CN1062160A

CN1062160A - liquid detergent composition

Info

Publication number: CN1062160A
Application number: CN91109864.XA
Authority: CN
Inventors: J·A·戴特; P·R·弗利
Original assignee: Procter and Gamble Co
Current assignee: Procter and Gamble Co
Priority date: 1990-09-28
Filing date: 1991-09-27
Publication date: 1992-06-24
Anticipated expiration: 2006-09-27
Also published as: NO931078L; EG19516A; TW265361B; PT99087A; AU664023B2; AU8735291A; CA2092194C; HU9300888D0; MX9101373A; ATE127834T1; MA22303A1; CZ53393A3; WO1992006171A1; CA2092194A1; CO4180440A1; ES2077247T3; BR9106935A; EP0550636B1; GR3017416T3; IE913404A1

Abstract

Aqueous builder-free liquid or gel detergent compositions containing 15 to 65% by weight of a core surfactant mixture comprising 5 to 95% by weight of a water-soluble anionic sulfate or sulfonate and 5 to 95% by weight of the formula Compounds, Z is a polyhydroxy straight-chain hydrocarbon group containing at least 3 hydroxyl groups, and is obtained from glucose and a mixture of glucose and not more than 33% maltose, R is a C ₆ -C ₁₆ hydrocarbon group, R ₁ is a C ₁ -C ₄ alkane or C ₂ —C ₄ hydroxyalkyl groups, the 48°C interfacial tension of the mixed surfactant 0.12% solution of the composition is less than 0.2 Pa·cm, and the greasy dirt removal value of the polypropylene cup is a single anionic surfactant component At least 1.4 times the resulting value. Optional ingredients are amides, betaines and ethoxylated _C9 - _C11 fatty alcohol suds improvers.

Description

Liquid detergent composition

The present invention puts it briefly and relates to aqueous liquid detergent compositions, or rather, relates to be used for from hard surface, for example plate and be used for removing on other article of making food and consumption the liquid detergent composition of a large amount of unctuousness dirts.

Liquid detergent composition as the dishwashing detergent product exists with aqueous solution form routinely, and this aqueous solution contains one or more as the vitriol of " core " surfactant materials and mixture and a kind of profoamer or the suds-stabilizing agent of sulfonate anionic washing composition.Suds-stabilizing agent can have various ways, but it is generally amide derivatives, amine oxide, ethoxylized fatty alcohol, zwitterionics, as trimethyl-glycine, or the mixture of these materials.The consumption of this class material is usually at the 2-8% of composition weight, in the common 3-5% scope.

Advised that the amide derivate as profoamer and suds-stabilizing agent is a N-alkanoyl N-alkylated glucamine.These materials are obtained by glucose, also can generate glycosamine by low-grade alkylamine and glucose response, obtain N-alkanoyl-N-alkylated glucamine with the fatty acid methyl ester processing of required chain length then and make.

Such compound is for example all having introduction among US-A-2703798, WO83/04412 and the GB-A-809060.Last-mentioned patent disclosure detergent composition, this detergent composition contains the water-soluble salt of at least a organosulfur reaction product that has sulfuric acid or sulfonic acid group in its molecular structure and a kind of amide derivatives of the above-mentioned type, and the amount of amide derivatives is 5% to 60% of a water-soluble organosulfur reaction product weight.Amide derivatives is considered to provide the improvement being lower than composition whipability under 100 temperature, and particularly Latin American countries, washing is to carry out under 60 low like this temperature.Although this patent estimates that surfactant mixture can use separately, embodiment preferred and that exemplify is the partical that contains phosphate builder and sodium sulfate weighting agent.

The applicant has been found that the tensio-active agent that contains as core at present; the no auxiliary agent liquid of the mixture of some N-alkanoyl-N-alkylated glucamine and vitriol or sulfosalt surfactant or the detergent composition of gel form; with respect to known product; provide significant improvement aspect the unctuousness dirt removing, and good favourable foaming is provided from hard surface.Mileage (Suds Mileage) performance and the soft property of skin that is fit to.Be used as improving a kind of means of the whipability of adding assistant product under low wash temperature though advised the mixture with anion sulfate or sulfosalt surfactant and N-alkanoyl-N-alkylated glucamine; but; concerning this mixture, characteristic of removing the unctuousness dirt and the soft property of skin that we find now are not realized so far yet.Therefore, according to the present invention, provide a kind of with the no auxiliary agent liquid of physically stable aqueous solution form or the detergent composition of gel formation, said composition contains 15% to 65% the core surfaces active agent intermixture that accounts for composition weight, and this core surfaces active agent intermixture contains (in mixture weight):

A) 5% to 95% at least a water soluble anion vitriol or sulfosalt surfactant salt;

B) account for 95% to 5% the following compound of one or more general formulas of mixture weight:

Wherein Z is the poly-hydroxy-oxyl part that has linear hydrocarbyl chain, this linearity alkyl chain belt has at least 3 hydroxyls that are directly connected on this chain, above-mentioned part is that the mixture by glucose and glucose and maltose obtains, 33% of no more than this mixture weight of amount of maltose, R contains the saturated or unsaturated aliphatic base of 8 to 16 carbon atoms or the mixture of this class group, R ₁Be C ₁-C ₄Alkyl or C ₂-C ₄Hydroxyalkyl; Therefore, the 0.12%(weight of the surfactant mixture of described composition) aqueous solution has under 48 ℃ of temperature in the water of 2 ° of Clark hardness of minerals (Ca: mg is 3: 1):

ⅰ) utilize the triolein dirt of 99.7% purity, rotary drop interfacial tension (IFT) is less than 0.2 handkerchief centimetre;

ⅱ) at least 1.4 times unctuousness soil release value in polypropylene cup (PPC) test, above-mentioned value is by using 0.12% solution of anion surfactant component to obtain in same test under same condition individually.

For purposes of the invention, " physically stable " be meant after placing 3 months under 21 ℃ of temperature, still keeps single phase state and precipitation not.When product contains opalizer, should not have or seldom measure opalizer to precipitate.

In addition, for IFT ﹠amp of the present invention; PPC test result, the positively charged ion of water soluble anion vitriol or sulfosalt surfactant should be corresponding to the positively charged ions of detergent composition, and, when having cation mixt, in mixture, there is each positively charged ion with certain weight ratio.

Preferred composition of the present invention uses components b) compound, wherein the polyhydroxy alkyl part is obtained by the mixture of glucose or glucose and maltose, in the mixture amount of maltose be mixture weight＜25%.Commercially available industrial glucose contains the weight up to 5%() as the maltose of impurity.For purposes of the invention, the glycosamine of hereinafter speaking of is considered to comprise up to 5%(weight) material of the respective substance that obtains by maltose.

Anion sulfate that is fit to or sulfosalt surfactant comprise that every mole of alkyl ethoxy sulfate contains average C up to 6 moles of ethylene oxide ₁₀-C ₁₆Alkyl ethoxy sulfate, C ₁₀-C ₁₈Paraffin sulfonate, and N-C ₉-C ₁₇Acyl group-N-C ₁-C ₄Alkylated glucamine vitriol.

Effective composition of the present invention contains anionic surfactant system, and this system contains 9% to 18%(composition weight) every mole of C ₁₂-C ₁₄It is average 0.4 to 4.0 that alkyl ethoxy sulfate contains, the uncle C of preferred 0.3 to 3.0 oxyethane ₁₂-C ₁₄Alkyl ethoxy sulfate material and 9% to 15%(composition weight) N-coconut acyl group-N-methylglucosamine.

It is 2: 1 and 1: 1 that preferred compositions is used the weight ratio with the anion surfactant glycosamine.Particularly preferred composition contains 10% to 18%(weight) C ₁₂-C ₁₄Alkyl ethoxy sulfate and 7% to 15%(weight) the glycosamine tensio-active agent.Alkyl ethoxy sulfate self is made up of a kind of mixture, this mixture is that weight ratio is 2: 1 to 5: 1, and material and every mole of alkyl ethoxy sulfate that preferred every mole of about 4: 1 alkyl ethoxy sulfate contains average about 0.8 moles of ethylene oxide contain the on average material of about 3.0 moles of ethylene oxide.

Preferred compositions of the present invention also contains 1%-8%, most preferably 2%-7%(weight) suds booster, this suds booster is selected from C ₁₀-C ₁₆Alkyl list or two-C ₂-C ₃Alkanolamide, C ₁₂-C ₁₄Alkyl or alkyl amido trimethyl-glycine, C ₁₂-C ₁₄Alkyl sultaine, C ₁₀-C ₁₆Alkyl two C ₁-C ₄Alkyl or two C ₂-C ₄Hydroxyalkyl amine oxide, every mol of alcohol contain the C of average 7 to 12 ethylene oxide groups ₉-C ₁₂Primary alcohol ethoxylate and their mixture.

Preferred suds booster comprises that content is 1% to 5% of composition weight, preferred 1.5% to 3% C ₁₂-C ₁₄Alkyl betaine and content are 6% to 8% C of composition weight ₉-C ₁₂Primary alcohol ethoxylate (preferred C ₁₀Alkyl EO ₈) mixture.

Another preferred ingredients of said composition is Mg ⁺⁺, its content be composition weight up to 1.5%, more preferably 0.5% to 1.0%.Particularly preferred composition also contains calcium ion except containing magnesium ion, its content is 0.3% to 0.5%(weight).

Detergent composition of the present invention contains a kind of mixture of core surfaces promoting agent, and the amount of this mixture is 15% to 65% of a composition weight, and is preferred 20% to 50%, more preferably 22% to 40%(weight).This mixture contains at least a water soluble anion vitriol that accounts for mixture weight 5% to 95% or sulfosalt surfactant salt and accounts for 95% to 5% N-C of mixture weight ₈-C ₁₆Acyl group-N-C ₁-C ₄The alkylated glucamine nonionogenic tenside.Preferred mixture contains 20% to 80% anion surfactant and 80% to 20% alkylated glucamine, most preferably contains 40% to 70% anion surfactant and 60% to 30% alkylated glucamine.

Anion surfactant can be any organic sulfate or sulfosalt surfactant salt basically, but it is selected from C usually ₁₁-C ₁₅Alkylbenzene sulfonate, C ₁₀-C ₁₆Alkyl-sulphate and their every mole of alkyl ethoxy sulfate contain oxyethyl group analogue, the C up to 6 moles of ethylene oxide ₁₃-C ₁₈Paraffin sulfonate, C ₁₀-C ₁₆Alkene sulfonate, C ₁₀-C ₂₀Alkyl glycerol ether sulfonate, C ₉-C ₁₇Acyl group-N-C ₁-C ₄Alkyl or C ₂-C ₄The mixture of hydroxyalkyl glucosamine sulfate and above-mentioned any material.The preferred anionic surfactants tensio-active agent is selected from alkyl ethoxy sulfate, alkyl glycerol ether sulfonate and paraffin sulfonate.

The alkylbenzene sulfonate that is used for the present composition is such material, and wherein alkyl is linear basically, and contains 10-16 carbon atom, preferred 11-13 carbon atom, and the material of average carbon chain length 11.8 is most preferred.The isomer of phenyl distributes, and promptly the tie point of alkyl chain and benzene nucleus is not strict, but the high alkylbenzene of content of preferred 2-phenyl isomer.

The alkyl-sulphate that is fit to is a primary alkyl sulphates, and wherein alkyl contains 10-16 carbon atom, more preferably contains an average 12-14 carbon atom in preferred linear chain.By natural fat, or Ziegler olefin is synthetic, or the C that obtains of oxo process ₁₀-C ₁₆Alcohol has formed the suitable source of alkyl.The synthetic examples of substances that obtains comprises ShellChemicals(UK) the Dobanol 23(RTM that sells of Ltd.), Ethyl the Corporation Ethyl 24, the BASF GmbH that sell be 67% C with the ratio that commodity Lutensol by name sells ₁₃, 33% C ₁₅C ₁₃-C ₁₅The Synperonic(RTM that the mixture of alcohol and ICI Ltd. sell) and the Lial 125 that sells of Liquichimica Italiana.The examples of substances that can obtain the natural formation of this alcohol is Oleum Cocois, palm-kernel oil and corresponding lipid acid.

Alkyl ethoxy sulfate surfactant comprises by on average having up to 6 ethylene oxide groups and C ₁₀-C ₁₆The primary alkyl ethoxy sulfate that the condensation product of alcohol obtains.C ₁₀-C ₁₆Alcohol itself can obtain in the face of the described any source of alkyl-sulphate component in the past.C ₁₂-C ₁₃Sulfated alkyl ether is preferred.

Can obtain average degree of ethoxylation and be traditional base catalysis ethoxylation process of 6 and produce scope and the distribution of each ethoxylate of 1 to 15 oxyethyl group is arranged, therefore can in all sorts of ways and obtain required average degree of ethoxylation at every mol of alcohol.Mixture can obtain by having the material that different ethoxylation degrees and/or different ethoxylate distribute, and this material is by using specific ethoxylation process and procedure of processing subsequently, making as distillation.For example, have been found that whipability and unctuousness soil release performance that the mixture by alkyl-sulphate and alkyl triethoxy ether sulfate provides, can be by reducing alkyl-sulphate and using every mol of alcohol to have the sulfated alkyl ether of average about 2 oxyethyl groups and obtain equally.In preferred composition of the present invention, used a kind of mixture of alkyl ethoxy sulfate, this mixture is that to have average degree of ethoxylation be 0.4 to 1.0, and more preferably from about 0.8 material is 2.0 to 4.0 with having average degree of ethoxylation, and more preferably from about 3.0 material mixes.

Be used for secondary alkyl sulfonate of the present invention, its every mole contains 13 to 18 carbon atoms, and more preferably every mole contains 13 to 15 carbon atoms.These sulfonate are preferably according to known sulfoxidation method, make the paraffin distillate that has corresponding to above-mentioned chain length stand the effect of sulfurous gas and oxygen and prepare.The product of this reaction is secondary sulfonic acid, then it is neutralized with the alkali that is fit to, and just obtains water-soluble secondary alkyl sulfonate.Similarly secondary alkyl sulfonate can make with additive method, for example, uses the chlorosulphonation method, and wherein chlorine and sulfurous gas react with paraffinic hydrocarbons in the presence of actinic light, obtain SULPHURYL CHLORIDE, have generated secondary alkyl sulfonate through hydrolysis and neutralization again.Regardless of which kind of method of use, the sulfonate that common hope generates is monosulfonate, and does not have unreacted starting hydrocarbon or the only starting hydrocarbon existence of restricted amount, can have on a small quantity or not have the inorganic salt by-product existence.Equally, stilbene-4,4'-bis-(1-azo-3, 4-dihydroxy-benzene)-2,2'-disulfonate or senior sulfonation material will reduce to minimum, but some also can exist.Monosulfonate can terminal sulfonation, or sulfonate groups can connect on the 2-carbon or other carbon of linear chain.Equally, when excessive sulphonating agent existed, any stilbene-4,4'-bis-(1-azo-3, 4-dihydroxy-benzene)-2,2'-disulfonate of following generation usually can be that sulfonate groups is distributed on the different carbon atoms of paraffinic hydrocarbons, also can have the mixture of monosulfonate and stilbene-4,4'-bis-(1-azo-3, 4-dihydroxy-benzene)-2,2'-disulfonate.

Wherein alkyl is that the mixture of the monoalkyl sulfonate of 14 and 15 carbon atoms is particularly preferred, wherein this sulfonate be with C ₁₄-C ₁₅The weight ratio of paraffinic hydrocarbons exists under 1: 3 to 3: 1 situation.

Being used for alkene sulfonate of the present invention is the mixture of alkenyl-1-sulfonate, alkenyl hydroxy sulfonate, alkenyl stilbene-4,4'-bis-(1-azo-3, 4-dihydroxy-benzene)-2,2'-disulfonate and hydroxyl stilbene-4,4'-bis-(1-azo-3, 4-dihydroxy-benzene)-2,2'-disulfonate, and they are illustrated among the US-A-3332880 of the common transfer that was presented to P.F.Pflaumer and A.Kessler on July 5th, 1967.

The alkyl glycerol ether sulfonate that is fit to is those materials that obtained by the ether of Oleum Cocois and tallow.

Other sulfate surfactant comprises N-C ₉-C ₁₇Acyl group-N-C ₁-C ₄Alkylated glucamine vitriol, preferably C wherein ₉-C ₁₇Acyl group is those materials that obtained by Oleum Cocois or palm-kernel oil.These materials can prepare with the described method of US-A-2717894.

The counter ion of anion surfactant component can be any sodium, potassium, magnesium, ammonium or alkanol ammonium or their mixture.Concerning liquid composition of the present invention, sodium is preferred counter ion, but is fully transparent and sedimentary formation to be had big resistance be that potassium than sodium more preferably under the important situation at composition of the present invention.

In the composition of gel form of the present invention, concerning gel formation, sodium than potassium or ammonium more preferably.The preferred liquid detergent composition of the present invention has chill point less than 8 ℃, preferably less than 5 ℃, and is offset by ammonium ion to small part.

When having calcium and/or magnesium ion in the composition of the present invention, they can with the form of oxide compound or oxyhydroxide add with in and surfactant acid, form that perhaps can water-soluble salt joins in the composition.Yet, quite a large amount of this salt is joined in the dish washing compositions of the present invention, the temperature that raise, so that when composition cools, formed the inorganic salt crystal, therefore, in this way the salt amount of Jia Ruing should reduce to minimum.

In preferred composition of the present invention, can add the mixture of calcium and magnesium ion, so that 1% Ca up to composition weight is provided ⁺⁺, more preferably 0.3% to 0.5% Ca ⁺⁺With up to 1.50% Mg ⁺⁺, more preferably 0.5% to 1.0%(weight).Preferred mixture is rich in magnesium ion, and the Ca that provides is provided ⁺⁺: Mg ⁺⁺Weight ratio is 1: 1 to 1: 4.

Add Mg ⁺⁺And/or Ca ⁺⁺Composition for the situation of the very low water hardness (＜2 ° of Clark) and greater than 0.5%(weight) production concentration be of great value.

Second kind of core surfaces active agent component in the no auxiliary agent liquid composition of the present invention is the following compound of general formula:

Wherein Z is the polyhydroxy alkyl part that has a linear hydrocarbyl chain, and have at least 3 hydroxyls to be directly connected on this linearity hydrocarbyl chain, above-mentioned part is that the mixture by glucose and glucose and maltose obtains, in the mixture 33% of the no more than mixture weight of amount of maltose, R is the saturated or unsaturated aliphatic group that contains 8 to 16 carbon atoms, or the mixture of this group, R ₁Be C ₁-C ₄Alkyl or C ₂-C ₄Hydroxyalkyl.

R is obtained by any source of the alkyl of above discussing about anion surfactant, but the source of preferred natural formation.Preferred R has the mean chain length of 12 to 14 carbon atoms, and is obtained by Oleum Cocois or palm-kernel oil.R ₁Preferable methyl.

The synthetic of the glycosamine compound of subordinate is well known in the prior art, and it is not as invention part of the present invention.As mentioned above; US-A-2703798 discloses a kind of typical method of the N-of preparation alkanoyl N-alkylated glucamine; this method has two key steps; first step is included in hydrogen and hydrogenation catalyst exists down; under high temperature and pressure, make the reaction of glucose and primary alkyl amine generate glycosamine, at high temperature generate N-alkanoyl-N-alkylated glucamine then with the ester reaction.Have been found that adding small amount of methanol sodium in second step is favourable as catalyzer.

In the composition of liquid of the present invention and gel form, the preferred amounts of N-alkanoyl-N-alkylated glucamine is in 8% to 25%(weight) between, more preferably between 9% to 18%, most preferably in 10% to 15%(weight) between.

Physically stable composition of the present invention can not have in the presence of the magnesium ion with the calcium ion preparation, but needs to use highly purified N-alkanoyl-N-alkylated glucamine, wherein unreacted raw material, and the amount of impurity and by product, particularly lipid acid is reduced to minimum.

From in broad terms of the present invention, the remainder used water of liquid detergent composition is replenished, and perhaps replenishes with jelling agent or water under the situation of the composition of gel form.Yet in preferred compositions, also can comprise other the component that works, and the mixed weight of anion surfactant and glycosamine component is 20% to 40%, more preferably 22% to 30%(weight) scope.Very desirable optional components is one or more foam properties-correcting agent or promotor, and the amount of each component is 1% to 8% of a composition weight usually.Some material in these materials also has additional effect, for example as soil-suspending agent.A kind of such profoamer is C ₁₀-C ₁₆The alkyl list-or two-C ₂-C ₃Alkanolamide, its example comprise coconut alkyl monoethanol amide, coconut alkyl diglycollic amide and palm-kernel and coconut alkyl list-and two-isopropanol amide.Palm-kernel or coconut alkyl residue can be " full cuts ", comprise C ₁₀To C ₁₆Cut perhaps can be so-called " narrow fraction " C ₁₂-C ₁₄Cut also can use C ₁₀-C ₁₆The synthetic source of alkyl.

Another kind of effectively profoamer is a zwitterionics, and its general formula is as follows:

N be 0 and m be 1.

Preferred R ₁Have the average carbon chain length of 12 to 16 carbon atoms, and can be obtained by synthesis material, this chain can have some side chains in this case, is perhaps obtained by natural fat and oil, and this chain is linear in this case, and can comprise a spot of C ₈-C ₁₀And C ₁₄-C ₁₈Part.R ₁Synthesis material can be identical with those synthesis materials of in front alkyl of anion surfactant being mentioned.

It is another kind of that to be used for profoamer of the present invention be that general formula is R ₁R ₂R ₃The amine oxide of N → O, wherein R ₁Be the alkyl that contains 10 to 16 carbon atoms, R ₂And R ₃Respectively be independently selected from C ₁-C ₃Alkyl and C ₂-C ₃Hydroxyalkyl.Preferred this class A foam A promotor comprises dimethyl dodecyl amine oxide, dimethyl-tetradecylamine oxide, two-(2-hydroxyethyl) dodecyl amine oxide and their analogue, wherein dodecyl or tetradecyl partly are by natural origin, obtain as Oleum Cocois or palm-kernel oil.

Preferred foam properties-correcting agent is the mixture of the ethoxylated alcohol of ethoxylated alcohol or definite composition.

Ethoxylated alcohol comprises C ₆-C ₁₃It is average 1.5 to 25 that aliphatic alcohol ethoxylate, wherein every mol of alcohol contain, and more preferably 2 to 15,6 to 10 moles of ethylene oxide most preferably.Aliphatic alcohol ethoxylate contains no more than 1%(weight) not ethoxylated alcohol, when ethoxylated alcohol wherein contains when on average being less than 8 moles oxyethane, with contain no more than 2%(weight) ethoxylated alcohol not, when ethoxylated alcohol wherein contains average 8 during to 25 moles of ethylene oxide/mol of alcohol.

Initial alcohol can be primary alconol or secondary alcohol, but the primary alconol that preferably can obtain by natural or synthetic source.This natural fat or oil, or the product of Ziegler alkene building-up reactions or oxo process all can be used as the source of hydrocarbon chain, and the structure of this hydrocarbon chain can be linearity or branched chain type.

Preferred pure chain length is C ₉-C ₁₁, when adding the ethoxylate that is made by this alcohol, we find that the lather volume of the present composition and mileage performance are best.Because performance, we wish that also the hydrophilic-lipophilic balance (HLB) of ethoxylated alcohol is 8.0 to 17.0, more preferably 11.0 to 17.0, most preferably 11.0 to 15.0.Preferred alcohol ethoxylate is to contain average 10 carbon atoms on the alkyl chain and primary alcohol ethoxylates every mol of alcohol and average 8 ethylene oxide group condensations.

As about alkyl ethoxy sulfate as the anion surfactant component discussed, produce average degree of ethoxylation E _AvBe that common (base catalysis) ethoxylation process of 6 has obtained the distribution that every mol of alcohol has the ethoxylate of 1 to 15 moles of ethylene oxide.E _AvIncrease and caused some variation of this distribution, particularly the amount of ethoxylate does not reduce, but E _AvBy 3 be increased to 5 in ethoxylated product still the residue about 5-10% this material.

In liquid dishwashing detergent compositions of the present invention, the amount of ethoxylate will not cause that phase stability/chill point problem and/or generation have the product of Fatty Alcohol(C12-C14 and C12-C18) smell, this smell is unacceptable to the human consumer, and can not cover with conventional washing composition spices.The maximum that has been found that acceptable not ethoxylated alcohol in the ethoxylation alkoxide component is a 1%(weight).More preferably not 0.7% of the no more than ethoxylated alcohol composition weight of the amount of ethoxylated alcohol, most preferably be less than 0.5%.

Use underpressure distillation to remove unwanted material, and also removed a part of monosubstituted ethoxy thing cut, thereby improved the E of surplus materials _AvIn the preferred embodiment of the invention, 5% of the no more than ethoxylated alcohol weight of the amount of monosubstituted ethoxy thing.

In preferred composition of the present invention, use the mixture of foam properties-correcting agent or promotor, the amount of each material is 1% to 10%, more preferably 2% to 8%(weight).A kind of preferred mixture is C ₁₂-C ₁₄The alkyl dimethyl trimethyl-glycine and with the C of average 7 to 9 moles of ethylene oxide of every mol of alcohol ₉-C ₁₁The alcohol condensation product, the amount of every kind of material is 2% to 8% of a composition weight.

In preferred composition, the remainder of prescription comprises hydrotropic agent one aqueous systems, and wherein hydrotropic agent can be urea, C ₁-C ₃Fatty alcohol, low alkyl group or dialkyl benzene sulfonate, tosylate for example, xylenesulfonate, or the mixture of cumene sulfonate or any of these material.Common single hydrotropic agent just is enough to the phase stability that provides required, but composition of the present invention preferably uses a kind of mixture, for example urea one a pure water, a pure low alkyl group benzene sulfonate one water or urea one low alkyl group benzene sulfonate one water, so that reach required viscosity and keep stable and topple over easily.Concerning having organic active concentration less than about 40%(weight) composition, preferred pure formula hydrotropic agent is usually and urea blended ethanol, consumption of ethanol is 3% to 10% of a composition weight, preferred 4% to 8%.For having organic active concentration greater than about 40%(weight) composition, the mixture of preferred alcohol and urea and/or low alkyl group benzene sulfonate.Certainly, for cost, effect and do not consider that any stability/viscosities can use hydrotropic mixture.

The optional components of liquid detergent composition of the present invention comprises opalizer, as ethylene glycol bisthioglycolate stearate, thickening material, as melon ear wood glue, antiseptic-germicide, as glutaraldehyde and bronopol (RTM), rust-preventive agent, as benzoyloxy triazole, heavy metal chelant, as ETDA or ETDMP, spices and dyestuff.The PH of composition can be any value in the 6.0-8.5 scope, but the PH that has usually when the composition of preparation is during in the 6.5-7.3 scope, then carries out final PH and regulates and operate to obtain required finished product PH.To coloured product, PH preferably in the 6.5-7.2 scope to keep colour stability.

Composition of the present invention can several different methods preparation,, included any zwitterionics in the last adding composition of preparation process preferably is not though in fact it is the final component that will be added into.Make the danger of any degraded of zwitterionics under the existing acidic conditions of the beginning of preparation process reduce to minimum like this, and also help controlling the viscosity of finished product.The glycosamine tensio-active agent should not be present in PH and be lower than 4 or be higher than this tensio-active agent hydrolysis that prevents under 10 the condition.

Therefore; anion surfactant can be prepared into PH and be adjusted in the basic metal between 4 and 10 or the aqueous solution of ammonium salt; mix with N-alkanoyl-N-alkylated glucamine then; then mix with any ethoxylation anion surfactant and other suds boosters and hydrotropic agent; then can water-soluble salt, add any calcium or magnesium ion as the form of muriate or vitriol.When being conditioned, PH and viscosity adds any zwitterionics and submember then.This method has the advantage of using ordinary method and equipment, but has caused the adding of additional muriate or sulfate ion, and these ions can improve chill point temperature (inorganic salt precipitate with crystalline form under this temperature) in liquid.

In containing the preferred composition of alkyl ethoxy sulfate as anion surfactant, required pure and mild alcohol ethoxylate can mix, and can carry out simple sulphating and neutralization to these two kinds of materials then.For this reason, pure and mild alcohol ethoxylate should mix in 4: 3 to 1: 6 weight ratio scope.Yet, in most preferred method, preparing a kind of single alcohol ethoxylate raw material, wherein pure and mild ethoxylated alcohol amount of substance is controlled to provide the required ratio of these raw materials.

The sulphating of pure and mild alcohol ethoxylate and sulfonation can be used the sulfating agent and the sulphonating agent of any routine, for example sulphur trioxide or chlorsulfonic acid.Then, the neutralization of alkyl oxide sulfuric acid and alkylsurfuric acid is carried out with the alkali that is fit to or with magnesium, calcium or magnesium/calcium oxide or hydroxide slurry.If the quantity not sufficient of anion surfactant is to satisfy all required Ca that add by this way ⁺⁺And/or Mg ⁺⁺The ionic amount, then remaining form that can water-soluble salt adds.When the mixture that adds calcium and magnesium salts, then should select the negatively charged ion of magnesium salts, so that corresponding calcium salt also is water miscible.

Gelatinous composition of the present invention can prepare with United States Patent (USP) 4615819 described common method.

The present composition is characterised in that to have low interfacial tension (IFT) (interfacial tension has been represented the ability of emulsification fat and oily dirt), high polypropylene cup (PPC) weight loss (it has been represented to remove from the surface unctuousness dirt and dirt is suspended in ability the solution) and the fabulous soft property of skin.This composite character is unavailable usually in liquid detergent composition.

In addition, composition of the present invention is compared with prior composition and all demonstrate fabulous foam mileage performance in hard water and soft water.

The test method that is used for measuring these parameters is described below.

1) interfacial tension (IFT)

The mensuration of IFT has been represented the ability at prescribed condition lower surface promoting agent sample emulsification dirt.IFT is with turning point drop of liquid tensiometer and University of Texas, Austin, and Texas, the University of Texas Model 500 that USA. makes measures.Use two instruments, i.e. Kr ü ss GmbH Wissenscaftliche Laborger The Model SITE 04 that te makes, Borsteler Chaussee 85-99a, D2000 Hamburg 61 FRG, mensuration is to carry out under the representational condition that is run in the artificial dishwashing detergent practice in Europe.Therefore, mensuration is to be to carry out under 48 ℃ ± 1 ℃ at sample temperature, and in 2 ° of Clark or 18 ° of Clark hardness and have Ca: the Mg mol ratio is that the product concentration in 3: 1 the water is a 0.12%(weight).Dirt is by ALDRICH Chemical Company Ltd.New Road, Gillingham, the purity that Dorset, England provide be 99.7%(all the other 0.3% comprise the blended free fatty acids) triolein.The result comes quantitatively (1PaCm=10 dynes per centimeter) with PaCm.

2) polypropylene cup weight loss (PPC)

Polypropylene cup test method is to be determined in the practice of the artificial dishwashing detergent of simulation under resulting those conditions total fat of product to remove ability.This test comprises the amount of removing solid grease under the fatty temperature of fusion from the bottom surface of polypropylene cup that is lower than that is determined at.

The grease dirt is to make by the mixture for preparing following fat:

70% solid-state 100% vegetables oil (by Van den Berghs, Burgess Hill, W.Sussex, Spry CRISP " N " DRY of England preparation)

30% liquid 100% Semen Maydis oil (by CPC(UK) Ltd., Claygate House, Esher, Surrey, the MAZZOLA of England preparation)

Heat this mixture and mix, then cooling and under＜0 ℃ of temperature, storing up to becoming solvable.In order to use, will about 150ml fat in glass beaker, to melt and remain under 70-75 ℃.15 250ml are clean, exsiccant polypropylene TRIPOUR cup is weighed separately, then by at the bottom of directly pouring into glass and be not sprinkled upon on the wall of cup 6.00 ± 0.03 gram fat are weighed in each cup.Cup is kept balance, and fat can solidify 2-3 hour in 21 ± 1 ℃ thermostatic chamber.

At 50-55 ℃ of following 0.12% solution of preparation test products, and these solution of 100 ± 0.1 grams are joined in 5 vials, seal bottle with lid then.Air-tight bottle is put into the water-bath that fixes on the thermostatic chamber under 45-46 ℃, so that the solution in each bottle is under 43.8 ± 0.1 ℃ of temperature.Each test products is carried out same process, and standard prod is also carried out same process, so that contrast with test products.

Then the solution in the bottle is poured in the cup along sidewall, noted the fat at the bottom of the disturbance cup not, cup was placed 1/2 hour 21 ℃ of following balances, put into ice bath then and kept 10 minutes.During cooling, the development of the surface of fatty deposits line solution in cup.Mixing to the material in each cup and the bottle can be carried out above-mentioned pouring into and cooling step.After 10 minutes each cup is turned rapidly, and dry cup inside is to remove the edge that is bonded at fat line and all substances on the wall of cup between the plane.Then cup being stood upside down drained 10-15 minute on absorbent kitchen cylinder, then in baking oven 30 ℃ dry 2 hours down, then under 50 ℃ dry 1 hour again.Cup is weighed again.The minimum weight and the weight in average between the residuals weight of test back that 5 samples are calculated fat are poor.This weight difference obtains a value divided by the weight difference that obtains with standard prod, and this value has been represented the performance ratio between test and the standard prod.

Product of the present invention demonstrates greater than about 1.3, preferably at least about 1.4 performance ratio.

Concerning this test, standard prod should have removing property of grease in the total area identical with the test product and under the identical concentration.This can recently reach as the liquid of dirt composition and the weight of solid fat by regulating, so that standard (reference) product can be removed the fat of 20-35% under test conditions, and test products can be removed 20 to 80% fat.Concerning test and reference product, must use with a collection of fat.

3) total foam and foam mileage

Total foam is the foamy cumulative volume that produces in the washing test of standard tableware, and it is a tolerance of the visible latherability of formula solution.The foam mileage is in product concentration, makes the foam of testing liquid reduce to a tolerance of the minimum required dirt consumption of regulation under the standard conditions of the temperature and the water hardness.After reflected the visible useful life of artificial dishwashing detergent solution.Under same test conditions the foam mileage of composition in described mechanical foaming test method with ready mixed food dirt and ready unctuousness dirt and obtain.

Test conditions

Product concentration 0.12%

Water temp 48%

2 ° of Clark of the water hardness and 18 ° of Clark

The blended food soil

Rice/meat mincing/egg (genuine meals)

1 * 392 gram Tin Tyne Brand Minced Beef ﹠amp; Onion ¹

1 * 439 gram Tin Ambrosia Creamed Rice Pudding ²

1 egg

25 milliliters of mixing free fatty acidies (MFFA) in Semen Maydis oil ^*

25 milligrams of Semen Maydis oils

The unctuousness dirt

The cake mixed pulp

30 gram cake mixtures ³

2%MFFA in the 60 gram Semen Maydis oils ^*

1 by Master Foods, Kings Lynn, and Norfolk, England sells.

2 by Ambrosia Creamery, Lifton, and Devon, England sells.

3 by McDougalls Catering Foods Ltd., Imperial Way, and Warton Grange, Reading, England sells.

☆ 4 gram oleic acid, 4 gram linolenic acid, 2 gram stearic acid, 5 gram palmitinic acids, the pure Semen Maydis oil of 735 grams.

Test method

This method use 4 side by side long 30 centimetres and diameter of fixed be 10 centimetres garden tube, these garden tubes can be around the speed rotation of axis with 24rpm.It is 0.12% product solution that each garden wound packages has 500 ml concns, and temperature is 48 ℃.Two garden tubes of outside use a kind of product that will compare, and two the garden tubes in the inside use another kind of product.

With these garden tube rotations 2 minutes, stop, measuring initial foam, dirt generally adds with the 2ml aliquot then.The garden tube begins rotation, rotatable 1 minute again after 1 minute.Write down foam height, the 2ml dirt is added in each garden tube.The garden tube begins rotation again after 1 minute.Carry out the foam height of this process in the tube of garden continuously and be lower than 0.6 centimetre.

The summation that (promptly become up to foam height and be lower than 0.6 centimetre) measures all foam heights in each test obtains total brbble test value.

Selected a kind of product is thing in contrast, and other products compares with " contrast " product, calculates foam index and foam mileage value with following formula.

The foam index of test products=(total foam of test products)/(total foam of reference product) * 100

The foam mileage of test products

=(join and make foam height reduce to the quantity of 0.6 centimetre dirt in the test products solution)/(join and make foam height reduce to the quantity of 0.6 centimetre dirt in the reference product) * 100

The present invention has obtained explanation in following indefiniteness embodiment, wherein, except as otherwise noted, all umbers and percentage ratio are all by weight.

Embodiment 1

A kind of core surfaces promoting agent system is made into to contain the mixture of a kind of alkyl ethoxy sulfate surfactant and N-lauroyl-N-methylglucosamine.Alkyl ethoxy sulfate is the C by every mol of alcohol and average 0.8 moles of ethylene oxide condensation ₁₂-C ₁₄Primary alconol makes, and neutralizes so that every mole of alkyl ethoxy thiolate contains 0.22 mole of magnesium with the mixture of ammonium and magnesium ion.The analog product of 30% core surfaces surfactant concentration makes in distilled water earlier, in soft (2 ° of Clark) water or hard (18 ° of Clark) water, make the 0.12%(weight of this product then) solution, and with described test method above, carry out the IFT test, in 2 ° of Clark water, carry out the test of PPC unctuousness soil release.Ratio with alkyl ethoxy sulfate and alkylated glucamine is 100: 0,75: 25, and 65: 35,50: 50, carried out said process in 25: 75 and 0: 100, the result who obtains is as follows.

As can be seen, alkylated glucamine is joined in the anion surfactant, aspect grease emulsifying, produced significant improvement, shown in the IFT value, and also producing significant improvement aspect the unctuousness soil release, shown in the PPC soil release value that increases.

Above-mentioned cosurfactant mixture is also carried out the evaluation of total foam height and foam mileage performance with above-mentioned test method.Yet these results do not have index to standard prod to convert, but has directly provided total foam/foam mileage value.

Consider unctuousness soil release data and foaming data under unctuousness dirt consumption condition, as can be seen, concerning grease remove with whipability, preferred mixture is an alkyl ethoxy sulfate: alkylated glucamine is between 75: 25 and 50: 50, and the best is 65: 35 a mixture.100% alkylated glucamine system has provided similar removing property of grease, but particularly under unctuousness dirt condition, this system total bubble and the foam mileage aspect be wretched insufficiency.

Embodiment 2

Prepare following composition A-E:

Composition A representative commercially available liquid washing agent dishwashing detergent product relatively, and composition B, C, D and E are according to of the present invention.

C _11.8Linear

Alkylbenzene

Sulfonate 6.5----

N-coconut acyl group

-N-first

Base glycosamine-12.5 10.0 8.0 12.8

C _12-13Alkane

Base (EO) _0.8

Vitriol 20.5 11.0 15.0 16.0 10.0

C _12-13Alkane

Base (BO) ₃

Vitriol----2.7

The primary alconol ethoxy

The baseization thing ¹4.0 6.0 4.0 8.0 7.0

Mg ⁺⁺Ion 0.35 0.20 0.25 0.5-

C ₁₂-C ₁₄

Alkyl-dimethyl

Base trimethyl-glycine 1.5 4.0 3.0 2.0 2.0

The coconut monoethanolamine

Acid amides 3.8----

C ₁₂-C ₁₄

Alkyl-dimethyl

Base amine oxide--4.0--

Isopropyl benzene

Sodium sulfonate 1.0 1.0 2.0 2.0 2.0

Ethanol 4.5 5.0 5.0 5.0 5.0

Urea 0.5----

Water-add to 100-

1 mainly is the linear C that contains average 10 ethylene oxide units/mol of alcohol ₉-C ₁₁Mixture, and contain be less than 2%(weight) not ethoxylated alcohol.

Obtain the IFT of all 5 products, PPC and foam mileage value, the result is expressed as follows.

1.IFT（Pa.Cm）

A B C D E

2°Clark 0.15 0.08 0.08 0.09 0.08

18°Clark 0.11 0.06 0.06 0.07 0.06

2.PPC

2° Clark 1 1.6 1.7 1.7 N/A

3. total foam/foam mileage

Mixed dirt

A B C D E

2° Clark 100 189 186 135 142

/100 /167 /170 /128 /129

18° Clark 100 145 177 121 138

/100 /140 /153 /119 /150

The unctuousness dirt

2° Clark 100 132 130 123 150

/100 /129 /132 /122 /150

18° Clark 100 95/ 98/ 108 102

/100 113 115 /107 /99

Claims

1. A builder-free liquid or gel detergent composition in the form of a physically stable aqueous solution, characterized by comprising from about 15% to about 65% by weight of the composition of a core consisting essentially of Surfactant Blend:

a) from about 5% to about 95% (by weight of the mixture) of at least one water-soluble anionic surfactant selected from sulfates and sulfonates;

b) from about 95% to about 5% (by weight of the mixture) of one or more compounds of the general formula:

wherein Z is a polyhydroxyl hydrocarbyl moiety with a linear hydrocarbon chain having at least 3 hydroxyl groups directly attached to the chain, said moiety being obtained from glucose and mixtures of glucose and maltose, wherein maltose The amount is not more than about 33% by weight of the mixture, R is selected from saturated and unsaturated alkyl groups containing about 8 to about 18 carbon atoms and mixtures of such groups, _R is selected from C ₁ -C ₄ alkyl and C ₂ -C ₄ hydroxyalkyl groups; so that a 0.12% (by weight) aqueous solution of the surfactant mixture of the composition, at 2 ° Clark mineral hardness (Ca: Mg ratio of 3: 1) in water and at 48°C, with

i) a spin spot interfacial tension (IFT) of less than about 0.2 Pa cm obtained with a 99.7% pure triolein soil;

ii) The greasy soil removal value obtained in the polypropylene cup (PPC) test is more than 1.3 times the value obtained in the same test with a 0.12% solution containing only anionic surfactant components under the same conditions .

2. A detergent composition in the form of a builder-free liquid or gel according to claim 1, wherein the polyhydroxyhydrocarbyl moiety of component b) is obtained from glucose and a mixture of glucose and maltose, wherein the amount of maltose is not more than the About 25% by weight of the mixture.

3. A builder-free liquid or gel detergent composition according to Claim 1 comprising from about 20% to about 50% by weight of the composition of the mixture of core surfactants.

4. A builder-free liquid or gel detergent composition according to Claim 3 comprising from about 22% to about 40% by weight of the composition of the mixture of core surfactants.

5. A builder-free liquid or gel detergent composition according to claim 1 wherein the mixture of core surfactants comprises from about 20% to about 80% by weight of (a) and from about 80% to about 20% (b) of (weight).

6. A builder-free liquid or gel detergent composition according to claim 5 wherein the mixture of core surfactants comprises from about 40% to 70% by weight of (a) and from 60% to 30% by weight ) of (b).

7. A builder-free liquid or gel detergent composition in the form of a physically stable aqueous solution comprising from about 20% to about 50% by weight of the composition of a core consisting essentially of Surfactant Blend:

a) from about 5% to about 95%, by weight of the mixture, of at least one water-soluble anionic surfactant selected from the group consisting of an average of up to 6 moles of ethylene oxide per mole of alkyl ethoxy sulfates C ₁₀ -C ₁₆ alkyl ethoxy sulfate, C ₁₀ -C ₁₈ alkyl glyceryl ether sulfonate, C ₁₀ -C ₁₆ paraffin sulfonate, C ₉ -C ₁₇ acyl NC ₁ -C ₄ Alkylglucosamine sulfates and mixtures of any of these substances;

b) from about 95% to about 5% by weight of the mixture of one or more compounds of the general formula:

Wherein R is selected from saturated and unsaturated C ₈ -C ₁₆ hydrocarbon groups and mixtures thereof, R ₁ is selected from C ₁ -C ₄ alkyl groups and C ₂ -C ₄ hydrocarbon groups, and Z is obtained from glucose and a mixture of glucose and maltose The polyhydrocarbyl hydrocarbon moiety of the mixture, the amount of maltose in the mixture is not more than about 25% by weight of the mixture;

Thus a 0.12% by weight aqueous solution of the surfactant mixture of the composition, in 2° Clark mineral hardness (Ca:Mg ratio 3:1) water and at 48°C, has:

i) a spin-on drip interfacial tension (IFT) of less than about 0.2 Pa cm obtained with a 99.7% pure triolein soil;

ii) The greasy soil removal value obtained in the polypropylene cup (PPC) test is at least about 1.4 of the value obtained in the same test under the same conditions with a 0.12% solution containing only anionic surfactant components times.

8. A builder-free liquid or gel-forming detergent composition according to Claim 7 which comprises from about 22% to about 40% by weight of the composition of the mixture of core surfactants.

9. A builder-free liquid or gel detergent composition according to claim 7 wherein the mixture of core surfactants comprises from about 20% to about 80% by weight of (a) and from about 80% to about 20% (b) of (weight).

10. A builder-free liquid or gel detergent composition according to claim 7 wherein the mixture of core surfactants comprises from about 40% to about 70% by weight of (a) and from about 60% to about 30% (b) of (weight).

11. A detergent composition in the form of a builder-free liquid or gel according to claim 7, wherein component a) comprises primary _C12 having an average of not more than about 1.5 ethoxy groups per mole of alkyl ethoxy sulfate. - C ₁₄ Alkyl Ethoxy Sulfate Surfactant.

12. A builder-free liquid or gel detergent composition according to claim 7, wherein component a) comprises primary C12 having an average of from about 0.4 to about 1.0 ethoxy groups per mole of alkyl ethoxy sulfate _. - C ₁₄ Alkyl Ethoxy Sulfate Surfactant.

13. A builder-free liquid or gel detergent composition according to Claim 7 which comprises up to about 1.5% by weight of the composition of Mg ⁺⁺ .

14. A builder-free liquid or gel detergent composition according to claim 7 which comprises up to about 1% by weight of the composition of Ca ⁺⁺ .

15. A detergent composition in the form of a builder-free liquid or gel according to claim 7, comprising a suds-boosting substance selected from the group consisting of C ₁₀ -C ₁₆ alkyl mono- or di-C ₂ - C ₃ alkanol amide, C ₁₂ -C ₁₆ alkyl sultaine, C ₁₀ -C ₁₆ alkyl di C _1-4 alkyl or di C _2-4 hydroxyalkyl amine oxide, per mole of alcohol C ₉ -C ₂ primary alcohol ethoxylates with an average of 7 to 12 oxirane groups and mixtures thereof.

16. A builder-free liquid detergent composition in the form of a physically stable aqueous solution comprising from about 20% to about 50% by weight of the composition of a core surfactant mixture consisting essentially of:

a) from about 40% to about 70%, by weight of the mixture, of at least one water-soluble anionic surfactant selected from the group consisting of C containing an average of up to 6 moles of ethylene oxide per mole of alkyl ethoxylated sulfate ₁₀ -C ₁₆ Alkyl Ethoxy Sulfate, C ₁₀ -C ₁₈ Alkyl Glyceryl Ether Sulfonate, C ₁₀ -C ₁₆ Paraffin Sulfonate, C ₉ -C ₁₇ Acyl NC ₁ -C ₄ Alkyl Glucose Glycosamine sulphates and mixtures of any of the foregoing,

b) from about 60% to about 30% (by weight of the mixture) of one or more compounds of the general formula:

Wherein R is selected from saturated and unsaturated C ₈ -C ₁₆ hydrocarbon groups and mixtures thereof, R ₁ is selected from C ₁ -C ₄ alkyl groups and C ₂ -C ₄ hydrocarbon groups, and Z is obtained from glucose and a mixture of glucose and maltose The polyhydroxyl hydrocarbon moiety of the mixture, the amount of maltose in the mixture is not more than 5% by weight of the mixture;

The composition also contains a suds boosting material comprising betaine and primary _C9 - _C11 alcohols condensed with an average of about 7 to about 9 moles of ethylene oxide per mole of alcohol, each in an amount of about 2% to about 8% (by weight of the composition);

ii) Greasy soil removal values obtained in the Polypropylene Cup (PPC) test are at least about 1.4 times the values obtained in the same test under the same conditions with a 0.12% solution containing only anionic surfactant components .

17. A builder-free liquid detergent composition according to claim 16, further comprising a hydrotrope selected from the group consisting of C ₁ -C ₃ aliphatic alcohols, urea, lower alkyl or dialkylbenzenesulfonic acids Salt and mixtures of any of the foregoing.

18. A physically stable builder-free liquid dishwashing detergent composition according to claim 16, wherein the composition comprises an opacifier.

19. A builder-free liquid detergent composition according to Claim 16 having a pH in the range 6.0 to 8.5.

20. A builder-free liquid detergent composition in the form of a physically stable aqueous solution, characterized by comprising from about 20% to about 50% by weight of the composition of a core surfactant consisting essentially of:

a) from about 40% to about 70% (by weight of the mixture) of water-soluble C ₁₀ -C ₁₆ alkyl ethoxy sulfates containing an average of up to 6 moles of ethylene oxide per mole of alkyl ethoxy sulfate,

b) from about 60% to about 30% (by weight of the mixture) of one or more compounds having the general formula:

wherein R is a _C12 - _C14 linear or substantially linear alkyl group, _R1 is methyl, and Z is a polyhydroxyhydrocarbyl moiety derived from glucose and a mixture of glucose and maltose in an amount not greater than the weight of the mixture 5% of;

The composition contains 0.3% to 0.5% by weight of Ca ⁺⁺ ions and 0.5% to 1.0% by weight of Mg ⁺⁺ ions;

The composition also contains a suds boosting material comprising betaine and primary _C9-11 alcohols condensed with an average of about 7 to about 9 moles of ethylene oxide per mole of alcohol, each in an amount of about 2 % to about 8% (by weight of the composition);

Thus a 0.12% by weight aqueous solution of the surfactant mixture of the composition, in water of 2° Clark mineral hardness (Ca:Mg ratio 3:1) and at a temperature of 48°C, has: