TR201906836T4 - Laundry detergent composition. - Google Patents

Abstract

The present invention provides a formulation for household laundry use: (i) 5 to 50% by weight of a surfactant other than an alkoxylated di or tri aryl phenol dispersant, selected from anionic and nonionic surfactants; (ii) 0.5 to 20% by weight of an alkoxylated di or tri aryl phenol dispersant and (iii) 0.0005 to 0.2% by weight of a protease enzyme. The domestic method of treating a fabric includes: (i) treating a fabric with 1 g / L of an aqueous solution of the detergent composition and (ii) contacting said aqueous detergent solution with the fabric for 10 minutes to 2 days. keeping the fabric, then rinsing and drying the fabric.

Description

DESCRIPTION LAUNDRY DETERGENT COMPOSITION Field of Invention This invention is an enzymatic and dispersing agent for use in home-washed laundry. Provides formulation.

Known Issues About the Invention Containing a higher percentage of anionic surfactant than nonionic surfactant Laundry detergent formulations are common. Protease enzymes in laundry detergent formulations contain proteins from fabrics. It is used to remove stains.

Document No. W0 specifies alkyl ether to provide softening properties. carboxylic acids, betaines, anionic surfactants, nonionic surfactants Explains liquid formulations containing substances.

WO 02/36727 discloses a detersive surfactant, a metallo protease and a discloses a detergent composition containing calcium ion. describes their preparation and use as surfactant additives. Nonionic and anionic surfactants useful for removing oligomer residues describes a composition that contains a mixture of The composition of this invention is an ethoxylated sorbitan ester and at least one additional nonionic or anionic surfactant. Document GB 2007692 describes anti-fouling and anti-sedimentation products that can be used in detergents. Explain preventive compositions.

Containing a higher percentage of anionic surfactant than nonionic surfactant There is a need to increase stain removal in laundry formulations.

Summary of the Invention Surprisingly, the combination of a protease with an alkoxylated di or triaryl phenol, Provides advanced stain removal.

In one aspect, the present invention provides a laundry detergent composition comprising: (i) an alkoxylated di or 5 to 50% by weight of a surfactant other than triaryl phenol dispersing agent, preferably 6 to 30% by weight, more preferably 8 to 20% by weight; where the nonionic surfactant/anionic surfactant weight ratio is 0 to (ii) 0.5 to 20% by weight of an alkoxylated di- or triaryl phenol dispersing agent, preferably 1.5 to 10% by weight, most preferably 2.5 to 5% by weight; where the alkoxylated di or triphenol dispersant has the following structure: R1 O-Xn-T where Ri is styryl groups, X is ethoxy groups, n is 6 to 70, and T is H. Most preferred So n is 12 to 20.

The protease is preferably a serine protease, more preferably a serine subtilase type. The protease is most preferably a subtilisin subtilase type serine protease.

The weight % of anionic surfactants is calculated as sodium salt.

In another aspect, this invention relates to a household practice for treating a fabric. provides procedure; The procedure includes the following steps: (i) a fabric containing an aqueous mixture of laundry detergent composition as defined above. treated with 1 g/L of solution and (ii) allow said aqueous laundry detergent solution to soak with the fabric for 10 minutes to 2 days. ensuring it remains in contact throughout, then rinsing the fabric and drying.

Detailed Description of the Invention Detergent format Preferably, the laundry detergent formulation will be a phosphate-free laundry detergent formulation. formulation, meaning it contains less than 1% phosphate by weight. Preferably, powder laundry detergent Their formulations are mainly created with baking soda. Powders are preferably used Most preferably laundry detergent, preferably an aqueous liquid with a pH of 7 to 9. It is a laundry detergent.

Pr0teaz Protease enzymes hydrolyze bonds within peptides and proteins; washing In this context, this leads to improved removal of stains containing proteins or peptides.

Examples of suitable protease families include aspartic proteases, cysteine proteases, glutamic proteases, asparagine peptide Iase, serine proteases and threonine proteases. This kind protease families in the MEROPS peptidase database (http://mer0ps.sanger.ac.uk/). has been explained. Serine proteases are preferred. Subtilase type serine proteases are more preferred indicates. Serine proteases form a covalent adduct with the substrate at the active site. It is a subgroup of proteases characterized by their possession of serine. Subtilases are divided into six subdivisions, namely Subtilisin family, Termitase family, Proteinase K family, Lantibiotic peptidase family can be divided into Kexin family and Pyrolysine family. Examples of subtilases: Bacillus such as B. subtilis, B. amyloliquefaciens, Bacillus pumilus and Bacillus gibsonii subtilisin lentus, subtilisin Novo, derived from and disclosed in WO89/06279 subtilisin Carlsberg, Bacillus licheniformis, subtilisin BPN', subtilisin 309, subtilisin 147 are explained in the documents. Examples of trypsin-like proteases, WO89/06270, Disclosed are chymotrypsin proteases derived from Cellumonas. the variants described, specifically in one or more of the following locations are variants with substitutions: 3, 4, 9, 15, 27, using BPN' numbering 248, 252 and 274. More preferably subtilase variants with water mutations numbering is used).

Most preferably the protease is a subtilisin (EC 3.4.21.62).

From Bacillus, preferably Bacillus lentus, B., as disclosed in WO09/021867. alkalophilus, B. subtilis, B. amyloliquefaciens, Bacillus pumilus and Bacillus gibsonii. is derived. Most preferably, subtilisin is derived from Bacillus gibsonii or Bacillus Lentus. is derived.

Suitable commercially available protease enzymes include Alcalase®, Blaze®; DuralaseTm, Durazyme, Relase®, Relase® Ultra, Savinase®, Savinase® Ultra, Primase®, P01arzyine®, Kannase®, Liquanase®, Liquanase® Ultra, Ovozyme®, C0r0nase®, All sold under the brand names C0r0nase® Ultra, Neutrase®, Everlase® and Esperase® Available as Ultra® or Evity® (Novozymes A/S); Maxatase®, Maxacal®, Maxapem®, Properase®, by Genencor International Purafect®, Purafect Prime®, Purafect Ox®, FN3®, FN4®, Excellase® and Purafect Those sold under the OXP® brand, Maxatase®, Maxacal®, Maxapem®, Purafect®, Purafect Prime®, PreferenZTm, Purafect MA®, Purafect Ox®, Purafect OXP®, Puramax®, Properase®, Effectensz, FN2®, FN3®, FN4®, Excellase®, Opticlean® and Optimase® (Danisco/DuPont), AxapemTM (Gist-Brocases N.V.), all of which are Henkel/Kemira products, Available from Kemira, namely BLAP (US Pat. No. 5,352,604, shown in Figure 29), BLAP), BLAP R (BLAP with S3T + V4l + V199M + V2051 + L and BLAP F49 (S3T + V4I + with BLAP Bacillus alkalophilus subtilisin) containing mutations.

Alkoxylated di- or tri-arylphenol In the context of this invention, alkoxylated di- or triaryl phenol dispersants are surfactant are not included as ingredients.

The most preferred structure is as follows: Surfactants Laundry composition, anionic charged surfactants (a mixture thereof) Suitable anionic detergent compounds that can be used are generally from about 8 to about 22 organic sulphates and sulfonates with alkyl radicals containing carbon atoms in water are soluble alkali metal salts; The term alkyl refers to the alkyl part of higher alkyl radicals. It is used inclusively.

Examples of suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially high Cg produced, for example, from tallow or coconut oil to Those obtained by sulphation of crude alcohols, sodium and potassium alkyl C9 to Czo benzene sulfonates, especially sodium linear secondary alkyl Cio to C15 benzene sulfonates and sodium alkyl glyceryl ether sulphates, especially from tallow or higher alcohols derived from coconut oil and synthetic alcohols derived from petroleum are ethers.

The anionic surfactant preferably consists of linear alkyl benzene sulfonate; from alkyl sulfates; alkyl ether sulphates; from soaps; alkyl (preferably methyl) ester sulfonates and their is selected from the mixtures.

The most preferred anionic surfactants are linear alkyl benzene sulfonate, alkyl sulfates, alkyl ether sulfates and mixtures thereof. Preferably alkyl ether sulfate is a C1-C14 n-alkyl ether sulfate having an average of 1 to 3 E0 (ethoxylate) units.

Sodium lauryl ether sulfate is particularly preferred (SLES). Preferably, linear alkyl benzene The sulfonate is a sodium C11 to C15 alkyl benzene sulfonate. Preferably alkyl sulphates, linear or branched sodium C C to C C alkyl sulfates, Sodium dodecyl sulfate (SDS, primary also known as alkyl sulfate) is particularly preferred. The level of anionic surfactant in the laundry composition is preferably 5 to 5% by weight. 50 negatively charged surfactant, negatively charged surfactant level, preferably 6 to 30% by weight, more preferably 8 to 20% by weight.

Preferably, two or more anionic surfactants are present; These are preferably linear It is alkyl ether sulfate with alkyl benzene sulfonate.

Nonionic surfactant may be present in the surfactant mixture.

Suitable nonionic detergent compounds that can be used are, in particular, an aliphatic hydrophobic compounds having a group and a reactive hydrogen atom, such as aliphatic alcohols, acids or reaction of amides, especially ethylene oxide alone or in combination with propylene oxide covers its products. Preferred nonionic detergent compounds are aliphatic C8 to C18 primary or are the condensation products of secondary, linear or branched alcohols with ethylene oxide.

Preferably, alkyl ethoxylated nonionic surfactant, averaging 7EO to 9EO It is a Cg to Cig primary alcohol with an ethoxylation unit.

Deterian Strength Enhancing Substances or Complexing Substances Detergent power improving substances, l) calcium sequestrant substances, 2) precipitating substances, 3) calcium ion exchange agents and 4) mixtures thereof.

Examples of calcium sequestrant detergent strength improvers such as sodium tripolyphosphate organic sequestrants such as alkali metal polyphosphates and ethylene diamine tetra-acetic acid Examples of precipitating detergent strength improvers are sodium orthophosphate and sodium Contains carbonate.

Examples of calcium ion exchange detergent strength improvers are found in various types of water contains insoluble crystalline or amorphous aluminosilicates; of these, zeolites, such as zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite The zeolite P type described in EP-A-0.3 84,070 are the best known examples.

Composition: 0-65% by weight detergent strength improver or complexing agent, e.g. ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or other detergent strength specified below May also contain enhancing substances. Many detergent strength improvers contain metal ions. Due to their complexing ability, they are also bleach stabilizers.

Zeolite and baking soda (including bicarbonate and sesquicarbonate) are the preferred ingredients for powder detergents. They are substances that improve detergent power.

The composition contains a crystalline aluminosilicate, preferably a alkali metal aluminosilicate, more preferably a sodium aluminosilicate may contain. This substance is typically present at less than 15% by weight.

Aluminosilicates are substances with the following general formula: where M is a monovalent cation, preferably sodium. These substances contain some bound water They contain calcium ions and must have a calcium ion exchange capacity of at least 50 mg CaO/g. is necessary. Preferred sodium aluminosilicates are 1.5-3.5 SIO 2 in the above formula Contains unit. As widely explained in the literature, sodium silicate and sodium They can be easily prepared by the reaction between aluminate. surfactants ratio to aluminosilicate (where present), preferably greater than 5:2, more preferred It is greater than 3:1.

As an alternative or in addition to aluminosilicate detergent strength improvers, phosphate Detergent power improving substances can be used. The term "phosphate" in this field includes diphosphate, triphosphate and phosphonate species. Other forms of detergency improver, soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) Preferably, the laundry detergent formulation will be a phosphate-free laundry detergent formulation. formulation, meaning it contains less than 1% phosphate by weight. Preferably, powder laundry detergent The formulations are created with baking soda.

Fluorescent Substance The composition preferably contains a fluorescent agent (optical brightening agent). Fluorescent substances, It is well known and many such fluorescent substances can be purchased commercially. Usually this Fluorescent substances are supplied in the form of their alkali metal salts, e.g. sodium salts and is used. The total amount of fluorescent substance or substances used in the composition, usually 0.005 to 2 wt%, more preferably 0.01 to 2 wt% is 0.1. Preferred classes of fluorescence producing compounds are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene disulfonic acid compounds, e.g. Tinopal DMS pure Xtra and Blankophor (Trademark) HRH and Pyrazoline compounds e.g. Blankophor SN. Preferred fluorescence producing materials are sodium 2 (4-syl1-3-sulfophenyl)- 2H-naphthol[1,2-d]triazole, disodium 4,4'-bis{[(4-ani1in0-6-(N methyl-N-2 hydroxyethyl)amino morpholino-1,3,5-triazine-2-11)]amino} stilbene-2-2' disulfonate and disodium 4,4'-bis(2- sulfostyryl)biphenyl.

It is preferred that a fluorescence producing substance be present in the aqueous solution used in the method.

When a fluorescence producing substance is present in the aqueous solution used in the method, 0.0001 g/1 to 0.1 g/l, preferably 0.001 to 0.02 g/l.

Perfume Preferably the composition includes a perfume. Perfume, preferably 0.001 to 3% by weight, most preferred In its form, it is between 0.1 and 1% by weight. Many suitable examples of perfumes, CTFA (Cosmetics, Make-up Materials and Perfume Association), 1992, International Buyers Guide, In the publication of CFTA Publications and OPD, 1993, Chemicals Buyers Directory 80th Annual Printed by Schnell Publishing Co. It is given in the publication.

It is common for many perfume ingredients to be present in a formulation. This In the compositions of the invention, four or more, preferably five or more, more preferably six or more or even seven or more different perfumes It is designed that the component will be present.

In perfume mixtures, preferably 15 to 25% by weight are immediately detectable scents.

Immediately detectable scents, Poucher (Journal of the Society of Cosmetic Chemists 6(2):80 [1955]). Preferred immediately detectable odors, citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3- selected from hexanol.

Perfume and immediately detectable odor are used to indicate the whiteness benefit of the invention. can be used. The laundry composition contains a peroxygen bleaching agent, such as sodium percarbonate, It is preferred that it does not contain sodium perborate and peracid.

polymers The composition may contain one or more additional polymers. Examples are carboxymethylcellulose, poly(ethylene glycol), poly(vinyl alcohol), polycarboxylates, e.g. polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.

Polymers present to prevent dye precipitation, such as poly(vinylpyrrolidone), poly(vinylpyridine-N-oxide) and poly(vinylimidazole) are preferably absent from the formulation.

Additional Enzymes When applying the method of the invention, one or more components of the invention are used in a laundry composition. It is preferred that additional enzyme be present.

Preferably, the level of each enzyme in the laundry composition of the invention is from 0.0001 to 0.0001% by weight. It is 0.1% protein by weight.

The additional enzyme is preferably selected from amylases, lipases and cellulases. Anything present in the composition an enzyme, conventional stabilizing agents such as propylene glycol or glycerol a polyol, a sugar or sugar alcohol, lactic acid, boric acid or a boric acid derivative, for example, an aromatic borate ester or a phenyl boronic acid such as 4-formylphenyl boronic acid can be formulated as explained in documents no.

Toning Dyes Tinting dyes are preferably present in the formulation at a level of 0.002 to 0.2% by weight.

Dyes, Color Chemistry Synthesis, Properties and Applications of Organic Dyes and Pigments, (H Zollinger, Wiley VCH, Zurich, 2003) and Industrial Dyes Chemistry, Properties Applications. (K Hunger (ed), Wiley-VCH Weinheim 2003) It is explained in the document. Tinting dyes for use in laundry detergents, preferably in the visible light range In its form, it has a damping coefficient greater than 10000 L mol`l cm`1. Dyes, blue or purple in color.

Preferred tinting dye chromophores are azo, azine, anthraquinone and triphenylmethane.

Azo, anthraquinone, phthalocyanine and triphenylmethane dyes preferentially carry a net anionic charge or unloaded. Azine dyes preferably carry a net anionic or cationic charge.

Blue or purple tinting dyes, washing or rinsing phase of the washing process It precipitates on the fabric and provides a visible color tone to the fabric. In this context, paint is a In its shape, it gives a blue or purple color with a shade angle of 250 to 280. The white used in this test The fabric is a bleached, non-mercerized woven cotton sheet fabric.

Discussed in documentation WO2013/.

Mono-azo dyes preferably contain a heterocyclic ring and are most preferably thiophene dyes. Mono-azo dyes are preferably alkoxylated and preferably at pH=7. is uncharged or anionically charged. Alkoxylinis thiophene dyes, Preferred examples are shown below: HscrgýN N N/_/ 0 ”30 \\ i, \_ Bis-azo dyes are preferably sulfonated bis-azo dyes. Sulfonates bi-azo Preferred examples of compounds are direct violet 7, direct violet 9, direct violet 11, direct violet 66, direct purple 99 and their alkoxylated versions. Alkoxylated bis-azo An example of an alkoxylated bis-azo dye is as follows: 1' I "J 5 Azine dye, preferably from sulfonated phenazine dyes and cationic phenazine dyes acid blue is 59 and the phenazine dye is selected from: X3 is selected from: -H; -F; -CH3; -C2H5; -OCH3 and -OCgHsg X4 is selected from: -H; -CH3; -C2H5; -OCH3 and -OC2H5; YZ is selected from: -OH; -OCHgCHgOH; -CH(OH)CH2OH; -OC(O)CH3 and Available in . Preferred levels depending on the structure of the toning dye available; These levels depend on the grade of the toning dye and the specific levels within any particular grade. depends on the effect depends on the effect. The toning dye, as mentioned above, is a blue or It is a purple toning dye.

A mixture of tinting dyes can be used.

The toning dye is most preferably a covalent coating of an alkoxylated polyethylene. It is a reactive blue anthraquinone dye. Alkoxylation, preferably ethoxylation and propoxylation, most preferably propoxylation. polyethylene 80 to 95 mol% of N-H groups in the imine are formed into iso-propyl alcohol via propoxylation It is replaced by groups. Preferably before reaction with dye and propoxylation polyethylene imine has a molecular weight of 600 to 1800.

A preferred reagent covalently bonded to a propoxylated polyethylene imine An example structure of anthraquinone is as follows: Preferred reactive anthraquinone dyes are: Reactive blue 1; Reactive blue 2; Reagent blue 4; Reactive blue 5; Reactive blue 6; Reactive blue 12; Reactive blue 16; reactive blue 19; blue 263 and Reactive blue 172.

Paints are classified according to the Color Scale (Dye and Color Manufacturers Association / American (Association of Textile Chemists and Color Manufacturers).

experiments An aqueous liquid laundry detergent is prepared according to the following formulation: Component % by Weight Component % by Weight Mono propylene glycol 2 triethylamine 1.5 C12-C15 alcohol ethoxylate 2.1 containing 7 moles of ethylene oxide Linear alkyl benzene sulfonate 8.4 Sodium laureth ether sulfate containing 3 moles of ethylene oxide 10.5 Citric acid 0.5 perfume 0.3 Sodium Hydroxide up to pH = 8.4 water balance The formulation includes eight 5x5 cm EMPA 117 stain monitors (on polycotton blood/milk/ink stain) to wash in a tergotometer set at 200 rpm used. The formulation is dissolved in 800 m1 of water of 26° French hardness at 35°C. A 20-minute wash was performed with 2.3 g/L. into the washing liquid, oily dirt (6.7 g) An SBL2004 dirt band (product from Warwick Equest) has been added to simulate it.

After the washing was completed, the cotton monitors were washed once with 400 ml of clean water, extracted, dried and the color measured in a reflectometer and CIE L*a*b* values It is expressed as .

Equivalent formulations, 8.7% by weight, with different levels of ethoxylation (16 and 54EO) an alkoxylated tri aryl phenol having: polyethylene glycol mono0(2,4,6-tris(1-phenylethyl)phenyl) ether It was used with the addition of

Experiments were carried out by adding a subtilisin serine protease (EC) to the wash liquid (Alcalase® by Novozymes). no. 232-752-2) was repeated with and without the addition. Enzyme, formulation 0.0043% by weight was added to provide pure active protein. 95% confidence limits are derived from the standard deviation of the measurements of 8 monitors. has been calculated.

without protease with protease Addition of protease and alkoxylated phenol to the formulation results in higher L* As can be seen from the values, it increased the stain removal. Best stain removal, protease and It has been observed with the combination of alkoxylated aryl-phenol.

Claims (1)

CLAIMS A laundry detergent composition comprising: (i) 5 to 50% by weight of a surfactant other than an alkoxylated di- or triaryl phenol dispersing agent selected from anionic and nonionic surfactants; wherein the nonionic surfactant to anionic surfactant weight ratio is 0 to 0.3 (ii) 0.5 to 20 wt% of an alkoxylated di- or triaryl phenol dispersant; wherein the alkoxylated di or triphenol dispersant has the following structure: where R1 is styryl groups, X is ethoxy groups, n is 6 to 70, T is H, and (iii) 0.0005 to 0.2 wt% of a protease enzyme. A laundry detergent composition according to claim 1, wherein the anionic surfactant is selected from linear alkyl benzene sulfonates, alkyl sulfates, alkyl ether sulfates, and mixtures thereof, and the nonionic surfactant is selected from alkyl ethers containing 7 to 9 ethoxy groups. A laundry detergent composition according to claim 1 or Z, wherein the protease is a serine protease. A laundry detergent composition according to claim 3, wherein the protease is a subtilase type serine protease. A laundry detergent composition according to claim 3 or 4, wherein the protease is by weight A laundry detergent composition according to any preceding claim, wherein the composition is an aqueous liquid laundry detergent. A laundry detergent composition according to any preceding claim, wherein anionic and nonionic surfactants are present in the range of 8 to 20% by weight. A laundry detergent composition according to any preceding claim, wherein the nonionic surfactant/anionic surfactant is present by weight The ratio is 0.05 to 0.12. A laundry detergent composition according to any preceding claim, wherein the alkoxylated di or triaryl phenol dispersing agent is present in the range of 1.5 to 10% by weight. A domestic method for treating a fabric, the method comprising the steps of (i) treating a fabric with 1 g/L of an aqueous solution of the laundry detergent composition as defined in any one of the preceding claims, and (ii) treating said aqueous laundry detergent solution with the fabric. Allowing to remain in contact for 10 minutes to 2 days, then rinsing and drying the fabric.