives according to the invention are microcapsules c).
  • Microcapsule refers to capsules with a core-shell morphology on the micrometer scale that have a capsule shell that completely encloses a core.
  • “Completely encloses” or “completely surrounds” as used herein with respect to the microcapsules means that the core is completely surrounded by the shell, i.e. in particular, is not embedded in a matrix in such a way that it is exposed at one point.
  • the capsule shell is such that the release of the contents is controlled, i. the content is not spontaneously released in an uncontrolled manner independently of a release stimulus. For this reason, the capsule shell is preferably essentially impermeable to the encapsulated content.
  • Essentially impermeable means that the contents of the capsule or individual ingredients cannot spontaneously penetrate the shell, but are only released by opening the capsule or optionally via a diffusion process that takes place over a longer period of time can.
  • the core can be solid, liquid and / or gaseous, but is preferably solid and / or liquid.
  • the microcapsules are preferably essentially spherical and have a diameter in the range from 0.01 to 1000 ⁇ m, in particular 0.1 to 500 ⁇ m.
  • the capsule shell and the capsule core consist of different materials, in particular the capsule shell is preferably solid under standard conditions (20 ° C., 1013 mbar), and the core is preferably solid and / or liquid, in particular liquid.
  • capsule material for microcapsules suitable in the context of the present invention very generally, for. B. high molecular weight compounds of animal or vegetable origin, z. B. protein compounds (gelatin, albumin, casein), cellulose derivatives (methyl cellulose, ethyl cellulose, cellulose acetate, cellulose nitrate, carboxymethyl cellulose) and especially synthetic polymers (e.g. polyamides, polyolefins, polyesters, polyurethanes, epoxy resins, silicone resins and condensation products of carbonyl and compounds containing NH groups) can be used.
  • synthetic polymers e.g. polyamides, polyolefins, polyesters, polyurethanes, epoxy resins, silicone resins and condensation products of carbonyl and compounds containing NH groups
  • the shell material can be selected, for example, from polyacrylates; Polyethylene; Polyamides; Polystyrenes; Polyisoprenes; Polycarbonates; Polyesters; Polyureas; Polyurethanes; Polyolefins; Polysaccharides; Epoxy resins; Vinyl polymers; Urea cross-linked with formaldehyde or glutaraldehyde; Melamine cross-linked with formaldehyde; Gelatin-polyphosphate coacervates, optionally crosslinked with glutaraldehyde; Gelatin-gum arabic coacervates; Silicone resins; polyamines reacted with polyisocyanates; acrylate monomers polymerized by free radical polymerization; Silk; Wool; Gelatin; Cellulose; Proteins; and mixtures and copolymers of the foregoing.
  • polyacrylates Polyethylene; Polyamides; Polystyrenes; Polyisoprenes; Polycarbonates; Polyesters; Polyureas; Polyurethanes; Polyolef
  • Polyacrylates polyethylene, polyamides, polystyrenes, polyisoprenes, polycarbonates, polyesters, polyureas, polyurethanes, polyolefins, epoxy resins, vinyl polymers and urea and / or melamine crosslinked with formaldehyde or glutaraldehyde, more preferably polyacrylates, polyureas and urea and / or melamine crosslinked are particularly preferred with formaldehyde or glutaraldehyde.
  • the known microencapsulation processes are suitable in principle, in which z. B. the encapsulation of the phase to be encapsulated by sheathing with film-forming polymers (such as, for example, mentioned above), which are deposited on the material to be enveloped after emulsification and coacervation or interfacial polymerization.
  • the phase to be encapsulated is a benefit agent composition, preferably a fragrance composition, usually in the form of a perfume oil.
  • the encapsulated perfume oils can be defined as described above for perfume oil b).
  • the capsules can release the encapsulated benefit agents through various mechanisms.
  • Capsules that have a mechanically stable capsule shell, but which are then used due to one or more environmental influences, such as a change in temperature or the ionic strength or the pH value of the surrounding medium, for the agents contained therein.
  • Stable capsule wall materials through which the at least one beneficial agent, for example a perfume oil and possibly further beneficial agents, can diffuse over time are also possible.
  • the capsules can release the at least one beneficial agent contained, preferably when the pH value or the ionic strength of the environment changes, when the temperature changes, when exposed to light, through diffusion and / or when subjected to mechanical stress.
  • the capsules are fragile, that is, they can release entrapped agents due to mechanical stress such as friction, pressure or shear stress, which breaks the shell of the capsules.
  • the capsule is thermally labile, that is, trapped substances can be released when the capsules have a temperature of at least 70 ° C, preferably at least 60 ° C, preferably at least 50 ° C and in particular at least 40 ° C is exposed.
  • the capsule can become transparent to the enclosed benefit agent after exposure to radiation of a certain wavelength, preferably through exposure to sunlight.
  • the capsules are fragile and at the same time thermally unstable and / or unstable to radiation of a certain wavelength.
  • Suitable microcapsules can be water-soluble and / or water-insoluble, but they are preferably water-insoluble capsules.
  • the water-insolubility of the capsules has the advantage that these washing, cleaning or other treatment applications can survive and are thus able to only release the at least one beneficial agent after the aqueous washing, cleaning or treatment process, for example during the Drying by simply increasing the temperature or by exposure to sunlight or especially when the surface is rubbing.
  • capsules means in particular those capsules which, when they adhere to a surface treated with them (e.g. textile surface), can be opened or broken by mechanical rubbing or pressure, so that the content is released only results as a result of a mechanical action, e.g. if you dry your hands with a towel on which such capsules are deposited.
  • a surface treated with them e.g. textile surface
  • friable capsules can have mean diameters d 50 of ⁇ 250 ⁇ m, preferably in the range from 1 to 100 ⁇ m, preferably between 3 and 95 ⁇ m, in particular between 4 and 90 ⁇ m, e.g. between 5 and 80 pm, for example between 5 and 40 pm.
  • the d 50 value indicates the diameter which results when 50% by weight of the capsules have a smaller diameter and 50% by weight of the capsules have a larger diameter than the established d 50 value.
  • the dgo value of the particle size distribution of the microcapsules is ⁇ 70 ⁇ m, preferably ⁇ 60 ⁇ m, particularly preferably ⁇ 50 ⁇ m.
  • the dgo value of the particle size distribution is the value at which 90% of all particles are smaller and 10% of the particles are larger than this value.
  • the shell of the capsules that surrounds the core or (filled) cavity preferably has an average thickness in the range between approximately 50 and 500 nm, preferably between approximately 100 nm and approximately 250 nm. Capsules are particularly easy to ream if they are within the previously indicated ranges regarding the mean diameter and regarding the average thickness.
  • the d 50 value indicates the diameter which results when 50% by weight of the capsules have a smaller diameter and 50% by weight of the capsules have a larger diameter than the established d 50 value. It is further preferred that the doo value of the particle size distribution of the microcapsules is ⁇ 70 ⁇ m, preferably ⁇ 60 ⁇ m, particularly preferably ⁇ 50 ⁇ m.
  • the dgo value of the particle size distribution is the value at which 90% of all particles are smaller and 10% of the particles are larger than this value.
  • the diameter of the capsules or the particle size of the microcapsules can be determined using customary methods. It can for example be determined with the aid of dynamic light scattering, which is usually carried out on dilute suspensions, e.g. 0.01 to 1 wt .-% capsules contain, can be carried out. It can also take place by evaluating light microscopic or electron microscopic images of capsules.
  • a microcapsule according to the invention has an average diameter d 50 of approximately 1 to 80 ⁇ m, preferably approximately 5 to 40 ⁇ m, in particular approximately 20 to 35 ⁇ m, for example approximately 22 to approximately 33 ⁇ m.
  • the wall material of the microcapsules preferably comprises polyurethanes, polyolefins, polyamides, polyesters, polysaccharides, epoxy resins, silicone resins and / or polycondensation products made from carbonyl compounds and compounds containing NH groups.
  • melamine-urea-formaldehyde microcapsules or melamine-formaldehyde microcapsules or urea-formaldehyde microcapsules can preferably be used.
  • Microcapsules based on melamine-formaldehyde resins are particularly preferred.
  • microcapsule production has long been well known to those skilled in the art.
  • Particularly suitable processes for producing microcapsules are in principle, for. B. in US 3,516,941, in US 3,415,758 or also in EP 0 026 914 A1.
  • the latter describes, for example, the production of microcapsules by acid-induced condensation of melamine-formaldehyde precondensates and / or their C1-C4-alkyl ethers in water in which the hydrophobic material forming the capsule core is dispersed, in the presence of a protective colloid.
  • microcapsules suitable in the context of the present invention contain at least one beneficial agent in their core.
  • the at least one benefit agent is a perfume oil, as defined above.
  • This perfume oil is selected independently of the free perfume oil in the additive, but can be identical to this or different. In different embodiments it is identical in order to maintain the fragrance impression. In various other embodiments it is different in order to convey an alternative scent impression, in particular with a time delay or application-related.
  • microcapsules suitable according to the invention can also comprise other oils in addition to or as an alternative to fragrances.
  • the microcapsules can also contain active substances in oil form, which are suitable for washing, cleaning, care and / or finishing purposes, as defined above. Suitable skin care active ingredients are also defined above.
  • suitable microcapsules can furthermore contain plant extracts as active ingredient.
  • plant extracts are made by extracting the whole plant. In individual cases, however, it can also be preferred to produce the extracts exclusively from flowers and / or leaves of the plant.
  • Aloe vera extracts are particularly preferred.
  • Alcohols and mixtures thereof can be used as extraction agents for the production of the plant extracts mentioned.
  • the alcohols lower alcohols such as ethanol and isopropanol, but especially polyhydric alcohols such as ethylene glycol and propylene glycol, both as the sole extraction agent and as a mixture with water, are preferred.
  • Plant extracts based on water / propylene glycol in a ratio of 1:10 to 10: 1 have proven to be particularly suitable.
  • the plant extracts can be used both in pure and in diluted form. If they are used in diluted form, they usually contain approx. 2-80% by weight of active substance and, as the solvent, the extractant or extractant mixture used in their production.
  • the microcapsules described above contain at least one beneficial agent, as defined above, in an amount of about 30 to about 95% by weight, preferably at least 40 to about 90% by weight, even more preferably at least 50 to about 90% by weight. -%, in particular at least 60 to about 90% by weight, each based on the total weight of the microcapsules contained in them.
  • the shell / wall material of the microcapsules typically makes up about 5 to 30, in particular 5 to 20% by weight of the total weight of the microcapsules.
  • the at least one beneficial agent is at least one perfume oil, as defined above. As already described above, this perfume oil is selected independently of the free perfume oil in the additive, but can be identical to this or different.
  • suitable microcapsules can also be in the form of a (capsule) slurry, i. a suspension of the capsules in a liquid medium containing the granular washing, cleaning or treatment additive according to the invention.
  • the term “slurry” denotes a, typically aqueous, slurry of the microcapsules, as defined above.
  • the liquid medium preferably consists for the most part, ie more than 50% by weight, of water, but it can also consist entirely, ie 100%, of water.
  • the slurry is preferably pourable, ie it can be poured out of a vessel by tilting the vessel.
  • a pourable slurry is understood to mean, in particular, a capsule-liquid mixture which, in particular at the processing temperature, preferably at a maximum of 40 ° C., in particular at a maximum of 20 ° C., has a viscosity below 10-10 4 mPas (Brookfield rotation viscometer; spindle 2, 20 U / min.).
  • the slurry can contain further auxiliaries, for example those that ensure a certain shelf life or stability.
  • auxiliaries include, for example, surfactants, in particular anionic and / or nonionic surfactants.
  • Corresponding capsule slurries are commercially available and are known as such to the person skilled in the art.
  • the capsules described above are in an amount of 5 to 80% by weight, preferably 10 to 70% by weight, in particular 20 to 60% by weight, for example 30-50, 35-45 or 30-40 % By weight contained in the slurry.
  • the above-described microcapsules are in an amount of approximately 0.5 to 8% by weight, in particular approximately 1.0 to 7.0% by weight, in particular 2.0 to 6.5% by weight or 3.0 to 6.5 wt% or 2.0 to 4.5 or 2.0 to 4.0 wt% wt%, based in each case on the total weight of the granular detergent, cleaning or treatment additive , included in this.
  • the lower limit of the amount of microcapsules is preferably 2.0, more preferably 2.5% by weight, whereas the upper limit is preferably 7.0% by weight, in particular 6.5% by weight. Smaller amounts of up to 6.0, 5.5, 5.0 or 4.5% by weight are also possible.
  • the granular detergent, cleaning or treatment agent additive thus contains:
  • Carrier material as defined herein, in particular a precipitated silica, in an amount of 5 to 90% by weight, preferably about 20 to 85% by weight, more preferably about 25 to 80% by weight, in particular about 30 to 75% by weight %
  • Carrier material in particular a precipitated silica, in an amount of 5 to 90% by weight, preferably about 20 to 85% by weight, more preferably about 25 to 80% by weight, in particular about 30 to 75% by weight %
  • Perfume oil in an amount of approximately 1 to 80% by weight, preferably approximately 5 to 70% by weight, in particular 10 to 60% by weight, for example 10, 11, 12, 13, 14, 15, 16 , 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 34, 35, 36, 37, 38, 39, 40, 45, 50, 55 or 60% by weight, for example 20 to 45% by weight or 20 to 40% by weight or 20 to 35 or 20 to 30% by weight, based in each case on the total weight of the granular laundry detergent - or treatment additive, and
  • perfume microcapsules in an amount of 0.5 to 8% by weight, in particular about 1.0 to 7.0% by weight, in particular 2.0 to 6.5% by weight or 3.0 to 6, 5% by weight or 2.0 to 4.5% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment additive, or a perfume microcapsule composition, in particular a slurry, which contains the amounts of perfume microcapsules specified above, in an amount of 2 to 25% by weight, preferably 3 to 20% by weight, even more preferably 4 to 18% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment additive.
  • the granular detergent, cleaning or treatment agent additive thus contains:
  • a) carrier material as defined herein, in particular a precipitated silica, in an amount of approximately 30 to 75% by weight, for example 40 to 65% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment additive
  • b ) Perfume oil in an amount of approximately 20 to 45% by weight or 20 to 40% by weight or 20 to 30% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment additive
  • perfume microcapsules in an amount of 2 to 6.5% by weight or 3 to 6.5% by weight or 2 to 4.5% by weight, based in each case on the total weight of the granular detergent, cleaning or treatment additive or a perfume microcapsule composition, in particular slurry, which contains the amounts of perfume microcapsules specified above, in an amount of 3 to 20% by weight, preferably 4 to 18% by weight, more preferably 8 to 17% by weight, based in each case on the total weight the granular detergent, cleaning or treatment additive.
  • components a), b) and c) can make up at least 90% by weight of the total mass of the additive, preferably at least 95% by weight, more preferably at least 96, at least 97, at least 98, at least 99, at least 99 , 5 or at least 99.9% by weight.
  • Component c) can include not only the microcapsules as such, but also the other components of the slurry in which the microcapsules are provided. This means that component c) can also be used as a microcapsule slurry, as defined herein.
  • the values given above for the total mass of a), b) and c) can thus also relate to the total mass of carrier material, perfume oil and microcapsule slurry.
  • the at least one perfume oil and the microcapsules are in a ratio of about 10:90 to about 98: 2, preferably about 20:80 to about 97: 3, more preferably about 30:70 to about 96: 4, in particular about 50:50 to about 95: 5, or 1: 1 to 5: 1 or 1.5: 1 to 4: 1 or 2: 1 to 3.5: 1 in the granular detergent, cleaning or treatment additive according to the invention.
  • the detergent, cleaning or treatment agent additive according to the invention has the form of granules.
  • the additive is in solid form under standard conditions, ie 20 ° C. and 1013 mbar.
  • the microcapsules and carrier material are distributed so homogeneously in the granulate that on average less than 60% by weight, preferably less than 45% by weight and in particular less than 30% by weight of the substances in a detergent, cleaning agent or treatment agent additive
  • the capsules containing granules are located on the surface of the granules.
  • this preferred additive granulate does not have the form of a carrier material core coated with capsules or the form of capsule aggomerates which are bound to carrier material (particles).
  • a washing, cleaning or treatment additive according to the invention in which carrier material and capsules are distributed so homogeneously that on average less than 60% by weight of the capsules contained in a washing, cleaning or treatment additive granulate grain are on the surface of the granulate grain, is more stable to mechanical influences than a comparable additive in which the capsules are located to a greater extent on the surface of the granulate grain, i.e. form a coating or are bound to the granulate surface in the form of capsule agglomerates.
  • the additive according to the invention has improved storability and transportability, which results in the fact that less beneficial agent is released before the intended point in time than with an additive in which the capsules are located to a greater extent on the surface of the granules. This can be achieved in particular by adhering to the quantities and ratios described herein.
  • Another object of the present invention is a process for the production of a granular detergent, cleaning or treatment agent additive defined and described above.
  • the inventive method comprises the steps of
  • the detergent, cleaning agent or treatment agent additive described above can be produced by means of this method.
  • the embodiments described there as preferred for carrier material, perfume oil, capsule material and properties, encapsulated beneficial agent and granular detergent, cleaning or treatment agent additive also apply to the method according to the invention.
  • the microcapsules are in the form of a pourable composition, for example in the form of a capsule slurry, as defined above.
  • a pourable capsule preparation is particularly suitable when it is liquid at 20 ° C. and 1 bar. The pourability of such a preparation has already been defined above.
  • the perfume oil and the microcapsules are preferably not sprayed, but rather applied to the carrier material, in particular by “pouring on”.
  • the carrier material in particular by “pouring on”.
  • Step a) and / or step b) are advantageously carried out with thorough mixing, preferably continuous mixing, of the carrier material, so that homogeneous distribution and absorption of the perfume oil and the microcapsules can be ensured.
  • step b) and step c) can be carried out in any order, i.e. in various embodiments, first the perfume oil and then the microcapsules, for example in the form of a pourable capsule slurry, are applied to the carrier material; and in various other embodiments, first the microcapsules, for example in the form of a pourable capsule slurry, and then the perfume oil are applied to the carrier material. In preferred embodiments, however, first the perfume oil and then the microcapsules are applied to the carrier material.
  • step c further steps such as removing a component introduced into the process in step c), which is liquid at 20 ° C and 1 bar (drying), maturing, rounding, Powdering with flow aids, spraying liquid or mixing with particulate components and / or mixing the product into liquid, viscous or particulate detergents, cleaning agents or treatment agents. It is also possible to compress the detergent, cleaning or treatment agent additive per se or in admixture with further components to form a tablet or the phase of a multilayer tablet.
  • Excellent powder / granulate properties of the detergent, cleaning or treatment agent additives produced by means of the process according to the invention are obtained if the process is followed by a granulation step, in particular with high shear.
  • Detergent, cleaning or treatment additives produced by a comparable process, but with low or maximum moderate shear are significantly subject to the additives granulated under high shear in terms of flowability, flowability and, in particular, homogeneity of the distribution of the ingredients contained within the granulate.
  • the shear within a granulation process can be described using the Froude number.
  • the Froude number of the mixing tools of the mixer / granulator used is at least 0.01, preferably at least 1, particularly preferably at least 1.5, in particular at least 2, most preferably at least 4.
  • a method according to the invention can be carried out in one mixer or also in a combination of several mixers.
  • a mixer is preferably used in the method, in which mixing and cutting tools are contained and can be controlled independently of one another.
  • the Froude number of the cutting tool (s) is preferably at least 5, preferably at least 10, particularly preferably at least 15 and in particular at least 20.
  • less than 30% by weight preferably less than 20% by weight and in particular less than 10% by weight of the component which is liquid at 20 ° C. and 1 bar is dried by drying away.
  • less than 25% by weight, particularly preferably less than 15% by weight and in particular less than 5% by weight of water are removed after the process.
  • the additive produced by means of the method according to the invention does not have to go through any drying to remove the liquid, which, compared to the present invention, is associated with avoidable mechanical and thermal loads and is advantageous for undesired release medium before the desired one Time leads.
  • a particulate end product for example a particulate detergent, cleaning agent or treatment agent
  • Another object of the present invention is an agent comprising a detergent, cleaning agent or treatment agent additive as described herein, the agent being a washing agent, cleaning agent or treatment agent, for example a cosmetic product, detergent, cleaning agent or textile treatment agent .
  • Agents according to the invention are suitable for washing, cleaning, conditioning, caring for and / or coloring hard or soft surfaces.
  • the agents according to the invention can consequently be detergents, cleaning agents, aftertreatment agents and / or cosmetic agents.
  • Hard surfaces within the meaning of this application are windows, mirrors and other glass surfaces, surfaces made of ceramic, plastic, metal or wood as well as lacquered wood, which can be found in households and businesses, such as bathroom ceramics, cookware and tableware, kitchen surfaces or floors.
  • Soft surfaces in the context of this application are flat textile structures, skin and hair.
  • Means for washing hard or soft surfaces in the context of this application are textile detergents, e.g. in the form of powders, granules, beads, tablets, pastes, gels, tissues, pieces or liquids.
  • Agents for cleaning hard or soft surfaces within the meaning of this application include all cleaners for hard or soft surfaces, in particular dishwashing detergents, all-purpose cleaners, toilet cleaners, sanitary cleaners and glass cleaners, toothpastes, skin washes, such as shower gels, or shampoos.
  • Means for conditioning hard or soft surfaces in the context of this application are fabric softeners, fragrance rinsers, conditioning wipes for use in tumble dryers, hygiene rinses, deodorants, antiperspirants, hair conditioning agents, styling agents and / or hair setting agents.
  • Means for the care of hard or soft surfaces in the context of this application are textile care products, hair care products or skin treatment products, such as creams, lotions or gels.
  • Agents for coloring hard or soft surfaces in the context of this application are hair colorants and hair tinting agents and agents for lightening keratinic fibers.
  • the surface is a textile surface. If the surface is a textile surface, it is particularly preferred if the agent for washing, cleaning, conditioning, caring for and / or dyeing hard or soft surfaces is a detergent, cleaning agent or aftertreatment agent.
  • the surface is a part of the body, in particular skin and / or hair. If the surface is a part of the body, in particular skin and / or hair, it is preferred that the agent for washing, cleaning, conditioning, caring for and / or coloring hard or soft surfaces is a cosmetic composition.
  • An agent according to the invention comprises at least one type of a granular detergent, cleaning or treatment additive as defined and described herein.
  • such an agent contains at least one inventive granular detergent, cleaning agent or treatment additive in an amount of up to approximately 10% by weight, preferably up to approximately 7% by weight, more preferably up to approximately 5% by weight. %, especially up to about 2% by weight.
  • an agent according to the invention can also contain conventional ingredients known as such to the person skilled in the art, for example at least one or preferably several substances from the group of enzymes, surfactants, bleaching agents, complexing agents, builders, electrolytes, non-aqueous solvents, pH adjusters, other fragrances, other fragrance carriers, fluorescent agents, dyes, hydrotropes, foam inhibitors, silicone oils, anti-redeposition agents, graying inhibitors, anti-enema agents, anti-crease agents, dye transfer inhibitors, antimicrobial agents, antimicrobial agents, anticorrosion agents, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidants, antioxidant
  • an agent according to the invention for the treatment of surfaces and / or in textile washing and / or in textile care As defined above, and a method for treating a surface or for washing and / or caring for textiles, characterized in that an agent according to the invention is used in at least one method step, as described above.
  • Solids content 38-44% by weight (perfume content depending on the solids content: 34-40% by weight) in each case based on the total weight of the capsule slurry

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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)
  • Fats And Perfumes (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne un additif granulaire pour produit lavant, produit nettoyant ou produit de traitement, comprenant un matériau de support, une huile de parfum et un agent d'amélioration encapsulé dans des microcapsules. En outre, la présente invention vise un procédé de production d'un tel additif, des agents comprenant un tel additif, l'utilisation de tels agents pour le traitement de surfaces et/ou dans le lavage et/ou l'entretien des textiles, ainsi que des procédés pour leur utilisation.
EP20732848.5A 2019-06-13 2020-06-12 Additif granulaire pour produit lavant, produit nettoyant ou produit de traitement Pending EP3983510A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019116071.5A DE102019116071A1 (de) 2019-06-13 2019-06-13 Granulares Wasch-, Reinigungs- oder Behandlungsmitteladditiv
PCT/EP2020/066254 WO2020249707A1 (fr) 2019-06-13 2020-06-12 Additif granulaire pour produit lavant, produit nettoyant ou produit de traitement

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EP3983510A1 true EP3983510A1 (fr) 2022-04-20

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Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415758A (en) 1960-03-09 1968-12-10 Ncr Co Process of forming minute capsules en masse
US3516941A (en) 1966-07-25 1970-06-23 Minnesota Mining & Mfg Microcapsules and process of making
DE2940786A1 (de) 1979-10-08 1981-04-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von mikrokapseln
EP0523287A1 (fr) * 1991-07-18 1993-01-20 The Procter & Gamble Company Additifs de parfums pour compositions d'adoucissants pour tissus
CA2124789C (fr) * 1991-12-20 1998-07-28 Gregory Berry Methode de preparation d'une composition parfumee encapsulee
DE102007010109A1 (de) * 2007-02-28 2008-09-04 Henkel Ag & Co. Kgaa Wirkstoffträgersysteme
DE102009002384A1 (de) * 2009-04-15 2010-10-21 Henkel Ag & Co. Kgaa Granulares Wasch-, Reinigungs- oder Behandlungsmitteladditiv
EP3103431A1 (fr) 2015-06-12 2016-12-14 The Procter and Gamble Company Compositions de parfums et utilisations associées
CN108602040A (zh) * 2016-02-02 2018-09-28 弗门尼舍有限公司 在室温下干燥悬浮液的方法
WO2018055121A1 (fr) * 2016-09-26 2018-03-29 Henkel Ag & Co. Kgaa Compositions sous forme de particules solides comprenant un polymère vecteur soluble dans l'eau et du parfum
DE102017218983A1 (de) * 2017-10-24 2019-04-25 Henkel Ag & Co. Kgaa Feste parfümhaltige Zusammensetzung

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