EP1378564A1 - Détergents liquides en portions - Google Patents

Détergents liquides en portions Download PDF

Info

Publication number
EP1378564A1
EP1378564A1 EP02015053A EP02015053A EP1378564A1 EP 1378564 A1 EP1378564 A1 EP 1378564A1 EP 02015053 A EP02015053 A EP 02015053A EP 02015053 A EP02015053 A EP 02015053A EP 1378564 A1 EP1378564 A1 EP 1378564A1
Authority
EP
European Patent Office
Prior art keywords
fatty acid
alkyl
preparations according
acid
preparations
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.)
Withdrawn
Application number
EP02015053A
Other languages
German (de)
English (en)
Inventor
Nuria Dr. Bonastre Gilabert
Agustin Sanchez
Maria Dr. De Moragas
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.)
Cognis IP Management GmbH
Original Assignee
Cognis Iberia SL
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 Cognis Iberia SL filed Critical Cognis Iberia SL
Priority to EP02015053A priority Critical patent/EP1378564A1/fr
Priority to PCT/EP2003/006733 priority patent/WO2004005448A1/fr
Publication of EP1378564A1 publication Critical patent/EP1378564A1/fr
Withdrawn legal-status Critical Current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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/043—Liquid or thixotropic (gel) compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38672—Granulated or coated enzymes

Definitions

  • the invention is in the field of detergents and relates to liquid preparations in water-soluble sachets that contain microencapsulated active ingredients.
  • Liquid preparations especially liquid detergents
  • the actual liquid surfactant phase will surrounded by a polymer shell that dissolves in the wash liquor and thereby releases surfactant compounds.
  • Most surfactants are solids, which are marketed in the form of more or less dilute aqueous pastes.
  • the incorporation of, for example, anionic or amphoteric surfactants into the formulation does not succeed because it would require the presence of water. But this is out of the question, otherwise the sachet will be there long before it actually is would dissolve predetermined end.
  • the object of the present invention was therefore to provide the known portioned portions Preparations of the market to improve the specific use also of anionic, amphoteric or zwitterionic or cationic surfactants as well as active ingredients that are otherwise difficult or impossible in the usual Dissolve or disperse the nonionic surfactant phase.
  • the new ones accessible in this way Means should not only be compared to other portioned preparations, but also compared to conventional liquid products on the market due to advantageous application technology Characterize properties and if possible also an interesting one Appealing appearance to consumers.
  • the capsules can be, for example, under Use of polymeric thickeners homogeneous and stable in the liquid phase disperse. If they additionally (or also exclusively) contain dyes Get preparations with a particularly attractive appearance, for example if yellow colored microcapsules are present in a green colored liquid matrix.
  • the preparations are portioned in such a way that the liquid phase is of a solid Enclosure is included, which preferably consists of at least one water-soluble polymer consists.
  • the term "water-soluble” is to be understood in such a way that the shell is in water Environment within a period of 1 to 20 minutes, depending on the water temperature completely dissolves.
  • the shell preferably consists entirely or predominantly of polyvinyl alcohol.
  • the liquid phase enclosed by the shell is anhydrous or has such a low water content that it is not too premature dissolution or permeability of the casing. Usually can therefore water contents of at most 5, preferably at most 3 and in particular at most 1 % By weight.
  • the liquid phase is usually a non-ionic surfactant phase.
  • the preparations impart such a high viscosity that the microcapsules remain stably dispersed, i.e. do not sediment over time.
  • the term increased viscosity is therefore a to understand such rheology, which is the stabilization of the microcapsules in the liquid (nonionic) phase ensures.
  • Such viscosities are usually (determined according to Brookfield, RVT viscometer, 20 ° C, spindle 1, 10 rpm) above 100 and preferably above 500 mPas, preferably in the range from 200 to 2,000 and in particular 500 up to 1,000 mPas.
  • Suitable thickeners are all the substances that make up the surfactant preparations give a correspondingly high viscosity. However, it is preferably polymeric compounds, since these are able to form a three-dimensional in the aqueous preparations To build a network in which the microcapsules are stabilized.
  • typical Examples are Aerosil types (hydrophilic silicas), polysaccharides, in particular Xanthan gum, guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and Hydroxyethyl and hydroxypropyl cellulose, also higher molecular weight polyethylene glycol monound diesters of fatty acids, polyacrylates, (e.g.
  • Carbopole® and Pemulen types of Goodrich Synthalene® from Sigma; Keltrol types from Kelco; Seppic Sepigel types; Salcare types from Allied Colloids), polyacrylamides, polymers, polyvinyl alcohol and polyvinyl pyrrolidone.
  • Bentonites such as e.g. Bentone® gel VS-5PC (Rheox), which is a mixture of cyclopentasiloxane, Disteardimonium hectorite and propylene carbonate. The proportion of these thickeners 0.1 to 5, preferably 0.5 to 3 and in particular 1 to 2 % By weight.
  • microcapsule describes spherical aggregates with a Understand diameters in the range of about 0.0001 to about 5 mm, the at least one contain solid or liquid core, which is enclosed by at least one continuous shell is. More precisely, they are finely dispersed with film-forming polymers liquid or solid phases, in the production of which the polymers change after emulsification and coacervation or interfacial polymerization on the material to be encased knock down. Another method involves melting waxes in a matrix added (“microsponge”), which as microparticles additionally with film-forming polymers can be enveloped.
  • microsponge a matrix added
  • the microscopic capsules, also called nanocapsules, can be dried like powder.
  • Aggregates also known as microspheres
  • Monocore or multi-core microcapsules can also from an additional second, third, etc. envelope.
  • the cover can be made of natural, semi-synthetic or synthetic materials exist. Wrapping materials, of course are for example gum arabic, agar agar, agarose, maltodextrins, alginic acid or their salts, e.g.
  • Semi-synthetic envelope materials include chemically modified celluloses, especially cellulose esters and ethers, e.g. Cellulose acetate, ethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose and carboxymethyl cellulose, and starch derivatives, especially starch ethers and esters.
  • Synthetic covering materials are, for example, polymers such as polyacrylates, polyamides, polyvinyl alcohol or polyvinyl pyrrolidone.
  • such substances are preferably considered as gel formers which show the property in aqueous solution at temperatures above 40 ° C to form gels.
  • Typical examples are heteropolysaccharides and proteins.
  • thermo-gelling heteropolysaccharides are preferably agaroses, which in Form of the agar agar to be obtained from red algae, together with up to 30% by weight non-gelling agaropectins may be present.
  • the main constituent of agaroses is linear Polysaccharides from D-galactose and 3,6-anhydro-L-galactose, which alternate between ⁇ -1,3 and ⁇ -1,4-glycosidically linked.
  • the heteropolysaccharides preferably have one Molecular weight in the range of 110,000 to 160,000 and are both colorless and tasteless.
  • Alternatives are pectins, xanthans (also xanthan gum) and their Mixtures in question. Those types which are still in 1% by weight are also preferred aqueous solution form gels that do not melt below 80 ° C and are already above of 40 ° C solidify again. From the group of thermogeling proteins the different types of gelatin are mentioned as examples.
  • Chitosans are biopolymers and belong to the group of hydrocolloids. From a chemical point of view, these are partially deacetylated chitins of different molecular weights that contain the following - idealized - monomer unit:
  • chitosans are cationic biopolymers under these conditions positively charged chitosans can interact with oppositely charged surfaces occur and are therefore in cosmetic hair and body care products as well pharmaceutical preparations used.
  • the production of chitosans is based on Chitin, preferably the shell remains of crustaceans, which are considered cheap raw materials in large quantities are available.
  • the chitin is used in a process that is the first time by Hackmann et al. has been described, usually first by adding Deproteinized bases, demineralized by adding mineral acids and finally by Addition of strong bases deacetylated, the molecular weights over a wide range can be distributed.
  • Such types are preferably used as the average Molecular weight from 10,000 to 500,000 or 800,000 to 1,200,000 daltons have and / or a Brookfield viscosity (1 wt .-% in glycolic acid) below of 5000 mPas, a degree of deacetylation in the range from 80 to 88% and an ash content of less than 0.3% by weight.
  • the chitosans are generally used in the form of their salts, preferably as glycolates.
  • cationic polymers can also be used to form the membrane become.
  • Suitable cationic polymers are, for example, cationic cellulose derivatives, such as. a quaternized hydroxyethyl cellulose, which is sold under the name Polymer JR 400® is available from Amerchol, cationic starch, copolymers of diallyl ammonium salts and acrylamides, quaternized vinyl pyrrolidone / vinyl imidazole polymers, e.g.
  • Luviquat® (BASF), condensation products of polyglycols and amines, quaternized collagen polypeptides, such as lauryldimonium hydroxypropyl hydrolyzed collagen (Lamequat®L / Grünau), quaternized wheat polypeptides, polyethyleneimine, cationic silicone polymers, such as.
  • Amodimethicones, copolymers of adipic acid and dimethylaminohydroxypropyldiethylenetriamine (Cartaretine® / Sandoz), copolymers of acrylic acid with Dimethyldiallylammonium chloride (Merquat® 550 / Chemviron), polyaminopolyamides and their crosslinked water-soluble polymers, condensation products from dihaloalkylene, such as e.g. Dibromobutane with bisdialkylamines, e.g. Bis-dimethylamino-1,3-propane, more cationic Guar gum, such as Jaguar® CBS, Jaguar® C-17, Jaguar® C-16 from Celanese, quaternized ammonium salt polymers, e.g.
  • the first group includes ionic, i.e. anionic, cationic, amphoteric or zwitterionic Surfactants that are insoluble in the non-ionic surfactant phase and otherwise only as aqueous solutions could be introduced.
  • suitable anionic surfactants are soaps, alkylbenzenesulfonates, Alkane sulfonates, olefin sulfonates, alkyl ether sulfonates, glycerol ether sulfonates, ⁇ -methyl ester sulfonates, sulfo fatty acids, alkyl sulfates, alkyl ether sulfates, glycerol ether sulfates, Fatty acid ether sulfates, hydroxy mixed ether sulfates, monoglyceride (ether) sulfates, Fatty acid amide (ether) sulfates, mono- and dialkyl sulfosuccinates,
  • anionic surfactants contain polyglycol ether chains, these can be a conventional, but preferably have a narrow homolog distribution.
  • cationic surfactants are quaternary ammonium compounds, for example the dimethyldistearylammonium chloride, and ester quats, especially quaternized Fettklaretrialkanolaminestersalze.
  • Typical examples of amphoteric or zwitterionic Surfactants are alkyl betaines, alkyl amido betaines, aminopropionates, aminoglycinates, imidazolinium betaines and sulfobetaines. The surfactants mentioned are exclusively about known connections.
  • fatty alcohol (polyglycol ether) sulfates particularly preferred for technical reasons are fatty alcohol (polyglycol ether) sulfates, monoglyceride sulfates, mono- and / or dialkyl sulfosuccinates, Fatty acid glutamates, esterquats, alkylamidobetaines, amphoacetals and / or Protein fatty acid condensates, the latter preferably based on wheat proteins.
  • the microcapsules can also contain nonionic surfactants, if these from others Reasons should not be a direct part of the liquid phase.
  • the second group includes substances that are used when the preparations are used, for example in the manual rinsing process, which are intended to protect and care for the skin or serve, for example, to wind up on the fibers during washing and to equip them.
  • biogenic Active ingredients and antioxidants such as vitamin E and its derivatives (e.g. tocopherol, Tocopherol acetate, tocopherol palmitate), vitamin A and its derivatives (e.g.
  • carotenes Caffeine, ascorbic acid, (deoxy) ribonucleic acid and their fragmentation products, ⁇ -glucans, retinol, bisabolol, allantoin, phytantriol, panthenol, AHA acids, amino acids, Ceramides, pseudoceramides, chitosan, menthol, squalane, vegetable oils (e.g. jojoba oil), vegetable proteins and their hydrolysis products as well as plant extracts and vitamin complexes to understand.
  • jojoba oil vegetable oils
  • squalane, chitosan, menthol, retinol is particularly preferred (Vitamin A), caffeine, vegetable proteins and their hydrolysis products, carotenes and jojoba oil, as these contribute to the balance of the cutane hydrolipid layer, the Prevent water loss, and the skin, for example, after rinsing a soft and elastic Give feeling.
  • Protect fibers especially color stabilizers, e.g. Polyvinyl pyrrolidone, poly (4-vinyl pyridinium betaine) or poly (4-vibylpyridine oxide).
  • Natural Fragrance substances are extracts of flowers (lily, lavender, roses, jasmine, neroli, ylang-ylang), Stems and leaves (geranium, patchouli, petitgrain), fruits (anise, coriander, caraway, Juniper), fruit peels (bergamot, lemon, oranges), roots (mace, angelica, celery, Cardamom, Costus, Iris, Calmus), wood (pine, sandal, guaiac, cedar, rosewood), Herbs and grasses (tarragon, lemongrass, sage, thyme), needles and branches (Spruce, fir, pine, mountain pine), resins and balsams (galbanum, elemi, benzoin, myrrh, Olibanum, opoponax).
  • fragrance compounds are products of the type the esters, ethers, aldehydes, ketones, alcohols and hydrocarbons. fragrance compounds of the ester type are e.g.
  • the ethers include, for example, benzyl ethyl ether Aldehydes e.g.
  • the linear alkanals with 8 to 18 carbon atoms citral, citronellal, Citronellyloxyacetaldehyde, Cyclamenaldehyde, Hydroxycitronellal, Lilial and Bourgeonal, too the ketones e.g. the Jonone, ⁇ -isomethylionon and methylcedryl ketone, to the alcohols Anethole, citronellol, eugenol, isoeugenol, geraniol, linalool, phenylethyl alcohol and terpineol,
  • the hydrocarbons mainly include the terpenes and balms.
  • Aroma components are used as perfume oils, e.g. Sage oil, chamomile oil, Clove oil, lemon balm oil, mint oil, cinnamon leaf oil, linden blossom oil, juniper berry oil, vetiver oil, Oliban oil, galbanum oil, labolanum oil and lavandin oil.
  • the proportion of active ingredients in the microcapsules can be 1 to 30, preferably 5 to 25 and in particular 15 to 20 wt .-%.
  • the matrix can optionally be dispersed in an oil phase before the membrane is formed.
  • Suitable oils for this purpose are, for example, Guerbet alcohols based on fatty alcohols having 6 to 18, preferably 8 to 10 carbon atoms, esters of linear C 6 -C 22 fatty acids with linear C 6 -C 22 fatty alcohols, esters of branched C 6 -C 13 carboxylic acids with linear C 6 -C 22 -fatty alcohols, such as myristyl myristate, myristyl palmitate, myristyl stearate, Myristylisostearat, myristyl, Myristylbehenat, Myristylerucat, cetyl myristate, cetyl palmitate, cetyl stearate, Cetylisostearat, cetyl oleate, cetyl behenate, Cetylerucat, Stearylmyristat, stearyl palmitate, stearyl stearate, Steary
  • esters of linear C 6 -C 22 fatty acids with branched alcohols in particular 2-ethylhexanol
  • esters of hydroxycarboxylic acids with linear or branched C 6 -C 22 fatty alcohols in particular dioctyl malates
  • esters of linear and / or branched fatty acids are also suitable polyhydric alcohols (such as propylene glycol, dimer diol or trimer triol) and / or Guerbet alcohols, triglycerides based on C 6 -C 10 fatty acids, liquid mono- / di- / triglyceride mixtures based on C 6 -C 18 fatty acids, esters of C 6 -C 22 fatty alcohols and / or Guerbet alcohols with aromatic carboxylic acids, especially benzoic acid, esters of C 2 -C 12 dicarboxylic acids with linear or branched alcohols with 1 to 22 carbon atoms or polyols with 2 to 10 carbon atom
  • Finsolv® TN linear or branched, symmetrical or unsymmetrical dialkyl ethers with 6 to 22 carbon atoms per alkyl group, ring opening products of epoxidized fatty acid esters with polyols, silicone oils and / or aliphatic or naphthenic Hydrocarbons, such as squalane, squalene or dialkylcyclohexanes.
  • the anionic polymers have the task of forming membranes with the chitosans. Salts of alginic acid are preferably suitable for this purpose.
  • Alginic acid is a mixture of carboxyl-containing polysaccharides with the following idealized monomer unit:
  • the average molecular weight of the alginic acids or alginates is in the range from 150,000 to 250,000.
  • Salts of alginic acid are both their complete and also to understand their partial neutralization products, in particular the alkali salts and including preferably the sodium alginate ("Algin") and the ammonium and alkaline earth metal salts.
  • Mixed alginates such as e.g. Sodium / magnesium or sodium / calcium alginates
  • anionic chitosan derivatives e.g. Carboxylation and above all Succinylation products in question.
  • poly (meth) acrylates with average Molecular weights in the range of 5,000 to 50,000 daltons as well as the various Carboxymethyl celluloses in question.
  • anionic polymers for the formation of the envelope membrane also anionic surfactants or low molecular weight inorganic ones Salts such as pyrophosphates can be used.
  • the adducts of ethylene oxide and / or of propylene oxide with fatty alcohols, fatty acids, alkylphenols or with castor oil are known, commercially available products. These are mixtures of homologs, the average degree of alkoxylation of which is the ratio of the amounts of ethylene oxide and / or propylene oxide and substrate, with which the addition reaction is carried out.
  • C 12/18 fatty acid monoesters and diesters of adducts of ethylene oxide with glycerol are known as refatting agents for cosmetic preparations.
  • Alkyl and / or alkenyl oligoglycosides their preparation and their use are out known in the art. They are manufactured in particular through implementation of glucose or oligosaccharides with primary alcohols with 8 to 18 carbon atoms.
  • glycoside residue both monoglycosides in which a cyclic sugar residue is glycosidically bound to the fatty alcohol, as well as oligomeric Glycosides with a degree of oligomerization up to preferably about 8 are suitable.
  • the degree of oligomerization is a statistical mean, one for such technical products are based on the usual homolog distribution.
  • Typical examples of suitable partial glycerides are hydroxystearic acid monoglyceride, Hydroxystearic acid diglyceride, isostearic acid monoglyceride, isostearic acid diglyceride, Oleic acid monoglyceride, oleic acid diglyceride, ricinoleic acid moglyceride, ricinoleic acid diglyceride, Linoleic acid monoglyceride, linoleic acid diglyceride, linolenic acid monoglyceride, Linolenic acid diglyceride, erucic acid monoglyceride, erucic acid diglyceride, tartaric acid monoglyceride, Tartaric acid diglyceride, citric acid monoglyceride, citric diglyceride, Malic acid monoglyceride, malic acid diglyceride and their technical mixtures, the subordinate from the manufacturing process still contain small amounts of triglyceride can. Addition products of 1 to 30
  • polyglycerol esters are polyglyceryl-2 dipolyhydroxystearates (Dehymuls® PGPH), polyglycerol-3-diisostearate (Lameform® TGI), polyglyceryl-4 Isostearate (Isolan® GI 34), Polyglyceryl-3 Oleate, Diisostearoyl Polyglyceryl-3 Diisostearate (Isolan® PDI), Polyglyceryl-3 Methylglucose Distearate (Tego Care® 450), Polyglyceryl-3 Beeswax (Cera Bellina®), Polyglyceryl-4 Caprate (Polyglycerol Caprate T2010 / 90), polyglyceryl-3 cetyl ether (Chimexane® NL), polyglyceryl-3 Distearate (Cremophor® GS 32) and Polyglyceryl Polyricinoleate (Admul® WOL 1403) Polyglyceryl Dimerate
  • polyol esters are those optionally with 1 to 30 moles of ethylene oxide implemented mono-, di- and triesters of trimethylolpropane or pentaerythritol with Lauric acid, coconut fatty acid, tallow fatty acid, palmitic acid, stearic acid, oleic acid, behenic acid and the same.
  • Typical anionic emulsifiers are aliphatic fatty acids with 12 to 22 carbon atoms, such as palmitic acid, stearic acid or behenic acid, and dicarboxylic acids with 12 to 22 carbon atoms, such as azelaic acid or Sebacic acid.
  • Zwitterionic surfactants can also be used as emulsifiers.
  • Zwitterionic surfactants are surface-active compounds that contain at least one quaternary ammonium group and at least one carboxylate and one sulfonate group in the molecule.
  • Particularly suitable zwitterionic surfactants are the so-called betaines such as the N-alkyl-N, N-dimethylammonium glycinate, for example the coconut alkyldimethylammonium glycinate, N-acylaminopropyl-N, N-dimethylammonium glycinate, for example the coconut acylaminopropyldimethylammonium glycinate, and 2-alkyl-3-carboxyimide-3-carboxylimide each with 8 to 18 carbon atoms in the alkyl or acyl group and the cocoacylaminoethylhydroxyethylcarboxymethylglycinate.
  • betaines such as the N-alkyl-N, N-dimethylammonium glycinate, for example the coconut alkyldimethylammonium glycinate, N-acylaminopropyl-N, N-dimethylammonium glycinate, for example the
  • fatty acid amide derivative known under the CTFA name Cocamidopropyl Betaine is particularly preferred.
  • Suitable emulsifiers are ampholytic surfactants.
  • Ampholytic surfactants are surface-active compounds which, in addition to a C 8/18 alkyl or acyl group, contain at least one free amino group and at least one -COOH or -SO 3 H group in the molecule and are capable of forming internal salts.
  • ampholytic surfactants are N-alkylglycine, N-A1-alkylpropionic acid, N-alkylaminobutyric acid, N-alkyliminodipropionic acid, N-hydroxyethyl-N-alkylamidopropylglycine, N-alkyltaurine, N-alkylsarcosine, 2-alkylaminopropionic acid and alkylaminoacetic acid each with about 8 to 18 carbon atoms in the alkyl group.
  • Particularly preferred ampholytic surfactants are N-coconut alkylaminopropionate, coconut acylaminoethylaminopropionate and C 12/18 acyl sarcosine.
  • cationic surfactants are also suitable as emulsifiers, those of the esterquat type, preferably methylquaternized difatty acid triethanolamine ester salts, being particularly preferred.
  • the microcapsules are usually prepared in a 1 to 10, preferably 2 to 5% by weight aqueous solution of the gel former, preferably the agar, and heated this under reflux. At boiling point, preferably at 80 to 100 ° C, a second added aqueous solution, which the chitosan in amounts of 0.1 to 2, preferably 0.25 to 0.5% by weight and the active ingredients in amounts of 0.1 to 25 and in particular 0.25 contains up to 10% by weight; this mixture is called the matrix.
  • the loading of the microcapsules with active ingredients can therefore also 0.1 to 25 wt .-% based on the capsule weight be.
  • water-insoluble constituents for example inorganic pigments
  • inorganic pigments for example inorganic pigments
  • emulsifying or dispersing the active ingredients be to add emulsifiers and / or solubilizers to the matrix.
  • the matrix After making the matrix of gelling agent, chitosan and active ingredients, the matrix can optionally in one Oil phase under strong shear can be very finely dispersed in the subsequent encapsulation to produce particles as small as possible. It has proven to be particularly advantageous proven to heat the matrix to temperatures in the range of 40 to 60 ° C during the oil phase is cooled to 10 to 20 ° C.
  • the matrix optionally dispersed in the oil phase at a temperature in the range from 40 to 100, preferably 50 to 60 ° C with an aqueous, about 1 to 50 and preferably Treat 10 to 15% by weight aqueous solution of the anion polymer and thereby - if necessary - remove the oil phase at the same time or subsequently.
  • the resulting aqueous preparations usually have a microcapsule content in the range of 1 to 10% by weight.
  • the solution of the Polymer contains other ingredients, such as emulsifiers or preservatives.
  • microcapsules After filtration, microcapsules are obtained which have an average diameter in Have a range of preferably about 1 mm. It's a good idea to sift the capsules, to ensure a size distribution that is as even as possible.
  • the microcapsules thus obtained can have any shape in the production-related frame, they are however, preferably approximately spherical.
  • the anion polymers can also be used to prepare the matrix and encapsulate it with the chitosans.
  • an O / W emulsion is first prepared, which in addition to the oil body, water and Active ingredients contain an effective amount of emulsifier. This is used to manufacture the matrix Preparation with vigorous stirring with an appropriate amount of an aqueous anion polymer solution added.
  • Polysaccharides in particular Xanthan gum, guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and Hydroxyethylcellulose, higher molecular weight polyethylene glycol mono- and diesters of fatty acids, Polyacrylates, polyacrylamides and the like can still be supported. Finally the microcapsules are removed from the aqueous phase, for example by decanting, Filter or centrifuge separated.
  • the liquid phase is first mixed with the Load microcapsules.
  • the mixture is then enclosed in the polymer shell using machines specially designed for this purpose. They usually have Portion bags have a weight of 1 to 10 and in particular 2 to 5 g.
  • the dimensions can be between 1 ⁇ 1 to 5 ⁇ 5 cm, the sachets are square, round or can be oval shaped.
  • Another object of the present invention relates to the use of microencapsulated Active ingredients for the production of portioned liquid detergents and cleaning agents, which are, for example, liquid detergents, dishwashing detergents, universal cleaners or finishing agent.
  • the microcapsules can - based on the portioned preparations - in amounts of 0.1 to 10, preferably 1 to 8 and in particular 3 to 5 wt .-% are used.

Landscapes

  • 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)
  • Dispersion Chemistry (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
EP02015053A 2002-07-05 2002-07-05 Détergents liquides en portions Withdrawn EP1378564A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02015053A EP1378564A1 (fr) 2002-07-05 2002-07-05 Détergents liquides en portions
PCT/EP2003/006733 WO2004005448A1 (fr) 2002-07-05 2003-06-26 Preparations dosees d'agent detergent ou nettoyant liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02015053A EP1378564A1 (fr) 2002-07-05 2002-07-05 Détergents liquides en portions

Publications (1)

Publication Number Publication Date
EP1378564A1 true EP1378564A1 (fr) 2004-01-07

Family

ID=29719730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02015053A Withdrawn EP1378564A1 (fr) 2002-07-05 2002-07-05 Détergents liquides en portions

Country Status (2)

Country Link
EP (1) EP1378564A1 (fr)
WO (1) WO2004005448A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005107710A3 (fr) * 2004-05-06 2007-01-25 Ivrea Pharmaceuticals Inc Particules pour la liberation d'agents actifs
WO2008063468A3 (fr) * 2006-11-13 2008-07-10 Procter & Gamble Sachet de détergent hydrosoluble
WO2009095816A1 (fr) * 2008-01-31 2009-08-06 The Procter & Gamble Company Acétylation de chitosane
WO2018041262A1 (fr) * 2016-09-05 2018-03-08 广东聚益新材有限公司 Sac de courses soluble dans l'eau et son procédé de fabrication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016096323A1 (fr) * 2014-12-19 2016-06-23 Henkel Ag & Co. Kgaa Composition de détergent liquide nacré
CN117384711A (zh) * 2023-09-21 2024-01-12 广东聚石科技研究院有限公司 一种流变剂及其制备方法、日化用品

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115292A (en) * 1977-04-20 1978-09-19 The Procter & Gamble Company Enzyme-containing detergent articles
US4929380A (en) * 1986-06-27 1990-05-29 Henkel Kommanditgesellschaft Aug Aktien Process for the preparation of a storage-stable liquid detergent composition
EP1064913A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064910A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064911A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064912A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1129771A1 (fr) * 2000-03-04 2001-09-05 Primacare S.A. Microcapsules
WO2002057402A1 (fr) * 2001-01-19 2002-07-25 The Procter & Gamble Company Composition liquide contenue dans un sachet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115292A (en) * 1977-04-20 1978-09-19 The Procter & Gamble Company Enzyme-containing detergent articles
US4929380A (en) * 1986-06-27 1990-05-29 Henkel Kommanditgesellschaft Aug Aktien Process for the preparation of a storage-stable liquid detergent composition
EP1064913A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064910A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064911A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1064912A1 (fr) * 1999-07-02 2001-01-03 Primacare S.A. Microcapsules
EP1129771A1 (fr) * 2000-03-04 2001-09-05 Primacare S.A. Microcapsules
WO2002057402A1 (fr) * 2001-01-19 2002-07-25 The Procter & Gamble Company Composition liquide contenue dans un sachet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005107710A3 (fr) * 2004-05-06 2007-01-25 Ivrea Pharmaceuticals Inc Particules pour la liberation d'agents actifs
WO2008063468A3 (fr) * 2006-11-13 2008-07-10 Procter & Gamble Sachet de détergent hydrosoluble
WO2009095816A1 (fr) * 2008-01-31 2009-08-06 The Procter & Gamble Company Acétylation de chitosane
JP2011511123A (ja) * 2008-01-31 2011-04-07 ザ プロクター アンド ギャンブル カンパニー キトサンのアセチル化
WO2018041262A1 (fr) * 2016-09-05 2018-03-08 广东聚益新材有限公司 Sac de courses soluble dans l'eau et son procédé de fabrication
GB2568639A (en) * 2016-09-05 2019-05-22 Polye Mat Co Ltd Water-soluble shopping bag and preparation method therefor
US10954372B2 (en) 2016-09-05 2021-03-23 Polye Materials Co., Ltd. Water soluble shopping bag and preparation method thereof
GB2568639B (en) * 2016-09-05 2021-07-28 Polye Mat Co Ltd Water-soluble shopping bag and preparation method therefor

Also Published As

Publication number Publication date
WO2004005448A1 (fr) 2004-01-15

Similar Documents

Publication Publication Date Title
EP1064911B1 (fr) Microcapsules
EP1064912B1 (fr) Microcapsules
EP1064913B1 (fr) Microcapsules
EP1064910B1 (fr) Microcapsules
EP1247568A1 (fr) Microcapsules (XIII)
EP1243323B1 (fr) Nanocapsules
EP1243320B1 (fr) Microcapsules (VIII)
EP1077060A1 (fr) Compositions cosmétiques contenant des microcapsules de chitosane
EP1359212B1 (fr) Preparations tensioactives comprenant des ingredients actifs micro-encapsules
EP1184027A1 (fr) Composition pour baton applicateur cosmetique
EP1243318B1 (fr) Microcapsules (VII)
EP1243321A1 (fr) Microcapsules (IX)
EP1449912B1 (fr) Compositions aqueuses contenant des matières actives microencapsulées
EP1378564A1 (fr) Détergents liquides en portions
EP1359213B1 (fr) Compositions tensioactives aqueuses
EP1167618A1 (fr) Agent auxiliaire pour textiles
EP1413298A1 (fr) Macrocapsules
EP1358876B1 (fr) Microcapsules contenant des actifs antiacneiques
DE10213031A1 (de) Verwendung von Extrakten des Olivenbaumes in Wasch-, Spül- und Reinigungsmitteln
EP1243322A1 (fr) Microcapsules (X)
EP1243324B1 (fr) Microcapsules (XII)
EP1449911B1 (fr) Compositions aqueuses contenant des matières actives microencapsulées
EP1243247A1 (fr) Emulsions tu type W/O ou O/W/O comprenant des microcapsules constituées d'agents actifs et d'hétéropolysaccharides ou de protéines thermogélifiables
EP1462013A1 (fr) Microcapsules faites d'une matrice contenant de l'hydroxytyrosol et qui est recouverte
EP1243319A1 (fr) Microcapsules (XI)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20020705

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COGNIS IP MANAGEMENT GMBH

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060201