EP0268170B2 - Composition de blanchiment stable dans le magasin avec une puissance de solution améliorée - Google Patents

Composition de blanchiment stable dans le magasin avec une puissance de solution améliorée Download PDF

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Publication number
EP0268170B2
EP0268170B2 EP87116481A EP87116481A EP0268170B2 EP 0268170 B2 EP0268170 B2 EP 0268170B2 EP 87116481 A EP87116481 A EP 87116481A EP 87116481 A EP87116481 A EP 87116481A EP 0268170 B2 EP0268170 B2 EP 0268170B2
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EP
European Patent Office
Prior art keywords
weight
mixture
constituent
urea
quantities
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.)
Expired - Lifetime
Application number
EP87116481A
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German (de)
English (en)
Other versions
EP0268170B1 (fr
EP0268170A2 (fr
EP0268170A3 (en
Inventor
Heinz-Manfred Wilsberg
Rolf Dr. Puchta
Jochen Dr. Jacobs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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Publication date
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Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to AT87116481T priority Critical patent/ATE92519T1/de
Publication of EP0268170A2 publication Critical patent/EP0268170A2/fr
Publication of EP0268170A3 publication Critical patent/EP0268170A3/de
Publication of EP0268170B1 publication Critical patent/EP0268170B1/fr
Application granted granted Critical
Publication of EP0268170B2 publication Critical patent/EP0268170B2/fr
Anticipated expiration legal-status Critical
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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

Definitions

  • Bleaching agents consist of a combination of a perhydrate, in particular sodium perborate. exist with a bleach activator, wherein a bleach activator is to be understood as hydrolyzable compounds which form peracids with the perhydrate in aqueous solution. Since mixtures of the two components already react with one another in the presence of small amounts of atmospheric moisture and thus suffer loss of activity, it is necessary to separate the powder particles of the individual components as spatially as possible, which is achieved by mixing with larger proportions of powdered blending or diluting agents and / or envelopes one of the two components can be done. If the components are added to a detergent, this can already act as a separating and blending agent. However, there is then no longer any possibility for the consumer to dose the bleaching component individually according to the respective requirements or, for example when washing highly sensitive textiles, to dispense entirely with a bleaching component.
  • Wrapping one of the bleaching components is a relatively complex process.
  • individual enveloping agents can delay or complicate the dissolution and release of the bleaching component in cold or moderately warm water.
  • conventional release agents and blending agents for example sodium sulfate, sodium carbonate or disodium hydrogen phosphate, have considerable disadvantages, regardless of whether they are in anhydrous, partially hydrated or fully hydrated form.
  • the salt mixtures containing water of crystallization tend to clump when temperatures of 30 ° C to 35 ° C are reached or exceeded during storage or transport. Mixtures free of water of crystallization are stable in storage, but tend to cake and form lumps in the induction boxes of conventional household washing machines, with the result that these portions remain in the induction chambers.
  • the tetraacetylethylenediamine (TAED) is present in amounts of 5 to 30% by weight, preferably 10 to 25% by weight and in particular 15 to 23% by weight. If the perborate is used as tetrahydrate, the weight ratio of TAED to perborate is advantageously 1: 1 to 1: 5. The weight ratio of TAED to perborate monohydrate is advantageously 5: 3 to 1: 2, preferably 1.5: 1 to 1: 1, 5.
  • the average particle size of the TAED should preferably not be more than 0.5 mm, in particular not more than 0.4 mm.
  • the TAED used preferably contains less than 10% by weight of particles with a particle size of more than 0.6 mm and less than 1% by weight of particles with a particle size of more than 0.8 mm.
  • the content of fine fractions ie those with less than 0.1 mm, there are no narrow limits, rather these only arise with regard to the processability of such fine particles Products.
  • the TAED can also be in granulated form, provided that these granules consist of a correspondingly fine-grained TAED and a water-soluble granulating agent, as is the case for. B. is described in EP-C 0 037 026.
  • the granulating agent consists of cellulose ethers in proportions of less than 10%, based on TAED granules.
  • Possible components (c) are water-soluble, phosphate-free salts which do not bind or release crystal water in the range from + 1 ° C. to + 45 ° C. or do not melt in this range. These include sodium nitrate, sodium acetate trihydrate and their mixtures. Another suitable cutting agent is urea. Furthermore, the substances mentioned can be blended with anhydrous sodium sulfate up to a content of at most 40% by weight, preferably up to at most 30% by weight (based on the mixture of the separating and blending agents). Higher levels of anhydrous sodium sulfate lead to a product that is very difficult to wash in and should therefore be avoided. Likewise, salts containing water of crystallization, which undergo a phase change in the specified temperature range, such as crystallized sodium sulfate and crystallized soda , lead to deteriorated powder properties and are therefore to be avoided as additives.
  • salts containing water of crystallization which undergo a phase change in the specified temperature range, such as crystallized sodium s
  • Particularly suitable release agents have been found to be those which have a solubility of more than 30 g / 100 g of water in the temperature range from 5 ° C. to 20 ° C. These include in particular urea and sodium acetate trihydrate.
  • the average grain size of component (c) is advantageously between 0.1 mm and 0.6 mm, the proportion of particles with a grain size of over 1.6 mm being less than 1% by weight.
  • the proportion of particles with a grain size of less than 0.01 mm is advantageously less than 2% by weight. preferably less than 1% by weight.
  • the agents are prepared by simply mixing the constituents, it being advantageous that TAED and perborate monohydrate are not mixed directly with one another without the presence of the parting and blending agent.
  • the procedure is to mix the 3 components simultaneously in one operation, or to mix either one of components (a) and (b) with component (c) and then add the missing component. Mixing can be carried out continuously or in batches with the aid of conventional mechanical mixing devices.
  • anionic and nonionic surfactants of the sulfonate, sulfate and polyglycol ether adduct type are suitable as optional component (d), for example alkylbenzenesulfonates with linear C 10-13 alkyl residues, alpha sulfo fatty acids and acid esters with 12 to 18 C atoms in the fatty acid residue, alkane sulfonates with 12 up to 18 carbon atoms and ethoxylates of linear or methyl-branched alcohols with 12 to 18 carbon atoms and 2 to 20 ethylene glycol ether groups.
  • the proportion of surfactants can be, for example, 0 to 12% by weight and the proportion of sequestering agents can be 1 to 3% by weight.
  • the average grain size of the optional components suitably corresponds to the average grain size of components (a) to (c). These additives can increase the cleaning ability and in the case of the sequestering agents to a certain extent also the shelf life of the agents. They have no appreciable influence on the induction behavior.
  • the mixtures according to the invention are notable for good storage stability and, in particular, for a very good and residue-free detergent capacity in conventional household washing machines.
  • the washed-in bleach activator distributes and dissolves quickly and evenly in the wash liquor and thus guarantees a good bleaching result.
  • Example 1 645 g / l
  • Example 2 640 g / l
  • Comparison A 600 g / l
  • Comparison B 590 g / l.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Detergent Compositions (AREA)

Claims (6)

  1. Composition de blanchiment en poudre, stable au stockage à pouvoir dissolvant amélioré, contenant un composé peroxo, un activateur de blanchiment agissant comme précurseur de peracide, ainsi que, le cas échéant, de l'urée, des tensioactifs ou des séquestrants, caractérisée en ce qu'elle est constituée d'un mélange intime des constituants suivants:
    a) 5 à 35 % en poids de perborate de sodium, sous la forme de monohydrate ou de tétrahydrate,
    b) 5 à 30 % en poids de tétraacétyléthylènediamine,
    c) 90 à 50 % en poids d'au moins un des composés sans phosphates, solubles dans l'eau, suivants:
    i) un sel exempt d'eau de cristallisation ou contenant de l'eau de cristallisation, qui ne subit aucune transition de phase dans le domaine de + 1 à + 45 °C, à l'exclusion du chlorure de sodium et du borax,
    (ii) de l'urée,
    (iii) un mélange des substances désignées sous (i) ou (ii) avec du sulfate de sodium anhydre, dans un rapport pondéral d'au moins 3 à 2,
    d) 0 à 15 % en poids de constituants d'agents de lavage appartenant à la classe des tensioactifs synthétiques et/ou des séquestrants,
    à la condition que la grosseur de grain moyenne des constituants (a) à (c) atteigne 0,1 à 0,6 mm et que la proportion des particules possédant une grosseur de grain supérieure à 1,6 mm soit inférieure à 1 % en poids.
  2. Agent selon la revendication 1, caractérisé en ce que le composant (a) est constitué de monohydrate de perborate.
  3. Agent selon les revendications 1 ou 2, caractérisé en ce que le composant (a) est présent en proportions allant de 10 à 30 % en poids, en particulier de 15 à 25 % en poids.
  4. Agent selon les revendications 1 et 2, caractérisé en ce que le composant (b) est présent en proportions allant de 10 à 25 % en poids, en particulier de 15 à 23 % en poids.
  5. Agent selon les revendications 1 à 4, caractérisé en ce que le rapport pondéral entre le monohydrate de perborate de sodium et le composant (b) est compris dans l'intervalle de 5:3 à 1:2, de préférence de 1,5:1 à 1:1,5.
  6. Agent selon la revendication 1, caractérisé en ce que le composant (c) est constitué d'urée et de mélanges de celle-ci avec du sulfate de sodium anhydre, avec une teneur maximale de 30 % en poids de sulfate de sodium par rapport au composant (c).
EP87116481A 1986-11-15 1987-11-07 Composition de blanchiment stable dans le magasin avec une puissance de solution améliorée Expired - Lifetime EP0268170B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116481T ATE92519T1 (de) 1986-11-15 1987-11-07 Lagerbestaendiges bleichmittelgemisch mit verbessertem loesungsvermoegen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3639115 1986-11-15
DE19863639115 DE3639115A1 (de) 1986-11-15 1986-11-15 Lagerbestaendiges bleichmittelgemisch mit verbessertem loesungsvermoegen

Publications (4)

Publication Number Publication Date
EP0268170A2 EP0268170A2 (fr) 1988-05-25
EP0268170A3 EP0268170A3 (en) 1990-01-31
EP0268170B1 EP0268170B1 (fr) 1993-08-04
EP0268170B2 true EP0268170B2 (fr) 1996-10-02

Family

ID=6314051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116481A Expired - Lifetime EP0268170B2 (fr) 1986-11-15 1987-11-07 Composition de blanchiment stable dans le magasin avec une puissance de solution améliorée

Country Status (5)

Country Link
US (1) US4938889A (fr)
EP (1) EP0268170B2 (fr)
JP (1) JPS63137999A (fr)
AT (1) ATE92519T1 (fr)
DE (2) DE3639115A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411673A (en) * 1991-02-06 1995-05-02 The Procter & Gamble Company Peroxyacid bleach precursor compositions
GB9102507D0 (en) * 1991-02-06 1991-03-27 Procter & Gamble Peroxyacid bleach precursor compositions
US5534195A (en) * 1993-12-23 1996-07-09 The Procter & Gamble Co. Process for making particles comprising lactam bleach activators
US5534196A (en) * 1993-12-23 1996-07-09 The Procter & Gamble Co. Process for making lactam bleach activator containing particles
DE19619646A1 (de) * 1996-05-15 1997-11-20 Henkel Kgaa Stabilisierung von Alkalipercarbonat
GB2318575A (en) * 1996-10-22 1998-04-29 Unilever Plc Detergent tablet
EP1064845B1 (fr) * 1999-06-30 2003-09-10 Kao Corporation Composition virucide et sporicide
AU2002344156A1 (en) * 2001-05-25 2002-12-09 Henkel Kommanditgesellschaft Auf Aktien Granules containing one or more highly active substances and method for producing the same
DE10214750A1 (de) * 2002-04-03 2003-10-16 Ecolab Gmbh & Co Ohg Instrumentendesinfektion
US20050168749A1 (en) * 2002-07-08 2005-08-04 Hongke Ye Optical olfactory sensor with holographic readout
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064062A (en) * 1975-12-15 1977-12-20 Colgate-Palmolive Stabilized activated percompound bleaching compositions and methods for manufacture thereof
NL180122C (nl) * 1977-12-22 1987-01-02 Unilever Nv Bleekactivator in granulaatvorm.
DE2963842D1 (en) * 1978-06-26 1982-11-18 Procter & Gamble Particulate detergent additive product
CH642678A5 (de) * 1979-04-06 1984-04-30 Unilever Nv Bleich- und reinigungsmittel.
IE49996B1 (en) * 1979-07-06 1986-01-22 Unilever Ltd Particulate bleach compositions
ZA804930B (en) * 1979-08-16 1982-03-31 Unilever Ltd Bleach composition
US4412934A (en) * 1982-06-30 1983-11-01 The Procter & Gamble Company Bleaching compositions
JPS6060198A (ja) * 1983-08-15 1985-04-06 ユニリーバー　ナームローゼ　ベンノートシヤープ 皿洗い機用洗剤組成物
GB8607388D0 (en) * 1986-03-25 1986-04-30 Unilever Plc Activator compositions

Also Published As

Publication number Publication date
JPS63137999A (ja) 1988-06-09
EP0268170B1 (fr) 1993-08-04
DE3786882D1 (de) 1993-09-09
ATE92519T1 (de) 1993-08-15
EP0268170A2 (fr) 1988-05-25
US4938889A (en) 1990-07-03
DE3639115A1 (de) 1988-05-19
EP0268170A3 (en) 1990-01-31

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