EP3178915A1 - Procédé permettant d'éliminer des taches grasses et formulation adaptée à un tel procédé - Google Patents

Procédé permettant d'éliminer des taches grasses et formulation adaptée à un tel procédé Download PDF

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Publication number
EP3178915A1
EP3178915A1 EP15199326.8A EP15199326A EP3178915A1 EP 3178915 A1 EP3178915 A1 EP 3178915A1 EP 15199326 A EP15199326 A EP 15199326A EP 3178915 A1 EP3178915 A1 EP 3178915A1
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EP
European Patent Office
Prior art keywords
formulation
alkyl
range
weight
stains
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.)
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EP15199326.8A
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German (de)
English (en)
Inventor
Stephan Hueffer
Alejandra Garcia Marcos
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BASF SE
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BASF SE
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Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to EP15199326.8A priority Critical patent/EP3178915A1/fr
Publication of EP3178915A1 publication Critical patent/EP3178915A1/fr
Withdrawn legal-status Critical Current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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2093—Esters; Carbonates
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0057—Oven-cleaning 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • 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
    • C11D3/43—Solvents
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention is directed towards a process for removing fatty stains, comprising the step of
  • the present invention is directed towards formulations suitable for such process.
  • inventive process may comprise various steps.
  • inventive process comprises the step (a) of applying a formulation comprising
  • step (a) said step is also being referred to as step (a) and the formulation applied herein as inventive formulation.
  • Fatty stains include stains from oil and from solid fats, preferably they are selected from fatty stains in ovens and fatty stains on textile.
  • the ingredients of the inventive formulations and the details of the inventive process are defined in more detail below.
  • step (a) of the inventive process a formulation is applied that contains at least one compound according to general formula (I) R 1 -O-C(O)-A 1 -COO-R 1 (I), hereinafter also referred to as compound (A), wherein
  • R 1 are identical or different and selected from C 3 -C 10 -alkyl, for example n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, sec-pentyl, neopentyl, 1,2-dimethylpropyl, isoamyl, n-hexyl, isohexyl, sec-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl or isodecyl, preferred are in each case the n-C 3 -C 10 -alkyl groups.
  • both R 1 in compound (A) are identical and selected from C 4 -C 10 -alkyl with at most one branching per R 1 .
  • both groups R 1 in compound (A) are identical and selected from n-C 3 -C 10 -alkyl. More preferred, both groups R 1 in compound (A) are identical and selected from n-C 3 -C 6 -alkyl. In an even more preferred embodiment, both R 1 are n-butyl.
  • a 1 is selected from C 2 -C 18 -alkylene and C 5 -C 8 -cycloalkylene.
  • Examples of C 2 -C 18 -alkylene are -CH 2 -CH 2 -, -(CH 2 ) 3 -, -(CH 2 ) 4 -, -CH 2 -CH(CH 3 )-CH 2 -, -CH 2 -C(CH 3 ) 2 -CH 2 -, -(CH 2 ) 5 -, -(CH 2 ) 6 -, -(CH 2 ) 7 -, -(CH 2 ) 8 -, -(CH 2 ) 9 -, -(CH 2 ) 10 -, -(CH 2 ) 12 -, -(CH 2 ) 14 -, -(CH 2 ) 16 -, -(CH 2 ) 18 -.
  • C 5 -C 8 -cycloalkylene examples include cyclopenylene, cyclohexylene, cycloheptylene and cyclooctylene, in particular of the following formulae:
  • compounds (A) are di-n-butylsuccinate, di-n-hexylsuccinate, di-n-butyladipate, di-n-hexyl adipate, and Even more preferred is
  • Formulations used in step (a) of the inventive process comprise at least one anionic surfactant (B).
  • suitable anionic surfactants (B) are alkali metal and ammonium salts of C 8 -C 12 -alkyl sulfates, of C 12 -C 18 -fatty alcohol ether sulfates, of C 12 -C 18 -fatty alcohol polyether sulfates, of sulfuric acid half-esters of ethoxylated C 4 -C 12 -alkylphenols (ethoxylation: 3 to 50 mol of ethylene oxide/mol), of C 12 -C 18 -alkylsulfonic acids, of C 12 -C 18 sulfo fatty acid alkyl esters, for example of C 12 -C 18 sulfo fatty acid methyl esters, of C 10 -C 18 -alkylarylsulfonic acids, preferably of n-C 10 -C 18 -alkylbenzene sulfonic acids
  • anionic surfactants (B) are selected from n-C 10 -C 18 -alkylbenzene sulfonic acids and from fatty alcohol polyether sulfates, which, within the context of the present invention, are in particular sulfuric acid half-esters of ethoxylated C 12 -C 18 -alkanols with a degree of ethoxylation in the range of from 1 to 50 mol of ethylene oxide/mol, preferably of n-C 12 -C 18 -alkanols.
  • anionic surfactants are carboxylates that bear a linear C 10 -C 30 -alkyl group or a linear C 10 -C 30 -mono-alkenyl group, the C-C double bond being preferably trans.
  • Examples are not only stearate and palmitate but also N-(n-C 10 -C 30 -alkyl) sarcosinates, for example sodium N-lauroylsarcosinate.
  • Formulations used in step (a) of the inventive process comprise (C) at least one organic substance bearing at least one hydroxyl group and at least one amino group per molecule, hereinafter also referred to as organic substance (C).
  • organic substances (C) are 2-aminoethanol ("ethanolamine”), boiling point 172°C, N,N-diethanolamine, N,N,N-triethanolamine (“triethanolamine”), N-methylethanolamine, N-methyl-N,N-diethanolamine, and N-n-butyl-N,N-diethanolamine.
  • organic substance (C) is selected from polyalkylenimines that may be alkoxylated, and from poly-triethanolamine.
  • poly-triethanolamine has a molecular weight M n in the range of from 450 to 4,500 g/mol.
  • Polyalkylenimines (C) are described in more detail below.
  • Polyalkylenimine (C) comprises alkoxy side chains and a backbone of polyalkylenimine, for example polyethylenimine or polypropylenimine.
  • the polyalkylenimine backbone can be linear, predominantly linear or branched, predominantly linear being preferred and linear being more preferred.
  • the structure of the polyalkylenimine backbone is depending on the type of synthesis of the respective polyalkylenimine. In the context of the present invention, said polyalkylenimine can also be referred to as "backbone” or as "backbone of alkoxylated polyalkylenimine (C)".
  • Polyalkylenimines (C) as defined in the context with the present invention can also be regarded as polyalkylenepolyamines. They bear at least 6 N-atoms per molecule in the form of amino groups, e. g., as NH 2 -groups, as secondary amino groups or as tertiary amino groups.
  • polyethylenimine in the context of the present invention does not only refer to polyethylenimine homopolymers but also to polyalkylenimines containing NH-CH 2 -CH 2 -NH structural elements structural elements together with other alkylene diamine structural elements, for example NH-CH 2 -CH 2 -CH 2 -NH structural elements, NH-CH(CH 3 )-CH2-NH structural elements, NH-(CH 2 ) 4 -NH structural elements, NH-(CH 2 ) 6 -NH structural elements or (NH-(CH 2 ) 8 -NH structural elements but the NH-CH 2 - CH 2 -NH structural elements being in the majority with respect to the molar share.
  • Preferred polyethylenimines contain NH-CH 2 -CH 2 -NH structural elements being in the majority with respect to the molar share, for example amounting to 60 mol-% or more, more preferably amounting to at least 70 mol-%, referring to all alkylenimine structural elements in said polyalkylenimine (C).
  • polyethylenimine refers to those polyalkylene imines that bear one or zero alkylenimine structural element per molecule that is different from NH-CH 2 -CH 2 -NH.
  • polypropylenimine in the context of the present invention does not only refer to polypropylenimine homopolymers but also to polyalkylenimines containing NH-CH 2 -CH 2 -CH 2 -NH structural elements or NH-CH 2 -CH(CH 3 )-NH structural elements together with other alkylene diamine structural elements, for example NH-CH 2 -CH 2 -NH structural elements, NH-(CH 2 ) 4 -NH structural elements, NH-(CH 2 ) 6 -NH structural elements or (NH-(CH 2 ) 8 -NH structural elements but the NH-CH 2 -CH 2 -CH 2 -NH structural elements or NH-CH 2 -CH(CH 3 )-NH structural elements being in the majority with respect to the molar share.
  • Preferred polypropylenimines contain NH-CH 2 -CH 2 -CH 2 -NH structural elements being in the majority with respect to the molar share, for example amounting to 60 mol-% or more, more preferably amounting to at least 70 mol-%, referring to all alkylenimine structural elements in said polyalkylenimine (C).
  • polypropylenimine refers to those polyalkylene imines that bear one or zero alkylenimine structural element per molecule that is different from NH-CH 2 -CH 2 -CH 2 -NH.
  • Branches may be alkylenamino groups such as, but not limited to -CH 2 -CH 2 -NH 2 groups or (CH 2 ) 3 -NH 2 -groups.
  • Longer branches may be, for examples, -(CH 2 ) 3 -N(CH 2 CH 2 CH 2 NH 2 ) 2 groups.
  • Highly branched polyalkylenimines are, e.g., polypropylene dendrimers or related molecules with a degree of branching in the range from 0.25 to 0.95, preferably in the range from 0.30 to 0.80 and particularly preferably at least 0.5.
  • highly branched polyalkylenimines are polyalkylenimines with DB in the range from 0.25 to 0.95, particularly preferably in the range from 0.30 to 0.90% and very particularly preferably at least 0.5.
  • CH 3 -groups are not being considered as branches.
  • Polyalkylenimine (C) may be non-substituted or substituted with (poly)oxyalkylene groups. Said alkoxy side chains can be attached to the backbone by alkoxylation. (Poly)oxyalkylene groups may be attached to the backbone by reacting the respective polyalkylenimine with at least one alkylene oxide, for example ethylene oxide, propylene oxide, butylene oxide, pentylenoxide, decenyl oxide, dodecenyl oxide, or mixtures of at least two alkylene oxides of the foregoing. Preference is given to ethylene oxide, 1,2-propylene oxide and mixtures of ethylene oxide and 1,2-propylene oxide. If mixtures of at least two alkylene oxides are applied they can be reacted random-wise or block-wise.
  • polyalkylenimine (C) is selected from those with alkylene oxide units and N atoms in a molar ratio in the range of from 1 : 1 to 100 : 1, preferably in the range of from 2:1 to 50:1, the N atoms resulting from alkylenimine units.
  • the alkylenimine units are ethylenimine units in their majority, for example at least 60 mol-%, referring to the total of alkylenimine units, preferably at least 70 mol-%.
  • polyalkylenimine (C) is selected from those with alkylene oxide units and N atoms in a molar ratio in the range of from 1 : 1 to 100 : 1, preferably in the range of from 2:1 to 50:1, the N atoms resulting from ethylenimine units, and no alkylenimine units other than ethylenimine or propylenimine units being present.
  • the average molecular weight M w of polyalkylenimines (C) is in the range of from 2,500 to 1,500,000 g/mol, preferably up to 500,000 g/mol and more preferably up to 100,000 g/mol.
  • the average molecular weight M w of polyalkylenimines (C) may be determined by gel permeation chromatography (GPC), with 1.5 % by weight aqueous formic acid as eluent and cross-linked poly-hydroxyethylmethacrylate as stationary phase.
  • Formulations used in step (a) of the inventive process may comprise water.
  • the formulation applied in step (a) has a total concentration of (A), (B), and (C) in the range of from 3 to 15% by weight.
  • the formulation applied in step (a) is a concentrate, and the total concentration of (A), (B), and (C) is in the range of from 80 to 99% by weight.
  • formulations used in step (a) of the inventive process do not contain significant amounts of organic solvents with a boiling point below 145°C at normal pressure.
  • Significant amounts in this context refers to quantities of 1 % by weight or more.
  • formulation applied in step (a) is an aqueous formulation that has a pH value in the range of from 6 to 14, preferably up to 13.5.
  • formulation used in step (a) of the inventive process contains
  • Non-cyclic N-C 2 -C 20 -alkyl amides include N-C 2 -C 20 -monoalkyl amides and N,N-di-C 2 -C 20 -alkyl amides. Specific examples are N-ethyl formamide, N-isopropyl formamide, and N,N-diethyl formamide. Further examples are N,N-diethyloctanamide and N,N-diethyl decanamide.
  • lactams (D) are preferred.
  • lactams (D) are selected from ⁇ -lactams (gamma-lactams), ⁇ -lactams and ⁇ -lactams. Specific examples are N-ethyl pyrrolidone, N-octyl pyrrolidone, N-ethyl 6-valerolactam, N-octyl ⁇ -valerolactam, N-ethyl ⁇ -caprolactam, and N-octyl ⁇ -caprolactam.
  • the weight ratio of compound (A) to lactam (D) is in the range of from 1:1 to 10:1.
  • formulations applied in step (a) comprise
  • inventive formulations preferably comprise 0.1 to 5 % by weigh of polyalkylenimine (C), even more preferably from 0.2 to 3 % by weight.
  • Step (a) of the inventive process may be carried out by contacting a soiled surface with a formulation described above. Such contacting may be carried out by pouring, spraying, dripping or the like of such formulation on said surface, or by putting the surface soiled into said formulation.
  • Said applying may be supported mechanically, for example by rubbing, brushing, and beating on a clean surface, preferred are rubbing and brushing, or without mechanical support.
  • step (a) of the inventive process is performed at a temperature in the range of from 10 to 50°C, preferably 15 to 50°C and even more preferably 20 to 40°C.
  • the inventive process comprises at least one step (b) that is directed to removal of non-used formulation and the removal of soil.
  • Non-used formulation and Step (b) may be carried out by rinsing the cleaned surface with a rinse formulation, for example water or an aqueous rinse solution.
  • inventive process may comprise a step (c) that is directed to drying of the cleaned surface.
  • the inventive process is applied to soiled textile surfaces, and - as step (d) - a regular laundering step or heavy duty laundering step follows.
  • the inventive process is applied to soiled china or soiled kitchenware, and a regular automatic dishwashing step (e) follows.
  • the inventive process leads to excellent cleaning results. Soil and preferably greasy soil can be removed easily and to a major extent from all sorts of surfaces, for example textile or metal surfaces.
  • a further aspect of the present invention is directed towards formulations that may be employed in step (a), such formulations also being referred to as inventive formulations or as formulations according to the present invention.
  • inventive formulations may comprise
  • both groups R 1 in compound (A) are identical and selected from C 4 -C 10 -alkyl with at most one branching per R 1 .
  • compound (A) is selected from the di-n-butylester of adipic acid and the diisononylester of 1,2-cyclohexane dicarboxylic acid.
  • inventive formulations are aqueous formulations that have a pH value in the range of from 6 to 14, preferably up to 13.5.
  • the surface to be cleaned is a textile surface inventive formulations with a pH value of up to 13.5 are particularly useful.
  • surfaces are car surfaces inventive solutions with a pH value in the range of from 6 to 10 are preferred.
  • inventive formulations comprise
  • organic substance (C) is selected from polyalkylenimines (C)
  • inventive formulations preferably comprise from 0.1 to 5 % by weigh of polyalkylenimine (C), even more preferably from 0.2 to 3 % by weight.
  • both R 1 in compound according to general formula (I) are identical and selected from C 4 -C 10 -alkyl with at most one branching per R 1 .
  • Inventive formulations have excellent cleaning properties, for example as hard surface cleaners or as fabric cleaners, combined with a low demand for volatile solvents.
  • a specific aspect of the present invention is the use of an inventive formulation for the removal of fatty stains from collars of shirts.
  • Another specific aspect of the present invention is the use of an inventive formulation for the removal of fatty stains from ovens.
  • a 250 ml vessel was charged with 80 g water. Then, 5 g K 2 CO 3 , 1.2 g colloidal magnesium aluminium silicate, 3.5 g (C.1), 2 g (C.2), and 8 g butylenediglycol (BDG) were added, followed by 0.5 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Comparative formulation C-HSC.2 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 6 g aqueous solution of NaOH (50%), 1.5 g (C.1), 0.5 g (C.2), 2.5 g (A.1), and 0.5 g (D.1) were added, followed by 0.3 g (B.3). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.4 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 6 g aqueous solution of NaOH (50%), 1.5 g (C.1), 2.5 g (A.1), 0.3 g (D.1), and 0.8 g colloidal magnesium aluminium silicate were added, followed by 0.1 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.5 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 6 g aqueous solution of NaOH (50%), 1.5 g (C.1), 3 g (A.3), 0.3 g (D.1), and 0.8 g colloidal magnesium aluminium silicate were added, followed by 0.1 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.6 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 6 g aqueous solution of NaOH (50%), 1.5 g (C.1), 0.5 g (C.2), 3 g (A.2), and 0.5 g (D.1) were added, followed by 0.3 g (B.1). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.7 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 6 g aqueous solution of NaOH (50%), 1.5 g (C.1), 2.5 g (A.1), 0.3 g (D.1), and 2 g (C.4) were added, followed by 0.1 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.8 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 5 g K 2 CO 3 , 1.0 g (C.1), 2.5 g (A.1), 0.3 g (D.1), and 2.5 g (C.4) were added, followed by 0.1 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.10 was obtained.
  • a 250 ml vessel was charged with 80 g water. Then, 5 g K 2 CO 3 , 1.0 g (C.1), 2.5 g (A.1), 0.3 g (D.2), and 2.5 g (C.4) were added, followed by 0.1 g (B.2). Homogenisation was achieved with moderate stirring (magnetic) at ambient temperature over a period of time of 5 minutes. Inventive formulation HSC.11 was obtained.
  • Test soil a greasy soil was prepared by mixing 25.0% butter, 25.0% lard, 25.0% margarine, 12.5% ketchup, and 12.5% mustard at 40 to 45°C under continuous stirring. Warm greasy soil was obtained.
  • White ceramic tiles (20x20 cm) with matt surface were pre-cleaned with ethanol and then their weight was determined. About 3 to 3.5 of greasy soil were applied evenly to each ceramic tile with a roller. Then, the ceramic tiles were heated in an oven to 180°C for two hours. Then, the ceramic tiles were allowed to cool to ambient temperature and stored for 48 hours. Then, the cleaning tests were performed.
  • inventive formulation or comparative formulation, respectively was applied to the ceramic tile through a trigger sprayer.
  • an amouont of 3.5 g inventive formulation or comparative formulation, respectively was evenly sprayed onto the surface of the respective ceramic tile.
  • inventive formulation or comparative formulation, respectively was allowed to act for 2 minutes.
  • the soiled surface of the ceramic tile was wiped with a cellulose-type wet sponges (without applying any force). Then, the ceramic tile was rinsed with cold tap water.
  • Table 1 The results are summarized in Table 1.
  • the product volatiles were evaluated as follows: an amount of 5 g of the respective inventive formulation or comparative formulation was sprayed onto a surface that was dried at 30°C in a 40-I-vessel. Three test persons evaluated the volatiles after opening the vessel by determining the smell. Grade 5 means no smell, grade 1 means strong smell.
  • composition of inventive stain removers for textiles TSR.1 TSR.2 TSR.3 (A) [g] (A.1) 4 (A.1) 4 (A.1) 3, (A.3) 2 (B) [g] (B.1) 1.5 (B.2) 1.5 (B.2) 1.5 (C) [g] (C.2) 2.5, (C.4) 2.5 (C.2) 2.5, (C.4) 2.5 (C.2) 2.5, (C.4) 2.5 (C.2) 2.5, (C.4) 2.5 (D) [g] (D.1) 1 (D.2) 1 (D.1) 1 others 10 g isopropanol, 1 g sodium oleate 10 g isopropanol, 1 g sodium oleate 10 g isopropanol, 1 g sodium oleate
  • test liquid test laundry detergent containing 16 pieces of standardized soiled fabric, each of 2,5 x 2,5 cm size and stitched on two sides to a polyester carrier, were pre-treated with 1.5 g textile soil remover/100 cm 2 that were applied evenly. After 15 minutes of action of the textile soil remover at ambient temperature the test fabrics were laundered in a washing machine. Two test multi stain monitors were washed together with a load of 3.5 kg of cotton towels and 75 g of liquid test laundry detergent, one cycle, 40°C. The following mixture was applied as test liquid test laundry detergent:
  • the L-value is a measure of the quality of cleaning in general and - in the instant case - of laundering compared to the non-pretreated test fabric. A difference of 1 unit can be detected by a skilled person. A non-expert can detect 2 units easily.

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  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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EP15199326.8A 2015-12-10 2015-12-10 Procédé permettant d'éliminer des taches grasses et formulation adaptée à un tel procédé Withdrawn EP3178915A1 (fr)

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EP15199326.8A EP3178915A1 (fr) 2015-12-10 2015-12-10 Procédé permettant d'éliminer des taches grasses et formulation adaptée à un tel procédé

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EP15199326.8A EP3178915A1 (fr) 2015-12-10 2015-12-10 Procédé permettant d'éliminer des taches grasses et formulation adaptée à un tel procédé

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019068803A1 (fr) * 2017-10-05 2019-04-11 Basf Se Agent antimousse à sélection de phase

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