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EP0267371B1 - Agent pour le lavage de la vaisselle exempt de phosphate - Google Patents

Agent pour le lavage de la vaisselle exempt de phosphate Download PDF

Info

Publication number
EP0267371B1
EP0267371B1 EP87110811A EP87110811A EP0267371B1 EP 0267371 B1 EP0267371 B1 EP 0267371B1 EP 87110811 A EP87110811 A EP 87110811A EP 87110811 A EP87110811 A EP 87110811A EP 0267371 B1 EP0267371 B1 EP 0267371B1
Authority
EP
European Patent Office
Prior art keywords
weight
builder
sodium
dishwashing agent
denotes
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
EP87110811A
Other languages
German (de)
English (en)
Other versions
EP0267371A1 (fr
Inventor
Hannsjörg Dr. Ulrich
Lothar Westermann
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6307491&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0267371(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to AT87110811T priority Critical patent/ATE51018T1/de
Publication of EP0267371A1 publication Critical patent/EP0267371A1/fr
Application granted granted Critical
Publication of EP0267371B1 publication Critical patent/EP0267371B1/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
    • C11D3/02—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
    • C11D3/16—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

Definitions

  • the present invention relates to dishwashing detergents, in particular those for machine dishwashing, which contain sodium silicate as a builder and also co-builders and active chlorine carriers and which are free of phosphates.
  • dishwashing detergents for the automatic washing of household dishes or crockery and cutlery in commercial canteen kitchens contain, as components, builders, alkali carriers, active chlorine carriers, surfactants, perfumes and, if appropriate, fillers.
  • Polyphosphates preferably sodium triphosphate (NTPP), as alkali carriers of water-soluble silicates, preferably sodium metasilicate, caustic soda or sodium carbonate, as active chlorine carriers either chlorine bleach or products from the series of chloroisocyanurates and as surfactants are low-foaming, chlorine-stable block polymers with ethylene and propylene oxide groups modified fatty alcohol polyglycol ether used.
  • NTPP sodium triphosphate
  • alkali carriers of water-soluble silicates preferably sodium metasilicate, caustic soda or sodium carbonate
  • active chlorine carriers either chlorine bleach or products from the series of chloroisocyanurates and as surfactants are low-foaming, chlorine-stable block polymers with ethylene and propylene oxide groups modified fatty alcohol polyglycol ether used.
  • DE-A1-34 13 571 already describes crystalline layered sodium silicates for water softening, which have the composition NaMSi x 0 2x + 1 . y correspond to H20, where M is sodium or hydrogen, x is 1.9 to 4 and y is 0 to 20.
  • co-builder 0.1-3% by weight is used if this is preferably in dry, powdery form and 0.3-7.5% by weight if this co-builder is in liquid form.
  • Polycarboxylates such as polyacetal carboxylates or maleic anhydride-acrylic acid copolymers or maleic anhydride-methylene vinyl ether or their sodium salts, are preferably suitable as co-builders.
  • the other dishwashing components such as fillers, alkali carriers, surfactants and active chlorine carriers and, if appropriate, perfumes, can be substances which are already sufficiently known for these purposes.
  • sodium sulfate as fillers preferably in anhydrous form, sodium carbonate, caustic soda or water-soluble alkali silicates as alkali carrier, chlorine-stable block polymers of long-chain aliphatic alcohols with ethylene oxide or propylene oxide groups or modified fatty alcohol polyglycol ethers as surfactants and sodium dichloroisocyanurate or bleaching liquor as active chlorine carriers.
  • the phosphate-free mixtures according to the invention are notable for very good cleaning action, extremely low corrosion on the items to be washed or the machine and for high chlorine stability.
  • the powdery mixtures are free-flowing even after months of open storage in the laboratory air (see Table 2 below).
  • phyllosilicates used according to the invention have the favorable property of not or only slightly abrasive, which in particular enables gentle rinsing of glasses.
  • a comparison of the cleaning indices shows that, on average, standard cleaning successes are achieved, and the working pH can even be reduced by 0.5 to 1 step.
  • White porcelain plates and cups, stainless steel cutlery from various manufacturers and glasses of various compositions and shapes were tested as items to be washed.
  • a table divided into 5 damage levels is used to determine any damage, and after visual evaluation of the tests after 125, 250, 500 and 1,000 rinse cycles was used to make a judgment.
  • Formulations A, B, C, D and E were used for the corrosion test.
  • the average damage ratings found for 500 wash cycles are shown in Table 3.
  • An automatically operating household machine was used as the machine, which opens the machine door for 1 hour between each washing cycle so that the items to be washed dry completely.
  • the water hardness was between 2 ° and 7 ° d, the rinse temperature at 62 - 66 ° C, the total amount of water per rinse cycle is 28 I, of which approx. 6 I in the cleaning cycle with a dosage of 30 g detergent and 3 ml rinse aid in the rinse cycle .

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)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Glass Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (9)

1. Procédé pour la production de produits à laver la vaisselle sans phosphates, contenant comme adjuvant de détergence un silicate de sodium et comme co-adjuvant un acide carboxylique polymère et/ou copolymère et des porteurs de chlore actif, caractérisé en ce qu'on incorpore comme adjuvant du type silicate de sodium un silicate de sodium cristallisé lamellaire de la formule générale
Na M Six02x+i ' YH20

dans laquelle M représente le sodium ou l'hydrogène, x est un nombre de 1,9 à 4 et y un nombre de 0 à 20.
2. Procédé selon la revendication 1, caractérisé en ce qu'on mélange ensemble
30-50% en poids du silicate de sodium lamellaire cristallisé
0,1-7,5% en poids du co-adjuvant
0-45% en poids d'une charge
10-25% en poids d'un porteur d'alcali
1-2% en poids d'un tensioactif et
1-5% en poids d'un porteur de chlore actif.
3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'on incorpore 0,1 à 3% en poids de co-adjuvants sous forme de poudre.
4. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'on incorpore 0,3 à 7,5% en poids de co-adjuvant sous forme liquide.
5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'on incorpore comme co-adjuvants des polyacétal-carboxylates, des copolymères anhydride maléique-acide acrylique ou des copolymères anhydride maléique-méthylène-vinyléther ou leurs sels de sodium.
6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce qu'on incorpore comme porteur de chlore actif du dichloroisocyanurate de sodium ou la lessive de chlorure décolorant.
7. Procédé selon l'une des revendications 2 à 6, caractérisé en ce qu'on incorpore comme charge du sulfate de sodium.
8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'on incorpore comme porteur d'alcali du carbonate de sodium, de la soude caustique ou des silicates alcalins solubles dans l'eau.
9. Procédé selon l'une des revendications 2 à 8, caractérisé en ce qu'on incorpore comme tensioactifs des polymères séquencés d'alcools aliphatiques à longue chaîne à groupes oxyde d'éthylène ou oxyde de propylène, résistants au chlore ou des éthers d'alcools gras de polyglycols modifiés.
EP87110811A 1986-08-16 1987-07-25 Agent pour le lavage de la vaisselle exempt de phosphate Expired - Lifetime EP0267371B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87110811T ATE51018T1 (de) 1986-08-16 1987-07-25 Phosphatfreies geschirrspuelmittel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3627773 1986-08-16
DE19863627773 DE3627773A1 (de) 1986-08-16 1986-08-16 Phosphatfreies geschirrspuelmittel

Publications (2)

Publication Number Publication Date
EP0267371A1 EP0267371A1 (fr) 1988-05-18
EP0267371B1 true EP0267371B1 (fr) 1990-03-14

Family

ID=6307491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110811A Expired - Lifetime EP0267371B1 (fr) 1986-08-16 1987-07-25 Agent pour le lavage de la vaisselle exempt de phosphate

Country Status (10)

Country Link
US (1) US4959170A (fr)
EP (1) EP0267371B1 (fr)
JP (1) JPS6348399A (fr)
AT (1) ATE51018T1 (fr)
CA (1) CA1305007C (fr)
DE (2) DE3627773A1 (fr)
DK (1) DK165882C (fr)
ES (1) ES2014283B3 (fr)
NO (1) NO169599C (fr)
PT (1) PT85539B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234980A (en) * 1989-07-25 1991-02-20 Unilever Plc Detergent composition for machine dishwashers
DE3929896A1 (de) * 1989-09-08 1991-03-14 Hoechst Ag Geschirrspuelmittel
DE3931871A1 (de) * 1989-09-23 1991-04-04 Henkel Kgaa Granulares, phosphatfreies wasserenthaertungsmittel
NL9000272A (nl) * 1990-02-05 1991-09-02 Sara Lee De Nv Hoofdwasmiddel.
US5273675A (en) * 1990-02-16 1993-12-28 Rohm And Haas Company Phosphate-free liquid cleaning compositions containing polymer
DE4034131C2 (de) * 1990-10-26 1999-08-26 Henkel Kgaa Gerüststoff für Waschmittel
DE4102743A1 (de) * 1991-01-30 1992-08-06 Henkel Kgaa Phosphatfreies reinigungsmittel
US5540855A (en) * 1991-04-23 1996-07-30 The Procter & Gamble Company Particulate detergent compositions
GB9108639D0 (en) * 1991-04-23 1991-06-12 Procter & Gamble Particulate detergent compositions
US5308532A (en) * 1992-03-10 1994-05-03 Rohm And Haas Company Aminoacryloyl-containing terpolymers
DE4210253A1 (de) * 1992-03-28 1993-09-30 Hoechst Ag Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung
AU4324693A (en) * 1992-06-18 1994-01-04 Unilever Plc Machine dishwashing composition
DE69327654T2 (de) * 1993-11-11 2000-08-31 The Procter & Gamble Company, Cincinnati Beim Waschen weichmachende Zusammensetzungen
DE4404333A1 (de) 1994-02-11 1995-08-17 Benckiser Knapsack Ladenburg Waschmittel
US5739098A (en) * 1994-07-05 1998-04-14 Pq Corporation Crystalline sodium potassium silicates
US5614160A (en) * 1994-06-10 1997-03-25 Pq Corporation Composite silicate materials
US5643358A (en) * 1994-06-10 1997-07-01 Pq Corporation Crystalline hydrated layered sodium and potassium silicates and method of producing same
US6403548B1 (en) 1998-10-27 2002-06-11 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Wrinkle reduction laundry product compositions
DE19854960A1 (de) 1998-11-29 2000-05-31 Clariant Gmbh Maschinengeschirrspülmittel
US6701940B2 (en) 2001-10-11 2004-03-09 S. C. Johnson & Son, Inc. Hard surface cleaners containing ethylene oxide/propylene oxide block copolymer surfactants
JP2010280796A (ja) * 2009-06-04 2010-12-16 Kao Corp 食器洗浄機用洗浄剤組成物
WO2015101448A1 (fr) * 2013-12-30 2015-07-09 Unilever N.V. Composition nettoyante pour surfaces dures

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941710A (en) * 1972-04-24 1976-03-02 Lever Brothers Company Phosphate - free dishwashing compositions containing an alkyl polyether carboxylate surfactant
US4031022A (en) * 1973-05-28 1977-06-21 Hoechst Aktiengesellschaft Builders for detergent and cleaning compositions
DE2435479A1 (de) * 1974-07-24 1976-02-12 Henkel & Cie Gmbh Geschirrspuelmittel
US4237024A (en) * 1978-06-16 1980-12-02 Certified Chemicals, Inc. Dishwashing composition and method of making the same
DE3413571A1 (de) * 1984-04-11 1985-10-24 Hoechst Ag, 6230 Frankfurt Verwendung von kristallinen schichtfoermigen natriumsilikaten zur wasserenthaertung und verfahren zur wasserenthaertung
DE3416669A1 (de) * 1984-05-05 1985-11-07 Hoechst Ag, 6230 Frankfurt Weichmachendes waschmittel
US4608188A (en) * 1985-04-12 1986-08-26 Basf Corporation Dishwashing composition
DE3532586C1 (de) * 1985-09-11 1986-09-11 almaca Bioprodukte Herstellungs GmbH, 7901 Illerrieden Phosphatfreies,sauer eingestelltes Spuelmittel in Pulverform fuer Geschirrspuelmaschinen

Also Published As

Publication number Publication date
NO873410L (no) 1988-02-17
DE3761909D1 (de) 1990-04-19
ATE51018T1 (de) 1990-03-15
DK425387D0 (da) 1987-08-14
PT85539B (pt) 1990-06-29
JPS6348399A (ja) 1988-03-01
DE3627773A1 (de) 1988-02-18
DK425387A (da) 1988-02-17
EP0267371A1 (fr) 1988-05-18
CA1305007C (fr) 1992-07-14
DK165882B (da) 1993-02-01
ES2014283B3 (es) 1990-07-01
DK165882C (da) 1993-06-21
NO169599B (no) 1992-04-06
PT85539A (de) 1987-09-01
NO873410D0 (no) 1987-08-13
US4959170A (en) 1990-09-25
NO169599C (no) 1992-07-15

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