EP1543099A1 - Procede de coloration de carbonate de sodium et utilisation du carbonate de sodium colore dans des formulations de produits de lavage et de nettoyage - Google Patents

Procede de coloration de carbonate de sodium et utilisation du carbonate de sodium colore dans des formulations de produits de lavage et de nettoyage

Info

Publication number
EP1543099A1
EP1543099A1 EP03753424A EP03753424A EP1543099A1 EP 1543099 A1 EP1543099 A1 EP 1543099A1 EP 03753424 A EP03753424 A EP 03753424A EP 03753424 A EP03753424 A EP 03753424A EP 1543099 A1 EP1543099 A1 EP 1543099A1
Authority
EP
European Patent Office
Prior art keywords
sodium carbonate
water
dyeing
colored
detergent
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
EP03753424A
Other languages
German (de)
English (en)
Other versions
EP1543099B1 (fr
Inventor
Thomas Staffel
Jürgen STRAUB
Angelika Metz
Walter Kaffenberger
Günter Raab
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.)
BK Giulini GmbH
Original Assignee
BK Giulini 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 BK Giulini GmbH filed Critical BK Giulini GmbH
Publication of EP1543099A1 publication Critical patent/EP1543099A1/fr
Application granted granted Critical
Publication of EP1543099B1 publication Critical patent/EP1543099B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • 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
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/10—Salts
    • C11D7/12—Carbonates bicarbonates

Definitions

  • the present invention relates to a process for dyeing anhydrous sodium carbonate and its use as an aesthetic and detergent additive in detergent and cleaning agent formulations
  • Polyphosphates especially colored, sodium tripolyphosphates (NTPP) in cleaning agents e.g. used in washing powders or dishwashers. These compounds were incorporated in the detergent formulations in the form of non-glossy granules or round particles.
  • NTPP sodium tripolyphosphates
  • hydratable, inorganic alkaline salts selected from the group of tripolyphosphates, pyrophosphates, orthophosphates and mixtures thereof, are colored in a mixer together with a surfactant, for example sodium dodecylbenzenesulfonate and the corresponding dye or pigment.
  • a surfactant for example sodium dodecylbenzenesulfonate
  • Dyes or color pigments are used here, which form a paste or slurry with the surfactant.
  • This surfactant / dye slurry is then mixed with the phosphate in the corresponding mixing device. This results in free-flowing colored granules with a certain particle size.
  • the suitability of sodium carbonate as a particle to be colored has been mentioned.
  • Application WO-00/27980 describes a detergent formulation which contains solid, colored particles which have a so-called “transparency index” of at least 5% and a “sparkle index” of at least 5%.
  • Colored particles are crystalline, hydrated inorganic salts, crystalline organic acids, crystalline surfactants saccharides or their mixtures, page 5, line 25 ff.
  • a crystalline colored trisodium citrate dihydrate is preferably used.
  • the inventors see the advantage of using the crystalline salts in that less dye is required due to the surface properties of the crystals.
  • the dyeing process can be carried out both in an aqueous medium and in a non-aqueous medium; in the latter case, subsequent drying is not necessary and is therefore preferred.
  • the coloring takes place here in a mixing device, whereby sodium citrate is mixed with the dye paste. After drying, the colored sodium citrate particles with a dye content of lOOOppm are formed.
  • DE 100 48 875 describes a process for the production of colored detergent and cleaning agent particles, which is characterized in that the colorant is added to the ingredients as a solution in a solvent mixture of water and at least one organic polar solvent.
  • the ingredients include the silicates, all types of zeolites, the phosphates, but also the carbonates and / or hydrogen carbonates.
  • Particles are used according to DE-39 26 253 AI, see examples, page 10. It was found here that by using a solvent mixture consisting of water and a polar organic solvent, a uniform color entry into the starting components of the particles to be produced and thus a uniform coloring of the finished particles can be achieved.
  • Preferred dyes in this process are those which can be oxidatively destroyed in the washing process, and also mixtures thereof with suitable blue dyes, so-called blue toners.
  • the detergent produced by this process should be colored in such a way that it does not develop too strong an affinity for the textile surfaces and in particular for synthetic fibers when used, page 2, lines 56 ff.
  • sodium carbonates and / or hydrogen carbonates are mentioned as ingredients to be colored in DE 100 48 875, the process presented here is disadvantageous.
  • the colorant is added to the ingredients as a solution in a solvent mixture consisting of water and at least one polar solvent.
  • the solvent mixture must be worked up again after use, i.e. may be separated by distillation or disposed of expensive.
  • organic solvents for environmental protection reasons, work must be carried out in a closed reactor.
  • the use of water as the reaction medium makes it possible to dispense with systems with an explosion protection device. This makes the process less complicated, safer for the employees and more economical.
  • the task was therefore to provide a really simple and environmentally friendly process for the production of colored detergent and cleaning agent components. It is desirable to develop such colored particles, both for the detergent industry and for the cleaning industry, i.e. for the production of washing powders in the textile sector, as well as for the production of powdered cleaning agents, e.g. for automatic dishwashers.
  • the process according to the invention is characterized in that anhydrous sodium carbonate of the formula Na 2 CO 3 is brought into contact with the aqueous coloring solution in a continuously operating mixing device, the carbonate is colored with the coloring solution as it passes through the mixing section and then demineralized as a dry, free-flowing powder Mixer is removed.
  • the mixing time is a minimum of 1 minute and a maximum of 15 minutes, depending on the amount of powder to be colored, which is then sieved, so that a particle size distribution of 125 ⁇ m to 1000 ⁇ m is created.
  • only water is used as the reaction medium, so that there is no need for separation or disposal
  • a further preferred process variant for dyeing anhydrous sodium carbonate is characterized in that powdery anhydrous sodium carbonate and powdery dyes and / or dye pigments are dryly mixed with one another for a period of at least 2 minutes, during the mixing process water is continuously added in an amount such that of the dyes dissolves, coloring the sodium carbonate powder.
  • the colored product is obtained as a dry powder that is removed from the mixer.
  • water-soluble dyes are used.
  • the water-soluble dyes from the compound classes of quinolines, azo dyes, xanthenes, hidigoids and anthraquinones are used.
  • dye pigments can also be used which, depending on their solubility in water, are used either as aqueous solutions or as aqueous suspensions.
  • the concentration of the dye solution or the dye suspension is 0.1 to 4.9% by weight, preferably 0.5 to 2.5% by weight.
  • These dyes are compatible with the anhydrous soda, both in terms of the pH value and in terms of their stability also with respect to other detergent and cleaning agent ingredients, e.g. with bleaching agents or optical brighteners etc.
  • the soda particles colored according to the invention can therefore be incorporated into any washing and cleaning agent formulation without problems.
  • the anhydrous sodium carbonate used for dyeing according to the invention is commercially available, e.g. from Solvay It is a special, calcined grade with a maximum water absorption capacity of 10% by weight, which corresponds to a maximum of one mole of crystal water content.
  • the carbonate is not crystalline and has no surface gloss because it is predominantly amorphous.
  • the colored particles are subjected to a sieving after the coloring process and only those are selected which have a particle spectrum of 125 to 1000 ⁇ m, preferably 250 to 500 ⁇ m can be found. A subsequent grinding, agglomeration or granulation is therefore not necessary. ,
  • the very simple process also creates soda particles. a homogeneous color, in free-flowing, dry form. During the dyeing process, heat is released through the exothermic
  • the raw material is 2000g of anhydrous sodium carbonate, calcined in the form of a dry powder, placed in a mixer. 4 g of Basovit Green 876 dye is also added to the mixer in dry form and mixed with the sodium carbonate powder. A Lödige ploughshare mixer was used as the mixing unit. 196 g of water are slowly added during the mixing process. After a mixing time of 2 min. the product is removed. The product is homogeneously colored and is obtained as a dry, free-flowing powder.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne un procédé de coloration de carbonate de sodium anhydre, ainsi que l'utilisation du carbonate de sodium coloré comme additif esthétique et détergent dans des formulations de produits de lavage et de nettoyage. Ce procédé de coloration fait appel exclusivement à des colorants solubles dans l'eau, ce qui constitue un avantage majeur par rapport aux autres procédés qui utilisent des solvants organiques. Une variante préférée du procédé selon l'invention se caractérise par l'utilisation de colorants pulvérulents. Cette variante permet d'obtenir une coloration homogène du carbonate de sodium.
EP03753424.5A 2002-09-18 2003-09-17 Procede de coloration de carbonate de sodium et utilisation du carbonate de sodium colore dans des formulations de produits de lavage et de nettoyage Expired - Lifetime EP1543099B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10243329A DE10243329B3 (de) 2002-09-18 2002-09-18 Verfahren zum Färben von Natriumcarbonat und seine Verwendung in Wasch- und Reinigungsmittelformulierungen
DE10243329 2002-09-18
PCT/EP2003/010343 WO2004029189A1 (fr) 2002-09-18 2003-09-17 Procede de coloration de carbonate de sodium et utilisation du carbonate de sodium colore dans des formulations de produits de lavage et de nettoyage

Publications (2)

Publication Number Publication Date
EP1543099A1 true EP1543099A1 (fr) 2005-06-22
EP1543099B1 EP1543099B1 (fr) 2017-02-15

Family

ID=32038161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03753424.5A Expired - Lifetime EP1543099B1 (fr) 2002-09-18 2003-09-17 Procede de coloration de carbonate de sodium et utilisation du carbonate de sodium colore dans des formulations de produits de lavage et de nettoyage

Country Status (8)

Country Link
EP (1) EP1543099B1 (fr)
AU (1) AU2003271616A1 (fr)
DE (1) DE10243329B3 (fr)
DK (1) DK1543099T3 (fr)
ES (1) ES2616567T3 (fr)
HU (1) HUE035640T2 (fr)
PT (1) PT1543099T (fr)
WO (1) WO2004029189A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0914437D0 (en) * 2009-08-18 2009-09-30 Brunner Mond Uk Ltd Granular hueing ingredient for fabric washing compositions
DE102017130878A1 (de) * 2017-12-21 2019-06-27 Buck Group AG Duftzusatz für Wäsche

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032720B (de) * 1956-04-26 1958-06-26 Knapsack Ag Verfahren und Vorrichtung zur Herstellung von Granuelen bestimmter Korngroessengrenzen
NL126866C (fr) * 1967-09-21
CA980957A (en) * 1971-11-26 1976-01-06 Randall B. Hall Substantially uncolored detergent products containing coloring materials
DE2632367C2 (de) * 1975-07-23 1986-03-27 The Procter & Gamble Co., Cincinnati, Ohio Granulierte gefärbte Partikel
US4097418A (en) * 1975-10-06 1978-06-27 The Procter & Gamble Company Granular colored speckles
GB8325326D0 (en) * 1983-09-21 1983-10-26 Unilever Plc Coloured detergent powder
DE3926253A1 (de) * 1989-08-09 1991-02-14 Henkel Kgaa Verdichtete wasch- und reinigungsmittel in granulatform, verfahren zu ihrer herstellung und anwendung des verfahrens zur gewinnung lagerstabil rieselfaehiger waschmittel-konzentrate
DE19542830A1 (de) * 1995-11-17 1997-05-22 Henkel Kgaa Für die Einarbeitung in ein Wasch- und Reinigungsmittel geeignetes gefärbtes Teilchen
JP3959559B2 (ja) * 1997-04-24 2007-08-15 ライオン株式会社 義歯洗浄剤用粒状着色物の製造方法及び義歯洗浄剤
DE19821695A1 (de) * 1998-05-14 1999-11-25 Henkel Kgaa Gefärbte maschinelle Geschirrspülmittel
GB2343456A (en) * 1998-11-06 2000-05-10 Procter & Gamble Speckle particles and compositions containing the speckle particles
DE10048875A1 (de) * 2000-09-29 2002-04-25 Henkel Kgaa Verfahren zur Herstellung von gefärbten Wasch- und Reinigungsmittelteilchen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004029189A1 *

Also Published As

Publication number Publication date
DK1543099T3 (en) 2017-03-13
WO2004029189A1 (fr) 2004-04-08
PT1543099T (pt) 2017-03-10
HUE035640T2 (en) 2018-05-28
EP1543099B1 (fr) 2017-02-15
DE10243329B3 (de) 2004-06-03
ES2616567T3 (es) 2017-06-13
AU2003271616A1 (en) 2004-04-19

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