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EP2240565A1 - Agents de lavage et de nettoyage avec des particules poreuses de polyamide - Google Patents

Agents de lavage et de nettoyage avec des particules poreuses de polyamide

Info

Publication number
EP2240565A1
EP2240565A1 EP09710225A EP09710225A EP2240565A1 EP 2240565 A1 EP2240565 A1 EP 2240565A1 EP 09710225 A EP09710225 A EP 09710225A EP 09710225 A EP09710225 A EP 09710225A EP 2240565 A1 EP2240565 A1 EP 2240565A1
Authority
EP
European Patent Office
Prior art keywords
weight
amounts
composition according
average particle
polyamide particles
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Withdrawn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
EP09710225A
Other languages
German (de)
English (en)
Inventor
Bruce Cox
Bernhard Banowski
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
Priority claimed from DE200810009457 external-priority patent/DE102008009457A1/de
Priority claimed from DE200810009462 external-priority patent/DE102008009462A1/de
Priority claimed from DE200810009456 external-priority patent/DE102008009456A1/de
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2240565A1 publication Critical patent/EP2240565A1/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Withdrawn legal-status Critical Current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
    • 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
    • C11D3/3719—Polyamides or polyimides
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Definitions

  • the present invention relates to washing and cleaning agents containing porous polyamide particles, in particular to laundry detergents. It further relates to a textile washing process and the use of porous polyamide particles in laundry detergents.
  • detergents and cleaners which contain particulate carriers which are capable of holding and, depending on the application, storing liquids, especially perfume oils, preferably one longer period of time to deliver again.
  • This object has been surprisingly achieved by the subject matter of the invention, namely a washing or cleaning agent containing a) surfactant (s) and / or builders, b) 0.0001 to 10 wt .-% fragrances), c) 0.1 to 10 Wt .-% spherical porous polyamide particles, which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • porous polyamide particles is disclosed, for example, in Japanese Patent Laid-Open Publication No. 2002-80629.
  • compositions of the invention contain spherical porous polyamide particles, which a number average particle diameter of 1 to 30 ⁇ m,
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • the spherical porous polyamide particles to be used according to the invention can advantageously be incorporated without difficulty into various detergent and cleaning agent matrices, even incorporated into liquid matrices.
  • the preparation of such spherical porous polyamide particles can generally be accomplished by mixing a solution of polyamide in a suitable solvent and a liquid phase in which polyamides are insoluble.
  • the liquid phase is water-based, whereby it can be achieved by suitable further solvents that when mixing the liquids first of all a clear solution is formed, from which the polyamide particles precipitate.
  • mixing ratios of polyamide solution to liquid phase of from 1 to 999 to 300 to 700, preferably from 2 to 998 to 250 to 750, have proven useful in the production.
  • Polyamide solutions can be provided, for example, with the solvents o-cresol, m-cresol, p-cresol, chlorophenol, phenol or mixtures thereof.
  • Formic acid has also proven itself.
  • the liquid phase in which polyamides are insoluble is preferably miscible with the aforementioned solvents and, moreover, water-miscible.
  • Preferred liquid phases are aliphatic alcohols, aliphatic ketones and mixtures of these. Methanol, ethanol, n-propanol, isopropanol, acetone, methyl ethyl ketone, methyl isopropyl ketone, methyl isobutyl ketone and mixtures of these have proven particularly useful.
  • liquid phase Preferably, mixtures of 10 to 98% by weight of aliphatic alcohols and / or ketones with 2 to 90% by weight of water can be used as the liquid phase from which the polyamide particles precipitate.
  • the liquid phase may contain high molecular weight polyalkylene glycols, e.g. PEG or PPG, in amounts of 0.5 to 10 wt .-% (based on the liquid phase).
  • the order of mixing is not critical to the manufacturing process. In preferred method
  • Aliphatic alcohols and / or ketones and water are simultaneously but separately added to a polyamide solution or a previously prepared mixture of aliphatic alcohols and / or ketones and water is added to a polyamide solution or
  • Aliphatic alcohols and / or ketones are added to a polyamide solution, after which water is added or
  • a polyamide solution is added to a previously prepared mixture of aliphatic alcohols and / or ketones and water or
  • the formation of the porous polyamide particles by precipitation takes place within one second up to two hours and can be assisted by stirring.
  • the mixing of the liquid and formation of the particles at temperatures of from 5 to 7O 0 C is carried out, particularly preferably at 15 to 6O 0 C.
  • the polyamide particles can be easily separated from the solvent mixture by decantation, filtration or centrifugation. This is preferably followed by washing with methanol and / or acetone and drying in vacuo.
  • Very particularly preferred processes for the preparation use a solution of polyamide 11 and / or polyamide 12 in phenol, which contains 0.1 to 50 wt .-% Polymaid (e) based on their weight.
  • a liquid phase in such preferred method a mixture of ethanol (preferably 50 to 90% by weight, based on the liquid phase), ethylene glycol (preferably 1 to 10 wt .-%, based on the liquid phase) and glycerol (preferably 1 to 12% by weight, based on the liquid phase).
  • the polyamide solution in phenol preferably 30 to 70 wt .-%, based on the mixture
  • the liquid phase preferably 40 to 65 wt .-%, based on the mixture
  • polyethylene glycol and / or polypropylene glycol having molecular weights> 1000 daltons preferably 0.5 to 10 wt .-%, based on the mixture
  • This mixture which ideally has a viscosity below 200 Pas is stirred at 20 to 8O 0 C, preferably at 25 to 65 0 C for 30 to 60 minutes.
  • the spherical porous polyamide particles produced by the processes described above usually have number-average particle diameters of 0.1 to 100 .mu.m, preferably from 0.3 to 50 .mu.m, in particular from 0.5 to 25 microns.
  • the spherical porous polyamide particles have a BET specific surface area (according to DIN 66131) of 5 m 2 / g or more.
  • Particularly preferred particles have a BET specific surface area (according to DIN 66131) of 5 to 80 m 2 / g, preferably of 6 to 60 m 2 / g and in particular of 7.5 to 50 m 2 / g.
  • Very particularly preferred compositions according to the invention are characterized in that the spherical porous polyamide particles have a BET specific surface area (according to DIN 66131) of 6 m 2 / g or more, preferably 7 m 2 / g or more and in particular 8 m 2 / g or more.
  • the spherical porous polyamide particles have an average pore diameter of 0.01 to 0.20 .mu.m, preferably 0.02 to 0.1 ⁇ m and a crystallinity (DSC measurement) of 40% or greater.
  • the standard enthalpy (or specific heat of fusion) of the spherical porous polyamide particles is measured by DSC.
  • the sample is heated under nitrogen atmosphere from room temperature (2O 0 C) starting with a temperature increase rate of 5 ° C / min.
  • the standard enthalpy is calculated from the area of the heat absorption peak between 12O 0 C and 23O 0 C.
  • the crystallinity of the spherical porous polyamide particles is the quotient of the measured specific heat of fusion and the standard enthalpy of crystalline polyamide, the latter for polyamide 12 being 209 J / g.
  • preferred agents are those in which the spherical porous polyamide particles have an oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more, preferably 170 ml / 100 g or more.
  • the polyamide particles contained in the agents according to the invention can preferably be loaded with a liquid, preferably comprising i. Fragrances (perfume oils) ii. liquid detergent ingredients, such as preferably surfactants, in particular nonionic surfactants, silicone oils, paraffins iii. liquid non-pharmaceutical additives or agents, e.g. Oils such as almond oil,
  • fragrances perfume oils
  • the loading of the polyamide particles can be done, for example, by simply mixing the polyamide particles with the desired amount of the desired liquid, eg perfume oil.
  • fragrances or perfume oils all known substances and mixtures can be used.
  • fragment (s) and perfume oil (s) are used synonymously. This means, in particular, all those substances or mixtures thereof that are perceived by humans and animals as odor, in particular perceived by humans as a fragrance.
  • perfume oils for example, individual fragrance compounds, e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. Fragrance compounds of the ester type are known e.g.
  • the ethers include e.g. Benzyl ethyl ether, to the aldehydes e.g.
  • mixtures of different fragrances are used, which together produce an attractive fragrance.
  • the perfume oils may, of course, also contain natural fragrance mixtures, such as are available from plant or animal sources, e.g. Pine, citrus, jasmine, lily, rose or ylang-ylang oil.
  • the polyamide particles, in particular the liquid contained therein, may preferably also contain one or more (preferably liquid) skin-care and / or skin-protecting active substances.
  • Skin-care active substances are all those active substances which give the skin a sensory and / or cosmetic advantage.
  • Skin-care active substances are preferably selected from the following substances: a) waxes such as, for example, carnauba, spermaceti, beeswax, lanolin and / or derivatives thereof and others.
  • Hydrophobic plant extracts c) Hydrocarbons such as squalene and / or squalanes
  • Hydrocarbons such as squalene and / or squalanes
  • Higher fatty acids preferably those having 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 other.
  • Higher fatty alcohols preferably those having 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 such as cetyloctanoates, lauryl lactates, myristyl lactates, cetyl lactates, isopropyl myristates, myristyl myristates, isopropyl palmitates, isopropyl adipates, butyl stearates, decyloleates, cholesterol stearates, glycerol monostearates, glycerol distearates, glycerol tristearates, alkyl lactates, alkyl citrates and / or alkyl tartrates and others , g) lipids such as cholesterol, ceramides and / or sucrose esters and others. h) vitamins such as vitamins A, C and E, vitamin C esters, including vitamin C
  • the polyamide particles of the invention may advantageously contain very large quantities of liquids, e.g. Perfume oils, absorb and still remain free-flowing.
  • the polyamide particles may e.g. readily up to 100% by weight (and beyond) of perfume, wt% based on the original polyamide particles without liquid loading, yet remaining free flowing. It can also achieve higher loads while maintaining good powder properties.
  • the loading of the polymer particles with liquid, in particular perfume oil is freely adjustable.
  • the polyamide particles may e.g.
  • the polyamide particles can also be loaded with even greater amounts, e.g. with at least 60 wt .-%, 70 wt .-%, 80 wt .-% or 90 wt .-% of a liquid, in particular perfume oil, are loaded, wt .-% based on the original polyamide particles without loading with liquid.
  • the polyamide particles may even be loaded with even greater amounts, e.g. at least 100 wt .-%, 120 wt .-% or 150 wt .-% of a liquid, in particular perfume oil, are loaded, wt .-% based on the original polyamide particles without loading with liquid.
  • detergents or cleaning agents in the context of this invention includes in particular a) the laundry detergents, b) the textile aftertreatment agents (such as softeners, conditioning wipes, etc.) and c) the cleaners, especially hard surface cleaners (such as preferably all-purpose cleaners and specialty cleaners, such as eg dishwashing detergent, toilet cleaner) and the cleaning aids.
  • the preparation of the compositions according to the invention is preferably based on the needs of the intended use. Agents of the invention may therefore be in solid, semi-solid, liquid, disperse, emulsified, suspended or gel form.
  • Solid and liquid agents may, for example, be packaged in sachets or (preferably self-dissolving) sachets (pouches), especially in multi-chamber pouches.
  • the term liquid also includes any solid dispersions in liquids.
  • Compositions according to the invention may also be present as pastes, lotions or creams.
  • Solid agents may be present, for example, as free-flowing powders, as flakes, as solid blocks, as pieces (eg soap bars), as spheres or sticks or tablets, in particular multi-layered tablets.
  • Inventive liquid agents may also be multi-phase, the phases may for example be arranged horizontally, ie one above the other, or vertically, so next to each other, be arranged.
  • washing or cleaning agent is a textile washing agent
  • a preferred embodiment of the invention is present.
  • a laundry detergent comprising a) surfactant (s) and / or builders, b) from 0.0001 to 10% by weight odoriferous substances), c) from 0.1 to 10% by weight of spherical porous polyamide particles which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • a particular advantage of a laundry detergent according to the invention is e.g. in that the polyamide particles contained in it can be applied to the laundry to be washed in the textile washing, and thereafter slowly and over a prolonged period, the liquid incorporated in them, for. B. can release a perfume oil. This allows an often sought-after "slow-release” effect or "long-lasting” effect. The washed laundry smells evenly over a longer period of time. Likewise, other incorporated liquids, such as e.g. skin-care oils or other active ingredients, released in a sustained release. In addition, the polyamide particles, especially after deposition on the laundry, adsorb bad odors.
  • the textile detergent according to the invention anionic, nonionic and / or cationic surfactants, in particular a mixture of anionic and nonionic Containing surfactants, wherein the total composition preferably contains 0.1 to 50 wt .-%, in particular 10 wt .-% to 40 wt .-% surfactant.
  • usable surfactants are described in more detail below.
  • the textile detergent according to the invention contains alkylbenzenesulfonate, preferably linear alkylbenzenesulfonate (LAS), advantageously in amounts of 0.1-25% by weight, more preferably 1-20% by weight, for example in amounts of 5-15 Wt .-%, based on the total agent.
  • alkyl sulfate in particular C 2 -C 8 fatty alcohol sulfate contains, advantageously in amounts of 0.1 - 25 wt%, more advantageously 1- 20% by weight, for example in amounts of 5-15 wt .-%.
  • Based on the total agent so is a preferred embodiment of the invention.
  • Suitable anionic surfactants which may also be used are e.g. Alkanesulfonates (eg C13-C18 secondary alkanesulfonate), methyl ester sulfonates (eg ⁇ -C12-C18 methyl ester sulfonate) and ⁇ -olefin sulfonates (eg ⁇ -C14-C18 olefin sulfonate) and alkyl ether sulfates (eg C12-C14 fatty alcohol 2EO ether sulfate) and / or soaps.
  • FAS and / or LAS are particularly suitable.
  • the anionic surfactants may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
  • the anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
  • the textile detergent according to the invention comprises nonionic surfactant, in particular alkoxylated fatty alcohol, in particular in amounts of 0.01-30% by weight, based on the total agent, then again a preferred embodiment of the invention is present wherein the combined use of alkylbenzenesulfonate with nonionic surfactant is very particularly preferred.
  • nonionic surfactants are alkylphenol polyglycol ethers (APEO), (ethoxylated) sorbitan fatty acid esters (sorbitans), alkyl polyglucosides (APG), fatty acid glucamides, fatty acid ethoxylates, amine oxides, ethylene oxide-propylene oxide block polymers, polyglycerol fatty acid esters and / or fatty acid alkanolamides.
  • APEO alkylphenol polyglycol ethers
  • APG alkyl polyglucosides
  • fatty acid glucamides fatty acid ethoxylates
  • amine oxides amine oxides
  • ethylene oxide-propylene oxide block polymers polyglycerol fatty acid esters and / or fatty acid alkanolamides.
  • Sugar-based nonionic surfactants, in particular APG are particularly preferred.
  • the laundry detergent according to the invention comprises enzymes, preferably amylase, pectinase, carbonic anhydrase, tannase, lipase, mannanase, protease and / or cellulase, advantageously in amounts of 0.0001 - 5% wt .-%, based on the total agent.
  • a suitable minimum amount may also be 0.001 wt% or 0.01 wt%, based on the total agent.
  • Preferably usable enzymes are described in more detail below.
  • the textile detergent according to the invention comprises a builder system, preferably a zeolite-containing builder system, preferably comprising zeolite in amounts of> 5% by weight, more preferably> 10% by weight, more preferably> 15% by weight, especially> 20 wt .-%, wt .-% based on the total Medium.
  • a reasonable upper limit of zeolite may be, for example, 60% by weight, 50% by weight or 40% by weight, based on the total agent. This corresponds to a preferred embodiment of the invention.
  • the term "builder system” also includes those "systems" which consist only of a single builder, such as zeolite.
  • the textile detergent according to the invention contains a soluble builder system, preferably comprising soda, silicate, citrate and / or polycarboxylates, advantageously in amounts of from 0.1 to 50% by weight, based on the total agent. This corresponds to a preferred embodiment of the invention. If such a soluble builder system is present, it is highly preferred if only small amounts of insoluble builders, such as in particular zeolite, for example ⁇ 5 wt .-% to 0.1 wt .-% are included, especially in such case no insoluble builder is included.
  • the textile detergent according to the invention comprises a phosphate-containing builder system, wherein phosphate is preferably present in amounts of 1-40% by weight, in particular 5-30% by weight, based on the total agent.
  • the laundry detergent according to the invention is free of phosphates.
  • the laundry detergent according to the invention can be in liquid or solid form, but preferably in solid form, in particular it can be powdery or granular, advantageously in the form of a shaped body, in particular in tablet form.
  • the textile laundry detergent according to the invention is characterized according to a further preferred embodiment of the invention in that the spherical porous polyamide particles contained are loaded with a liquid, preferably a hydrophobic liquid, in particular comprising fragrances.
  • the textile laundry detergents according to the invention which can be in the form of, in particular, pulverulent solids, in post-compacted particulate form, as homogeneous solutions or suspensions, can furthermore in principle contain all known ingredients customary in such compositions.
  • the agents according to the invention can, as has already been shown, in particular builder substances, surface-active surfactants, bleaching agents, bleach activators, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators and other auxiliaries, such as optical brighteners, fluorescers, grayness inhibitors, anti-shrinkage agents, anti-crease agents , Color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing aids, repellents and impregnating agents, swelling and anti-slip agents, neutral filler salts and UV absorbers, foam regulators and colorants and fragrances.
  • surface-active surfactants such as surface-active surfactants, bleaching agents, bleach activators, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators and other auxiliaries, such as optical brighteners, fluorescers, grayness inhibitors,
  • the textile detergents according to the invention preferably comprise, as already described, one or more surfactants, in particular anionic surfactants, nonionic surfactants and mixtures thereof, but also cationic, zwitterionic and amphoteric surfactants.
  • a textile detergent according to the invention may preferably contain at least one water-soluble and / or water-insoluble, organic and / or inorganic builder. Builders may preferably be present in the laundry detergents according to the invention in amounts of up to 75% by weight, in particular 5% by weight to 50% by weight, based on the total agent.
  • Suitable bleaching agents for use in laundry detergents according to the invention are e.g. Peroxygen compounds such as in particular organic peracids or pers acidic salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdo-decanedioic acid, hydrogen peroxide and under the washing conditions hydrogen peroxide donating inorganic salts, which include perborate, percarbonate, persilicate and / or persulfate such as caroate into consideration. If solid peroxygen compounds are to be used, they can be used in the form of powders or granules, which can also be enveloped in a manner known in principle.
  • Peroxygen compounds such as in particular organic peracids or pers acidic salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdo-decanedioic acid, hydrogen peroxide and under the washing conditions hydrogen peroxide donating inorgan
  • an agent according to the invention contains peroxygen compounds, they are present in amounts of preferably up to 50% by weight, in particular from 5% by weight to 30% by weight.
  • bleach stabilizers such as phosphonates, borates or metaborates and metasilicates and magnesium salts such as magnesium sulfate may be useful.
  • bleach activators it is possible to use compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid.
  • Suitable substances are those which carry O- and / or N-acyl groups of the stated C atom number and / or optionally substituted benzoyl groups.
  • Preference is given to polyacylated alkylenediamines, in particular tetraacetylethylenediamine (TAED).
  • usable organic solvents in addition to water include alcohols having 1 to 4 carbon atoms, in particular methanol, ethanol, isopropanol and tert-butanol, diols having 2 to 4 C. -Atomen, in particular ethylene glycol and propylene glycol, and mixtures thereof and derived from the classes of compounds mentioned ether.
  • Such water-miscible solvents are preferably present in the compositions according to the invention preferably in amounts of not more than 30% by weight, in particular from 6% by weight to 20% by weight, optionally.
  • Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of C18-C24 fatty acids.
  • Suitable heavy metal complexing agents are, for example, the alkali metal salts of ethylenediaminetetraacetic acid (EDTA) or nitrilotriacetic acid (NTA) and alkali metal salts of anionic polyelectrolytes such as polymaleates and poly-sulfonates.
  • Solid laundry detergents may additionally be added e.g. contain neutral filler salts such as sodium sulfate.
  • Liquid laundry detergents may additionally comprise e.g. still containing thickening agents, e.g. to set a desired viscosity. Suitable and usable thickeners are also described below in connection with the textile aftertreatment agents. The thickeners mentioned there can also be used in liquid laundry detergents.
  • the preparation of solid laundry detergents according to the invention presents no difficulties and can be carried out in a known manner, for example by spray drying or granulation, with enzymes and any further thermally sensitive ingredients such as, for example, bleaching agents optionally being added separately later.
  • the incorporation of the polyamide particles to be used according to the invention can be carried out e.g. In order to produce compositions of the invention having an increased bulk density, in particular in the range from 650 g / l to 950 g / l, a process comprising an extrusion step is preferred.
  • Liquid or pasty compositions according to the invention in the form of customary solvent-containing solutions are generally prepared by simply mixing the ingredients, which can be added in bulk or as a solution in an automatic mixer.
  • a preferred powdery heavy-duty detergent according to the invention in addition to the polyamide particles according to the invention, may preferably be e.g. Contain components that are selected from the following:
  • Anionic surfactants e.g. Alkyl benzene sulfonate, alkyl sulfate, in amounts of e.g. 0-40 wt .-%, advantageously 5-30 wt .-%, preferably 8-15 wt .-%, in particular 15-20 wt .-%,
  • Nonionic surfactants e.g. Fatty alcohol polyglycol ethers, alkylpolyglucoside, fatty acid glucamide, in amounts of e.g. 0-30% by weight, advantageously 0.1-20% by weight, preferably 2-15% by weight, in particular 6-11% by weight,
  • Builders e.g. Zeolite, polycarboxylate, sodium citrate, in amounts of e.g. 0-70% by weight, advantageously 5-60% by weight, preferably 10-55% by weight, in particular 15-40% by weight,
  • Alkalis e.g. Sodium carbonate
  • Alkalis e.g. Sodium carbonate
  • amounts of e.g. 0-35 wt .-% advantageously 1-30 wt .-%, preferably 2-25 wt .-%, in particular 5-20 wt .-%,
  • Bleaching agents e.g. Sodium perborate, sodium percarbonate, in amounts of e.g. 0-30% by weight, advantageously 5-25% by weight, preferably 10-20% by weight,
  • Corrosion inhibitors for example sodium silicate, in amounts of, for example, 0-10% by weight, advantageously 1-6% by weight, preferably 2-5% by weight, in particular 3-4% by weight, Stabilizers, eg phosphonates, advantageously 0-1% by weight,
  • Foam inhibitor e.g. Soap, silicone oils, paraffins advantageously 0-4 wt.%, Preferably 0.2-3 wt.%, In particular 1-1 wt.
  • Enzymes e.g. Proteases, amylases, cellulases, lipases, advantageously 0-2% by weight, preferably 0.2-1% by weight, in particular 0.3-0.8% by weight,
  • - grayness inhibitor e.g. Carboxymethylcellulose, advantageously 0-1% by weight
  • Discoloration inhibitor e.g. Polyvinylpyrrolidone derivatives, advantageously 0-2% by weight,
  • Optical brighteners e.g. Stilbene derivative, biphenyl derivative, advantageously 0.1-0.3 wt .-%, in particular 0.1-0.4 wt .-%,
  • a preferred, inventive liquid heavy duty detergent can in addition to the inventive
  • Polyamide particles preferably e.g. contain the following components that are selected from the following:
  • Anionic surfactants e.g. Alkyl benzene sulfonate, alkyl sulfate, in amounts of e.g. 0-40 wt .-%, advantageously 5-40 wt .-%, preferably 8-30 wt .-%, in particular 15-25 wt .-%,
  • Nonionic surfactants e.g. Fatty alcohol polyglycol ethers, alkylpolyglucoside, fatty acid glucamide, in amounts of e.g. 0-30% by weight, advantageously 0.1-25% by weight, preferably 5-20% by weight, in particular 10-15% by weight,
  • Builders e.g. Zeolite, polycarboxylate, sodium citrate, advantageously 0-15% by weight, preferably 0.01-10% by weight, in particular 0.1-5% by weight,
  • Foam inhibitor e.g. Soap, silicone oils, paraffins, in amounts of e.g. 0-10 wt .-%, advantageously 0.1-4 wt .-%, preferably 0.2-2 wt .-%, in particular 1-3 wt .-%,
  • Enzymes e.g. Proteases, amylases, cellulases, lipases, in amounts of e.g. 0-3 wt .-%, advantageously 0.1-2 wt .-%, preferably 0.2-1 wt .-%, in particular 0.3-0.8 wt .-%,
  • Optical brighteners e.g. Stilbene derivative, biphenyl derivative, in amounts of e.g. 0-1% by weight, advantageously 0.1-0.3% by weight, in particular 0.1-0.4% by weight,
  • Soap in amounts of, for example, 0-25% by weight, advantageously 1-20% by weight, preferably 2-15% by weight, in particular 5-10% by weight, - Alcohols / solvents, advantageously 0-25 wt .-%, preferably 1-20 wt .-%, in particular 2- 15 wt .-%, wt .-% in each case based on the total agent.
  • Another object of the invention is a textile washing process, using a laundry detergent according to the invention (as described above), wherein the wash temperature ⁇ 6O 0 C, preferably ⁇ 40 0 C is.
  • Another object of the invention is the use of spherical porous polyamide particles, which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • this use is intended for the sustained release of liquid active substances, in particular fragrances, in textile washing.
  • the washing or cleaning agent according to the invention is a textile aftertreatment agent, then another preferred embodiment of the invention is present.
  • a textile aftertreatment agent comprising a) surfactant (s) and / or builders, b) 0.0001 to 10 wt .-% fragrances), c) 0.1 to 10 wt .-% spherical porous polyamide particles, which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • Wt .-% in each case based on the total agent, a preferred embodiment of the invention.
  • the textile aftertreatment agents encompassed by the invention include, in particular, fabric softeners, also called softening agents or fabric conditioners, and corresponding wipes for the dryer application.
  • a particular advantage of a textile aftertreatment agent according to the invention, in particular a fabric softener is, for example, that the polyamide particles contained in it can be applied to the laundry to be washed in the textile washing, and thereafter slowly and over a longer period of time the liquid incorporated in them, e.g. B. can release a perfume oil. This allows an often sought-after "slow-release” effect or "Iong-Iasting” effect. The washed Laundry smells evenly over a longer period of time. Likewise, other incorporated fluids, such as skin-care oils or other active substances can be released in a retarded manner.
  • the polyamide particles especially after deposition on the laundry, adsorb bad odors.
  • the textile aftertreatment agent according to the invention can be present in solid form, preferably in powder or granular form, advantageously in the form of a shaped body, in particular in tablet form, or in liquid form.
  • the textile aftertreatment agent according to the invention can also be a conditioning substrate.
  • Preferred conditioning substrates are so-called dryer sheets, i. Cloths for laundry care in the tumble dryer, which preferably contain a softening component and perfume.
  • the textile aftertreatment agents according to the invention are preferably fabric softeners, ie textile aftertreatment agents which contain a softening component.
  • active ingredients in the fabric softener formulations according to the invention are cationic surfactants, in particular esterquats.
  • Esterquats are quaternary ammonium compounds having preferably two hydrophobic radicals, each containing an ester group as a so-called predetermined breaking point for easier biodegradation.
  • the amount of softening compound preferably 5 to 80 wt .-%, advantageously 6 to 40 wt .-%, more preferably 7 to 20 wt .-% and in particular 8 to 15 wt. -%, in each case based on the total agent, is, so is a preferred embodiment of the invention.
  • a cationic surfactant is present, advantageously a quaternary ammonium compound, in particular esterquat, preferably in amounts of> 0.1 wt .-%, advantageously 1 to 40 wt .-%, in particular 3 to 30 wt .-%, based on the entire means, so is a further preferred embodiment of the invention.
  • After-treatment agents are usually brought into contact with the textiles in the last step of a conventional textile washing process, the rinse cycle.
  • the aftertreatment can also be carried out in the tumble dryer and in particular through the use of the previously mentioned dryer cloths.
  • the softening component includes, for example, quaternary ammonium compounds such as monoalk (en) yltrimethylammonium compounds, dialk (en) yldimethylammonium compounds, mono-, di- or triesters of fatty acids with alkanolamines.
  • Particularly preferred plasticizing components are alkylated quaternary ammonium compounds of which at least one alkyl chain is interrupted by an ester group and / or amido group.
  • N-methyl-N- (2-hydroxyethyl) -N N- (ditallowacyloxyethyl) aminomonine nethanesulfate or bis (palmitoyloxyethyl) -hydroxyethylmethylammoniumninethosulfate.
  • the textile aftertreatment agents may also contain nonionic softening components, especially polyoxyalkylene glycol alkanoates, polybutylenes, long-chain fatty acids, ethoxylated fatty acid ethanolamides, alkyl polyglucosides, in particular sorbitan mono, di- and triesters, and fatty acid esters of polycarboxylic acids,
  • nonionic softening components especially polyoxyalkylene glycol alkanoates, polybutylenes, long-chain fatty acids, ethoxylated fatty acid ethanolamides, alkyl polyglucosides, in particular sorbitan mono, di- and triesters, and fatty acid esters of polycarboxylic acids,
  • the softening component is in amounts of preferably 0.1 to 80 wt .-%, usually 1 to 40 wt .-%, preferably 2 to 20 wt .-% and in particular 3 to 15 wt. -%, in each case based on the entire textile aftertreatment agent.
  • a preferred textile aftertreatment agent especially in the form of a fabric conditioner, contains essential oil and a cationic softening component having two fatty alkyl groups.
  • the cationic softening component functions not only as a fabric softener, but also aids in the deposition of the essential oil on the fabrics.
  • Textile aftertreatment agent an emulsifier, preferably a nonionic surfactant, in particular comprising alkoxylated fatty alcohol and / or alkyl glycoside.
  • the textile aftertreatment agents in particular in the form of
  • Softeners so optionally contain one or more nonionic surfactants, wherein those can be used, which are also commonly used in detergents.
  • the textile aftertreatment agent may further contain at least one aromatherapy component.
  • Aromatherapy component is preferably an essential oil used.
  • Essential oil also falls under the generic term of the fragrances.
  • the amount of essential oil in the textile aftertreatment agent is preferably from 0.0001 to 3% by weight, more preferably from 0.01 to 1% by weight, and most preferably from 0.05 to 0.5% by weight.
  • the textile aftertreatment agents according to the invention are characterized in that the spherical porous polyamide particles contained with a liquid, preferably a hydrophobic liquid, in particular comprising fragrances and / or cosmetic actives, such as nourishing, antibacterial and / or deodorizing substances.
  • a liquid preferably a hydrophobic liquid, in particular comprising fragrances and / or cosmetic actives, such as nourishing, antibacterial and / or deodorizing substances.
  • the textile aftertreatment agents may contain further ingredients which further improve the performance and / or aesthetic properties of the textile aftertreatment agent.
  • preferred textile aftertreatment agents additionally comprise one or more substances from the group of builders, bleaches, bleach activators, enzymes, electrolytes, nonaqueous solvents, pH adjusters, perfumes, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, antiredeposition agents, optical brighteners, grayness inhibitors, anti-shrinkage agents, anti-wrinkling agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing aids, repellents and impregnating agents, swelling and anti-slip agents, neutral filler salts and UV absorbers.
  • a liquid textile aftertreatment agent may contain a thickener.
  • the thickener may include, for example, a polyacrylate thickener, xanthan gum, gellan gum, guar gum, alginate, carrageenan, carboxymethyl cellulose, bentonites, wellan gum, locust bean gum, agar-agar, tragacanth, gum arabic, pectins, polyoses, starch, dextrins, gelatin and casein include.
  • modified natural substances such as modified starches and celluloses, examples which may be mentioned here include carboxymethylcellulose and other cellulose ethers, hydroxyethyl and -propylcellulose and core flour ethers, can be used as thickeners.
  • Non-aqueous solvents that can be used in the liquid textile aftertreatment agents, for example, from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible in the specified concentration range with water.
  • the pH of the liquid textile aftertreatment agent in particular in the form of a fabric conditioner, is preferably between 1 and 6, and preferably between 1, 5 and 3.5.
  • the textile aftertreatment agent contains one or more perfumes in an amount of usually up to 10 wt .-%, preferably 0.01 to 5 wt .-%, in particular 0.05 to 5 wt .-%, particularly preferably 0.1 to 3 wt .-% and most preferably 0.4 to 0.8 wt .-%.
  • the amount of perfume used is also on the type of
  • perfume oils or fragrances for example, individual fragrance compounds, such as the synthetic products of the ester type, ethers, aldehydes, ketones, Alcohols and hydrocarbons are used.
  • mixtures of different fragrances are used, which together produce an attractive fragrance.
  • Perfume oils may also contain natural fragrance mixtures, such as those available from plant sources.
  • Sheets that confer an advantage on contact with skin can be used.
  • the preparation of the textile aftertreatment agents can be obtained by techniques known to those skilled in the art. This can be done, for example, by mixing the raw materials, if necessary
  • the polyamide particles may e.g. be dispersed or mixed in a final step in the otherwise finished product.
  • a preferred textile aftertreatment agent according to the invention comprises, in addition to the polyamide particles according to the invention, in particular a) softening compound, advantageously cationic surfactants, preferably esterquats, advantageously in amounts of 5-30% by weight, for example 10-20% by weight, b) emulsifiers, preferably nonionic surfactants, For example, fatty alcohol ethoxylates, advantageously in amounts of 0-5 wt .-%, for example, 0.1-3 wt .-%.
  • preservatives advantageously in amounts of 0-2% by weight, for example 0.001-0.5% by weight
  • odoriferous substances preferably in amounts of 0-10% by weight or 0-5% by weight , eg 0.01-1% by weight
  • e) dyes advantageously in amounts of 0-0.1% by weight, eg 0.01-0.005% by weight
  • f) optionally water preferably in amounts> 50% by weight or> 60% by weight, for example 70-95% by weight or for example 75-90% by weight.
  • optionally solvents preferably monohydric alcohols, in particular 2-propanol, advantageously in amounts of from 0.05 to 5% by weight, in particular from 0.1 to 4% by weight, in particular from 0.3 to 3% by weight
  • optionally pH-adjusting agent preferably 0.01 to 5 wt .-%, in particular 0.02 to 1 wt .-%
  • optionally electrolytes preferably from the group of inorganic salts, advantageously MgCl 2 or NaCl, 0.01 up to 5% by weight, in particular from 0.05 to 2% by weight
  • optionally skin-care active substances for example almond oil, preferably in an amount of from 0 to 15% by weight.
  • % advantageously 0.1-10% by weight, in particular 0.5-5% by weight
  • optionally thickener e.g. polyacrylate-based, preferably in amounts of 0.01 to 3 wt .-%, in particular 0.1 to 1 wt .-%
  • Another object of the invention is a Textilkonditionier processor using a textile aftertreatment agent according to the invention (as described above) in the rinse of an automatic washing machine.
  • Another object of the invention is a textile conditioning process using a textile aftertreatment agent according to the invention in the form of a conditioning substrate in an automatic clothes dryer.
  • Another object of the invention is the use of an inventive
  • Another object of the invention is the use of spherical porous
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • liquid active substances in particular fragrances
  • textile aftertreatment agents a carrier for liquid active substances, in particular fragrances, in textile aftertreatment agents. If this use is intended for the sustained release of liquid active substances, in particular fragrances, in the treatment of textile fabrics in the context of textile conditioning, a preferred embodiment of the invention is provided. Is the use for finishing textile fabrics with liquid active substances, such as e.g. skin-protecting oils which confer an advantage on contact with the skin, so is also a preferred embodiment of the invention.
  • the washing or cleaning agent according to the invention is a cleaning agent, in particular a hard surface cleaner.
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • cleaners Wt .-% each based on the total agent, a preferred embodiment of this invention.
  • cleaners include hand dishwashing detergents and machine dishwashing detergents.
  • the preferred cleaners include toilet cleaners or toilet cleaners, ie products for cleaning toilet bowls and urinals, which are preferably as powder, tablets, moldings or liquids, preferably gels offered. Also suitable are so-called toilet stones.
  • cleaning detergents also include scent delivery systems comprising a container and particles for deodorizing and scenting the automatic dishwashing machine, these particles comprising perfume-containing, spherical porous polyamide particles which comprise
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • the spherical porous polyamide particles may also contain builders and / or surfactants, as well as other active substances, such as e.g. Dyes, antimicrobials, germicides, fungicides, antioxidants or corrosion inhibitors.
  • the cleaning agent according to the invention is selected from the group of hand dishwashing detergents, machine dishwashing detergents, toilet cleaners or toilet cleaners, pipe cleaners or drain cleaners, universal or all-purpose cleaners, sanitary cleaners, oven cleaners or grill cleaners, metal cleaners Glass cleaner or window cleaner, the cleaning aid, the floor cleaning agent and the special cleaning agent, so is a preferred embodiment of the invention.
  • a detergent according to the invention contains builders, preferably selected from the group of phosphates, carbonates and citrates, wherein the proportion by weight of these builders, based on the total agent, advantageously 1-60 wt .-%, more preferably 2 bis 50 wt .-%, preferably 5 to 40 wt .-% and in particular 10 to 30 Wt .-% is.
  • a cleaning agent according to the invention contains an anionic polymer, advantageously in amounts of 0.2 to 30% by weight, preferably 0.5 to 20% by weight and in particular 1 to 0% by weight. , Wt .-% based on the total agent.
  • anionic polymer used is a copolymer comprising i) unsaturated carboxylic acid (s) ii) sulfonic acid group-containing monomer (s) iii) other nonionic monomer (s), this is again a preferred embodiment of the invention.
  • the cleaning agent according to the invention contains nonionic surfactant and advantageously in amounts of 0.1 to 15 wt .-%, preferably 0.2 to 10 wt .-%, particularly preferably 0.5 to 8 wt .-% and in particular of 1, 0 to 6 wt .-%, wt .-% based on the total agent, so is a further preferred embodiment of the invention.
  • the cleaning agent according to the invention contains enzyme, preferably comprising amylase and / or protease, advantageously in amounts of from 0.1 to 12% by weight, preferably from 0.2 to 10% by weight and in particular from 0.5 to 8% by weight .-% contains, wt .-% based on the total agent, so is a further preferred embodiment of the invention.
  • enzyme preferably comprising amylase and / or protease, advantageously in amounts of from 0.1 to 12% by weight, preferably from 0.2 to 10% by weight and in particular from 0.5 to 8% by weight .-% contains, wt .-% based on the total agent, so is a further preferred embodiment of the invention.
  • the cleaning agent according to the invention contains phosphonate, preferably selected from a) aminotrimethylenephosphonic acid (ATMP) and / or salts thereof; b) ethylenediaminetetra (methylenephosphonic acid) (EDTMP) and / or salts thereof; c) diethylenetriamine penta (methylenephosphonic acid) (DTPMP) and / or salts thereof; d) 1-hydroxyethane-1, 1-diphosphonic acid (HEDP) and / or salts thereof; e) 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC) and / or salts thereof; f) hexamethylenediaminetetra (methylenephosphonic acid) (HDTMP) and / or salts thereof; g) nitrilotri (methylenephosphonic acid) (NTMP) and / or salts thereof, there is a further preferred embodiment of the invention.
  • ATMP aminotrimethylenephosphonic acid
  • ETMP ethylened
  • bleaching agent such as preferably percarbonate
  • the cleaning agent according to the invention is in liquid or solid form, but preferably in solid form, in particular powdery or granular, advantageously in the form of a shaped body, in particular in tablet form, there is likewise a preferred embodiment of the invention.
  • the cleaning agent according to the invention characterized by the fact that the spherical porous polyamide particles contained with a liquid, preferably a hydrophobic liquid, in particular comprising fragrances and / or surface-care, antibacterial and / or deodorants are loaded, so again is a preferred embodiment of the invention.
  • the cleaners according to the invention in particular the dishwashing agents according to the invention, preferably contain washing or cleaning-active ingredients, particular preference being given to substances from the group of builders, surfactants, polymers, bleaches, bleach activators, enzymes, glass corrosion inhibitors, corrosion inhibitors, disintegration aids, fragrances and perfume carriers.
  • detergents in particular automatic dishwasher detergents, which contain from 1 to 35% by weight, preferably from 2.5 to 30% by weight, particularly preferably from 3.5 to 20% by weight and in particular from 5 to 15% by weight Bleaching agent, preferably sodium percarbonate.
  • Enzymes can be used to increase the cleaning performance of cleaning agents. These include in particular proteases, amylases, lipases, hemicellulases, cellulases, perhydrolases or oxidoreductases, and preferably mixtures thereof. These enzymes are basically of natural origin; Starting from the natural molecules, improved variants are available for use in detergents, which are preferably used accordingly.
  • Detergents contain enzymes preferably in total amounts of 1 ⁇ 10 -6 to 5 wt .-% based on active protein.
  • the protein concentration can be determined by known methods, for example the BCA method or the biuret method.
  • Preferred are one or more enzymes and / or enzyme preparations, preferably solid protease preparations and / or amylase preparations, in amounts of 0.1 to 5 wt .-%, preferably from 0.2 to 4.5 wt .-% and in particular from 0.4 to 4 wt .-%, in each case based on the total enzyme-containing agent, optionally used.
  • inventive cleaners such as automatic dishwashing detergent, can be done in different ways.
  • compositions according to the invention can be present in solid or liquid form as well as a combination of solid and liquid forms.
  • Powder, granules, extrudates or compactates, in particular tablets, are particularly suitable as firm supply forms.
  • the liquid supply forms based on water and / or organic solvents may be thickened, in the form of gels.
  • Hand dishwashing detergents which are preferred according to the invention can contain, in addition to the polyamide particles according to the invention, for example: a) surfactants, for example alkanesulfonates, alkyl ether sulfates, alkyl polyglucosides and / or cocoamidopropyl betaine, preferably in amounts of 5-45% by weight, in particular 10-40% by weight, b ) optionally acidulants, such as citric acid for pH adjustment, c) hydrotropes, such as cumene sulfonate, preferably in amounts of 0 to 15, in particular 0.01 to 10 wt .-%, d) backfatters, such as fatty acid amides preferably in amounts of 0 to 3 wt .-%, in particular 0.01 to 3 wt .-%, e) care components, such as Aloe vera extracts, preferably in amounts of 0 to ⁇ 5Gew .-%, in particular 0.001 to ⁇ 3 w
  • fragrances preferably in amounts of 0 to 3 wt .-%, in particular 0.01 to 2 wt .-%, g) optionally dyes h) Antibacterial agents, such as sodium benzoate or sodium salicylate, preferably in amounts of
  • preservatives e.g. in amounts of 0 to 1 wt .-%, in particular 0.001 to 0.5 wt .-%.
  • Machine dishwashing detergents preferred according to the invention can be used in addition to the inventive polyamide particles, e.g. Sodium phosphates, preferably pentasodium triphosphate, phosphonates, citrates, preferably sodium citrate, polycarboxylates, sodium metasilicates, soda, sodium bicarbonate, sodium disilicate, active chlorine, sodium perborate, bleach activator TAED, enzymes, preferably protease and amylase, low-foam nonionic surfactants, silver / glass protection and fragrances.
  • Preferred machine dishwashing detergents may e.g. phosphate-based and highly alkaline or else e.g. phosphate-based and low-alkaline.
  • Other preferred machine dishwashing detergents may be e.g. phosphate-free and low-alkaline.
  • Another object of the invention is a method for cleaning hard surface, using a cleaning agent according to the invention, as described above, in conjunction with water. Another advantage of the invention is that unloaded polyamide particles can also absorb fats and oils in wash water or on surfaces. Another object of the invention is the use of spherical porous polyamide particles, which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • Another object of the invention is the use of spherical porous polyamide particles, which
  • oil absorption capacity (boiled linseed oil) of 160 ml / 100 g or more
  • the two solutions were heated to 3O 0 C, and mixed with stirring for ten minutes and stirred (300 rev / min). Immediately after the completion of the stirring, a viscosity of 36 mPas (3O 0 C) could be measured. The mixture was heated for 24 hours at 3O 0 C. Approximately 90 minutes after completion of the stirring, the mixture became slightly cloudy, and the precipitation of the polyamide particles began.
  • the precipitated particles were separated by filtration and washed with one liter of methanol. The washed particles were dried at 6O 0 C for 12 hours in vacuo.
  • the number average particle diameter was 15.1 ⁇ m; the volume average particle diameter was 15.4 ⁇ m; the particle size distribution index was 1, 02; the specific surface area was measured at 5.4 m 2 / g; the porosity index was 15.1; the average pore diameter was 0.026 ⁇ m, the crystallinity was 69%.
  • the polyamide particles could easily be loaded with large amounts of perfume oil and yet remained free-flowing.
  • the polyamide particles loaded with perfume oil could readily be converted into various detergents and cleaners, e.g. into powdery textile detergents, liquid softeners and liquid all-purpose cleaners.

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  • 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)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne des agents de lavage et de nettoyage avec des particules poreuses de polyamide. Les particules poreuses de polyamide permettent d’accueillir de plus grandes quantités de liquides, par exemple d’huile essentielle. Des substances actives liquides peuvent ainsi être incorporées d’une manière simple dans des agents de lavage et de nettoyage correspondants. Les particules poreuses de polyamide permettent une libération retardée des liquides incorporés.
EP09710225A 2008-02-15 2009-01-15 Agents de lavage et de nettoyage avec des particules poreuses de polyamide Withdrawn EP2240565A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200810009457 DE102008009457A1 (de) 2008-02-15 2008-02-15 Wasch- und Reinigungsmittel mit porösen Polyamidpartikeln
DE200810009462 DE102008009462A1 (de) 2008-02-15 2008-02-15 Wasch- und Reinigungsmittel mit porösen Polyamidpartikeln
DE200810009456 DE102008009456A1 (de) 2008-02-15 2008-02-15 Wasch- und Reinigungsmittel mit porösen Polyamidpartikeln
PCT/EP2009/050399 WO2009100962A1 (fr) 2008-02-15 2009-01-15 Agents de lavage et de nettoyage avec des particules poreuses de polyamide

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EP2240565A1 true EP2240565A1 (fr) 2010-10-20

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DE102008019443A1 (de) * 2008-04-17 2009-10-29 Henkel Ag & Co. Kgaa Farbschützendes Wasch- oder Reinigungsmittel
DE102009004524A1 (de) * 2009-01-09 2010-07-15 Henkel Ag & Co. Kgaa Farbschützendes maschinelles Geschirrspülmittel
FR2944443B1 (fr) * 2009-04-21 2012-11-09 Arkema France Procede de fabrication de particules de poudre libre a base de polyamide impregnee, et particules de poudre libre a base de polyamide ayant une teneur d'au moins 25% en poids d'au moins un agent cosmetique ou pharmaceutique
DE102011100859A1 (de) 2011-05-06 2012-11-08 Buck-Chemie Gmbh Stückförmiges Sanitärmittel
CN102817208B (zh) * 2011-06-09 2017-03-01 塞罗斯有限公司 洗涤用固体颗粒及其洗涤方法
JP2017518873A (ja) 2014-05-28 2017-07-13 ユニリーバー・ナームローゼ・ベンノートシヤープ 基体を処理するための有益送達粒子
KR102399269B1 (ko) * 2016-07-19 2022-05-19 다이셀에보닉 주식회사 폴리아미드 입자 및 그의 제조 방법, 수지 조성물 그리고 성형품
US20190008148A1 (en) * 2017-07-07 2019-01-10 Kenneth George Kusterer Pet Drinking Deterrent
US12180436B2 (en) * 2022-02-03 2024-12-31 The Procter & Gamble Company Laundry care particles having a small variation in average pore radius

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US20110021409A1 (en) 2011-01-27

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