EP1036148B1 - Teppichreinigungspulver mit einer aktivsauerstoffquelle - Google Patents
Teppichreinigungspulver mit einer aktivsauerstoffquelle Download PDFInfo
- Publication number
- EP1036148B1 EP1036148B1 EP98965183A EP98965183A EP1036148B1 EP 1036148 B1 EP1036148 B1 EP 1036148B1 EP 98965183 A EP98965183 A EP 98965183A EP 98965183 A EP98965183 A EP 98965183A EP 1036148 B1 EP1036148 B1 EP 1036148B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- composition according
- composition
- cellulose
- cleaning
- 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.)
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- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
-
- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0031—Carpet, upholstery, fur or leather cleansers
-
- 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
- C11D3/36—Organic compounds containing phosphorus
- C11D3/361—Phosphonates, phosphinates or phosphonites
-
- 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
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
-
- 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
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3942—Inorganic per-compounds
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
Definitions
- the present invention relates to a scatterable agent based on cellulose with a Active oxygen source for dry cleaning textiles, especially carpets.
- adsorbents for cleaning carpets and other textile coverings on the spot, in addition to liquid cleaning agents such as shampoos, powdered cleaning agents are especially used, which are particularly convenient for laypersons.
- Such cleaning powders consist essentially of larger amounts of adsorbents and a cleaning liquid adsorbed thereon, which mostly consists mostly of water.
- the cleaning liquid is assumed to take care of the detachment of the dirt particles from the fibers and their transport to the adsorbent, which is then brushed and / or suctioned off together with the dirt after drying.
- a wide variety of materials have been proposed as adsorbents. Cellulose powders such as are described, for example, in European patent application EP 0 178 566 have recently gained particular importance.
- peroxide-containing bleaching agents for example hydrogen peroxide
- peroxide-containing bleaching agents for example hydrogen peroxide
- aqueous bleach-containing solutions for the extensive cleaning of carpets (L. Carlhoff, H. Krüssmann Manualr Desir Desirmürber-Kalender, publisher G. Dierkes, Frankfurt aM 1989, 215-224).
- high bleach concentrations and long exposure times have to be used to adequately remove the stains, which are also associated with strong odor nuisance when using peracetic acid, so that this method has not become established in practice.
- Bleach-containing dry cleaning agents for carpets are disclosed in Japanese Patents JP 044 974, JP 066 654 and JP 251247 .
- the agents described there are not based on cellulose powder as a carrier material.
- carpet cleaners are known from the English patent specification GB 65/36749 which, based on the composition, contain 18 to 35% by weight wood flour, 0.2 to 1% by weight peroxidic bleaching agents, for example hydrogen peroxide, 25 to 70% by weight.
- Water 10 to 40% by weight of volatile low-boiling solvents in the form of petroleum fractions or chlorinated hydrocarbons, 0.25 to 2% by weight of organic emulsifier in the form of nonionic or non-soapy anionic organic synthetic detergents and 0.25 to 1% by weight selected Contain alkali metal detergent salts.
- Wood and also wood flour which is very finely chopped wood, consists of about 40 to 50% cellulose, 25 to 30% lignin and 15 to 30% polyoses as well as a few percent of other ingredients, e.g. resins, waxes, terpenes and Terpenoids or tannins such as tannin so that the agents described contain cellulose in amounts of less than 20% by weight.
- wood flour-based cleaners are unsuitable due to a number of disadvantageous properties - low cleaning performance, low adsorption capacity, easy clumping, discoloration due to tannins, resins, etc.
- the bleach in these carpet cleaners is only used to bleach the wood flour and not to remove oxidizable stains from the textile material to be cleaned.
- beech wood flour for example, is undesirable due to its toxicological properties
- beech wood cellulose is a suitable carrier material for common cellulose-based cleaning powder.
- the British patent application GB-A-2 112 013 describes a pulverulent cleaning agent containing cellulose powder, the content of further pulverulent adsorbents (amino-aldehyde resin) not less than the content of cellulose powder.
- the British patent application GB-A-2 309 034 discloses a scatterable dry carpet cleaning agent containing cellulose powder and optionally an active oxygen source. This agent also contains 12 to 20 wt .-% inorganic salt system of alkali metal carbonate, alkali metal bicarbonate and alkali metal sesquicarbonate in a ratio of 1: 0.5-2.5: 0.5-2.5.
- the object of the present invention was to provide a powdered carpet cleaner To provide cellulose based on both a very good cleaning performance Surfaces as well as on colored stains, without doing so the carpet, especially its Coloring, damaging, and for a long period of time without noticeable impairment cleaning performance remains stable.
- the subject of the present application is therefore a scatterable Dry carpet cleaning agent, containing cellulose powder and an active oxygen source, characterized in that it is free from wood flour and the content of other powdery adsorbents below the content of cellulose powder the agent is not an inorganic salt system from (a) Alkali metal carbonate, (b) alkali metal bicarbonate and (c) alkali metal sesquicarbonate with a ratio (a): (b): (c) of 1.0.5-2.5: 0.5-2.5 contains in an amount of 12 to 20 wt .-%.
- the carpet cleaning powders according to the invention are characterized by the contained Active oxygen source due to a compared to conventional carpet cleaning powders Cellulose based in an unexpectedly significantly improved cleaning performance.
- Active oxygen source due to a compared to conventional carpet cleaning powders
- Cellulose based in an unexpectedly significantly improved cleaning performance.
- persistent colored stains for example from coffee, red wine or fruit juices such as Blueberry juice can be largely, mostly even completely removed from the carpet, without the carpet being damaged by the agents according to the invention.
- carpet cleaners according to the invention are their surprisingly high level Storage stability. Without being limited to certain mechanisms, the adsorption of the peroxidic connection to the cellulose may be the reason. After storage over several The cleaner is fully efficient for weeks or months.
- the detergent can be airtight closing plastic or metal-based films can be packed without being in the Packaging builds up unwanted pressure.
- the cellulose powders suitable for the agents according to the invention are obtained from commercially available cellulose, which is generally obtained from parts of plants, in particular from wood. produced by crushing with the help of mechanical and / or chemical processes. Such powders, which are colorless and almost free of lignin and other impurities originating from the plant material, are commercially available in various finenesses.
- the finer qualities which have an average fiber length in the range from 50 to 400 micrometers, are preferably suitable. With these qualities, the average fiber thickness is usually between 10 and 50 micrometers.
- the particle size of the cellulose powder can also be determined using a sieving method, for example using air jet sieving in accordance with DIN 53734.
- Cellulose powder which has the following particle size distribution (according to the aforementioned method) is therefore also preferred: less than 32 ⁇ m 40 ⁇ 7% by weight between 32 and 71 ⁇ m 35 ⁇ 5% by weight between 71 and 200 ⁇ m 24 ⁇ 4% by weight over 200 ⁇ m Max. 1% by weight
- Cellulose powders which are preferably used in the agents according to the invention Wood cellulose, especially made from hardwood cellulose. A special one preferred cellulose type is beech wood cellulose. Of these powder types are in turn those qualities particularly preferred that are based on mechanical only in a technically simple manner Ways, i.e. by grinding.
- the proportion of cellulose powder in the The agent according to the invention is preferably 30 to 60% by weight, in particular 35 to 55 wt .-%, most preferably 40 to 50 wt .-%, based on the finished agent.
- the agents according to the invention contain one or more active oxygen sources, preferably hydrogen peroxide, as the essential active ingredient.
- active oxygen sources preferably hydrogen peroxide
- further sources are compounds releasing hydrogen peroxide, for example percarbonates, perborates and metal peroxides, and also other types of peroxides, such as dialkyl peroxides, diacyl peroxides, pre-formed percarboxylic acids, persulfates, organic and inorganic peroxides or hydroperoxides.
- dialkyl peroxides diacyl peroxides
- pre-formed percarboxylic acids persulfates
- organic and inorganic peroxides or hydroperoxides are also suitable.
- alkyl and aryl silicon peroxides known, for example, from German patent applications DE 195 38 629 A1 and DE 195 40 581 A1, as well as the silicon peroxide also described there.
- acylating agents can be included as peroxide activators, which form salts of
- the hydrogen peroxide sources preferably contained are alkaline reacting, solid inorganic peroxides, for example perborate tetrahydrate, Perborate monohydrate and percarbonate, of which in turn perborate monohydrate is particularly preferred becomes.
- Suitable organic and inorganic peroxides or hydroperoxides in the sense of the teaching according to the invention include diacyl and dialkyl peroxides or hydroperoxides such as dibenzoyl peroxide, tert-butyl hydroperoxide, dilauroyl peroxide, dicumyl peroxide and persulfuric acid or their salts and mixtures of the compounds mentioned.
- Pre-formed peracids suitable according to the invention are, for example, diperoxydodecanedioic acid (DPDDA), magnesium perphthalic acid, perlauryl acid, perbenzoic acid, diperazelaic acid and their salts as well as mixtures of these compounds.
- DPDDA diperoxydodecanedioic acid
- magnesium perphthalic acid perlauryl acid
- perbenzoic acid diperazelaic acid and their salts as well as mixtures of these compounds.
- the content of active oxygen source is usually in amounts, based on the composition, of up to 15% by weight, preferably up to 10% by weight, in particular up to 5% by weight, most preferably up to 2% by weight ,
- the content of active oxygen source is to be understood as meaning the amount of hydrogen peroxide which is stoichiometrically equivalent to the respective peroxide compound, so that, for example in the case of sodium perborate tetrahydrate, "NaBO 3 .4H 2 O" has a content of 1% by weight of active oxygen source based on the composition contained amount of 4.5 wt .-% of this salt means.
- the content of active oxygen can be titrated oxidimetrically with permanganate, iodide or cerium (IV) sulfate in aqueous acidic solution.
- the activators used according to the invention are compounds which are capable of acylating hydrogen peroxide in an alkaline aqueous solution. Such activators have been developed in large numbers for textile washing. The majority of the cases are reactive amides or esters or anhydrides that are able to transfer an acyl group to hydrogen peroxide. A list of such activators can be found, for example, in DE-A 38 32 589 on page 7.
- N, N, N ', N'-tetraacetylethylene diamine TAED
- DADHT 1,5-diacetyl-2,4-dioxohexahydro- 1,3,5-triazine
- PAG pentaacetylglucose
- the amount of activator which is used to prepare the cleaning solution is generally chosen so that 0.02 to 1 mol, preferably 0.05 to 0.5 mol, of reactive acyl groups from the Activator are available. It is therefore usually between 0.01 and 5 g, in particular 0.02 to 1.5 g, per 100 g of the solution.
- the activator is to be packaged in solid form together with the peroxide and optionally other active ingredients of the cleaning solution, it may be expedient and advantageous to prior to premature reaction with the peroxide or other ingredients of the agent in a manner known per se by encapsulation or granulation To protect, for example according to DE 30 11 998 .
- the cleaning solution adsorbed on the cellulose carrier contains, among other things, one or more of the aforementioned active oxygen sources. In the simplest case, it is an aqueous one Hydrogen peroxide solution.
- the amount of this soaking liquid is measured so that it is still of the fixed components of the funds, i.e. especially of cellulose powder is and thus the spreadability of the funds is guaranteed.
- the water content resulting from the in the production of the amount of water added and the amount already contained in the raw materials Water results, is preferably 35 to 70 wt .-%, in particular 40 to 60 wt .-%.
- the impregnating liquid can also, if this appears appropriate for special reasons, contain other auxiliaries and additives, for example for increasing the Cleaning effect, improving the resoiling behavior or preservation of the finished agent are advantageous.
- the liquid preferably contains one or more suitable complexing agents.
- suitable complexing agents in the context of the invention include phosphonic acids and their Salts, aminocarboxylic acids and their salts as well as multiply functionalized aromatic Chelatisierer.
- Preferred salts are alkali metal, ammonium and substituted Ammonium salts, the complexing agents with more than one acid function not all must be deprotonated.
- Suitable phosphonic acids are known, for example, from German patent DE 1 107 207 . It preferably contains acetophosphonic acid or hydroxyethane-1,1-diphosphonic acid, in particular a mixture of acetophosphonic acid and hydroxyethane-1,1-diphosphonic acid.
- Suitable aminocarboxylic acids are, for example, ethylenediaminetetraacetic acids (EDTA), N-hydroxylated EDTA and nitrilotriacetic acids.
- EDTA ethylenediaminetetraacetic acids
- N-hydroxylated EDTA N-hydroxylated EDTA
- nitrilotriacetic acids nitrilotriacetic acids
- Suitable multi-functionalized aromatic chelating agents are described in US Pat. No. 3,812,044 , for example dihydroxydisulfobenzenes such as 1,2-dihydroxy-3,5-disulfobenzene.
- the complexing agents are preferably present in amounts based on the Composition of the agents, of up to 2% by weight, in particular up to 1% by weight, extremely preferably up to 0.4% by weight.
- Surfactants can also be present as cleaning-active additives, these surfactants preferably come from the classes of anionic and nonionic surfactants. While Excellent surface cleaning can be achieved even without the addition of surfactants Addition of surfactants to improve the removal of fatty stains. in the in general, a surfactant addition of up to 10% by weight is sufficient; preferably contain the Average 0.05 to 5 wt .-%, in particular 0.1 to 2 wt .-%, based on the total weight of the By means of surfactants. From the large number of known surfactants, such substances are particularly suitable: which together with the contained adsorbents and possibly other Dry the non-volatile components of the agent to a solid, brittle residue.
- Well suited are also the condensation products known under the name alkyl glycosides reducing sugars and long chain alcohols.
- Suitable anionic surfactants are in particular those of the sulfate or sulfonate type, however can also other types such as soaps, long-chain N-acyl sarcosinates, salts of long-chain Sulfosuccinic acid esters or salts of ether carboxylic acids, such as those obtained from long-chain alkyl or alkylphenyl polyglycol ethers and chloroacetic acid are available.
- the Anionic surfactants are preferably used in the form of the sodium salts, but can the lithium salts also offer advantages.
- the surfactants of the sulfonate type are primarily sulfosuccinic acid monoesters and diesters with 6 to 22 carbon atoms in the alcohol parts, the alkylbenzenesulfonates with C 9 -C 15 -alkyl groups and the esters of ⁇ -sulfofatty acids, e.g. ⁇ -sulfonated methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
- alkanesulfonates which are obtainable from C 12 -C 18 -alkanes by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfide addition to olefins
- olefinsulfonates which are mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as they are obtained, for example, from long-chain monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- Particularly preferred surfactants are the olefin sulfonates, which are preferably used in amounts of 0.1 to 1 wt .-% are used in the recipes, but especially the fatty alcohol sulfates and Fatty alcohol ether sulfates, preferably used in amounts between 0.1 and 2% by weight become.
- the agents according to the invention can furthermore contain organic solvents.
- Organic solvents are suitable for both water-miscible and non-water miscible solvents, provided they do not attack the textiles and are sufficiently volatile, to evaporate in the desired time after applying the agents to the textiles. Furthermore, when selecting the solvents, care must be taken that they are in the finished product mixture have sufficiently high flash points and are toxicologically harmless.
- Alcohols, ketones, glycol ethers and hydrocarbons for example, are particularly suitable Isopropanol, acetone, ethers of mono- and diethylene glycol and mono-, di- and Tripropylene glycol with boiling points between 120 ° C and petrol with a boiling range of 130 to 200 ° C, as well as mixtures of these solvents.
- the share of organic solvent is usually not more than 20% by weight, preferably up to 10 % By weight, in particular up to 5% by weight, based on the total
- the pH of the compositions is preferably in the range from 6 to 10, in particular from 7 to 9.5, extremely preferred from 7.5 to 9, and is obtained by adding acid and / or alkali, preferably sodium hydroxide solution.
- the agents of this invention can be used in others Textile and carpet cleaning agents are common auxiliaries and additives in small quantities contain.
- active ingredients are antistatic components, optical ones Brighteners, substances that reduce re-soiling, such as drying embrittles water-soluble or water-dispersible polymers, for example polyacrylates, which Additives, preservatives and perfume to improve spreadability and spreadability.
- no more than 5% by weight of these auxiliaries and additives are used. used; the content is preferably not more than 2% by weight, based on the total composition.
- a particularly preferred auxiliary agent is in the cleaning agents according to the invention.
- Larger rollable particles made of porous elastic material especially those made of Sponge material. These particles have a longest dimension between about 1 and 50, preferably between about 1 and 10 mm, the dimensions in the two other spatial directions that are perpendicular to each other and along this length, at least 10 %, in particular at least 20% of this greatest length.
- These rollable Particles can be regularly or irregularly shaped bodies. It is crucial that the shape is designed so that the body when incorporating the Carpet cleaning agents can roll under the brush passed over the carpet.
- the rollable particles can consist of different materials. Particularly preferred but are rollable particles that are predominantly or completely made of viscose, natural sponge or open-pore plastic foam. To produce the rollable particles one preferably from larger pieces of material by cutting or grinding be crushed to the desired size. Foamed material is preferably used, Non-woven fabric or fabric, used as the starting material. In a particularly preferred one In one embodiment, the rollable particles consist of viscose sponge flakes.
- the rollable particles combine with fluff and during the cleaning process Fibers that have deposited on the carpets and can then coexist with them can be easily removed from the carpet surface.
- the rollable particle content can be in the agents according to the invention are relatively small, since there are already few particles are sufficient to achieve the desired effect. So the proportion of rollable particles is in the agents preferably up to 10% by weight, in particular up to 4% by weight, extremely preferably up to 1% by weight, based on the total agent.
- the preparation of the agents presents no problems, so that technically simple, mostly one-step Procedures can be applied.
- simple mixing equipment such as Paddle or drum mixers are used, in which cellulose powder and optionally other solid components are submitted and then moving with the liquids, if necessary contain other components dissolved, sprayed.
- the composition can be in very finely divided or also in more or composition less agglomerated form can be made, but the composition always ensures that even the agglomerated forms on the textiles without major mechanical Effort disintegrates easily.
- flaky agglomerates the Free-flowing properties of the agents are dampened down to products that flow very slowly, such as they are preferred for certain applications.
- the bulk density of the agents can be more or less in the manufacturing process by the choice influence less compact agglomerates to a certain extent. So the funds point Usually bulk weights in the range of 200 to 400 g / l, with the result that relatively large volumes per unit area are used. This makes it easier especially if the products are sprinkled on carpets by hand, one even distribution.
- the agents according to the invention use 2 to 250 g ⁇ m -2 , but larger amounts can also be applied in places to remove individual stains.
- application rates of 10 to 200 g ⁇ m -2 are common.
- the entire process can be carried out largely manually, for example in the household, but there is also the possibility of rubbing in and possibly further steps using suitable machines, for example combined spreading and brushing machines or combined brushing and suction machines, so that this can be done
- suitable machines for example combined spreading and brushing machines or combined brushing and suction machines, so that this can be done
- the process is equally suitable for use in the commercial sector.
- Cellulose powder and optionally viscose flakes were placed in a paddle mixer submitted and premixed.
- the aqueous cleaning liquid was separated from this the remaining components are made in a mixing container. This liquid was then sprayed onto the adsorbent while moving the paddle mixer further. Slightly moist, but free-flowing products were created.
- the type Arbocel® B 800 X from JRS Rettenmaier & Söhne was used as cellulose powder , which according to the manufacturer has an average fiber length of 200 ⁇ m and an average fiber thickness of 20 ⁇ m, and the following sieving characteristics for air jet sieving: less than 32 ⁇ m 40% by weight less than 71 ⁇ m 75% by weight less than 200 ⁇ m 99% by weight
- the viscose flakes used were a product from Beli-Chemie GmbH and are offered for use as suction flakes to absorb spilled liquids.
- the material has a bulk density of approximately 90 g / l.
- a light beige polyamide velor carpet served as carpet materials and a light beige virgin wool loop carpet, cut in pieces of size 30 cm x 60 cm in a laboratory soiling device with 10 g of a test soiling, consisting of 85 wt .-% of the sieved content of a vacuum cleaner bag and 15% by weight from a standard mixture of kaolin, quartz powder, iron oxide and carbon black (zu can be obtained from the Krefeld laundry research institute). The pieces of carpet were then vacuumed thoroughly.
- the cleaning tests were carried out on the soiled carpet pieces in such a way that 125 g ⁇ m -2 (polyamide carpet) or 150 g ⁇ m -2 (new wool carpet) cleaning powder were evenly sprinkled on and then worked into the surface by brushing.
- a medium-hard brush with polypropylene bristles was used as the tool, with which the surface was worked evenly with strong, overlapping lines in the longitudinal and transverse directions for about 25 seconds. After drying overnight at room temperature, the carpet pieces were thoroughly vacuumed until no powder residues were visible on the carpet.
- the evaluation was carried out using the Minolta Chromameter CR310 color difference measuring device using the CIELAB method for the colorimetric determination of color distances (DIN 6174).
- the color difference ⁇ E * / ab between sample (index P) and reference (index B) is determined as a Euclidean distance in the three-dimensional color space spanned by the color dimensions L * , a * and b * .
- the color space coordinates L * , a * and b * result from the measured standard color values X , Y and Z (see also DIN 5033 part 2).
- the dimension L * also called gray value, detects the brightness, while chroma and hue are positioned in the a * / b * plane.
- the change in the color position E * / ab caused by the cleaning of the dark beige soiled carpet containing soot is essentially due to the change in the lightness coordinate L * to larger values in the sense of brightening, while the color coordinates a * and b * are not significantly shifted.
- the exemplary agent E1 was stored for a period of 9 months checked its hydrogen peroxide content using permanganatometric titration. The certain loss of hydrogen peroxide was only 0.06% by weight.
- the examples demonstrate the superior cleaning performance of the invention cellulose-based carpet cleaning powder containing hydrogen peroxide (E1) the conventional cellulose-based cleaner without bleach (V1) and the high Storage stability.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Description
Die englische Patentanmeldung GB-A-2 309 034 offenbart ein streufähiges Trockenteppichreinigungsmittel enthaltend Cellulosepulver und wahlweise eine Aktivsauerstoffquelle. Dieses Mittel enthält auch 12 bis 20 Gew.-% anorganisches Salz-System aus Alkalimetallcarbonat, Alkalimetallbicarbonat und Alkalimetallsesquicarbonat mit einem Verhältnis von 1:0,5-2,5:0,5-2,5.
| unter 32 µm | 40 ± 7 Gew.-% |
| zwischen 32 und 71 µm | 35 ± 5 Gew.-% |
| zwischen 71 und 200 µm | 24 ± 4 Gew.-% |
| über 200 µm | max. 1 Gew.-% |
| unter 32 µm | 40 Gew.-% |
| unter 71 µm | 75 Gew.-% |
| unter 200 µm | 99 Gew.-% |
| E1 | V1 | |
| Cellulose | 43 | 43 |
| H2O2 | 0,9 | ― |
| Phosphonsäure | + | ― |
| FAS | 0,85 | 0,85 |
| Ethanol | 3 | 3 |
| Saugflocken | 0,55 | 0,25 |
| Parfüm | + | + |
| Konservierung | ― | + |
| Wasser | ad 100 | ad 100 |
| E1 | V1 | |
| Polyamid Velours | 3,80 | 2,82 |
| Wolle Schlinge | 1,73 | 0,34 |
| E1 | V1 | |
| Rotwein | völlig entfernt | nicht entfernt |
| Kaffee | völlig entfernt | nicht entfernt |
| Blaubeersaft | völlig entfernt | nicht entfernt |
Claims (12)
- Streufähiges Trockenteppichreinigungsmittel, enthaltend Cellulosepulver und eine AktivsauersloSqueIle, dadurch gekennzeichnet, daß es frei von Holzmehl ist und der Gehalt an weiteren pulverförmigen Adsorbentien unter dem Gehalt an Cellulosepulver liegt, wobei das Mittel kein anorganisches Salz-System aus (a) Alkalimetallcarbonat, (b) Alkalimetallbicarbonat und (c) Alkalimetallsesquicarbonat mit einem Verhältnis (a) : (b) : (c) von 1 : 0,5-2,5 : 0,5-2,5 in einer Menge von 12 bis 20 Gew.-% enthält.
- Mittel nach Anspruch 1, dadurch gekennzeichnet, daß es Holzcellulose, vorzugsweise Laubholzcellulose, insbesondere Buchenholzcellulose, enthält.
- Mittel nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß es Cellulosepulver mit einer mittleren Faserlänge zwischen 50 und 400 µm enthält.
- Mittel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß es Cellulosepulver in Mengen, bezogen auf die Zusammensetzung, von 30 bis 60 Gew.-%, bevorzugt 35 bis 55 Gew.-%, insbesondere 40 bis 50 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß es Wasserstoffperoxid in Mengen, bezogen auf die Zusammensetzung, von bis zu 15 Gew.-%, vorzugsweise bis zu 10 Gew.-%, insbesondere bis zu 5 Gew.-%, äußerst bevorzugt bis zu 2 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß es Komplexbildner, insbesondere eine oder mehrere Phosphonsäuren und/oder Phosphonsäuresalze, vorzugsweise in Mengen, bezogen auf die Zusammensetzung, von bis zu 2 Gew.-%, insbesondere bis zu 1 Gew.-%, äußerst bevorzugt bis zu 0,4 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß es ein oder mehrere Tenside, bevorzugt anionische Tenside, insbesondere aus der Gruppe der Alkylsulfate und Ethersulfate, vorzugsweise in Mengen, bezogen auf die Zusammensetzung, von bis zu 10 Gew.-%, insbesondere von 0,05 bis 5 Gew.-%, äußerst bevorzugt von 0,1 bis 2 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß es rollfähige Partikel aus elastischem, porösem Material, insbesondere Schwammflocken, vorzugsweise in Mengen, bezogen auf die Zusammensetzung, von bis zu 10 Gew.-%, insbesondere bis zu 4 Gew.-%, äußerst bevorzugt bis zu 1 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß es ein oder mehrere organische Lösungsmittel, bevorzugt Alkohole, insbesondere Monoalkohole mit 2 oder 3 C-Atomen, vorzugsweise in Mengen, bezogen auf die Zusammensetzung, von bis zu 10 Gew.-%, insbesondere bis zu 5 Gew.-%, enthält.
- Mittel nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß es einen pH-Wert im Bereich von 6 bis 10, bevorzugt von 7 bis 9,5, insbesondere von 7,5 bis 9, hat.
- Verwendung des Mittels nach einem der Ansprüche 1 bis 10 zur Trockenreinigung von textilen Bodenbelägen.
- Verwendung des Mittels nach einem der Ansprüche 1 bis 10 zur Entfernung von Flecken, insbesondere farbiger Flecken, auf textilen Bodenbelägen.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19753700A DE19753700A1 (de) | 1997-12-04 | 1997-12-04 | Teppichreinigungspulver mit einer Aktivsauerstoffquelle |
| DE19753700 | 1997-12-04 | ||
| PCT/EP1998/007616 WO1999029817A1 (de) | 1997-12-04 | 1998-11-25 | Teppichreinigungspulver mit einer aktivsauerstoffquelle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1036148A1 EP1036148A1 (de) | 2000-09-20 |
| EP1036148B1 true EP1036148B1 (de) | 2004-11-24 |
Family
ID=7850649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98965183A Expired - Lifetime EP1036148B1 (de) | 1997-12-04 | 1998-11-25 | Teppichreinigungspulver mit einer aktivsauerstoffquelle |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1036148B1 (de) |
| JP (1) | JP2001526302A (de) |
| AT (1) | ATE283341T1 (de) |
| DE (2) | DE19753700A1 (de) |
| ES (1) | ES2234174T3 (de) |
| WO (1) | WO1999029817A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0520524D0 (en) * | 2005-10-10 | 2005-11-16 | Reckitt Benckiser Nv | Flowable carpet cleaning composition containing hydrogen peroxide |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5943520B2 (ja) * | 1981-10-16 | 1984-10-22 | 富士化成株式会社 | 乾式掃除剤 |
| US5286400A (en) * | 1993-03-29 | 1994-02-15 | Eastman Kodak Company | Flowable powder carpet cleaning formulations |
| DE4411046A1 (de) * | 1994-03-30 | 1995-10-05 | Henkel Kgaa | Teppichreinigungsmittel |
| DE4421784A1 (de) * | 1994-06-22 | 1996-01-04 | Henkel Kgaa | Streufähiges Teppichreinigungsmittel |
| JPH10509191A (ja) * | 1994-11-10 | 1998-09-08 | ザ、プロクター、エンド、ギャンブル、カンパニー | カーペットのクリーニング法 |
| GB9600547D0 (en) * | 1996-01-11 | 1996-03-13 | Reckitt & Colman Inc | Improved compositions containing organic compounds |
-
1997
- 1997-12-04 DE DE19753700A patent/DE19753700A1/de not_active Withdrawn
-
1998
- 1998-11-25 AT AT98965183T patent/ATE283341T1/de not_active IP Right Cessation
- 1998-11-25 ES ES98965183T patent/ES2234174T3/es not_active Expired - Lifetime
- 1998-11-25 DE DE59812309T patent/DE59812309D1/de not_active Expired - Lifetime
- 1998-11-25 WO PCT/EP1998/007616 patent/WO1999029817A1/de not_active Ceased
- 1998-11-25 JP JP2000524394A patent/JP2001526302A/ja active Pending
- 1998-11-25 EP EP98965183A patent/EP1036148B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE19753700A1 (de) | 1999-06-10 |
| ES2234174T3 (es) | 2005-06-16 |
| EP1036148A1 (de) | 2000-09-20 |
| WO1999029817A1 (de) | 1999-06-17 |
| JP2001526302A (ja) | 2001-12-18 |
| ATE283341T1 (de) | 2004-12-15 |
| DE59812309D1 (de) | 2004-12-30 |
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