EP0353973A2 - Phosphatfreie Waschmittel - Google Patents

Phosphatfreie Waschmittel Download PDF

Info

Publication number
EP0353973A2
EP0353973A2 EP89307758A EP89307758A EP0353973A2 EP 0353973 A2 EP0353973 A2 EP 0353973A2 EP 89307758 A EP89307758 A EP 89307758A EP 89307758 A EP89307758 A EP 89307758A EP 0353973 A2 EP0353973 A2 EP 0353973A2
Authority
EP
European Patent Office
Prior art keywords
salt
acid
methylenephosphonic
water
composition according
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Withdrawn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
EP89307758A
Other languages
English (en)
French (fr)
Other versions
EP0353973A3 (de
Inventor
Peter G. Prof. Perkins
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.)
Meda Pharmaceuticals Ltd
Original Assignee
Flow Labs Ltd
ICN Biomedicals Ltd
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 Flow Labs Ltd, ICN Biomedicals Ltd filed Critical Flow Labs Ltd
Publication of EP0353973A2 publication Critical patent/EP0353973A2/de
Publication of EP0353973A3 publication Critical patent/EP0353973A3/de
Withdrawn legal-status Critical Current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
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/364—Organic compounds containing phosphorus containing nitrogen
    • 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
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites

Definitions

  • This invention relates to detergents which are free of phosphates.
  • an object of the present invention is to provide such substances especially, but not exclusively, for use in the cleaning of laboratories and laboratory glassware.
  • the invention accordingly provides a detergent composition free of phosphates and comprising a phosphonic sequestrant.
  • Preferred active ingredients are pentasodium salt of ethylenediaminetetra(methylenephosphonic) acid and/or heptasodium salt of diethylenetriaminepenta(methylenepho­sphonic) acid.
  • the composition may further comprise one or more of a foaming agent, a surfactant, a wetting agent, and a homogenisation-promoting agent.
  • composition is preferably in the form of an aqueous solution.
  • the product was filtered through muslin as it was dispensed.
  • Aerosol OT 75 (By Cyanamid BV, Botlek, Rotterdam) comprises sodium sulphosuccinate in a mixture of ethanol and water, and is present as a foaming agent.
  • Butyl diglycol ether (butyl diglycol; diethylene glycol monobutyl ether) is commercially available (e.g. from Tennants (Lancashire) Ltd., Chetham, Manchester) and is present to promote homogenisation.
  • Dequest (trade mark) 2046 and 2066 are available from Monsanto plc, Chineham, Basingstoke. Both are sequestrants, Dequest 2046 being pentasodium salt of ethylenediaminetetra (methylenephosphonic) acid, and Dequest 2066 being heptasodium salt of diethylenetriaminepenta (methylenephosphonic) acid.
  • This mixture is useful as a general detergent for laboratory use.
  • SXS-30 is sodium xylene sulphonate from Lankro Chemicals Limited, Eccles, Manchester, and is present as a solubilising agent.
  • Surfynol 104E (trade mark) by Air Products and Chemicals Inc., Wayne, Pennsylvania is a wetting agent and comprises 2, 4, 7, 9 - tetramethyl - 5 decyn - 4, 7 diol in ethylene glycol (50%).
  • Triton CF21 (trade mark) by Rohm and Haas, Philadelphia is a liquid anhydrous nonionic alkyl aryl polyether low-foaming surfactant.
  • the product of this example is useful as a detergent for automatic washers, especially for laboratory use.
  • Example 1 The product of Examples 1 and 2 are liquids with specific gravities slightly in excess of 1.0. It would also be possible to produce the formulation of Example 2 as a powder.
  • Dequest 2046 and Dequest 2066 in the above examples may be varied, and other sequestrants of the Dequest series may be substituted. If an acidic sequestrant is used, it may be necessary to include an alkali in the mixture to obtain the desired detergent pH. Alternative sequestrants are EDTA, NTA, and their derivatives. If a surfactant is present, the sequestrant must be limited to an amount compatible therewith without precipitation, the maximum likely to be 75% by weight of the constituents other than water.

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)
  • Detergent Compositions (AREA)
EP19890307758 1988-07-30 1989-07-31 Phosphatfreie Waschmittel Withdrawn EP0353973A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888818215A GB8818215D0 (en) 1988-07-30 1988-07-30 Phosphate-free detergent
GB8818215 1988-07-30

Publications (2)

Publication Number Publication Date
EP0353973A2 true EP0353973A2 (de) 1990-02-07
EP0353973A3 EP0353973A3 (de) 1990-10-17

Family

ID=10641404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890307758 Withdrawn EP0353973A3 (de) 1988-07-30 1989-07-31 Phosphatfreie Waschmittel

Country Status (2)

Country Link
EP (1) EP0353973A3 (de)
GB (1) GB8818215D0 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1056177A (en) * 1962-09-04 1967-01-25 Monsanto Co Method for the sequestration of metal ions, and washing compositions
CA777769A (en) * 1963-03-18 1968-02-06 H. Roy Clarence Substituted methylene diphosphonic acid compounds and detergent compositions
ZA661932B (de) * 1965-04-01
US3551339A (en) * 1966-12-16 1970-12-29 Procter & Gamble Built detergent compositions
GB1287887A (de) * 1968-10-24 1972-09-06
DE2015022C3 (de) * 1970-03-28 1979-03-29 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen Mittel zum Stabilisieren der Wasserhärte, insbesondere in Reinigungslösungen
US3925228A (en) * 1973-01-11 1975-12-09 Colgate Palmolive Co Carbonate built detergents
GB1563521A (en) * 1977-01-10 1980-03-26 Monsanto Europe Sa Organophosphorus scale inhibitor compositions and their use in aqueous alkaline cleaning solutions
DE2861903D1 (en) * 1977-11-07 1982-08-05 Procter & Gamble Detergent compositions having improved bleaching effect
GR75249B (de) * 1980-05-10 1984-07-13 Procter & Gamble
GB8504489D0 (en) * 1985-02-21 1985-03-27 Monsanto Europe Sa Aminomethylenephosphonate compositions
DE3668330D1 (de) * 1985-05-04 1990-02-22 Henkel Kgaa Geruestsalzfreie fluessigwaschmittel mit textilweichmachenden eigenschaften.

Also Published As

Publication number Publication date
EP0353973A3 (de) 1990-10-17
GB8818215D0 (en) 1988-09-01

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