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EP1500696A1 - Détergent additif - Google Patents

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Publication number
EP1500696A1
EP1500696A1 EP04017149A EP04017149A EP1500696A1 EP 1500696 A1 EP1500696 A1 EP 1500696A1 EP 04017149 A EP04017149 A EP 04017149A EP 04017149 A EP04017149 A EP 04017149A EP 1500696 A1 EP1500696 A1 EP 1500696A1
Authority
EP
European Patent Office
Prior art keywords
acid
alkyl
optical brightener
granules
detergents
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Withdrawn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
EP04017149A
Other languages
German (de)
English (en)
Inventor
Georg Dl. Borchers
Alexander Dr. Lerch
Gerd Dr. Reinhardt
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clariant GmbH filed Critical Clariant GmbH
Publication of EP1500696A1 publication Critical patent/EP1500696A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3935—Bleach activators or bleach catalysts granulated, coated or protected
    • 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
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents

Definitions

  • the present invention relates to additives for detergents and cleaners, which in essentially from an active substance and optionally a granulation auxiliary and to improve the color quality of an optical brightener contain.
  • Washing and cleaning agents such as washing powder, stain salts or Machine dishwashing detergents contain various types of active substances, such as for example bleach activators, grayness inhibitors, soil release polymers, Color fixing agents, color transfer inhibitors, complexing agents or enzymes. These Active substances must have a bright appearance, which can also be found in Presence of other ingredients of detergents and cleaners does not change.
  • Preferred active substances are bleach activators, grayness inhibitors, soil Release polymers, dye fixatives, dye transfer inhibitors, complexing agents or enzymes.
  • bleach activators it is possible to use compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic acids and / or optionally substituted perbenzoic acid.
  • the achievable bleaching result is determined by the nature and reactivity of the peroxycarboxylic acid formed, the structure of the bond to be perhydrolyzed, and the water solubility of the bleach activator.
  • bleach activators Many substances are known in the art as bleach activators. These are usually reactive organic compounds having an O-acyl or N-acyl group which, even in the washing powder mixture, favored by the residual moisture present, react with the bleaching agent, such as sodium perborate, if both components are present unprotected.
  • bleach activators include N, N, N ', N'-tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N-acylimides, in particular N-Nonanoyl succinimide (NOSI), acylated phenolsulfonates, especially n-nonanoylode Isononanoyloxybenzenesulfonate (n- or iso-NOBS), sodium 4-benzoyloxybenzenesulfonate (SBOBS), sodium trimethylhexanoyloxybenzenesulfonate (STHOBS), carboxylic acid anhydrides, especially phthalic anhydride, acylated polyhydric alcohols, in particular solvent
  • TACA Tetraacetylcyanoic acid
  • ADMG di-N-acetyldimethylglyoxine
  • PAH 1-phenyl-3-acetylhydantoin
  • APES nonanoylcaprolactam phenylsulfonate ester
  • NTA nitrilotriacetate
  • Ammonium nitriles of the formula 1 form a special class of cationic bleach activators, which exert their effect even at temperatures below 40 ° C.
  • Compounds of this type and their use as bleach activators in bleaching agents are described in EP-A-0 303 520, EP-A-0 464 880, EP-A-0 458 396, EP-A-0 897 974 and EP-A-0 790 244 described.
  • R 1 , R 2 , R 3 are identical or different and for linear or branched C 1 -C 24 -alkyl groups, C 2 -C 24 -alkenyl groups or for C 1 -C 4 -alkoxy-C 1 -C 4 - Alkyl groups, substituted or unsubstituted benzyl, or in which R 1 and R 2 together with the nitrogen atom to which they are attached form a ring having 4 to 6 C atoms which is substituted by C 1 -C 5 -alkyl, C 1 - C 5 alkoxy, C 1 - to C 5 alkanoyl, phenyl, amino, ammonium, cyano, cyanamino, chlorine or bromine may be substituted and in addition to the nitrogen atom instead of carbon atoms one or two oxygen or nitrogen atoms, a group NR 6 or a group R 3 -NR 6 may contain, wherein R 6 is hydrogen, C 1 - to C 5 alkyl, C 2 -
  • Suitable graying inhibitors are carboxymethylcellulose, Methylcellulose, hydroxyalkylcellulose, methylhydroxyethylcellulose, Methylhydroxypropylcellulose, methylcarboxymethylcellulose and polyvinylpyrrolidone
  • Soil release polymers as active substances in the context of the present invention are preferably oligoesters containing dicarboxylic acid units and diol units (glycol, alkylglycol and / or polyol units, especially polyalkylene polyglycol units.) These oligoesters are preferably obtained by polycondensation of one or more aromatic dicarboxylic acids or their esters with diols If desired, these esters may also be polyethylene glycol, polypropylene glycol, sulfoisophthalic acid, sulfobenzoic acid, isethionic acid, C 1 -C 4 -alcohols, alkoxylated C 1 -C 24 -alcohols, oxalkylated C 6 -C 18 -alkylphenols and / or or oxalkylated C 8 -C 24 alkyl amines as monomers.
  • Preferred polyol units are polyethylene glycols having molecular weights of from 500 to 5,000, preferably from 1,000 to 3,000.
  • SRPs contain, as further component, water-soluble addition products of from 5 to 80 mol of at least one alkylene oxide and 1 mol of C 1 -C 24 -alcohols, C 6 -C 18 Alkylphenols or C 8 -C 24 -alkylamines. Preference is given to mono-methyl ethers of polyethylene glycols.
  • Suitable alcohols which are alkoxylated are, for example, octyl alcohol, decyl alcohol, lauryl alcohol, myristyl alcohol or stearyl alcohol, but especially methanol, as well as the alcohols having 8 to 24 carbon atoms obtainable by the Ziegler process or the corresponding oxo alcohols.
  • octylphenol, nonylphenol and dodecylphenol are particularly important.
  • the suitable alkylamines the C 12 -C 18 -monoalkylamines are used in particular.
  • Suitable polyols are, for example, pentaerythritol, trimethylolethane, Trimethylolpropane, 1,2,3-hexanetriol, sorbitol, mannitol and glycerin.
  • polyesters known from EP 241 985 which in addition to oxyethylene groups and terephthalic acid units contain 1,2-propylene, 1,2-butylene and / or 3-methoxy-1,2-propylene groups and also glycerol units and with C 1 - C 4 alkyl groups are end-capped, described in EP 253 567 soil release polymers with a molecular weight of 900 to 9000 g / mol of ethylene terephthalate and polyethylene oxide terephthalate, wherein the polyethylene glycol units have molecular weights of 300 to 3000 g / mol and the molar ratio of ethylene terephthalate to Polyethylene oxide terephthalate is 0.6 to 0.95, and from EP 272 033 known, at least partially by C 1 -C 4 alkyl or acyl terminated end-capped polyester with polypropylene terephthalate and polyoxyethylene terephthalate units.
  • oligoesters of ethylene terephthalate and Polyethylene oxide terephthalate in which the polyethylene glycol units are molecular weights from 750 to 5000 g / mol and the molar ratio of ethylene terephthalate to Polyethylene oxide terephthalate is 50:50 to 90:10 and their use in Detergents in the German patent DE 28 57 292 is described, as well as Oligoester with molecular weights of 15,000 to 50,000 g / mol of ethylene terephthalate and polyethylene oxide terephthalate, wherein the polyethylene glycol units are molecular weights from 1000 to 10,000 g / mol and the molar ratio of ethylene terephthalate to polyethylene oxide terephthalate 2: 1 to 6: 1, according to DE 33 24 258 in Detergents can be used.
  • a + b is a number between 12 and 18 or between 25 and 35.
  • the oligoesters described in DE 19 644 034 are from dimethyl terephthalate, ethylene and / or propylene glycol, polyethylene glycol and C 1 - to C 18 alkyl polyethylene glycol with the addition of a catalyst first by Transesterification at temperatures of 160 to about 220 ° C and distillative separation of the methanol at atmospheric pressure and subsequent separation by distillation of the excess glycols at temperatures of 160 to about 240 ° C.
  • the invention includes color fixing agents as active substances, for example Dye fixatives obtained by reacting diethylenetriamine, Dicyandiamide and amidosulfuric acid, amines with epichlorohydrin, for example Dimethylaminopropylamine and epichlorohydrin or dimethylamine and epichlorohydrin or dicyandiamide, formaldehyde and ammonium chloride, or dicyandiamide, Ethylenediamine and formaldehyde or cyanamide with amines and formaldehyde or Polyamines with cyanamides and amidosulfuric acid or cyanamides with Aldehydes and ammonium salts, but also polyamine N-oxides such as poly (4-vinylpyridine-N-oxide), e.g.
  • Chromabond S-400, Fa. ISP Polyvinylpyrrolidone, e.g. Sokalan HP 50 / Fa. BASF and copolymers of N-vinylpyrrolidone with N-vinylimidazole and optionally other monomers.
  • Color transfer inhibitors are also suitable, for example polyamine N-oxides such as poly (4-vinylpyridine-N-oxide), e.g. Chromabond S-400, Fa. ISP; Polyvinylpyrrolidone, e.g. Sokalan HP 50 / Fa. BASF and copolymers of N-vinylpyrrolidone with N-vinylimidazole and optionally other monomers.
  • powdery or granular Complexing agents are produced with a bright appearance, for example Aminocarboxylates, such as ethylenediaminetetraacetate, N-hydroxyethylethylenediaminetriacetate, Nitrilotriacetate, ethylenediamine tetrapropionate, Triethylenetetraaminehexaacetate, diethylenetriaminepentaacetate, Cyclohexanediaminetetraacetate, phosphonates, for example Azacycloheptane diphosphonate, Na salt, pyrophosphate, etidronic acid (1-hydroxyethylidene-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid, Acetophosphonic acid) and their salts, aminophosphonates, such as Ethylenediaminetetrakis (methylenephosphonate), Diethylene triamine pentakis (methylene phosphonate), amine trimethylene phosphonic acid, Cyclodextrins, as
  • Enzyme granules can also be lightened according to the invention.
  • Suitable enzymes are those from the class of proteases, lipases, amylases, pullinases, cutinases, and cellulases, peroxidases or mixtures thereof.
  • Proteases include BLAP®, Opticlean®, Maxacal®, Maxapem®, Esperase®, Savinase®, Purafect®, OxP and / or Duraxym®, amylases Termamyl®, Amylase-LT®, Maxamyl®, Duramyl® and / or Pruafect® OxAm, lipases, Lipolase®, Lipomax®, Lumafast® and / or Lipozym®.
  • the enzymes can be adsorbed to carrier substances and / or embedded in encapsulating substances.
  • Suitable optical brighteners are all known optical brighteners, as described in "The Production and Application of Fluorescent Brightening Agents ", M. Zahradnik, Publisher John Wiley & Sons, New York (1982) and Ullmann's Encyclopedia of Industrial Chemistry, "Optical Brighteners", A.E. Siegrist, Eckhardt, J. Kaschig, E. Schmidt, Vol. A18, publisher VCH Publishers, New. York (1991), pp. 153-176 CC.
  • Cyclic hydrocarbons such as distyrylbenzenes, distyrylbiphenyls, diphenylstilbenes, triazinylaminostilbenes, stilbenyl-2H-triazoles, for example stilbenyl-2H-naphtho [1,2-d] triazoles and bis (1,2,3-triazole-2-yl) can be used as optical brighteners.
  • yl) stilbenes benzoxazoles, for example stilbenylbenzoxazole and bis (benzoxazole), furans, benzofurans and benzimidazoles, for example bis (benzo [b] furan-2-yl) biphenyl and cationic benzimidazoles, 1,3-diphenyl-2-pyrazoline, coumarin, Naphthalimides, 1,3,5-2-yl derivatives, methine cyanine and dibenzothiophene-5,5-oxide.
  • anionic optical brighteners in particular sulfonated compounds.
  • the bleach activator granules according to the invention contain optical brighteners Amounts of from 0.001% to 2% by weight, preferably from 0.002% to 0.8% by weight, especially preferably 0.003 wt% to 0.4 wt%.
  • the additives according to the invention are prepared by adding one or also mixing several active substances with one or more optical brighteners, optionally also conventional granulation aids can be added, and then granulated this mixture according to known methods.
  • active substances can be in solid form, in the form of a melt, in Suspension or in dissolved form.
  • the optical brighteners can be used as a powder, as a suspension, but preferably added in dissolved form.
  • optical brightener In the preparation of a liquid mixture containing the optical brightener, may be a filtration of undissolved brightener portions before further processing prove beneficial.
  • optical brightener in powder form For example, selective pretreatment of the brightener, e.g. by grinding, one Improvement in processing and / or the achievable product quality cause.
  • the mixture of the individual components can in usual, batchwise or continuously operating mixing devices, usually with rotating Mixing organs are equipped, carried out, for example, in a ploughshare mixer for solid mixtures or a stirred tank for liquid mixtures.
  • a ploughshare mixer for solid mixtures
  • a stirred tank for liquid mixtures.
  • Effectiveness of the mixing device are the mixing times for a homogeneous Mixture generally between 30 seconds and 5 minutes.
  • the optical brightener and optionally Granulierinsmittel arise various options for further processing.
  • this substance can be moistened with an aqueous solution of a granulation aid or a solution of an optical brightener at room temperature or at elevated temperatures and then granulated and dried.
  • a granulation aid or a solution of an optical brightener at room temperature or at elevated temperatures and then granulated and dried.
  • the mixing agglomeration is conceivable, for example, ploughshare, ring-layer or Schugi mixer can be used. Most of the mixers are operated continuously, but it is conceivable for some types of mixers, a batch operation.
  • a subsequent post-drying for example in a fluidized bed dryer, may be necessary. The spraying can be done in a suitable mixer with subsequent drying or else directly in a dryer.
  • the preparation can also be done in such a way that all components (Active substance, optical brightener and possibly Granuliercousffen) dry mixed and granulated.
  • All components Active substance, optical brightener and possibly Granulieryggismittel
  • dry compaction on Roller compactors with subsequent comminution conceivable.
  • there is a possibility to improve the compacting properties before the Apply a certain amount of liquid to the dry powder mixture spray. It may prove advantageous if the optical brightener in the auxiliary liquid is dissolved.
  • plasticizer such as Polyethylene glycol one produced plastically deformable mass, which then through die holes is pressed.
  • the pressed strands thus produced can be achieved by using scrapers, Cutting knives or in Rondierettin shortened to the desired granule lengths become.
  • Common apparatuses for this process are e.g. Edge-runner presses, Flat die presses and extruders.
  • the plasticizer is very often water or else a fusible substance used. Depending on the selected plasticizer can after the granulation drying or Cooling of the granules will be required.
  • the mixture is all Components in the form of a solution or suspension, by means of a Spray process is converted into a dry form.
  • the spray liquid in spray drying e.g. in a nozzle or disk tower in DC or Gegenstromfahrweise, processed, can produce a fine-grained powder.
  • at the fluidized bed granulation is the spray liquid in a fluidized bed, consisting of a carrier material and / or the product mixture, to a Processed granules.
  • Common fluid bed apparatus are in round or rectangular shape and can be operated batchwise or continuously become.
  • the mixture of the components is in the form of a melt, this is in addition to the above mentioned spraying processes with the use of a cooling gas and a solidification Cooling bands or plates conceivable.
  • the application of the melt can take the form of a Layer, made by strips or by means of pastillation. After freezing the Melt can be further comminution to the desired particle size be required.
  • the product melts can also be processed in mixers be, wherein the melt on a suitable carrier or a mixture of applied or sprayed in different solids and in analogous Granulated for wet granulation. Instead of the downstream Drying this cooling is required.
  • the granules obtained according to the invention are directly for use in washing and Detergents suitable.
  • they can according to known methods with a coating shell be provided.
  • the optical brightener in the coating shell The total proportion of the content contained in the final granulate may be optical brightener distribute in any way on the core and coating shell.
  • Suitable coating agents are all film-forming substances, such as waxes, silicones, Fatty acids, fatty alcohols, soaps, anionic surfactants, nonionic surfactants, cationic surfactants, anionic and cationic polymers, polyethylene glycols as well Polyalkylene.
  • coating substances having a melting point of 30-100 ° C. used. Examples thereof as well as a method of application are disclosed in EP-A-0 835 926.
  • the application of the coating materials takes place in the Usually by spraying the molten or dissolved in a solvent Coating materials.
  • the coating material can be used in amounts of from 0 to 30% by weight, preferably from 5 to 15% by weight, based on the total weight, of granule core according to the invention are applied.
  • anionic or nonionic surfactants or polyalkylene glycols can be used as granulation aids.
  • Preferred anionic surfactants are alkali salts, ammonium salts, amine salts and salts of amino alcohols of the following compounds: alkyl sulfates, alkyl ether sulfates, alkyl amide sulfates and ether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, alkyl sulfonates, alkyl amide sulfonates, alkylaryl sulfonates, alpha-olefin sulfonates, alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkyl amide sulfosuccinates, alkyl sulfoacetates, Alkyl polyglycerol carboxylates, alkyl phosphates, al
  • the alkyl radical of all these compounds normally contains 8-32, preferably 8-22 C atoms.
  • Particularly preferred are linear straight-chain alkylbenzenesulfonates, in particular having a C 8 -C 20 -, more preferably having a C 11 -C 13 alkyl group.
  • nonionic surfactants are polyethoxylated, polypropoxylated or polyglycerolated ethers of fatty alcohols, polyethoxylated, polypropoxylated and polyglycerinated fatty acid esters, polyethoxylated esters of fatty acids and of Sorbitol, polyethoxylated or polyglycerinated fatty amides are preferred.
  • Suitable polyalkylene glycols are polyethylene glycols, 1,2-polypropylene glycols and also modified polyethylene glycols and polypropylene glycols.
  • the modified polyalkylene glycols include in particular sulfates and / or disulfates of polyethylene glycols or polypropylene glycols having a molecular weight between 600 and 12000 and in particular between 1000 and 4000.
  • Another group consists of mono- and / or disuccinates of polyalkylene glycols, which in turn have molecular weights between 600 and 6000, preferably between 1000 and 4000.
  • ethoxylated derivatives such as trimethylolpropane having 5 to 30 EO.
  • the polyethylene glycols preferably used may have a linear or branched structure, with particular preference being given to linear polyethylene glycols.
  • Particularly preferred polyethylene glycols include those having molecular weights between 2,000 and 12,000, advantageously about 4,000, wherein polyethylene glycols having molecular weights below 3500 and above 5000, especially in combination with polyethylene glycols having a molecular weight of 4000, can be used and advantageously such combinations are more than 50 wt .-%, based on the total amount of polyethylene glycols, polyethylene glycols having a molecular weight between 3500 and 5000 have.
  • the modified polyethylene glycols also include one or more end-capped polyethylene glycols, the end groups preferably being C 1 -C 12 -alkyl chains, preferably C 1 -C 6 , which may be linear or branched. Unilaterally end-capped polyethylene glycol derivatives may also correspond to the formula Cx (EO) y (PO) z , where Cx may be an alkyl chain having a C chain length of 1 to 20, y 50 to 500 and z 0 to 20. Likewise suitable are low molecular weight polyvinylpyrrolidones and derivatives of these having molecular weights of up to a maximum of 30,000. Preferred here are molecular weight ranges between 3,000 and 30,000. Polyvinyl alcohols are preferably used in combination with polyethylene glycols. PEG 4000 is particularly preferably used in the process according to the invention.
  • the Abrasion resistance of the additive granules may additionally one or more Added components that are liquid at room temperature or under the Processing conditions are present as a melt, for example, linear or branched fatty acids or ethoxylated fatty acids with 2 to 100 EO.
  • the mixture of all components described above can additionally low Contain amounts of a solvent, preferably less than 15% by weight, preferably less than 10% by weight, more preferably less than 7% by weight.
  • additives are substances that increase the pH during storage and Affect application. These include organic carboxylic acids or their salts, such as citric acid in anhydrous or hydrated form, glycolic acid, succinic acid, Maleic acid or lactic acid.
  • additives are possible that the Bleaching ability, such as complexing agents and transition metal complexes, e.g. Iron, cobalt or manganese-containing metal complexes as described in EP-A-0 458 397 and US Pat EP-A-0 458 398.
  • Example 1 Production of a Co-Granule from the Bleach Activators Ammonium nitrile and TAED
  • the amount of TAED required to complete the desired formulation of 139 g was submitted together with 495.7 g of fluidized bed material from preliminary tests (granules and comminuted coarse material) in the laboratory fluidized bed.
  • the material was fluidized with a gas volume flow of about 22 - 31 m 3 / h, the gas inlet temperature was about 90 - 95 ° C.
  • 820 g of the spray slurry were sprayed into the fluidized bed at a metering rate of 19-20 g / min. In this case, a temperature in the fluidized bed of about 65 - 72 ° C was established.
  • the granules thus produced were sieved to the target particle size 630-1180 ⁇ m and then measured for color.
  • As a comparison product was Fluidized bed granules with the same composition but without the addition of optical brighteners available.
  • Brightness L and color shift values a and b were determined using a LabScan XE LSXE and a calorimeter w / HunterLab DP-9000 processor, UV Control (HunterLab).
  • the characteristic value L is a measure of the degree of whiteness of the pattern, the pattern being the brighter or whiter the higher the L value is.
  • the a value describes shifts on the red (+ a) green (-a) scale
  • the b value describes shifts on the yellow (+ b) blue (-b) scale.
  • the granules have one noticeable yellow cast (+ b value) on what is in a bright or white environment is clearly visible and disturbing. With the addition of the brightener, however, the Yellowness significantly reduced and at the same time a slight improvement of Whiteness (L value) can be achieved.
  • Brightness L and color shift values a and b were determined using a LabScan XE LSXE and a calorimeter w / HunterLab DP-9000 processor, UV Control (HunterLab).
  • the characteristic value L is a measure of the degree of whiteness of the pattern, the pattern being the brighter or whiter the higher the L value is.
  • the a value describes shifts on the red (+ a) green (-a) scale
  • the b value describes shifts on the yellow (+ b) blue (-b) scale.
  • Example 3 Preparation of a granulate with the bleach activator NOBS
  • a product amount of about 5 g Tinopal CBS-X was ground in a commercial laboratory mill (Retsch) for 1 min, so that the optical brightener was present as a fine-grained powder with an average particle size of about 35 - 40 microns.
  • 1.98 g (0.28%) of the milled brightener were mixed with 594.1 g (85.44 wt.%) Nonanoyloxybenzenesulphonate, Na (NOBS), and 29.6 g (4.26 wt.%) Linear C 11 - 13 alkyl benzene sulfonate Na salt mixed in a plowshare mixer from Lödige homogeneous and at 63 -. heated 64 ° C.
  • Polyethylene glycol 4000 (50.0 g, 7.19% by weight) was heated to 80 ° C. and then melted and then mixed with 19.7 g (2.83% by weight) of nonanoic acid in a stirred vessel. Subsequently, the liquid mixture was metered at a temperature of 80 ° C to the NOBS / LAS mixture in the ploughshare mixer at a speed of 135 min -1 in a period of 30 sec and mixed homogeneously for a further 30 sec. The pasty mixture was transferred at a temperature of 65 ° C to 71 ° C in a single-shaft dome extruder - the Fa.
  • Brightness L and color shift values a and b were determined using a LabScan XE LSXE and a calorimeter w / HunterLab DP-9000 processor, UV Control (HunterLab).
  • the characteristic value L is a measure of the degree of whiteness of the pattern, the pattern being the brighter or whiter the higher the L value is.
  • the a value describes shifts on the red (+ a) green (-a) scale
  • the b value describes shifts on the yellow (+ b) blue (-b) scale.
  • the resulting granules according to the invention are directly for use in washing and Detergents suitable. You can optionally use a coating case be provided.
  • the amount of the additive depends in particular on its nature.
  • acidifying additives and organic catalysts to increase the performance of the peracid in amounts of 0 to 20 wt .-%, in particular in amounts of 1 to 10 wt .-%, based on the total weight, added, metal complexes in concentrations in the ppm range.
  • the resulting granules are characterized by a very good color quality, abrasion resistance and storage stability in powdered detergent, cleaning and disinfectant formulations. They are ideal for use in heavy-duty detergents, stain salts, machine dishwashing detergents, powdered all-purpose cleaners and denture cleaners.
  • the granules of the invention are usually in Used in combination with a hydrogen peroxide source.
  • a hydrogen peroxide source examples for this are Perborate monohydrate, perborate tetrahydrate, percarbonates as well Hydrogen peroxide adducts on urea or amine oxides.
  • the Formulation according to the prior art further detergent ingredients such as organic and inorganic builders and co-builders, surfactants, Enzymes, brighteners and perfume.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)
EP04017149A 2003-07-25 2004-07-21 Détergent additif Withdrawn EP1500696A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334045A DE10334045A1 (de) 2003-07-25 2003-07-25 Additive für Wasch- und Reinigungsmittel
DE10334045 2003-07-25

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JP (1) JP2005048184A (fr)
DE (1) DE10334045A1 (fr)

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CN105473699A (zh) * 2013-08-28 2016-04-06 诺维信公司 具有荧光增白剂的酶颗粒

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013830A1 (fr) * 1995-10-12 1997-04-17 Süd-Chemie AG Additif de lessive
DE19541964A1 (de) * 1995-11-10 1997-05-15 Henkel Kgaa Granulares, Bleichaktivatoren enthaltendes Bleichhilfsmittel
US5714456A (en) * 1996-03-15 1998-02-03 Amway Corporation Process for making discrete whitening agent particles
EP0846758A2 (fr) * 1996-12-09 1998-06-10 Henkel Kommanditgesellschaft auf Aktien Additif détergent
DE19855676A1 (de) * 1998-12-02 2000-06-08 Henkel Kgaa Wasch- und Reinigungsmitteladditiv und Verfahren zu dessen Herstellung
WO2003089108A1 (fr) * 2002-04-19 2003-10-30 Ciba Specialty Chemicals Holding Inc. Agents de regulation de mousse

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997013830A1 (fr) * 1995-10-12 1997-04-17 Süd-Chemie AG Additif de lessive
DE19541964A1 (de) * 1995-11-10 1997-05-15 Henkel Kgaa Granulares, Bleichaktivatoren enthaltendes Bleichhilfsmittel
US5714456A (en) * 1996-03-15 1998-02-03 Amway Corporation Process for making discrete whitening agent particles
EP0846758A2 (fr) * 1996-12-09 1998-06-10 Henkel Kommanditgesellschaft auf Aktien Additif détergent
DE19855676A1 (de) * 1998-12-02 2000-06-08 Henkel Kgaa Wasch- und Reinigungsmitteladditiv und Verfahren zu dessen Herstellung
WO2003089108A1 (fr) * 2002-04-19 2003-10-30 Ciba Specialty Chemicals Holding Inc. Agents de regulation de mousse

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* Cited by examiner, † Cited by third party
Title
ANOYMOUS: "Whitening of granular compositions", RESEARCH DISCLOSURE, no. 441, January 2001 (2001-01-01), pages 115 - 115, XP001128029 *

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