EP1913124A1 - Procede pour realiser des granulats de catalyseur de blanchiment - Google Patents

Procede pour realiser des granulats de catalyseur de blanchiment

Info

Publication number
EP1913124A1
EP1913124A1 EP06776385A EP06776385A EP1913124A1 EP 1913124 A1 EP1913124 A1 EP 1913124A1 EP 06776385 A EP06776385 A EP 06776385A EP 06776385 A EP06776385 A EP 06776385A EP 1913124 A1 EP1913124 A1 EP 1913124A1
Authority
EP
European Patent Office
Prior art keywords
fluidized bed
bleach catalyst
iii
alkyl
acidic polymer
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.)
Granted
Application number
EP06776385A
Other languages
German (de)
English (en)
Other versions
EP1913124B1 (fr
Inventor
Georg Borchers
Andreas Schottstedt
Michael Wessling
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 Produkte Deutschland 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 Produkte Deutschland GmbH filed Critical Clariant Produkte Deutschland GmbH
Publication of EP1913124A1 publication Critical patent/EP1913124A1/fr
Application granted granted Critical
Publication of EP1913124B1 publication Critical patent/EP1913124B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C11D3/39—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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C11D11/0088—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads the liquefied ingredients being sprayed or adsorbed onto solid particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D3/3932—Inorganic compounds or complexes

Definitions

  • the invention relates to a process for the preparation of granules containing a bleach catalyst and an acidic component, and optionally further additives, wherein granulating an aqueous solution or suspension containing a bleach catalyst and an acidic component in a pneumatically generated fluidized bed and drying at the same time.
  • the Wirbel Anlagengranuiate characterized by a very good storage stability, uniform morphology and high abrasion resistance.
  • bleach catalysts in detergents and cleaning agents enables very efficient stain removal even at low wash temperatures at low use concentrations.
  • organometallic complex compounds are represented by Formula 2:
  • M is Mn (II), Mn (III), Mn (IV), Mn (V), Cu (I), Cu (II), Cu (III), Fe (II), Fe (III), Fe (IV), Fe (V), Co (I), Co (II), Co (III), Ti (Ii), Ti (II), Ti (IV), V (II), V (III), V (IV), V (V), Mo (II),
  • L is a ligand according to formula (1), preferably dimethyl-2,4-di- (2-pyridyl) -3-methyl-7- (pyridin-2-ylmethyl) -3,7, diazabicyclo (3.3.1) nonane -9-one-one, 5-dicarboxylate or its protonated form,
  • X is a singly, doubly or triply charged anion or a neutral molecule that can coordinate with M
  • Y is a noncoordinating counterion and a is an integer from 1 to 10 k is an integer from 1 to 10 n is an integer from 0 to 10 m is an integer from 0 to 20.
  • Bleaching catalyst in the form of a dry powder with sodium sulfate and an aqueous solution of a binder, such as an acidic polymer such as Sokalan ® CP45 is mixed in a high-speed mixer and then the moist granules are dried in a fluidized bed.
  • a binder such as an acidic polymer such as Sokalan ® CP45
  • the catalyst is to be formulated from an aqueous solution or suspension, a number of process engineering difficulties may arise.
  • Liquid loading capacity to be used such as said, particularly preferred sodium sulfate.
  • More suitable support materials may e.g. Silicas, bentonites, zeolites o.a. but most often have the disadvantage of water insolubility or other incompatibilities (e.g., alkaline pH). Nevertheless, even with these carriers there is a risk that the loading limit is exceeded and clumping and increased coarse material formation occurs.
  • binders which, in addition to the binder function, also allow the setting of an acidic pH. Common are here
  • the invention thus provides a process for the preparation of bleach activator granules containing a bleach catalyst, an acid
  • This process comprises forming a fluidized bed from the support material in a fluidized bed apparatus, metering into this fluidized bed an aqueous solution or suspension which contains the bleach catalyst, the acidic polymer and optionally the further additives, granulated and dried.
  • the granules thus obtained can then be provided with a Coatingh ⁇ lle according to known methods.
  • the bleach catalyst according to the present invention there are preferably used the compounds of the formula (1) as defined above and the metal complexes of the above formula (2) containing the compounds of the formula (1) as a ligand.
  • the compound dimethyl-2,4-di- (2-pyridyl) -3-methyl-7- (pyridin-2-ylmethyl) -3,7-diazabicyclo [3.3.1] nonane-9-one is preferably 1,5-dicarboxylate.
  • the acidic polymers used in the process according to the invention are preferably water-soluble acidic polymers.
  • water-soluble it is meant that they are soluble at 20 ° C. to more than 5 g / l. 1% solutions of these polymers have a pH ⁇ 7, preferably ⁇ 5.5.
  • the polymers used usually have a molecular weight in the range from 1000 to 280,000, preferably 1500 to 150,000.
  • Polymeric polycarboxylates may homopolymers or copolymers of acrylic, methacrylic or maleic acid, furthermore copolymers of these acids with vinyl ethers, such as vinyl methyl ether or vinyl ethyl ether, vinyl esters, such as vinyl acetate or vinyl propionate, acrylamide, methacrylamide and ethylene, propylene or styrene, and the water-soluble Be salts of these polymers.
  • Particularly suitable are polymers of acrylic acid, modified polyacrylates, copolymers of acrylic acid and maleic acid, as well as copolymers of maleic acid and olefins.
  • Such polymers are, for example, under the name Sokalan ® commercially. Preference is given to the types Sokalan CP 12S and Sokalan CP 13S.
  • the support materials used in the process according to the invention can be inorganic and / or organic in nature.
  • Suitable inorganic carriers are finely crystalline, synthetic zeolites, for example zeolite A, X and / or P or mixtures of these zeolites, as well as amorphous alkali metal silicates or crystalline layered silicates, sodium carbonate, sodium bicarbonate, sodium sulfate and trisodium citrate or mixtures of these carrier substances.
  • alkali metal phosphates which may be in the form of their alkaline, neutral or acidic sodium or potassium salts. Examples of these are trisodium phosphate, tetrasodium diphosphate,
  • Disodium dihydrogen diphosphate pentasodium triphosphate, so-called sodium hexametaphosphate, oligomeric trisodium phosphate with degrees of oligomerization of 5 to 1000, in particular 5 to 50, and mixtures of sodium and potassium salts.
  • a preferred carrier material is sodium sulfate.
  • the bleach catalyst granules produced by the process according to the invention can, based on the finished granules, 30 wt .-% to 99 wt .-%, preferably 50 wt .-% to 90 wt .-%, particularly preferably 80 wt .-% to 88 wt .-% carrier material.
  • the bleach catalyst granules prepared according to the invention may contain as further substances additional binders, acidic additives or granulation aids.
  • Suitable binders are cellulose and starch and their ethers or esters, for example carboxymethylcellulose (CMC), methylcellulose (MC) or hydroxyethylcellulose (HEC) and the corresponding starch derivatives, but also film-forming polymers, for example polyacrylic acids or their salts.
  • the amount of binder, based on the finished granules, can be from 0 to 45% by weight, preferably from 1 to 30% by weight.
  • the amount of acidic additive in addition to the acidic polymers used according to the invention and defined above, in particular in addition to the Sokalan types is such that the proportion of the acidic additive in the finished granules about 0 to 20 wt .-%, preferably 1 to 10 Wt .-%, in particular 2 to 6 wt .-% is.
  • anionic or nonionic surfactants or polyalkylene glycols 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, alkyl phosphates, alkyl phosphates, alkyl phosphates
  • the alkyl radical of all these compounds normally contains 8 to 32, preferably 8 to 22 C atoms.
  • Particularly preferred are linear straight-chain alkylbenzenesulfonates, in particular having a C 8 -C 20 -, especially preferably with a Cn- 13- alkyl group or arylsulfonates, for example cumene sulfonate.
  • nonionic surfactants it is possible to use polyethoxylated, polypropoxylated or polyglycerolated ethers of fatty alcohols, polyethoxylated, polypropoxylated and polyglycerolated fatty acid esters, polyethoxylated esters of fatty acids and of sorbitol, polyethoxylated or polyglycerolated fatty amides.
  • An aqueous solution or suspension of the bleach catalyst containing about 5 wt% to 50 wt%, preferably 10 wt% to 40 wt%, more preferably 20 to 35 wt% of bleach catalyst, based on aqueous solution or suspension is at 10 0 C to 40 0 C, preferably at room temperature with an aqueous solution containing 5 to 80 wt .-%, preferably 10 to 60 wt .-%, particularly preferably 20 to 55 wt .-% of acidic polymer, for example Sokalan CP 13.
  • the mixing ratio of bleach catalyst to acidic polymer is preferably in the range of 1: 1 to 1: 3, preferably 1: 5: 2.5, more preferably 1: 6: 2 parts by weight.
  • This mixture is then sprayed onto the carrier material in a fluidized bed apparatus.
  • fluidized bed apparatuses For the preparation of the bleach catalyst granules fluidized bed apparatuses are used, which may be preferably cylindrical or conical or rectangular.
  • the fluidized bed apparatuses are round and have bottom plates with dimensions of at least 0.4 m in diameter.
  • fluidized bed apparatuses are preferred which have a bottom plate with a diameter between 0.4 m and 3 m, for example 1, 2 m or 2.5 m.
  • the fluidized bed apparatuses may have a rectangular shape, wherein the inflow surface from 0.2 to 10 m 2 , for example, 1, 25 m 2 or 7.5 m 2 .
  • a perforated bottom plate or a Conidurplatte, a wire mesh or a combination bottom of a perforated plate with a grid can be used.
  • the granulation process according to the invention can be carried out either batchwise or continuously.
  • the support material is initially introduced into the apparatus and then sprayed with the granulation liquid containing the bleach catalyst, the acidic polymer and optionally the other additives.
  • the process parameters are set in such a way that granulation takes place to achieve the desired particle sizes.
  • After reaching the required concentration of the bleach catalyst spraying is stopped.
  • the solid carrier material and the granulating liquid are metered into the apparatus at the same time. It is important to ensure that both product streams are dosed in the right proportion to each other in order to achieve the required granule composition.
  • An additional solids feed for example of dust-like fines of the finished granules or of powdered formulation components may be advantageous.
  • a further process variant is that the aqueous mixture of bleach catalyst, acidic polymer and optionally further additives prepared by mixing at room temperature, optionally heated to a temperature of 25 ° C to 85 0 C, pumped via a suitable pump to the nozzle and of is sprayed into the fluidized bed below.
  • the air inlet temperature is between 90 and 97 ° C.
  • the vortex air cools due to heat loss and the heat of evaporation of the solvent.
  • the air outlet temperature is between 55 ° C and 65 ° C.
  • the water content of the products can be set within wide limits.
  • drying takes place simultaneously with the granulation in the fluidized bed.
  • the process is conducted so that the water content of the finished granules is ⁇ 2 wt .-%.
  • the discharge of the finished granulate from the fluidized bed is advantageously carried out by size classification of the granules.
  • This classification can be carried out by a visible discharge, which is regulated so that only particles above a certain particle size discharged from the fluidized bed and smaller particles are retained in the fluidized bed.
  • the particles discharged from the gas stream above the fluidized bed are separated (e.g., by dust filters). The separated dust is returned to the fluidized bed in the area of the spray nozzle where re-wetting occurs.
  • Granules preferred according to the invention have a d50 value between 0.2 and 0.9 mm.
  • the Komanteil is greater than 1, 0 mm, returned. This coarse fraction can be added after grinding as a solid component of the fluidized bed.
  • the inventive method allows simultaneous granulation and drying, so that the composition of the granulating liquid to be processed can be varied within very wide limits without encountering process-limiting limits. This flexibility allows a problem-free adaptation of the necessary additive content to the granulate requirements.
  • the granules obtained according to the invention are suitable directly for use in detergents and cleaners. They are characterized by a good chemical and physical storage stability, high abrasion stability and still good solubility in the application.
  • 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 and polyalkylene glycols. Particularly preferred are polymeric polycarboxylates.
  • Polymeric polycarboxylates may be homo- or copolymers of acrylic, methacrylic or maleic acid, copolymers of these acids with vinyl ethers such as vinyl methyl ether or vinyl ethyl ether, vinyl esters such as vinyl acetate or vinyl propionate, acrylamide, methacrylamide and ethylene, propylene or styrene, and the water-soluble salts of these polymers.
  • vinyl ethers such as vinyl methyl ether or vinyl ethyl ether
  • vinyl esters such as vinyl acetate or vinyl propionate
  • acrylamide, methacrylamide and ethylene, propylene or styrene acrylamide, methacrylamide and ethylene, propylene or styrene
  • Particularly useful are polymers of acrylic acid, modified polyacrylates, copolymers of acrylic acid and maleic acid, and copolymers of maleic acid and olefins, especially Sokalan ® grades from BASF, particularly preferably Sokal
  • C 8 -C 3 i fatty acids for example: lauric, myristic, stearic acid
  • dicarboxylic acids for example glutaric acid, adipic acid or their anhydrides
  • Phosphonic acids optionally phosphonic acids in admixture with other common coating agents, in particular fatty acids, for example stearic acid, C 8 -C 3 i-fatty alcohols
  • Polyalkenyl glycols eg
  • Nonionics eg C 8 -C 3 i-fatty alcohol polyalkoxylates with 1 to 100 moles EO
  • Anionics eg alkanesulfonates, alkylbenzenesulfonates, ⁇ -olefinsulfonates, alkyl sulfates, alkyl ether sulfates with C ⁇ -Car hydrocarbon radicals
  • Polymers eg polyvinyl alcohols
  • Waxes eg: montan waxes, paraffin waxes, ester waxes, polyolefin waxes
  • Silicones eg:
  • Organic substances eg mono- or polybasic carboxylic acids, Hydroxycarboxylic acids or ether carboxylic acids having 3 to 8 C atoms and salts thereof
  • dyes eg: silicates, carbonates, bicarbonates, sulfates, phosphates, phosphonates.
  • Bleach catalyst granules the content of coating substance 1 to 30 wt .-%, preferably 5 to 15 wt .-%, based on coated bleach catalyst granules amount.
  • mixers mechanically induced fluidized bed
  • fluidized bed apparatuses pneumatically induced fluidized bed
  • Ploughshare mixers continuous and batchwise
  • ring layer mixers or even Schugi mixers possible.
  • the coating substance can be sprayed on a single-component or a two-component nozzle device.
  • the storage stability and hygroscopicity, as well as the compatibility with other detergent ingredients, in particular strongly alkaline components can be further improved and the reaction kinetics can be selectively influenced, in this way
  • the granules according to the invention are characterized by a very good storage stability in powdered washing, cleaning and
  • Sodium sulfate was introduced as a fine free-flowing product in the fluidized bed apparatus in batches and then warmed up by the fluidizing air. After reaching the starting temperature, the liquid metering was started and via a two-fluid nozzle, the liquid mixture containing dimethyl-2,4-di- (pyridyl) -3-methyl-7- (pyridin-2-ylmethyl-3,7-diazabicyclo (3.3.1 ) Nonan-9-one-1, 5-dicarboxylate as a bleach activator and an acid-modified (meth) acrylic acid copolymer (Sokalan CP 13S) as an acidic polymer were atomized into the moving fluidized bed The amount of spray liquid conveyed with a peristaltic pump was detected gravimetrically by means of a balance .
  • the inlet air temperature was approximately 95 - set 97 0 C. with the optimal spray performance, a temperature set in a fluidized bed of approx. 64 - 65 ° C, where this temperature level was kept stable after a trial period of about 64.
  • a fractionation was carried out by screening off the coarse fractions> 1000 ⁇ m and fines ⁇ 200 ⁇ m n experimental settings, a granule yield of about 90.4% was achieved for the target grain area.
  • the bulk density of the granules was about 884 g / l, the abrasion content was 12.9%.
  • the final granulate was composed as follows:
  • Example 2 Granulation with acidic component and addition of a further additive
  • Sodium sulfate was introduced as a fine free-flowing product in the fluidized bed apparatus in batches and then warmed up by the fluidizing air. After reaching the starting temperature, the Fiüsstechniksdostechnik was started and via a two-fluid nozzle, the liquid mixture containing the same bleach activator and the same acidic polymer as in Example 1 and maleic acid (additive) was atomized into the moving fluidized bed. The amount of spray liquid delivered with a peristaltic pump was recorded gravimetrically by means of a balance. The supply air temperature was set to approx. 95 - 97 ° C. With adjustment of the optimum spraying power, a temperature in the fluidized bed of about 65 to 70 ° C.

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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)
  • Catalysts (AREA)

Abstract

L'invention concerne un procédé pour réaliser des granulats de catalyseur de blanchiment, ces granulats contenant un catalyseur de blanchiment, un polymère acide, un support et éventuellement d'autres additifs. L'invention est caractérisée en ce qu'un lit fluidisé est créé à partir du support dans un appareil à lit fluidisé, une solution aqueuse ou une suspension aqueuse est dosée et ajoutée au lit fluidisé, cette solution ou suspension contenant le polymère acide et éventuellement les autres additifs, avant granulation et séchage. Ce procédé est particulièrement adapté à des catalyseurs de blanchiment de formule (I) où R, R1, R2, R3 et X ont les significations indiquées dans la description.
EP06776385A 2005-07-28 2006-07-25 Procede pour realiser des granulats de catalyseur de blanchiment Active EP1913124B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005035916A DE102005035916A1 (de) 2005-07-28 2005-07-28 Verfahren zur Herstellung von Bleichkatalysator-Granulaten
PCT/EP2006/007293 WO2007012451A1 (fr) 2005-07-28 2006-07-25 Procede pour realiser des granulats de catalyseur de blanchiment

Publications (2)

Publication Number Publication Date
EP1913124A1 true EP1913124A1 (fr) 2008-04-23
EP1913124B1 EP1913124B1 (fr) 2009-06-17

Family

ID=37247540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06776385A Active EP1913124B1 (fr) 2005-07-28 2006-07-25 Procede pour realiser des granulats de catalyseur de blanchiment

Country Status (8)

Country Link
US (1) US20090256113A1 (fr)
EP (1) EP1913124B1 (fr)
JP (1) JP5175726B2 (fr)
BR (1) BRPI0613853A2 (fr)
DE (2) DE102005035916A1 (fr)
ES (1) ES2327448T3 (fr)
MX (1) MX2008001214A (fr)
WO (1) WO2007012451A1 (fr)

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US11330988B2 (en) 2007-06-12 2022-05-17 Sotera Wireless, Inc. Body-worn system for measuring continuous non-invasive blood pressure (cNIBP)
JP5412138B2 (ja) * 2009-02-24 2014-02-12 ライオン株式会社 洗剤添加用粒子、洗剤組成物及び洗剤添加用粒子の製造方法
DE102009051462B4 (de) * 2009-10-30 2015-02-05 Clariant International Ag Verfahren zur Herstellung eines Kompositmaterials, Kompositmaterial und dessen Verwendung
CA2782583C (fr) * 2009-12-24 2018-03-20 Akzo Nobel Chemicals International B.V. Particules revetues d'un agent chelatant a base de n,n-diacetate d'acide glutamique
US20110224500A1 (en) 2010-03-10 2011-09-15 Sotera Wireless, Inc. Body-worn vital sign monitor
AR088676A1 (es) * 2011-11-11 2014-06-25 Procter & Gamble Composiciones para tratar superficies incluyendo sales protectoras
ES2894685T3 (es) 2013-08-16 2022-02-15 Catexel Tech Limited Composición
US9624119B2 (en) * 2014-06-13 2017-04-18 Ecolab Usa Inc. Enhanced catalyst stability in activated peroxygen and/or alkaline detergent formulations
PL3190168T3 (pl) * 2016-01-06 2019-10-31 Dalli Werke Gmbh & Co Kg Powlekany katalizator bielenia
JP2019507808A (ja) * 2016-03-11 2019-03-22 ユニリーバー・ナームローゼ・ベンノートシヤープ 漂白触媒顆粒を含む流動性洗剤懸濁液
DE102017004742A1 (de) 2017-05-17 2018-11-22 Weylchem Wiesbaden Gmbh Beschichtete Granulate, deren Verwendung und Wasch- und Reinigungsmittel enthaltend diese

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GB8925621D0 (en) * 1989-11-13 1990-01-04 Unilever Plc Process for preparing particulate detergent additive bodies and use thereof in detergent compositions
DE19841184A1 (de) * 1998-09-09 2000-03-16 Clariant Gmbh Bleichaktivatorgranulate
GB0103871D0 (en) * 2001-02-16 2001-04-04 Unilever Plc Bleaching composition of enhanced stability and a process for making such a composition
DE10161766A1 (de) * 2001-12-15 2003-06-26 Clariant Gmbh Bleichaktivator-Co-Granulate
US20070072787A1 (en) * 2003-05-21 2007-03-29 Menno Hazenkamp Stable particulate composition comprising bleach catalysts
GB0325432D0 (en) * 2003-10-31 2003-12-03 Unilever Plc Ligand and complex for catalytically bleaching a substrate

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Also Published As

Publication number Publication date
WO2007012451A1 (fr) 2007-02-01
MX2008001214A (es) 2008-03-24
DE502006004011D1 (de) 2009-07-30
US20090256113A1 (en) 2009-10-15
ES2327448T3 (es) 2009-10-29
DE102005035916A1 (de) 2007-02-01
EP1913124B1 (fr) 2009-06-17
JP5175726B2 (ja) 2013-04-03
JP2009502458A (ja) 2009-01-29
BRPI0613853A2 (pt) 2011-02-15

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