JPH11512768A - Stable aqueous laundry detergent composition with improved suspendability - Google Patents

Abstract

  (57) [Summary] Disclosed are heavy duty liquid detergent compositions containing an anionic surfactant component and a quaternary ammonium surfactant. The anionic surfactant component comprises about 5% to 40%, by weight of the composition, of an alkyl sulfate or alkyl polyethoxylate sulfate. The composition is structured, provides excellent cleaning of soil, excellent softening and can suspend particles up to about 200 μm for at least about 1 month.

Description

DETAILED DESCRIPTION OF THE INVENTION              Stable aqueous laundry detergent composition with improved suspendability                                 Technical field   The present invention uses specific ratios to provide exceptional cleaning and softening benefits. Aqueous heavy-duty, containing a high percentage of anionic and cationic surfactants Cutie liquid laundry detergent composition. Further, the detergent composition of the present invention has a structured It is structured and has strong suspendability. The anionic surfactant component is Consists of lusulfate and alkyl ethoxylated sulfate.                                 Background art   Laundry detergent composition having good cleaning properties and capable of suspending particles Numerous attempts have been made in the past to prescribe. However, like this Liquid detergent composition has high viscosity at the pouring shear rate, insufficient to suspend the particles Formulate numerous issues, including performance, storage instability, and undesirable appearance Is presented to the person.   Attempts to formulate liquid laundry detergent compositions capable of suspending solids have been Use of clays or polymers that have acted to prepare shear-lean compositions in the past Have been included. These compositions can suspend particles, but often Have been found to have poor physical product properties, including phase separation. Furthermore, the prescription The traders have been limited to a small selection of suitable detergent components at relatively low concentrations.   Water containing certain anionic and quaternary ammonium surfactants Heavy duty liquid detergent composition has excellent cleaning performance, Provide benefits and attractive product properties, i.e., are structured, phase stable and Rheology that allows particles to be suspended while being easy to pour from product containers It has now been found to have.   Without being limited by theory, these novel compositions may have Has an internal structure containing liquid crystal surfactant particles, also known as lamellar droplets It is thought that. These particles must be dispersed in the aqueous phase and suspend the solids. Can be. Lamella droplets are described, for example, in H. et al. A. Barness's "detergent", K.K. Walta "Rheometry: Industrial Application", J. Willy End Sands, Red Chiworth, 1980. Such surfactants in detergent compositions The presence of droplets or particles is determined by optical devices or by transmission electron microscopy, scanning It may be measured by an electron microscope such as an electron microscope.   Therefore, it is an object of the present invention to provide excellent cleaning and softening benefits and Structured aqueous heavy duty liquid laundry detergent compositions that provide desirable rheology To provide things.   Cationic surfactants, including quaternary ammonium surfactants, are The benefits of static control on fabrics [eg, Wixon's rice issued April 20, 1976 No. 3,951,879 and Ina issued May 25, 1976 U.S. Pat. No. 3,959,157 to Morato, both of which are incorporated herein by reference. Reference), and the benefits of fabric softening [eg, September 21, 1971 U.S. Pat. No. 3,607,763, issued to Salmen et al., Feb. 2, 1972 U.S. Pat. No. 3,644,203 issued to Lamberti et al. U.S. Pat. No. 3,537,993 issued to Coward et al. On Nov. 3, 1970 ( All of which are incorporated herein by reference)), or sanitary benefits [ See, for example, U.S. Pat. No. 2,742,434 to Cup, issued Apr. 17, 1956. Specification, Cantor et al., U.S. Patent No. 3,539, issued November 10, 1970. No. 520, and Lanz U.S. Pat. No. 3,9, issued Jun. 22, 1976. No. 65,026 (all of which are incorporated herein by reference)] It has long been known as a useful additive in laundry detergent compositions for the purpose of providing                                Disclosure of the invention   The present invention relates to the composition by weight   (A) by weight of the composition         (I) from about 5% to about 40% of an alkyl sulfate or alkylpolyether; Toxylate sulfate (the alkyl group has about 10 to about 22 carbon atoms and Polyethoxylate chains from 0 to about 15, preferably from 0 to about 5, more preferably Contains 0 to about 4 ethylene oxide moieties), and         (Ii) about 5% or less fatty acids About 10% to about 40% of an anionic surfactant component comprising:   (B) Formula [Wherein, R₁And R_TwoIs individually C₁~ C_FourAlkyl, C₁~ C_FourHydroxyalkyl , Benzyl, and-(C_TwoH_FourO)_xH (where x has a value of about 2 to about 5) X is an anion, and (1) R_ThreeAnd R_FourIs C₆~ C₁₄Alkyl or (2) R_ThreeIs C₆~ C₁₈Alkyl, R_FourIs C₁~ C_Ten Alkyl, C₁~ C_TenHydroxyalkyl, benzyl, and-(C_TwoH_FourO)_xH (Wherein, x has a value of 2 to 5). About 1% to about 10% of a quaternary ammonium surfactant having   (C) about 10% by weight or less of a solvent or hydrotrope;   (D) suitable electrolytes or their acid equivalents from 0% to about 10% Wherein the weight ratio of anionic surfactant to quaternary ammonium surfactant is about 1.5: 1 to about 5: 1 and wherein the anionic surfactant and the quaternary Structured heavy duty, wherein the monium surfactant forms liquid crystal particles Tea liquid laundry detergent compositions.   The composition has a shear rate of 20 s^-1About 100 cp to about 4,000 cp, good Preferably from about 100 cp to about 2,000 cp, more preferably from about 200 cp to about 1 cp. 2,000 cp and is stable on storage.   All percentages and percentages herein are by weight and quoted unless otherwise indicated. Are incorporated herein by reference.                      BEST MODE FOR CARRYING OUT THE INVENTION   According to the present invention, stable aqueous heavy-duty liquid detergent compositions are astonishingly In particular, specific anionic surfactants and quaternary ammonium surfactants are described below. It is now found that they are prepared when combined in the relative proportions specified.   The composition is structured and has a specific rheology. The rheology is Expression                           η = η₀+ K^(n-1) Where η is the viscosity of the liquid at a given shear rate, η₀Is the viscosity at infinite shear rate Is the shear rate, γ is the shear rate, n is the shear rate index, and K is the consistency. -) Can be modeled by The term "structured" as used herein refers to the liquid crystal surface active Agent particles and infinite shear viscosity (η₀) Value 0 to about 3,000 cp (centipoise), A shear index (n) value of about 0.6 or less, a consistency value K of about 1,000 or more, and 20^-1(Η) about 10,000 cp or less, preferably about 5,000 A heavy duty liquid composition having a cp or less is meant. Under low stress level The "zero shear" viscosity is greater than about 100,000 cp and the "zero shear" Speed 0.001s^-1Means: Obtained by plotting the viscosity response The yield value of the composition obtained is greater than 0.2 Pa. These rheological parameters Is a commercial rheometer such as the Carrimed CSL100 model Can be measured.   The structured composition of the present invention can be in a solid, liquid or liquid crystalline phase The particles can be suspended. “Suspension” refers to the settling of particles up to about 200 μm. Or the ability to avoid physical separation for at least about 30 days.   Relationship of zero-shear viscosity to suspensionThe ability of the detergent composition to suspend insoluble particles is Depends on the zero shear viscosity of the composition. This relationship is modeled by Stokes law Be transformed into                   ν = 2 (d_s-d_fl) Gr^Two/ 9 · η (Ν is the sedimentation velocity of the insoluble matter, d_sIs the density of the insoluble matter to be suspended, d_flIs The density of the fluid in which the insolubles are suspended, g is the gravity, r is the radius of the insolubles, , Η is the viscosity)   According to Stokes' law, the settling velocity of a particle is inversely proportional to its viscosity, The higher the, the more stable the suspension will be. Thus, a high "zero shear" viscosity Preferred, ie, for the present invention, a zero shear viscosity of about 100,000 cp or more, More preferably about 500,000 cp or more, more preferably about 1,000,000 cp The above is desirable.   The rheology and suspending capacity of these compositions is typically from about 0.1 to about 10 μm. Size liquid crystal surfactant particles (technically also as liposomes or vesicles) (Known) resulting from the formation of a space-filling network in certain compositions of the invention. Conceivable. Further, the rheological properties of the present compositions are partially due to sodium sulfate and It is attributed to the presence of certain amounts of certain electrolytes, including citrate. Without being limited by theory, the presence of the electrolyte depends on the liquid crystal surfactant particles. It is thought to act to control the magnitude of. Therefore, the structure of the present composition The chemical nature is influenced by the choice of surfactant and by the amount of electrolyte present. In a preferred embodiment of the present invention, the composition comprises a suitable electrolyte or an acid equivalent thereof. 0% to about 10%, more preferably about 2% to about 6%, and even more preferably about 3% to about 5%. %. Sodium citrate is highly preferred for use here. It is a new electrolyte.   The composition comprises no more than about 10% by weight of solvent and hydrotrope, preferably about 7%. % Or less, more preferably about 5% or less by weight. Limited by theory Although not critical, the presence of the solvent and hydrotrope is not It may affect sex. Solvent and / or hydro trolley Compositions containing about 10% or more lose the ability to remain in a single "phase", i.e., The composition will separate into two or more layers. "Solvent" means an alkyl monoalcohol , Di- and tri-alcohols, ethylene glycol, propylene glycol , Propanediol, ethanediol, glycerin, etc., commonly used in the detergent industry Means the solvent being used. "Hydrotrope" means soluble in other surfactants Hydrogen commonly used in the detergent industry, including short-chain surfactants that help Means trope. Another example of a hydrotrope is cumene sulfonate , Xylenesulfonate or toluenesulfonate, urea, C₈The following short chains Alkyl carboxylate, and C₈The following short-chain alkyl sulfates and Ethoxylated sulfate.   The heavy-duty liquid laundry detergent composition of the present invention comprises an anion as an essential component. Contains a surfactant component and a quaternary surfactant.   Anionic surfactant componentThe detergent composition of the present invention comprises from about 10 to about 4 parts of the detergent composition; 0%, preferably about 15 to about 25% by weight of an anionic synthetic surfactant component. No. The anionic surfactant component comprises an alkyl sulfate and / or an alkyl Other non-soap anionic surfactants containing rupolyethoxylate sulfate Alternatively, they may contain a mixture thereof. The anionic surfactant component is about fatty acids It should not contain more than 5%, preferably less than about 1%, and more preferably Not included in quality.   Generally, anionic surfactants useful herein are commercially available from August 25, 1981 U.S. Pat. No. 4,285,841 to Rat et al. And Dec. 30, 1975 U.S. Pat. No. 3,919,678 issued to Laurin et al. Which are incorporated by reference).   Useful anionic surfactants include those having about 10 to about 20 carbon atoms in the molecular structure. Organic sulfuric acid catalysts containing alkyl groups and sulfonate or sulfate groups Water-soluble salts of the reaction products, especially alkali metal salts, ammonium salts and alkylols Ammonium salts (eg, monoethanol ammonium salt or triethanol Ammonium salts) (the term "alkyl" refers to an alkyl group of an aryl group). Included). Examples of this class of synthetic surfactants are alkyl sulfates. Especially those produced by reducing the glycerides of tallow or coconut oil Which higher alcohol (C₈~ C₁₈Obtained by sulphating carbon atoms) Things.   Other anionic surfactants of the present invention comprise from about 1 to about 4 units of ethylene per molecule. Alkyl containing oxide and having about 8 to about 12 carbon atoms in the alkyl group Lephenol is a water-soluble salt of ethylene oxide ether sulfuric acid.   Other anionic surfactants useful herein include about 6 to 20 in the fatty acid group. Α-sulfo having carbon atoms and having about 1 to 10 carbon atoms in the ester group Water-soluble salts of esters of hydrogenated fatty acids having about 2 to 9 carbon atoms in the acyl group and 2-acyloxy alka having about 9 to about 23 carbon atoms in the alkane moiety Water-soluble salts of 1-sulfonic acid, olefins having about 12 to 24 carbon atoms A water-soluble salt of sulfonic acid, and having about 1-3 carbon atoms in the alkyl group, and Β-alkyloxyalkanes having about 8 to 20 carbon atoms in the alkane moiety Sulfonates.   Particularly preferred anionic surfactants here are of the formula                     RO (C_TwoH_FourO)_xSO_Three ^-M⁺ Wherein R is a saturated or unsaturated alkyl chain having about 10 to about 22 carbon atoms, and M is Cations that make the compound water soluble, especially alkali metals, ammonium or substituted An ammonium cation, where x averages about 1 to about 15) Is an alkyl polyethoxylate sulfate.   Preferred alkyl sulfate surfactants are non-ethoxylated C₁₂~_FifteenFirst class And secondary alkyl sulfates. Under cold water washing conditions, ie, about 65 ° F (1 8.3 ° C.) and below, such ethoxylated alkyl sulfates and non-ethoxylated Preferably there is a mixture with the alkyl sulfate.   The anionic surfactant component of the present composition comprises from about 5% to about 40% by weight of the detergent composition, preferably Preferably about 7 to about 36% by weight, most preferably about 10 to about 25% by weight of the above. From alkyl sulfate or alkyl polyethoxylate sulfate Become.   Further, the anionic surfactant component of the present invention must contain no more than about 5% of fatty acids. No. Most preferably, the detergent compositions of the present invention do not contain fatty acids. this These include saturated and / or unsaturated materials obtained from natural sources or produced synthetically. Japanese fatty acids. Examples of fatty acids are capric acid, lauric acid, myris Includes formic acid, palmitic acid, stearic acid, arachiic acid and behenic acid . Other fatty acids include palmitoleic acid, oleic acid, linoleic acid, linolenic Acids and ricinoleic acid.Quaternary ammonium surfactant   Also, the present composition has the formula [Wherein, R₁And R_TwoIs individually C₁~ C_FourAlkyl, C₁~ C_FourHydroxyalkyl , Benzyl, and-(C_TwoH_FourO)_xH (where x has a value of about 2 to about 5) X is an anion, and (1) R_ThreeAnd R_FourIs C₆~ C₁₄Alkyl or (2) R_ThreeIs C₆~ C₁₈Alkyl, R_FourIs C₁~ C_Ten Alkyl, C₁~ C_TenHydroxyalkyl, benzyl, and-(C_TwoH_FourO)_xH (Wherein, x has a value of 2 to 5). About 1 to about 10% by weight of a quaternary ammonium surfactant, preferably about 2 to about 7 times %, More preferably from about 3 to about 5% by weight.   Preferred quaternary ammonium surfactants are chloride, bromide, and methyl sulfate. Acid salt. Examples of preferred mono long chain alkyl quaternary ammonium surfactants include R₁, R_TwoAnd R_FourAre each methyl, and R_ThreeIs C₈~ C₁₆What is alkyl, Or R_ThreeIs C_{8 ~ 18}Alkyl, R₁, R_TwoAnd R_FourIs methyl and hydro It is selected from a xyalkyl moiety. Lauryl trimethyl ammonium chloride Chloride, myristyltrimethylammonium chloride, palmityltrimethyla Ammonium chloride, coconut trimethyl ammonium chloride, coconut Methyl ammonium methyl sulfate, coconut dimethyl monohydroxyethyl Luammonium chloride, coconut dimethyl monohydroxyethyl ammonium Methyl sulfate, stearyl dimethyl monohydroxyethyl ammonium Num chloride, stearyl dimethyl monohydroxyethyl ammonium methyl Sulfate, di-C₁₂~ C₁₄Alkyldimethylammonium chloride, and Mixtures thereof are particularly preferred. ADOG commercially available from Witco EN) 412^TM, Lauryltrimethylammonium chloride are also preferred. Lauri Rutrimethylammonium chloride and myristyltrimethylammonium chloride Lolide is more highly preferred.   The present invention provides a weight ratio of anionic surfactant component to quaternary ammonium surfactant. From about 1.5: 1 to about 5: 1, preferably from about 1.5: 1 to about 4.5: 1, Preferably from about 2: 1 to about 4: 1, more preferably from about 2: 1 to about 3.5: 1. Consists of a detergent composition.Optional ingredients   The compositions of the present invention preferably further comprise about 1 ethoxylated nonionic surfactant. 0% by weight, preferably 0 to about 5% by weight, more preferably 0 to about 3% by weight it can. These materials are disclosed in U.S. Pat. No. 4,285,841 (hereby incorporated by reference). The formula R (OC_TwoH_Four)_nOH (wherein R is an aliphatic hydrocarbon group having about 8 to about 15 carbon atoms) And alkylalkyl groups having from about 8 to about 12 carbon atoms Ethoxylated alcohols selected from the group consisting of and the average value of n is from about 5 to about 15) And ethoxylated alkylphenols are preferred. These surfactants are U.S. Pat. No. 4,284,532 to Lakehim et al. Issued Aug. 18, 1981. It is fully described in the handbook (incorporated herein by reference). In alcohol Having an average of from about 10 to about 15 carbon atoms and from about 6 to about Ethoxylated alcohols having an average degree of ethoxylation of 12 moles of ethylene oxide Is particularly preferred.   The composition preferably comprises about 30 layers of non-cytolated non-fatty acid detersive builder material. %, More preferably from about 1 to about 20% by weight, most preferably from about 1 to about 10 weight percent. %. All types of detergency builders known in the art are used in this composition Although the type and amount of the builder can be such that the final composition is about 10 wt. % At an initial pH of about 6.0 to about 11.0, preferably about 7.0 to about 9.0. You should choose to.   Detergency builders are disclosed in U.S. Pat. No. 4,3,311 issued to Smith et al. 21,165, incorporated herein by reference. The present invention A preferred builder for use in liquid detergents of the type described in August 18, 1981 U.S. Pat. No. 4,284,532 to Ikuhim et al., Which is hereby incorporated by reference. On).   enzyme  Enzymes are, for example, protein-based stains, carbohydrate-based Removal of stains or stains based on triglycerides and fabrics (fabrics ) It can be incorporated into this formulation for the purpose of washing various fabrics, including reconstitution. Yeast to be blended The components include protease, amylase, lipase, and cellulase, and And mixtures thereof. Other types of enzymes may also be included. They are, Having any suitable origin, for example, plant, animal, bacterial, fungal and yeast origin May be. However, their choice depends on several factors, such as pH activity and And / or stability optimum, thermal stability, stability to active detergents, builders, etc. Governed by sex. In this regard, bacterial or fungal enzymes, such as bacterial amirrors Zetas and proteases, and fungal cellulases are preferred.   Enzymes are usually present in up to about 5 mg (by weight) of active enzyme per gram of composition, more typically Is incorporated in an amount sufficient to provide from about 0.01 mg to about 3 mg. In other words, the composition The product is typically from about 0.001 to about 5% by weight of a commercially available enzyme preparation, preferably 0.1% by weight. It will contain from 01 to 1% by weight. Protease enzymes are usually 0.005 to 0.1 Anson units (AU) per gram of composition in the formulation Present in an amount sufficient to provide the activity of   Suitable examples of proteases are Bacillus subtilis and B. from certain strains of licheniforms The resulting subtilisin. Another suitable protease is Novo Industry Developed by A / S and marketed under the registered trademark ESPERASE From the Bacillus strain having the greatest activity over the entire pH range of 8-12 can get. The preparation of this and similar enzymes is described in Novo UK Patent 1,243, No. 784. To remove protein-based stains Commercially available proteolytic enzymes that are suitable for Novo Industries A / S (De (ALCALASE) and SAVINA (SAVINA) SE) and International Bio-Synthetic MAXATASE (trade name) by S. Incorporated (Netherlands) ). Other proteases include protein ZeA (see European Patent Application No. 130,756 published January 9, 1985) And Protease B (European Patent Application 87303, filed April 28, 1987) No. 761.8 and European Patent Application No. Bot et al. Published Jan. 9, 1985. 130,756).   As amylase, for example, British Patent No. 1,296,839 (Novo Α-amylase described in International Bio-Synthetics RAPIDASE from Incorporated and Novo Industries TERMAMYL.   Cellulases that can be used in the present invention include bacterial cellulases and fungal cellulases. Both. Preferably, they have a pH optimum of 5 to 9.5 Will be. Suitable cellulases are Humicola insolens and Humicola strain DS M1800 or a cellulase 212-producing fungus belonging to the genus Aeromonas Fungal cellulases and marine mollusks (Dolabella Auricula) Solander) discloses a cellulase extracted from the hepatopancreas, March 6, 1984. U.S. Pat. No. 4,435,307 issued to Barbeth Gord et al. ing. Also, suitable cellulases are described in GB 2.075.28, UK Patent No. 2.095.275 and DE-OS 2.2477.832. In the specification. Carezyme (CAREZYME) (Novo) is especially useful You.   A lipase enzyme suitable for use in detergents is disclosed in British Patent No. 1,372,034. Pseudomonas stutzeri ATCC 19.154 or other Pseudo as disclosed in the textbook These include those produced by the monas group of microorganisms. February 24, 1978 See also lipase in the published JP-A-53-20487. This lipase Obtained from Amano Pharmaceutical Co., Ltd. in Nagoya under the trade name Lipase P "Amano" (Hereinafter referred to as "Amano-P"). Other commercially available lipases include Amano -CES, Chromobacter viscosum, e.g. Chromobacter viscosum var. lipolyticum NRRLB367 Lipase from U. 3, U.S.A. S. Bio-Chemical Corporation And other Chromobacter viscos from the Dutch Company um lipase, and lipase from Pseudomonas gladioli. Humic Lipolase derived from ola lanuginosa and commercially available from Novo (LIPOLASE) Enzymes (see also EPO 341,947) are preferred for use herein. Lipase.   A wide range of enzymatic substances and means of blending into synthetic detergent compositions are No. 3,553,139 issued Jan. 5, 971. You. The enzyme is further disclosed in U.S. Pat. No. 4,1,1 issued to Place et al., Issued Jul. 18, 1978. U.S. Pat. No. 01,457 and Hughes, issued Mar. 26, 1985. No. 4,507,219. Enzymes useful in liquid detergent formulations The substance and its formulation in such formulations are described in Hora et al. U.S. Pat. No. 4,261,868. Use with detergent Enzymes can be stabilized by various techniques. Enzyme stabilization technology such as judge U.S. Pat. No. 3,600,319, issued Aug. 17, 1971, and Venice Patent Application Publication No. 0199405 published October 29, 1986. It is disclosed and exemplified in the specification, application 86200586.5. An enzyme stabilizing system is described in, for example, US Pat. No. 3,519,570. Have been.   The enzyme used here is water-soluble calcium in the finished composition that gives ions to the enzyme. May be stabilized by the presence of a magnesium ion source and / or a magnesium ion source. (Calcium ion is generally more effective than magnesium ion If only cations should be used, it is preferred here). Additional stability Can be provided by the presence of various other technically disclosed stabilizers, especially borate species. it can. See U.S. Pat. No. 4,537,706 to Severson. Typical wash Agents, especially liquid detergents, preferably from about 1 to about 30 mmol per liter of finished composition, preferably Or about 2 to about 20 mmol, more preferably about 5 to about 15 mmol, most preferably Or about 8 to about 12 mmol of calcium ions. It exists Depending on the amount of enzyme involved and the response to calcium or magnesium ions Can change. The amount of calcium or magnesium ions depends on builders, fatty acids, etc. After conjugation, there is always some minimal amount available to the enzyme in the composition. You should choose to. Any water-soluble calcium or magnesium salt, For example, without limitation, calcium chloride, calcium sulfate, calcium malate, Calcium maleate, calcium hydroxide, calcium formate, and calcium acetate And the corresponding magnesium salts may also be Can be used as an on source. A small amount of calcium ions (generally about 1 liter (0.05 to about 0.4 mmol) is often too high in enzyme slurries and formulation water. It is present in the composition due to the calcium. In solid detergent compositions, the formulation is A sufficient amount of a water-soluble calcium ion source to provide such an amount in solution. You may. Alternatively, natural water hardness may be sufficient.   The said amount of calcium and / or magnesium ions is the enzyme stability Should be understood to be sufficient. More calcium ions And / or magnesium ions to provide additional means of degreasing performance Can be added to the composition. Thus, as a general proposition, the composition is typically Is a water-soluble calcium ion source or magnesium ion source, or both at about 0.1. From about 0.5 to about 2% by weight. The amount depends, of course, on the amount of enzyme used in the composition. And can vary depending on the type.   The composition may optionally (but preferably) contain various additional stabilizers, especially A borate stabilizer may also be included. Typically, such stabilizers are boric acid Or other borate compounds capable of producing boric acid in the composition (such as boric acid). About 0.25 to about 10% by weight, preferably about 0.5 to about 5% by weight, More preferably, it will be used in the composition in an amount of about 0.75 to about 4% by weight. Hou Acids are preferred [other compounds such as boron oxide, borax and other alkali gold Genus borates (eg, sodium orthoborate, sodium metaborate, pyrophos) Sodium borate, and sodium pentaborate) are also suitable]. Replacement hoe Acids (e.g., phenylboronic acid, butaneboronic acid, and p-bromophenylborate) Lonic acid) can also be used instead of boric acid.   Other ingredients that are preferred for use in the liquid detergents of the present invention are described on Aug. 25, 1981. No. 4,285,841 issued to Barratt et al. Neutralizer, buffer, phase adjuster, polyacid, foam adjuster, emulsifier, Dispersants such as toxic tetraethylenepentamine, antioxidants, bactericides, dyes Additives, antifouling polymers, fragrances, and brighteners. Neutralization preferred for use here The agent produces better cleaning performance than inorganic bases such as sodium hydroxide and potassium hydroxide. Cunning organic bases, especially triethanolamine and monoethanolamine.   The composition is suitable for suspending insoluble particles. Rice as suspension particles Alkylamine-anions as disclosed in U.S. Pat. No. 4,861,502 Surfactant ion-pair particles, builders such as zeolites, bleach particles, fragrance particles, Encapsulated detergent additives, and other known insoluble laundry additives.   The following non-limiting examples illustrate the compositions of the present invention. All% used here, Parts and ratios are by weight unless otherwise indicated.                                 Examples I-IV   A liquid detergent composition according to the following formulation was prepared.   The detergent sample is prepared by the following method.   First, an anionic surfactant paste, C_{12 ~ 15}Alkyl ethoxylate sulfur According to the formulation, alkyl ethoxylate, C_{14 ~ 15}EO₇(Exists ), Then add sodium hydroxide. Citric acid immediately after NaOH And the pH is brought to about 7.0 to 8.0 with a 10% solution. Then Lauryl Tri Add methyl ammonium chloride. Lauryl trimethyl ammonium chloride Immediately after addition of the opaque, an opaque lamellar droplet-filled suspension sample is prepared. Water and other The ingredients are added at the end to complete the formulation.   The compositions of Examples I, II and IV have a viscosity / rheology that can suspend solids. And is stable for more than 30 days.   The composition of Example III undergoes phase separation and is not commercially desirable.                                 Examples V to XI   A liquid detergent composition according to the following formulation was prepared. ★ 20s viscosity^-1Measured with   C25AE2.5 S is a C25AE having an average degree of ethoxylation of 2.5._{12 ~ 15}Alkyl ethoxy It is a sulfated silicide. C25AS is C_{12 ~ 15}It is an alkyl sulfate. C45AE2.25S is a C45 with an average degree of ethoxylation of 2.25._{14 ~ 15}Alkyl ethoxy It is a sulfated silicide. C12TMAC is C₁₂Trimethyl ammonium chloride Is. C14TMAC is C₁₄Trimethylammonium chloride. C45EO₇Is a C having an average degree of ethoxylation of about 7._{14 ~ 15}Alcohol ethoxylate It is.   The compositions of Examples V-IX and XI have a viscosity / reolo capable of suspending solids. Gee and stable for more than 30 days.   Example X having an anionic / cationic surfactant ratio of 5: 1 shows that the separated phase Form. However, the usual adjustment of the amount of electrolyte and the anionic surfactant For normal adjustment of chain length, the same anionic surfactant / cationic surfactant ratio The composition of Example XI having is structured and more phase stable.                                   Example XII   A liquid detergent composition according to the following formulation was prepared.   The composition of Example XII has an anionic surfactant / cationic field within the scope of the present invention. It has a surfactant ratio, but nonetheless is outside the scope of the present invention. The reason is, Because they are isotropic due to the presence of> 10% solvent and hydrotrope It is. The composition of Example XII has a viscosity / rheology capable of suspending solids. I do not have.

Claims (1)

[Claims]   1. By weight of the composition,   (A) by weight of the composition         (I) 5% to 40% of alkyl sulfate or alkylpolyethoxy Silate sulfate (provided that the alkyl group has 10 to 22 carbon atoms and One polyethoxylate chain contains from 0 to 15 ethylene oxide moieties), and And         (Ii) 5% or less fatty acid surfactant From 10% to 40% of an anionic surfactant component comprising:   (B) Formula [Wherein, R₁And R_TwoIs individually C₁~ C_FourAlkyl, C₁~ C_FourHydroxyalkyl , Benzyl, and-(C_TwoH_FourO)_xH (where x has a value of 2 to 5) X is an anion, and (1) R_ThreeAnd R_FourIs C₆~ C₁₄ Alkyl or (2) R_ThreeIs C₆~ C₁₈Alkyl, R_FourIs C₁~ C_TenAl Kill, C₁~ C_TenHydroxyalkyl, benzyl, and-(C_TwoH_FourO)_xH (expression Wherein x has a value of 2 to 5). 1% to 10% of a quaternary ammonium surfactant having   (C) no more than 10% by weight of solvent or hydrotrope, and   (D) 0% to 10% of a suitable electrolyte or an acid equivalent thereof And the weight ratio of anionic surfactant to quaternary ammonium surfactant is 1.5: 1 to 5: 1 and the anionic surfactant and quaternary ammonium field Structured heavy-duty liquid characterized in that the surfactant forms liquid crystal particles Body laundry detergent composition.   2. The composition has a shear rate of 20 s.^-1Viscosity at 100 cp to 4,000 cp The composition according to claim 1, having preferably from 100 cp to 2,000 cp.   3. The composition has a zero shear viscosity of greater than 500,000 cp. Item 10. The composition according to Item 1.   4. 15% to 25% of the anionic surfactant component and a solvent or The composition of claim 1, comprising less than 7% by weight idrotrope.   5. The anionic surfactant component of the anionic surfactant is alkyl ethoxy. 5. The composition according to claim 4, comprising 7% to 36%, preferably 10% to 25%, of a sulfated sulfate. Composition.   6. The quaternary ammonium surfactant may comprise 3% to 5%. Composition.   7. The quaternary ammonium fabric softener is lauryltrimethylammonium Muchloride, myristyltrimethylammonium chloride, palmityltrimethyl Luammonium chloride, coconut trimethyl ammonium chloride, coconut Trimethyl ammonium methyl sulfate, coconut dimethyl monohydroxy Ethyl ammonium chloride, coconut dimethyl monohydroxyethyl ammonium Um methyl sulfate, stearyl dimethyl monohydroxyethyl ammonium Muchloride, stearyl dimethyl monohydroxyethyl ammonium methyl sal Fate, Di-C₁₂~ C₁₄Alkyl dimethyl ammonium chloride, and it 2. The composition according to claim 1, wherein the composition is selected from the group consisting of mixtures thereof.   8. 8. The composition according to claim 7, comprising 3% to 5% of lauryltrimethylammonium chloride. A composition according to claim 1.   9. Claims: Contains 3% to 5% myristyltrimethylammonium chloride. 8. The composition according to 7.   10. Weight of the anionic surfactant component versus quaternary ammonium surfactant The composition of claim 1, wherein the ratio is from 2: 1 to 3.5: 1.   11. 2. The method of claim 1, further comprising up to 10% of an ethoxylated nonionic surfactant. Composition.   12. Further contains 1% to 20% non-citrate non-fatty acid detersive builder material The composition of claim 1.   13. Enough to give from 0.01 mg to 3 mg of active enzyme per gram of this composition High amounts of proteases, amylases, lipases, cellulases and mixtures thereof The composition of claim 1, further comprising an enzyme selected from the group consisting of:   14． The composition can suspend particles of up to about 200 μm for at least one month. The composition according to claim 1, which can be applied.