EP0630962A1 - Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem - Google Patents

Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem Download PDF

Info

Publication number
EP0630962A1
EP0630962A1 EP93201846A EP93201846A EP0630962A1 EP 0630962 A1 EP0630962 A1 EP 0630962A1 EP 93201846 A EP93201846 A EP 93201846A EP 93201846 A EP93201846 A EP 93201846A EP 0630962 A1 EP0630962 A1 EP 0630962A1
Authority
EP
European Patent Office
Prior art keywords
builder system
soda
beads
calcium
builder
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Withdrawn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
EP93201846A
Other languages
English (en)
French (fr)
Inventor
Emery George Philomena Cornelissens
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.)
Sara Lee DE NV
Original Assignee
Sara Lee DE NV
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 Sara Lee DE NV filed Critical Sara Lee DE NV
Priority to EP93201846A priority Critical patent/EP0630962A1/de
Publication of EP0630962A1 publication Critical patent/EP0630962A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0034Fixed on a solid conventional detergent ingredient
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/10Carbonates ; Bicarbonates

Definitions

  • the invention relates to a builder system suitable for use in a cleansing agent, to a process for the manufacture thereof, and to a cleansing agent containing such a builder.
  • Cleansing agents and more particularly (main wash) detergents contain a number of groups of raw materials. The most important among them are the surface-active substances or surfactants, which serve to reduce the surface tension of the water, and the builders, which serve to neutralize the hardness of the water. Often, such cleansing agents further contain bleaching agents for removing colored soil components through oxidation, and additives such as perfume, optical bleaches, corrosion inhibitors and the like.
  • phosphates In the past, for reducing the hardness of the washing water, use was mainly made of phosphates. Although these phosphates exhibit optimum effectiveness in terms of detergency, the use thereof is less desirable with regard to eutrophication and excessive algal growth. Accordingly, alternatives to the use of phosphates have been searched for.
  • Known alternative builders are nitrilotriacetate, ethylene tetraacetate, citrate and zeolites. Soda has also been used in detergents on account of its calcium-binding activity. The presence of soda in detergents leads to the formation of insoluble calcium carbonate, often designated as calcite.
  • the mains water that is used in the washing process must first be softened on account of the negative influence of hard water on the cleaning power of the suds system.
  • the hardness of the suds system is reduced by the activity of the builders. This improves the detergency.
  • the fact is there appears to be a virtually linear relation between the logarithm of the residual hardness and the cleaning power. In the times when mainly phosphates were used, the residual hardness was approximately 0.01 o dH. At that value the negative influence of the calcium hardness is minimal.
  • Soda could be an attractive alternative as a builder, since it is capable of reducing the residual hardness to the same level as was formerly achieved by the phosphates and other builders which are no longer desired for environmental reasons. Soda moreover does not have any disadvantages from an environmental point of view.
  • the object of the invention is to provide a builder system that is based on soda, does not possess the disadvantages of the known agents and yet does give rise to a very effective seed formation.
  • the invention accordingly relates to a builder system which is suitable for use in a cleansing agent, and in particular in a main wash detergent, comprising porous beads of soda, preferably at least partially hydrated soda, into the pores of which beads an aqueous solution of a soluble metal salt, in particular a calcium salt, has been incorporated with the aid of an additive.
  • a builder system which is suitable for use in a cleansing agent, and in particular in a main wash detergent, comprising porous beads of soda, preferably at least partially hydrated soda, into the pores of which beads an aqueous solution of a soluble metal salt, in particular a calcium salt, has been incorporated with the aid of an additive.
  • non-ionic surface-active substance non-ionic
  • porous soda beads which preferably have an average particle size of between 0.2 and 1.0 mm.
  • the porosity of the soda determined with mercury porosimetry, is such that 50 to 85 vol.% of the pores have a diameter of from 0.1 to 0.7 ⁇ m, while the rest of the pores substantially have a smaller diameter.
  • the average pore size of the beads is preferably between 0.05 and 3 ⁇ m, more particularly between 0.1 and 0.7 ⁇ m.
  • the impregnation of the soda beads with the, preferably saturated, salt solution in combination with an additive preferably takes place in such a manner that the metal ion content, drawn to the weight of the beads, is between 0.5 and 10 wt.% and more preferentially between 0.5 and 5 wt.%.
  • This impregnation preferably takes place in such a manner that the volume of the liquid employed for impregnation is not more than the total pore volume of the soda beads. This provides the advantage that eventually a dry product is obtained which can be further processed in a main wash detergent in the conventional manner.
  • a particularly effective method for impregnating soda beads with the aqueous salt solution consists in the use of an emulsion of the calcium-salt solution in a non-ionic surface-active substance, such as an alkyl ethoxylate (3 to 20 EO) or an alkyl(poly) glucoside (1 or more glucoside), as additive.
  • a non-ionic surface-active substance such as an alkyl ethoxylate (3 to 20 EO) or an alkyl(poly) glucoside (1 or more glucoside
  • an oil or another compound through the effect of which the aqueous solution of the metal salt is incorporated into the soda and which gives rise to rapid formation of small seeds in the washing water.
  • the invention also relates to a method for manufacturing such builder particles, comprising impregnating porous beads of soda with an emulsion of a saturated solution of a calcium salt in a non-ionic surface-active substance, the amount of the emulsion being not greater than the pore volume of the soda beads.
  • the invention also relates to a detergent comprising, in addition to the customary components, at least one builder system as described hereinabove.
  • the main wash detergent comprises conventional components for powdered detergents, such as surfactants, optionally one or more other builders or additives such as bleaches, perfume, corrosion-inhibitors, anti-redeposition agents and the like.
  • a powdered detergent comprises the builder system as described within the concept of the invention, optionally in combination with other conventional builder components, such as untreated soda, bicarbonate, NAS, zeolite, co(polymer) and the like, at least one surface-active substance (non-ionic and/or anionic), optionally bleachers, such as perborate, additives, such as magnesium stearate and sodium sulfate, as well as the so-called “minors”, optical white, perfume, anti-redeposition agents and corrosion-inhibitors.
  • other conventional builder components such as untreated soda, bicarbonate, NAS, zeolite, co(polymer) and the like, at least one surface-active substance (non-ionic and/or anionic), optionally bleachers, such as perborate, additives, such as magnesium stearate and sodium sulfate, as well as the so-called “minors”, optical white, perfume, anti-redeposition agents and corrosion-inhibitors.
  • a powdered detergent according to the invention comprises, on a weight basis, 10 to 50% surface-active substance, 25 to 90% builder system, at least partially consisting of the porous soda impregnated with the metal salt, 0 to 25% bleaching agent and further additives and minors in an amount which is dependent on the nature of the additives and minors, but which will generally not exceed 60%.
  • the amount of the builder system according to the invention that can be utilized in the detergents varies from 2.5 to 50 wt.%, more particularly between 5 and 25 wt.%. The amount depends at least partly on the amount of metal ion present in the builder system.

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)
EP93201846A 1993-06-25 1993-06-25 Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem Withdrawn EP0630962A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93201846A EP0630962A1 (de) 1993-06-25 1993-06-25 Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93201846A EP0630962A1 (de) 1993-06-25 1993-06-25 Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem

Publications (1)

Publication Number Publication Date
EP0630962A1 true EP0630962A1 (de) 1994-12-28

Family

ID=8213923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93201846A Withdrawn EP0630962A1 (de) 1993-06-25 1993-06-25 Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem

Country Status (1)

Country Link
EP (1) EP0630962A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5707959A (en) * 1995-05-31 1998-01-13 The Procter & Gamble Company Processes for making a granular detergent composition containing a crystalline builder
US5731279A (en) * 1995-05-31 1998-03-24 The Procter & Gamble Company Cleaning compositions containing a crystalline builder material having improved performance
US5733865A (en) * 1995-05-31 1998-03-31 The Procter & Gamble Company Processes for making a crystalline builder having improved performance
US6610645B2 (en) 1998-03-06 2003-08-26 Eugene Joseph Pancheri Selected crystalline calcium carbonate builder for use in detergent compositions
US7030070B2 (en) 2002-08-13 2006-04-18 Takasago International Corporation Composition for hard article surface cleaning liquid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221776A2 (de) * 1985-11-01 1987-05-13 Unilever Plc Reinigungsmittel, deren Bestandteile und Verfahren zu deren Herstellung
EP0266863A1 (de) * 1986-08-12 1988-05-11 Unilever Plc Antischaummittel
US4992079A (en) * 1986-11-07 1991-02-12 Fmc Corporation Process for preparing a nonphosphate laundry detergent
US5198145A (en) * 1990-11-08 1993-03-30 Fmc Corporation Dry detergent compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0221776A2 (de) * 1985-11-01 1987-05-13 Unilever Plc Reinigungsmittel, deren Bestandteile und Verfahren zu deren Herstellung
EP0266863A1 (de) * 1986-08-12 1988-05-11 Unilever Plc Antischaummittel
US4992079A (en) * 1986-11-07 1991-02-12 Fmc Corporation Process for preparing a nonphosphate laundry detergent
US5198145A (en) * 1990-11-08 1993-03-30 Fmc Corporation Dry detergent compositions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5707959A (en) * 1995-05-31 1998-01-13 The Procter & Gamble Company Processes for making a granular detergent composition containing a crystalline builder
US5731279A (en) * 1995-05-31 1998-03-24 The Procter & Gamble Company Cleaning compositions containing a crystalline builder material having improved performance
US5733865A (en) * 1995-05-31 1998-03-31 The Procter & Gamble Company Processes for making a crystalline builder having improved performance
US6610645B2 (en) 1998-03-06 2003-08-26 Eugene Joseph Pancheri Selected crystalline calcium carbonate builder for use in detergent compositions
US7030070B2 (en) 2002-08-13 2006-04-18 Takasago International Corporation Composition for hard article surface cleaning liquid

Similar Documents

Publication Publication Date Title
CA1309922C (en) Antiredeposition detergent composition
CA1276855C (en) Method of laundering fabrics
CA1239760A (en) Bleach compositions
EP0245551B1 (de) Reinigungsmittelgranulate
DE69724336T2 (de) Wasserenthärtende Tabletten
AU613106B2 (en) Detergent composition
US4966606A (en) Detergent composition
EP0630962A1 (de) Zur Verwendung in Reinigungsmitteln geeignetes Gerüstsystem
EP0287343B1 (de) Zusammensetzung zum Weichmachen von Textilien
EP0455468A2 (de) Vefahren zum Verbesserung des Antiwiederabsetzeigenschaften von Schmutz bei Waschmitteln
US3743610A (en) Spray dried detergent composition of controlled alkalinity
GB2190921A (en) Granular detergent composition
EP0119746B1 (de) Verfahren zur Herstellung von Detergenspulver
US6159926A (en) Biodegradable fabric softening compositions based on a combination of pentaerythritol esters, bentonite and polyphosphonate compound
CA1314189C (en) Detergent compositions
WO1993025651A1 (en) Machine dishwashing composition
CA1340946C (en) Composition for softening fabrics
JP2586974B2 (ja) 洗剤組成物
EP0426906A1 (de) Weichmachende Vollwaschmittelzusammensetzung für Wäsche
DE19547730A1 (de) Schwachalkalische Geschirreinigungsmittel und Builderkombination für Wasch- und Reinigungsmittel
NZ212083A (en) Built synthetic anionic detergent composition containing polyacetal carboxylate
CA2201197A1 (en) Use of sheet silicates
CA1197157A (en) Detergent composition and method for its use
DE3814855A1 (de) Waschmitteladditiv
DE69408146T2 (de) Aus einem Spender verteilbares Pulvermittel

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19950120

17Q First examination report despatched

Effective date: 19970225

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19970708