EP1966364A1 - Amélioration de la stabilité de détergents contenant de l'hypochlorite - Google Patents

Amélioration de la stabilité de détergents contenant de l'hypochlorite

Info

Publication number
EP1966364A1
EP1966364A1 EP06829421A EP06829421A EP1966364A1 EP 1966364 A1 EP1966364 A1 EP 1966364A1 EP 06829421 A EP06829421 A EP 06829421A EP 06829421 A EP06829421 A EP 06829421A EP 1966364 A1 EP1966364 A1 EP 1966364A1
Authority
EP
European Patent Office
Prior art keywords
hydrogen
hypochlorite
alkali metal
use according
metal salt
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.)
Granted
Application number
EP06829421A
Other languages
German (de)
English (en)
Other versions
EP1966364B1 (fr
Inventor
Carlos Malet
Miguel Osset
Mercedes Mendoza Cruz
Nuria Montaner
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
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to PL06829421T priority Critical patent/PL1966364T3/pl
Publication of EP1966364A1 publication Critical patent/EP1966364A1/fr
Application granted granted Critical
Publication of EP1966364B1 publication Critical patent/EP1966364B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C11D3/395—Bleaching agents
    • C11D3/3956—Liquid compositions
    • 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
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents

Definitions

  • the present invention relates to the stabilization of hypochlorite-containing liquid detergents which contain optical brighteners.
  • Sodium hypochlorite is known to be a highly effective bleaching agent and has been used for a long time, optionally with soaps and / or synthetic surfactants, to remove stains and all sorts of soils from laundry to textiles as well as hard surface cleaning. It is normally sold in concentrations of about 2% to 10% by weight in water for household use
  • Liquid detergent formulations or corresponding preparations of hard surface cleaners containing hypochlorite as a bleach component are susceptible to loss of activity upon prolonged storage, especially because of the then-degradation of the hypochlorite.
  • ingredients that are desirable from an application point of view or for aesthetic reasons in detergents and cleaners include, in addition to the performance of such agents crucial influencing agents, among which in particular the hypochlorite may be mentioned, also active ingredients, which rather the visual appearance of the so affect treated textiles.
  • active ingredients which rather the visual appearance of the so affect treated textiles.
  • optical brighteners to name, which raise during the washing process on the fibers of the textile material. These compounds are able to absorb light and emit light of shorter wavelength.
  • the present invention relates to the use of diethylenetriaminepentamethylenephosphonic acid and / or its alkali metal salt for stabilizing optical brighteners in aqueous liquid detergents which contain alkali metal hypochlorite.
  • a second aspect of the invention is an aqueous liquid bleach or bleaching detergent containing alkali hypochlorite and optical brightener which is characterized in that it additionally contains diethylenetriaminepentamethylenephosphonic acid and / or its alkali metal salt.
  • Diethylenetriamine penta-methylenephosphonic acid is commercially available, for example, under the trade name Dequest® 2066.
  • the agent according to the invention may contain any alkali metal salts of diethylenetriaminepentamethylenephosphonic acid.
  • R 1 is hydrogen, -SO 3 M, -OR 13 , -CN, -Cl, -COOR 13 , -CON (R 13 ) 2
  • R 2 and R 3 are independently hydrogen, -R 13 or -Ar,
  • R 4 and R 5 are independently -OH, -Cl, -NH 2 , -OR 13 , -O-Ar, -NHR 13 , -N (R 13 ) 2 , -NR 13 R 14 , -N (R 14 ) 2 , -NH-Ar, a morpholino group, -SR 13 or -S-Ar,
  • R 6 is hydrogen, -Cl or -SO 3 M
  • R 7 is -CN, -SO 3 M, -SR 13 or -S-Ar
  • R 8 is hydrogen, -R 13 , -Cl or -SO 3 M
  • R 9 and R ! 0 independently of one another are hydrogen, -R 13 , -Cl, -SO 3 M or -OR 13 , R 11 is hydrogen or -R 13 ,
  • R 12 is hydrogen, -R 13 , -CN, Cl, -COOR 13 , -CON (R 13 ) 2 , -Ar or -O-Ar,
  • R 13 is a branched or unbranched C 1 to C 4 alkyl group
  • R 14 is a branched or unbranched C 1 - to C 4 -hydroxyalkyl group
  • Ar is optionally substituted with -R 13 , -Cl, -SO 3 M or -OR 13
  • M is hydrogen, Na, K, Ca, Mg, ammonium, mono-, di-, , tri- or tetra-R 13 - substituted ammonium, mono-, di-, tri- or tetra-R I4 -substituted ammonium or mono- with a mixture of R 13 and R 14, di-, tri- or tetra-substituted Ammonium.
  • optical brighteners which correspond to the formulas (I) or (II).
  • Optical brighteners are usually present only in small amounts, for example from 10 ppm to 0.5 wt .-%, in detergents or bleaches
  • Preparations according to the invention are particularly suitable and very effective as bleaching agents or bleaching detergents for white textiles.
  • An agent of the present invention is effective against a variety of stains, including greasy soils such as sebum, makeup, or lipstick, enzymatically removable soils such as blood, grass or cocoa, and bleachable soils such as wine, coffee or tea, even after aging of the composition, ie if it has been stored for a long time after its production.
  • a further advantage of bleaches according to the present invention is that they are suitable for bleaching textiles of various materials, including those of natural fibers such as cotton or linen, but also those of synthetic material, such as synthetic polymer fibers, and also those of corresponding blended fabrics.
  • a liquid composition according to the present invention is advantageously applied to the textiles to be cleaned in diluted form, for example when it is used in manual or machine washing of textiles as a washing additive or as a detergent alone, but it can additionally or alternatively also undiluted to the textile be applied, for example, as a liquid pretreatment agent or stain remover.
  • a bleaching agent in the form of hypochlorite is an essential component of the compositions according to the invention.
  • Bleaches per se are well-known components of detergent and cleaner compositions and, in particular, are also successful in controlling mildew and mildew and in disinfecting.
  • alkali metal hypochlorites such as potassium hypochlorite
  • sodium hypochlorite in stabilized compositions of this invention.
  • Commercially available aqueous sodium hypochlorite solutions often contain considerable amounts of chloride salts. These can readily be used for the production of agents according to the invention, so that it is not necessarily dependent on the use of high-purity NaOCl.
  • the compositions contain 0.5% by weight to 5% by weight, in particular 1% by weight to 4% by weight, of alkali metal hypochlorite.
  • the stabilized agents according to the invention are normally alkaline and may contain for this purpose about 0.1 wt .-% to 2 wt .-%, in particular 0.1 wt .-% to 1.1 wt .-% alkali metal hydroxide.
  • the preferred alkali hydroxide is sodium hydroxide, and also the alkali salts mentioned in connection with the other ingredients of the compositions are preferably the sodium salts.
  • the formulations may contain surfactants that are stable in the presence of the hypochlorite. Preference is given to betaines, in particular those of the general formula IX, R 15
  • R 14 is an alkyl or alkenyl group having 6 to 22 carbon atoms or a group R 17 CO-NH- (CH 2 ) 1 -
  • R 15 is hydrogen or an alkyl group having 1 to 4 carbon atoms
  • R 16 is hydrogen or a alkyl group having 1 to 4 carbon atoms
  • R is an alkyl or alkenyl group having 6 to 22 carbon atoms
  • m is a number from 1 to 6
  • n is a number from 1 to 3 17th
  • particularly suitable representatives of this class of surfactants include Ci dimethyl betaine 2- i 8 alkyl, commercially available as coconut betaine, and Ci 0- i 6 alkyl dimethyl betaine, commercially available as laurylbetaine.
  • a further class of particularly preferred surfactants are the alkyl ether sulfates which are obtainable by reaction of alcohols (preferably containing 6 to 22 carbon atoms), with alkylene oxides, especially ethylene oxide followed by sulfation and neutralization available, particularly an alkoxylated with 2 equivalents of ethylene Ci 2 - I4 - fatty alcohol ether sulphate , In the ether sulfates, the corresponding cation is preferably sodium.
  • Surfactants are preferably present in amounts up to 20 wt .-%, in particular from 0.1 wt .-% to 15 wt .-% in accordance with the invention stabilized agents.
  • the preparations may optionally contain, in addition to the diethylenetriaminepentamethylene phosphonic acid and / or their alkali metal salt, further sequestering agents, preferably alkylphosphonic acids having at least one amine oxide substituent on the alkyl group, referred to herein as amine oxide phosphonic acids, polyacrylic acids and / or polyoxyacids containing phosphono groups, which are also known in the art may be in the form of their alkali metal salts.
  • amine oxide phosphonic acids preferably alkylphosphonic acids having at least one amine oxide substituent on the alkyl group, referred to herein as amine oxide phosphonic acids, polyacrylic acids and / or polyoxyacids containing phosphono groups, which are also known in the art may be in the form of their alkali metal salts.
  • Amine oxide phosphonic acids are normally prepared by oxidation of aminoalkyl phosphonic acids. They preferably belong to the group of compounds according to general formula (X), O
  • R 18 is hydrogen, a group - (CH 2 ) x (CHCH 3 ) y -NH 2 -> 0 or an alkali metal, x is a number from 1 to 4 and y is 0 or 1.
  • amine oxide phosphonic acids is the amine oxide based on aminotrimethylene phosphonic acid. Preferably, from 0.01% to 2% by weight of such additional sequestering agents are present.
  • the preparations stabilized according to the invention may contain small amounts of pH-buffering substances and / or one or more pale-stable dyes or fragrances.
  • the optional perfume component is preferably of higher relative volatility than the ingredients optionally responsible for a bleaching odor.
  • the compositions contain from more than 0 wt% to about 0.01 wt%, more preferably from about 0.001 wt% to about 0.008 wt% of colored, especially blue and / or green, metal pigment.
  • complex compounds of nickel, cobalt, cuprous, iron and / or manganese are preferred; particularly preferred are copper phthalocyanine dyes.
  • alkali iodide Preferably, therefore, more than 0 wt .-% to about 0.01 wt .-%, in particular about 0.001 wt .-% to about 0.006 wt .-% alkali metal iodide, in particular potassium iodide present in inventive compositions.
  • Useful pH buffering ingredients are preferably selected from the alkali carbonates, polycarbonates, sesquicarbonates, silicates, polysilicates, borates, phosphates, stannates, aluminates and mixtures thereof, the preferred alkali metals being sodium and potassium.
  • the starting materials for the preparation of, for example, the hypohalite bleach may contain by-products, for example, carbonate, which may result in a content of such by-products in the compositions of optionally up to 0.4% by weight.
  • the aqueous compositions according to the invention normally have viscosities in the range from about 25 mPa.s to 1500 mPa.s, in particular from 50 mPa.s to 1100 mPa.s.
  • a composition of the invention in dilute or undiluted form, can be used to remove soils and stains from fabrics by allowing the composition and fabric to contact each other for a time sufficient to bleach the fabric, and then the fabric rinsed with water.
  • the textile can also be washed using an agent according to the invention by hand or in a mechanical washing process in which an agent according to the invention is metered into a conventional washing machine.

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)

Abstract

L'objectif de cette invention est d'améliorer la stabilité de stockage de détergents liquides aqueux contenant de l'hypochlorite ainsi que des agents de blanchiment optique. A cet effet, un agent complexant spécifique est utilisé.
EP06829421.4A 2005-12-30 2006-12-08 Amélioration de la stabilité de détergents contenant de l'hypochlorite Not-in-force EP1966364B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06829421T PL1966364T3 (pl) 2005-12-30 2006-12-08 Podwyższenie stabilności podchlorynonośnych środków piorących

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005063177A DE102005063177A1 (de) 2005-12-30 2005-12-30 Erhöhung der Stabilität hypochlorihaltiger Waschmittel
PCT/EP2006/011814 WO2007079856A1 (fr) 2005-12-30 2006-12-08 Amélioration de la stabilité de détergents contenant de l'hypochlorite

Publications (2)

Publication Number Publication Date
EP1966364A1 true EP1966364A1 (fr) 2008-09-10
EP1966364B1 EP1966364B1 (fr) 2014-03-19

Family

ID=37680761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829421.4A Not-in-force EP1966364B1 (fr) 2005-12-30 2006-12-08 Amélioration de la stabilité de détergents contenant de l'hypochlorite

Country Status (6)

Country Link
US (1) US7786066B2 (fr)
EP (1) EP1966364B1 (fr)
DE (1) DE102005063177A1 (fr)
ES (1) ES2455145T3 (fr)
PL (1) PL1966364T3 (fr)
WO (1) WO2007079856A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US20130096045A1 (en) * 2011-10-12 2013-04-18 Ecolab Usa Inc. Moderately alkaline cleaning compositions for proteinaceous and fatty soil removal at low temperatures

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Also Published As

Publication number Publication date
US7786066B2 (en) 2010-08-31
EP1966364B1 (fr) 2014-03-19
DE102005063177A1 (de) 2007-07-05
ES2455145T3 (es) 2014-04-14
PL1966364T3 (pl) 2014-08-29
US20080305980A1 (en) 2008-12-11
WO2007079856A1 (fr) 2007-07-19

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