EP0753568B1 - Adjuvant sous forme de granulé pour les compositions détergentes - Google Patents

Adjuvant sous forme de granulé pour les compositions détergentes Download PDF

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Publication number
EP0753568B1
EP0753568B1 EP96109246A EP96109246A EP0753568B1 EP 0753568 B1 EP0753568 B1 EP 0753568B1 EP 96109246 A EP96109246 A EP 96109246A EP 96109246 A EP96109246 A EP 96109246A EP 0753568 B1 EP0753568 B1 EP 0753568B1
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EP
European Patent Office
Prior art keywords
detergent
sodium
builder
granular
cleaner
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
EP96109246A
Other languages
German (de)
English (en)
Other versions
EP0753568A3 (fr
EP0753568A2 (fr
Inventor
Günther Dr. Schimmel
Alexander Dr. Tapper
Volker Thewes
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
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Filing date
Publication date
Application filed by Clariant GmbH filed Critical Clariant GmbH
Publication of EP0753568A2 publication Critical patent/EP0753568A2/fr
Publication of EP0753568A3 publication Critical patent/EP0753568A3/fr
Application granted granted Critical
Publication of EP0753568B1 publication Critical patent/EP0753568B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates
    • 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
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O
    • 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

Definitions

  • the present invention relates to a granular detergent builder in the form of a cogranulate from a mixture of sodium hydrogen carbonate and crystalline phyllosilicates of the general formula NaMSi x O 2x + 1 * yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 and its use.
  • alkali tripolyphosphates such as sodium tripolyphosphate displaced new builder systems, which usually consist of a synthetic, crystalline aluminosilicate (e.g. zeolite A), an alkali source (e.g. soda) and at least a cobuilder.
  • alkali tripolyphosphates such as sodium tripolyphosphate displaced new builder systems, which usually consist of a synthetic, crystalline aluminosilicate (e.g. zeolite A), an alkali source (e.g. soda) and at least a cobuilder.
  • cobuilders individually or in combination with each other - or in combination with other substances usually nitrilotriacetic acid or its Salts, phosphonates and also polycarboxylates, especially those based on acrylic and / or Maleic acid used.
  • EP-0 425 428 B1 describes a process for the production of crystalline sodium silicates known with a layer structure, in which amorphous sodium silicate with a water content from 15 to 23% by weight in a rotary kiln at temperatures from 500 to 850 ° C is calcined, the calcine is fed to a roller compactor after breaking and grinding and then, after shredding and sieving, the school pens obtained to a granulate a bulk density of 700 to 1000 g / l can be processed.
  • DE-A-43 30 868 describes a process for the production of compacted, granular Sodium silicates, in which the sodium silicate with an average grain diameter of ⁇ 500 ⁇ m first mixed with a material that increases its hardness before you use it by compacting, crushing and sieving into a press granulate with grain sizes of 0.1 transferred to 5 mm.
  • EP-A-0 164 514 describes the use of crystalline sodium silicates for softening of water containing calcium and / or magnesium ions.
  • EP-A-0 563 631 discloses cogranulates with high bulk density that easily disintegrate in water from alumosilicates and crystalline sodium silicates with a layer structure, a process for their manufacture and use known.
  • a disadvantage of all detergent formulations containing alumosilicate is the water-insolubility the aluminosilicates, which among other things causes an increased sewage sludge load. It is also disadvantageous that during the processing of aluminosilicates or in Can form larger agglomerates in the course of their use, so that the use of cobuilders is necessary to break up the aluminosilicates into a suspension of fine primary particles, since Agglomerates of aluminosilicates - especially zeolite A - do not tend to disintegrate have in the primary particles.
  • the granules described in the aforementioned prior art are generally satisfactory Softening of water, whereby it would be beneficial to increase it further To be able to realize water-softening effect so that anionic surfactants are effective can develop more.
  • Detergent formulations such as those described in PCT / WO 92/18594, have in 1% solution in distilled water at 20 ° C a pH of 10 to 11.
  • Detergent builder formulations that include as alkali source sodium carbonate (soda) contain, have an inherent pH of> 10 on alkali-reduced detergents on the other hand need other builders or builder combinations in which it is desirable would be if the builder formulations have an intrinsic pH in the range of ⁇ 10.
  • a low pH value contributes significantly to the protection of sensitive tissues during the washing process.
  • Intrinsic pH is in the range ⁇ 10, which have an increased water softening effect, and which reduce the sewage sludge pollution due to their water solubility.
  • the granular detergent builder preferably has a bulk density of 900 900 g / l.
  • the degree of reaction between crystalline layered silicate and sodium hydrogen carbonate is preferably between 5 and 60%.
  • the sodium silicates in the granular detergent builder according to the invention preferably have an SiO 2 / Na 2 O ratio of (1.9 to 2.1): 1.
  • the granules according to the application can be produced through a process which is characterized in that sodium bicarbonate and Sodium silicate mixed in powder form; that the mixture is fed into a zone, in which it rotates in the opposite sense between two Rolling under pressure is compacted into a solid (Schulpen); that one is the solid crushed; and that one finally the desired grain sizes from the oversize and Separates undersize.
  • the pressure of the rollers preferably corresponds to a line pressing force > 20 kN / cm with 200 mm roller diameter.
  • the Schulpen preferably have a temperature of ⁇ 70 ° C.
  • the crystalline sodium disilicate contained in the cogranules according to the invention with Layer structure are slowly water-soluble, whereby a sludge relief of the sewage treatment plants is achieved.
  • Sodium silicate can be used as a component in the detergent or cleaning agent formulation Soda may be omitted entirely, since the crystalline sodium disilicate supplies an alkali are.
  • the invention also relates to the use of the granular detergent builder according to the invention in detergents and cleaning agents.
  • the abovementioned washing and cleaning agents preferably contain 3 to 60% by weight of the granular detergent builder.
  • the detergents and cleaning agents can additionally other detergent builders and others Detergent additives included.
  • the other detergent builders are preferably sodium tripolyphosphate, Zeolite A, Zeolite P, amorphous silicates, water glass and / or alkali metal carbonates.
  • the other detergent ingredients are preferably surfactants, bleaches, Bleach activators, bleach stabilizers, enzymes, polycarboxylates and / or carboxyl-containing Co-builders.
  • the particle size distribution is determined using a 50 gram sample by sieve analysis (used Apparatus: RETSCH VIBRATONIC) determined and from this the average particle diameter determined via a graphical evaluation.
  • the granules to be examined are passed through a sieve (710 ⁇ m) in the sample preparation sieved. With the undersize, the rate of decay in water (18 ° dH) becomes dependent on the time a MICROTRAC Series 9200 (from Leeds & Nothrup GmbH).
  • the pH is measured in a 1% solution in distilled water at 20 ° C a digital pH meter CG 840 from SCHOTT.
  • the degree of preservation provides information about what percentage of the starting components are present side by side in an unreacted form.
  • the temperature increase is determined which is achieved through the neutralization of the heat released and the corresponding heat of solution when 25 grams of the cogranulate sample to be measured are added to 100 grams of distilled water.
  • the degree of maintenance is related to the temperature increase of the zero value, which is achieved if instead of the cogranulate, only a corresponding physical mixture of the starting components is used in the determination.
  • the filtrate must be made strongly acidic (pH ⁇ 2.5) due to possible reprecipitation with HCl, so that the excess carbonate in the form of CO 2 can be removed from the filtrate by stirring.
  • the calcium remaining in the filtrate is then determined complexometrically.
  • the calcium binding capacity generally referred to as the KBV value, was calculated by forming the difference with the original calcium content.
  • the result is a solution with 3 ° dH.
  • the solution is kept in a water bath thermostat (ERWEKA) with stirring at 20 ° C. and 1 gram of the cogranulate sample to be measured is added.
  • ERWEKA water bath thermostat
  • the sample is then filtered through a folded filter (Ederol 12). If the sample to be examined contains carbonate, the filtrate must be made strongly acidic (pH ⁇ 2.5) due to possible reprecipitation with HCl, so that the excess carbonate in the form of CO 2 can be removed from the filtrate by stirring.
  • the magnesium remaining in the filtrate is then determined complexometrically.
  • the magnesium binding capacity was calculated by forming the difference with the original magnesium content.
  • SKS-6® sodium disilicate

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  • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Claims (8)

  1. Adjuvant granulaire pour détergent, sous forme d'un co-granulé constitué d'un mélange d'hydrogénocarbonate de sodium et de phyllosilicates cristallins de formule générale NaMSixO2x+1.yH2O, où M est le sodium ou l'hydrogène, x est un nombre de 1,9 à 4 et y est un nombre de 0 à 20, caractérisé en ce que l'adjuvant granulaire pour détergent
    a) contient de 5 à 50 % en poids d'un phyllosilicate cristallin et de 50 à 95 % en poids d'hydrogénocarbonate de sodium ;
    b) présente un pH < 10 en solution à 1 % dans de l'eau distillée ;
    c) présente un pouvoir de liaison du calcium ≥ 150 mg Ca/g (30° dH) et un pouvoir de liaison du magnésium ≥ 4 mg Mg/g (3° dH) et
    d) a une masse volumique apparente ≥ 850 g/l.
  2. Adjuvant granulaire pour détergent selon la revendication 1, caractérisé en ce qu'il a une masse volumique apparente ≥ 900 g/l.
  3. Adjuvant granulaire pour détergent selon au moins l'une des revendications 1 à 2, caractérisé en ce que le silicate de sodium cristallin présente un rapport SiO2/Na2O de (1,9 à 2,1):1.
  4. Utilisation de l'adjuvant granulaire pour détergent selon l'une des revendications 1 à 3 dans des produits lavants et nettoyants.
  5. Produit lavant et nettoyant contenant de 3 à 60 % en poids de l'adjuvant granulaire pour détergent selon les revendications 1 à 3.
  6. Produit lavant et nettoyant selon la revendication 5, caractérisé en ce qu'il contient en outre d'autres adjuvants pour détergent et d'autres auxiliaires pour détergent.
  7. Produit lavant et nettoyant selon la revendication 6, caractérisé en ce que, pour ce qui concerne les autres adjuvants pour détergent, il s'agit de polyphosphate de sodium, de zéolite A, de zéolite P, de silicates amorphes, d'orthosilicate de sodium et/ou de carbonate de métaux alcalins.
  8. Produit lavant et nettoyant selon la revendication 5 ou 6, caractérisé en ce que, pour ce qui concerne les autres constituants du détergent, il s'agit de tensio-actifs, d'agents de blanchiment, d'activateurs de blanchi-ment, de stabilisants de blanchiment, d'enzymes, de poly-carbonates et de co-adjuvants carboxylés.
EP96109246A 1995-07-11 1996-06-10 Adjuvant sous forme de granulé pour les compositions détergentes Expired - Lifetime EP0753568B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19525197A DE19525197A1 (de) 1995-07-11 1995-07-11 Granularer Waschmittelbuilder
DE19525197 1995-07-11

Publications (3)

Publication Number Publication Date
EP0753568A2 EP0753568A2 (fr) 1997-01-15
EP0753568A3 EP0753568A3 (fr) 1998-01-28
EP0753568B1 true EP0753568B1 (fr) 2002-09-25

Family

ID=7766525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96109246A Expired - Lifetime EP0753568B1 (fr) 1995-07-11 1996-06-10 Adjuvant sous forme de granulé pour les compositions détergentes

Country Status (8)

Country Link
US (1) US5874397A (fr)
EP (1) EP0753568B1 (fr)
JP (1) JPH0931491A (fr)
KR (1) KR970006469A (fr)
CN (1) CN1146484A (fr)
CA (1) CA2180926A1 (fr)
DE (2) DE19525197A1 (fr)
TW (1) TW352393B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW370561B (en) * 1996-03-15 1999-09-21 Kao Corp High-density granular detergent composition for clothes washing
WO1999050382A1 (fr) * 1998-03-30 1999-10-07 The Procter & Gamble Company Compositions detergentes
US6723693B1 (en) * 1999-07-08 2004-04-20 The Procter & Gamble Company Method for dispensing a detergent comprising an amionic/silicate agglomerate
US7210383B2 (en) * 2000-08-14 2007-05-01 Sd3, Llc Detection system for power equipment
US6723335B1 (en) * 2000-04-07 2004-04-20 Jeffrey William Moehlenbruck Methods and compositions for treating intervertebral disc degeneration
KR100420104B1 (ko) * 2002-01-23 2004-03-02 주식회사 크렌비 소듐세스퀴카보네이트와 층상실리케이트로 구성된 분말을제조하는 방법
KR100420105B1 (ko) * 2002-05-14 2004-03-02 주식회사 크렌비 세탁용 세제 조성물
AU2003304347A1 (en) * 2003-07-22 2005-02-04 Clenvi Co., Ltd. A process for producing a powder consisting of sodiumsesquicarbonate and layered silicate
WO2005007791A1 (fr) * 2003-07-22 2005-01-27 Clenvi Co., Ltd. Composition de detergent a lessive
EP2144986B1 (fr) * 2007-05-04 2020-07-29 Ecolab USA Inc. Système de traitement de l'eau, et procédés de nettoyage en aval

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
DE3413571A1 (de) * 1984-04-11 1985-10-24 Hoechst Ag, 6230 Frankfurt Verwendung von kristallinen schichtfoermigen natriumsilikaten zur wasserenthaertung und verfahren zur wasserenthaertung
US4891148A (en) * 1985-08-05 1990-01-02 Colgate-Palmolive Company Low phosphate or phosphate free nonaqueous liquid nonionic laundry detergent comopsition and method of use
GB8710291D0 (en) * 1987-04-30 1987-06-03 Unilever Plc Preparation of granular detergent composition
US4996001A (en) * 1989-01-23 1991-02-26 Capital City Products Company Puffed borax as an agglomerating aid
DE3929896A1 (de) * 1989-09-08 1991-03-14 Hoechst Ag Geschirrspuelmittel
US5236682A (en) * 1989-10-25 1993-08-17 Hoechst Aktiengesellschaft Process for producing crystalline sodium silicates having a layered structure
US5229095A (en) * 1989-10-25 1993-07-20 Hoechst Aktiengesellschaft Process for producing amorphous sodium silicate
CA2024966C (fr) * 1989-10-25 1995-07-18 Gunther Schimmel Procede de production de silicates de sodium
GB9108639D0 (en) * 1991-04-23 1991-06-12 Procter & Gamble Particulate detergent compositions
US5540855A (en) * 1991-04-23 1996-07-30 The Procter & Gamble Company Particulate detergent compositions
US5256886A (en) * 1991-04-30 1993-10-26 E. I. Du Pont De Nemours And Company Apparatus for optically detecting contamination in particles of low optical-loss material
EP0550077A1 (fr) * 1992-01-03 1993-07-07 The Procter & Gamble Company Composition de blanchiment granulaire pour le lavage du linge
US5300250A (en) * 1992-01-14 1994-04-05 The Procter & Gamble Company Granular laundry compositions having improved solubility
DE4210253A1 (de) * 1992-03-28 1993-09-30 Hoechst Ag Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung
DE4223545A1 (de) * 1992-07-17 1994-01-20 Hoechst Ag Verfahren zur Herstellung von Natriumsilikaten mit Schichtstruktur sowie ihre Verwendung
DE4306665A1 (de) * 1993-03-03 1994-09-08 Sued Chemie Ag Waschmittelzusatz für gewebeweichmachende Waschmittel
DE4307671A1 (de) * 1993-03-11 1994-09-15 Hoechst Ag Feinwaschmittel
DE4329392A1 (de) * 1993-09-01 1995-03-02 Henkel Kgaa Gerüststoffkomponente für Wasch- oder Reinigungsmittel
DE4329394B4 (de) * 1993-09-01 2006-11-02 Henkel Kgaa Gerüststoffkomponente für Wasch- oder Reinigungsmittel
DE4330868A1 (de) * 1993-09-11 1995-03-16 Hoechst Ag Verfahren zur Herstellung körniger Natriumsilikate
US5658867A (en) * 1995-05-31 1997-08-19 The Procter & Gamble Company Cleaning compositions containing a crystalline builder material in selected particle size ranges for improved performance

Also Published As

Publication number Publication date
EP0753568A3 (fr) 1998-01-28
CN1146484A (zh) 1997-04-02
DE59609711D1 (de) 2002-10-31
US5874397A (en) 1999-02-23
JPH0931491A (ja) 1997-02-04
DE19525197A1 (de) 1997-01-16
TW352393B (en) 1999-02-11
EP0753568A2 (fr) 1997-01-15
KR970006469A (ko) 1997-02-21
CA2180926A1 (fr) 1997-01-12

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