CN1085246C - Secondary alkyl sulfate surfactant with improved solubility by kneading/extruding process - Google Patents

Secondary alkyl sulfate surfactant with improved solubility by kneading/extruding process Download PDF

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Publication number
CN1085246C
CN1085246C CN97194474A CN97194474A CN1085246C CN 1085246 C CN1085246 C CN 1085246C CN 97194474 A CN97194474 A CN 97194474A CN 97194474 A CN97194474 A CN 97194474A CN 1085246 C CN1085246 C CN 1085246C
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particle
usp
alkyl
composition
united states
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CN1218498A (en
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T·卡诸塔
F·艾比哈拉
K·奥甘米
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Procter and Gamble Co
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Procter and Gamble Co
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C11D17/065—High-density particulate detergent compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents ; Methods for using cleaning compositions
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents ; Methods for using cleaning compositions one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules

Abstract

Secondary (2,3) alkyl sulfate surfactants are admixed with powdered detersive ingredients and combined with a surfactant paste. The resulting detergent dough is extruded through an orifice and sized to provide particles. The particles are coated with a free-flow aid. The resulting SAS particles exhibit improved solubility and are especially useful in laundry detergents.

Description

The secondary alkyl sulfate surfactant of improved solubility by kneading/extruding process
Invention field
Use various components and prepare secondary alkyl sulfate surfactant (SAS) so that improved water-soluble to be provided.The SAS particle that obtains can be used in detergent for washing clothes and other cleaning combination, especially under the cold water washing condition.
Background of invention
In order to remove multiple dirt and stain from the surface, most of conventional washing agent compositions comprise the mixture of various surfactant for washing.For example, be applicable to the various anion surfactants of removing particulate fouling, especially alkylbenzene sulfonate and be applicable to the various nonionogenic tensides of removing oil dirt, for example alkyl ethoxy compound and alkylphenol ethoxylate.Though the read documents summary as can be known, the range of choice of tensio-active agent is very big for the producer of washing composition, and the fact is that a lot of such materials are special chemical articles, and it is not suitable in the routine of low unit cost project such as household laundry composition uses.The fact that also has is exactly that many household laundry washing composition still comprise one or more conventional alkylsulfonates or primary alkyl sulphates tensio-active agent.
One class tensio-active agent that found and that restriction is used in various compositions with desirable emulsifying effect comprises secondary alkyl sulfate.Available traditional secondary alkyl sulfate is to be generally pasty state, random Sulfated straight chain and/or part collateralization alkyl mixture.Because they can not provide the peculiar advantage above alkylbenzene sulfonate, so this material is not used for detergent for washing clothes on a large scale.
Just with the preparation of " concentrating " form, it can provide the consumers and producers basic benefit to modern granular laundry detergent.For consumers, the more small packages size of concentrated product is convenient to handle and store, and for the producer, has then reduced storage cost, transportation cost and packing cost.
Producing acceptable concentrated granulated detergent does not have no problem.In a kind of typical concentrate formulation, mainly removed for example sodium sulfate of so-called 'inertia' component.But such component is playing a role aspect the solubleness that strengthens traditional spraying-dry washing composition really; Like this, conc forms often brings the problem of solubleness.Even, traditional low density detergent granule is usually with the preparation of spraying-desiccating method, and it obtains quite easy dissolved porous detergent particles in the water washing liquid.On the contrary, spissated preparation comprises that with the typical case the seldom high density detergent granules of hole is arranged basically, and its solvability is very poor.Generally speaking, because comprising, the conc forms typical case of granulated detergent contains the scrubbed component of little room of particle high-content only has to(for) solvent, with because deliberately with the such particle of high-bulk-density production, so the possibility of result that intersects is a basic problem relevant with solubleness in use.
Have been found that a kind of secondary alkyl sulfate of special the above-mentioned type now, i.e. (2,3) the alkyl-sulphate second month in a season of indication of the present invention (" SAS ") can provide the formulator and the sizable benefit of user of detergent composition.For example, can obtain (2, the 3) alkyl-sulphate second month in a season of exsiccant, granular solids.In addition, they estimate to be manufactured into height-tensio-active agent (that is, " the high reactivity ") particle that is used for granular laundry detergent.Owing to, can obtain (2, the 3) alkyl-sulphate second month in a season of solid particulate form if handle aborning suitably, thus they do not need dry by the step of spray-drying tower-be mixed in the granular detergent composition.For secondary (2,3) alkyl-sulphate, except the benefit of seeing above, now sure is that they are degradable under the condition of aerobic and anaerobic, and it helps their environmental treatment.It is desirable to the second month in a season (2,3) alkyl-sulphate and detersive enzyme have good especially consistency, especially when calcium ion exists.
Unfortunately in relatively cooler washings, some is low for the SAS particulate dissolution rate that commerce obtains.This problem would rather be washed temperature at cold wash the human consumer, promptly is especially serious in the country of washing under being low to moderate about 5 ℃ condition.When SAS was used for high density detergent granules, this problem was further aggravated.
The present invention is transformed into the commercial SAS powder with low relatively dissolution rate can rapidly-soluble washing composition.Importantly, it is mobile that SAS particle provided by the invention does not have, and can easily mix with other component and full allotment granulated detergent is provided.In addition, the present invention overcome with granular laundry detergent or other granular cleaning combination in SAS use relevant many problems.
Background technology
The detergent composition that contains various " second month in a season " and branched-chain alkyl vitriol is disclosed in various patents; Referring to: the United States Patent (USP) 2,900,346 that licenses to people such as Fowkes August 18 nineteen fifty-nine; Licensed to the United States Patent (USP) 3,234,258 of Morris on February 8th, 1966; Licensed to people's such as Grifo United States Patent (USP) 3,468,805 on September 23rd, 1969; Licensed to people's such as DeWitt United States Patent (USP) 3,480,556 on November 25th, 1969; Licensed to people's such as Bloch United States Patent (USP) 3,681,424 on August 1st, 1972; Licensed to people's such as Fernley United States Patent (USP) 4,052,342 on October 4th, 1977; Licensed to people's such as Mills United States Patent (USP) 4,079,020 on March 14th, 1978; Licensed to people's such as Bakker United States Patent (USP) 4,226,797 on October 7th, 1980; Licensed to people's such as Rossal United States Patent (USP) 4.235,752 on November 25th, 1980; License to Lutz United States Patent (USP) 4,317,938 March 2 nineteen eighty-two; Licensed to people's such as Wilms United States Patent (USP) 4,529,541 on July 16th, 1985; Licensed to people's such as Reilly United States Patent (USP) 4,614,612 on September 30th, 1986; People's such as mandate on November 14th, 1989 Lengl United States Patent (USP) 4,880,569; Licensed to the United States Patent (USP) 5,057,041 of Lutz on December 24th, 1991; Licensed to people's such as Lutz United States Patent (USP) 5,349,101 on September 20th, 1994; License to the United States Patent (USP) 5,389,277 of Prieto February 14 nineteen ninety-five; License to the English Patent 818,367 of Bataafsche Petroleum August 12 nineteen fifty-nine; Licensed to the English Patent 858,800 of Shell on January 24th, 1979; License to people's such as Bataafsche Petroleum English Patent 818,367 August 12 nineteen fifty-nine; Licensed to the English Patent 1,546,127 of Shell on May 16th, 1979; Authorized the English Patent 1,550,001 of Shell on August 8th, 1979; Licensed to the English Patent 1,585,030 of Shell on February 18th, 1981; Licensed to people GB 2,179 such as Leng, 054A (with reference to GB 2,155,031) on February 25th, 1987.The United States Patent (USP) 3,234,258 that licensed to Morris on February 22nd, 1966 relates to sulfate sulfatase alpha-olefins, a kind of alkene reagent and a kind of lower boiling nonionic organic crystal medium.
Be applicable to that preparation the whole bag of tricks of high density granular and instrument are disclosed in the document and some have been used for detergent applications.Referring to, for example: United States Patent (USP) 5,133,924; European patent-A-367,339; European patent-A-390,251; European patent-A-340,031; European patent-A-327,963; European patent-A-337,330; European patent-B-229,671; European patent-B2-191,396; Japanese Patent-A-6,106,990; European patent-A-342,043; GB-B-2,221,695; European patent-B-240,356; European patent-B-242,138; European patent-A-242,141; United States Patent (USP) 4,846,409; European patent-A-420,317; United States Patent (USP) 2,306,698; European patent-A-264,049; United States Patent (USP) 4,238,199; DE 4,021, and 476.
Also can referring to: WO 94/24238; WO 94/24239; WO 94/24240; WO 94/24241; WO 94/24242; WO 94/24243; WO 94/24244; WO 94/24245; WO 94/24246; License to people's such as Swift United States Patent (USP) 5,478,500 December 26 nineteen ninety-five; License to the United States Patent (USP) 5,478,502 of Swif December 26 nineteen ninety-five; The United States Patent (USP) 5,478,503 that authorize December 26 nineteen ninety-five.
The invention summary
The present invention includes a kind of preparation and have the method for the detergent particles that improves solubleness, this particle contains a kind of second month in a season of (2,3) alkyl sulfate surfactant, and it comprises step:
(a) mix (2, the 3) alkyl-sulphate and the scrubbed component of the powdered second month in a season of said particle form, thus provide a kind of contain uniformly basically at least about 10% (total amount) the said second month in a season (2,3) alkyl-sulphate powdered mixture;
(b) mixing step (a) thus powdered mixture and tensio-active agent stick with paste washing composition group be provided;
(c) pressing steps (b) thus washing composition group to make it provide diameter by an orifice plate be about 100～1500 microns detergent bar (being extrudate);
(d) shear step (c) thus detergent bar provide length to be preferably about 100 microns～about 15 centimetres particle;
(e) particle of usefulness free-flow agent coating step (d);
(f) randomly, to make its average particle size particle size be about 100～about 2000 microns to the coated particle of procedure of processing (e).
In a preferable methods, the uniform powder mixture of step (a) comprises about 10%～about 75% (total amount) (2,3) the alkyl sulfate surfactant second month in a season.
Although can use various water-soluble substanceses, but in typical method of the present invention, the detergent component that is used for step (a) is selected from polyacrylate powder, acrylate/maleate copolymer powder, soap powder end, dry primary alkyl sulphates sheet, yellow soda ash, and composition thereof.
In a preferred mode, the tensio-active agent group that is used for step (b) comprises that weight ratio is about 1: 4～about 1: 9 water and anion surfactant.The tensio-active agent group of preparation most preferably contains and is lower than approximately 10% in step (b), preferably is lower than the water of about 4% (total amount).
The free-flowing property auxiliary agent that is used for step (d) is preferably selected from the zeolite in fine powdered (0.5～10 micron), fine powdered silicon oxide and its mixture.In the method that is more preferably, the application of free-flowing property auxiliary agent at first is with the particle and then of nonionogenic tenside tackiness agent coating step (d), applies said particle with said free-flowing property auxiliary agent.
The preferred particle that contains SAS that applies with the free-flowing property auxiliary agent of step (e) comprises about total surfactant of 30%～about 50% (total amount), and density is at least about 650g/L and average particle size particle size is about 100～about 1500 microns.
The present invention also provides full allotment granular detergent composition, it comprises the conventional formulation component and at least about the prepared according to the methods of the invention particle of 5% (total amount), the particle that about 5%～about 99% (total amount) the coating effect of passing through above mentioned nonionogenic tenside and free-flowing property auxiliary agent of more preferably comprising prepares.
All per-cents of the present invention, ratio and ratio are total amounts, otherwise unless stated otherwise.The relevant portion of the article of all narrations is incorporated herein by reference document in the present invention.Detailed Description Of The Invention
SAS tensio-active agent and its preparation in accordance with the present invention are with hereafter.For the convenience of formulator, also disclose other component that can be used in the full allotment of preparation detergent composition, but it is not intended to be restricted.Secondary (2,3) alkyl sulfate surfactant
The sol particle that provides by method of the present invention preferably contain have an appointment 10%～about 70%, 20%～about 60% and most preferably from about 30%～about 50% (2, the 3) alkyl sulfate surfactant second month in a season of explanation in the present invention more preferably from about.For those those skilled in the art's convenience, be for these materials and the difference of traditional alkyl-sulphate (" AS ") tensio-active agent are come about the discussion that is used for (2,3) the alkyl-sulphate second month in a season of the present invention below.
The discovery for preparing the SAS powder by various grindings and paint-on technique is very to make us pleasantly surprised and unexpected, and is assert that this is unique method for SAS.SAS is a highly crystalline and it is highly brittle and is broken into the fine-powder that does not have cohesive action/nodulizing easily like this.In case handle with method of the present invention, the SAS powder that this is in small, broken bits since surface-area increase and can be dispersed in the water and dissolving fast.
On the contrary, because the different mixture of chain length of impurity, the fragility of common tensio-active agent is not enough so that it is frangible and can not be by means of this working method.Tradition AS tensio-active agent is exactly such example.Though pure AS is a highly crystalline, the AS of business level exists with the AS crystalline form that is dispersed in Wax dielectric impurity.It is impossible grinding at normal temperatures.Because the AS crystal has bigger particle size than ground SAS, so AS can not be dispersed in the water well, and the AS particle has relatively low dissolution rate.
The general formula of tradition primary alkyl sulphates tensio-active agent is
ROSO 3 -M +
Wherein R is typical straight chain C 10-C 20Alkyl and M are that water adds dissolved cation.The chain primary alkyl sulfate tensio-active agent (being side chain " PAS ") that contains 10-20 carbon atom also is known; Referring to, for example, licensed to people's such as Smith european patent application 439,316 on January 21st, 91.
Traditional secondary alkyl sulfate surfactant is that those contain along the material of the sulphate moiety of molecule alkyl skeleton random distribution.Such material can be by structural formula
CH 3(CH 2) n(CHOSO 3 -M +) (CH 2) mCH 3Expression, wherein m and n are 2 or greater than 2 integer, and it is about 9～17 that the m+n sum is typically, and M is that water adds dissolved cation.
With top comparing, select to be used for (2,3) the alkyl sulfate surfactant second month in a season of the present invention, for 2-vitriol and 3-vitriol, comprise chemical structural formula A and B respectively
(A) CH 3(CH 2) x(CHOSO 3 -M +) CH 3With
(B) CH 3(CH 2) y(CHOSO 3 -M +) CH 2CH 3The mixture of 2-vitriol and 3-vitriol can be used among the present invention.In chemical formula A and B, x and (y+1) be respectively at least about 6 integer and can be about 7～about 20, preferred about 10～about 16.M is for example basic metal, ammonium, alkanol ammonium and an alkaline-earth metal etc. of positively charged ion.Use prepares the water-soluble second month in a season of (2,3) alkyl-sulphate thereby the sodium typical case makes M, but also can use ethanol ammonium, di-alcohol ammonium, triethanol ammonium, potassium, ammonium etc.Substance A and B and its mixture are abbreviated as " SAS " in the present invention.
By the present invention certainly, the alkyl sulfate surfactant of aforementioned type is aspect physical/chemical, beyond thought difference is arranged each other in some aspects, and these aspects are important for the formulator of dissimilar detergent composition.For example, primary alkyl sulphates can with metallic cation for example calcium and magnesium disadvantageous reaction takes place, even can be precipitated by it.Like this, water hardness is a lot of greatly to the retroaction degree of the retroaction degree comparison SAS of primary alkyl sulphates.Therefore, have been found that now calcium exist and the condition of the high water hardness under, or under the situation that " helps and wash deficiency (underbuilt) " when the what is called of using nonphosphate to help to wash component to take place, SAS is preferred use.
With regard to random secondary alkyl sulfate (that is), the solid that such material tends to glue, more generally pasty state for the secondary alkyl sulfate that is positioned at the sulfate group on 4,5,6,7 positions such as secondary carbon(atom) such as grade.Like this, when preparing detergent particles with random vitriol, it can not provide the similar processed edge with solid SAS.Even, SAS provides better lathering property than random mixture.Preferably SAS is substantially free of (promptly contain be lower than about 20%, more preferably less than about 10%, the spy preferably is lower than about 5%) this random secondary alkyl sulfate.
Or " random " alkyl-sulphate isomer locational with other compared, and a kind of attendant advantages of SAS tensio-active agent of the present invention is, and is with regard to the resedimentation of dirt in the fabric laundry operations process, relevant with the improvement benefit that said SAS provides.Know as the user, detergent for washing clothes is from come off dirt and dirt is suspended in the water washing liquid of the fabric that is washed.But the formulator as washing composition is known, and the part soil suspension can be redeposited to fabric.Like this, in the load-carrying load washing, the redistribution of dirt on all fabrics and redeposited taken place.Certainly, this is unfavorable, and can cause well-known fabric " burnt hair " phenomenon.(as a kind of method that detects the redeposited character of any detergent for washing clothes preparation of giving, nonstaining white " spike " cloth is sandwiched in being washed in the fabric of contamination.Last at washing operation, the extent of deviation of white spike product and its initial whiteness can be estimated estimation with spectrographic determination or by experienced observer.It is many more that the whiteness of spike product keeps, and it is few more that the effect of dirt resedimentation takes place).
Also certainly in detergent for washing clothes, SAS provides basic benefit in dirt resedimentation properties than other locational secondary alkyl sulfate isomer, as being measured by clothing tracing method described above.Like this, the practical situation according to the present invention, selection is substantially devoid of the SAS tensio-active agent of other locational secondary isomer, can unexpectedly help the redeposited problem of the indeterminable dirt of the former method that solves.
Be to be noted that being used for SAS of the present invention has sizable difference with secondary olefin sulfonate (for example, licensing to people's such as Klisch United States Patent (USP) 4,064,076 on December 20th, 1977) aspect several important properties; In addition, this secondary sulfonate is not emphasis of the present invention.
The preparation that is applicable to SAS type of the present invention can be carried out in alkene by adding sulfuric acid.Use alpha-olefins and vitriolic typical case synthetic method, be disclosed in and licensed to the United States Patent (USP) 3,234,258 of Morris on December 24th, 1991 or license in the United States Patent (USP) 5,075,041 of Lutz, these two pieces of patents comprise in the present invention as a reference.At the synthetic generation product that SAS is carried out in the refrigerative solvent, these products are when removing for example C of unreacted matters, random Sulfated material, not Sulfated byproduct 10More during the purifying of higher alcohols, secondary olefin sulfonate etc., be the mixture (typically exist and be up to 10% sodium sulfate) of pure 2-of typical 90+% and 3-sulfation material and be the inviscid apparent crystalline solid of white.Also can have some 2, the 3-dithionate exists, but contains the mixture that is no more than (2,3) alkyl monosulfate second month in a season of 5% usually.
If still need the solubleness of further raising " crystallization " SAS tensio-active agent, formulator may wish to use this tensio-active agent that contains different alkyl chain length mixtures.Like this, all be C with alkyl chain 16SAS compare C 12-C 18The mixture of alkyl chain will provide the solubleness of increase.The increase of this solubleness is the extra increase except the increase that is provided by treatment process of the present invention aspect.
When using solvability particle formulation detergent composition provided by the invention, it is desirable to the SAS tensio-active agent and contain and be lower than about 3% sodium sulfate, preferably contain and be lower than about 1% sodium sulfate.Just itself, sodium sulfate is a kind of harmless material.But it does not provide cleaning function and may increase the weight of the load of system during concentrated granular when preparation in composition.
Available diverse ways reduces the content of sodium sulfate among the SAS.For example, add when being incorporated on the alkenyl when finishing sulfuric acid, before the neutralization of the SAS of sour form, careful operation is to remove unreacted sulfuric acid.In another approach, under the Krafft temperature that is near or below the SAS sodium salt, contain the SAS of the sodium-salt form of sodium sulfate with water wash.This will remove sodium sulfate and only lose minimum required purifying SAS sodium salt.Certainly, can use this two processes, first process is as the preceding step of neutralization, and second process is as the step after neutralizing.
Being used for term of the present invention " Krafft temperature " is the known technical term of worker of tensio-active agent scientific domain.Krafft temperature is described in by K.Shinoda and PaulBecher cooperation translation, and by Marcel Dekker, Inc. is in the 160-161 page or leaf of " principle of solution and solubleness " book of publication in 1978.Briefly, before temperature was Krafft temperature up to that point, the solubleness increase of surface-active agents in water was very slow, and solubility table reveals increase especially fast under this temperature.When temperature was higher than about 4 ℃ of Krafft temperature, almost the solution of any composition all became homogeneous.Usually, the tensio-active agent of any given type for example comprises among the present invention that the Krafft temperature of the SAS of an a kind of anionic hydrophilic vitriol and a hydrophobic hydrocarbon group changes along with the length of hydrocarbyl chain.This is owing to the variation of water solubility along with the hydrophobic parts in the surfactant molecule changes.
Formulator can wash the SAS tensio-active agent that is polluted by sodium sulfate with water randomly under the temperature that is not higher than Krafft temperature, for the washing of special SAS, preferably be lower than Krafft temperature.Can allow like this to remove sodium sulfate, keep the loss of SAS in washing water to keep minimum simultaneously with the washing water washing.
Comprise at SAS tensio-active agent of the present invention under the situation of mixture of the different alkyl of chain length, should be noted that Krafft temperature will not be a point but is defined as " Krafft border ".This situation is that the scientific and technical personnel of those tensio-active agents/measured in solution scientific domain know.Under any circumstance, for such SAS mixture, preferably be lower than under the temperature of Krafft, and preferably under the Krafft temperature that is lower than the long tensio-active agent of the short chain that in this mixture, exists, carry out this optional sodium sulfate and remove operation, because avoiding too much SAS loss like this and entering in the washings.For example, for C 16Secondary alkyl (2,3) sodium sulfate tensio-active agent preferably is being lower than about 30 ℃, preferably is lower than and carries out washing operation under about 20 ℃ temperature.Should be noted that cationic variation will change the preferred temperature of washing SAS tensio-active agent, this is because variation has taken place Krafft temperature.
Washing methods comprises SAS wet or that do is suspended in the water of capacity so that 10-50% to be provided solid, typically under about 20 ℃ (for C16SAS), and proceed step by step at least 10 minutes mixing time, then pressure filtration.In a preferred method, slurry comprises and approximately is lower than 35% solid that this slurry is a free-flowing property in the case, and is easy to stir in washing process.As additional benefits, this washing methods has also reduced the amount of organic pollutant, and this organic pollutant comprises random secondary alkyl sulfate described above.
SAS prepares processing
From pilot plant or commercial size angle, produce the SAS particle with method of the present invention and can use the various business equipment that comprise as rotary blender, shredder, compacting machine, spraying-drying machine, kneader, mixing machine, extrusion machine, these equipment are included within the scope of traditional chemical industry operation.The following describes a preferable methods among the present invention, but be not intended to limit scope of the present invention.
The high active surfactant particulate method that contains SAS with middle kneader, extrusion machine and the production of Lodige mixing machine is described below.The SAS particle that this method is produced than other possible method has higher solvability, thereby allows more high-load tensio-active agent is incorporated in the high-density granulated detergent.A considerable advantage of method of the present invention has been to use known conventional equipment of those personnel and the component of being familiar with detergent composition production that the SAS particle with improvement solubleness is provided.For example, in the step (a) of method with SAS blended material, as polyacrylate or AS or SKS-6 silicate etc., be with the present invention in list as the essentially identical material of formulation component.Therefore, be understood that these materials are at the SAS particle with contain the SAS particulate and allocate entirely in the equipoise of detergent composition and can both exist.This same case is for the surfactant mixture in the various tensio-active agents that are used for step (b) or the tensio-active agent group and be used for the zeolite, silicon oxide etc. of method subsequent step, all is certain.
The purpose of step (a)-this step be with tensio-active agent group mixture before, the detergent composition of preparation premix powder type in kneader.In this step, the SAS powder is at the mixing machine of any model for example in the carburizing mixing machine, detergent component with other powder type, be exsiccant high reactivity AS sheet, exsiccant polyacrylate powder, soap powder end, light yellow soda ash, SKS-6 (silicon oxide) and a small amount of component, with required formulation content thorough mixing.Before mixing, SKS-6 grinds with the particle size that reduces it in advance to the 40-60 micron.
In step (b)-this step step (a) is obtained powder and the tensio-active agent group that contains the 18-20% water gaging of having an appointment, for example oleoyl sarcosinate, linear alkylbenzene sulfonate (LAS), alkyl glycerol sulfonate mixing such as (AGS) can the group of extruding thereby provide.Material is sent in the batch kneading machine, is used for the wet group of plasticity of following aforementioned wet granulating process with production, and this batch kneading machine provides the mixing machine of homogeneous dissemination and short process mixing time.This step is performed until and forms washing composition group.In kneader, the ratio of wet tensio-active agent group and SAS approximately is 70/30.Total water-content in the washing composition group should be lower than about 10% and preferably be lower than about 4% (total amount).
The purpose of step (c)-this step is to make detergent bar with the washing composition group that extrusion machine and step (b) obtain.Washing composition group sends in the extrusion machine with fixed rate.The diameter of detergent bar should be at about 100-1500 micron, and it is determined by the orifice plate size in the extruder appts.According to the machine operation condition of washing composition group's preparation and extruding, bar is cut into the length about 100 μ m-15.0cm.
The purpose of step (d)-this step is the detergent bar of reduction step (c), so that the cleaning composition particle reaches final required particle size.The bar that is obtained by step (c) is sent among the high-speed mixer Marumarizer that for example Fuji Powdal Co. produces, and arrives about 1-2mm up to every contraction in length.For fear of excessive agglomeration, the silicon oxide of powder type and/or zeolite can be sent in the mixing machine with bar.
The purpose of step (e)-this step is the adhesive surface by the cutting rod of the silica-coated step (d) of using nonionic tackiness agent and zeolite or powdered, to improve their unrestricted flow character.The bar that is obtained by step (c) is sent in the Lodige KM mixing machine of operating.In mixing process, the nonionic tackiness agent of heat is sprayed on the bar.Then zeolite and/or silicon oxide are delivered in the mixing machine, up to naked eyes again liquid can't see free zeolite and/or powdered silicon oxide.
Step (f)-screen particle with a sieve.Final particle contains 40% the total surfactant of having an appointment, and its tap density surpasses 650g/L and its average particle size particle size is about 700-1000 micron.
The particle of Sheng Chaning can carry out drying-mix with other washing and/or component attractive in appearance like this, as disclosed below this paper, thereby provides complete-allotment detergent composition.In addition, can add for example soil releasing agent polymkeric substance of various optional components in step (a) and/or (e).Can in step (a), add the liquor of dye transfer inhibitor and/or before the nonionic tackiness agent is sprayed, the liquor of dye transfer inhibitor is sprayed onto on the particle of step (e).Can in step (a), add whitening agent and/or at the preceding premix of step (e) in nonionogenic tenside.Go above can be in step (e) liquid perfume being sprayed onto.
In other method, the type of the tensio-active agent group in the step (b) can change according to needed preparation; AS slurry, AS/AES (alkyl ethoxy sulfate) slurry, LAS/AS slurry, oleoyl sarcosinate slurry, poly-hydroxy fatty acid acid amides etc. all are operable.The moisture content of preferred slurry is lower than 20% (total amount), is applicable to that moisture content in the washing composition group is for being lower than 10%.
The nonionic surfactants type that is used for step coating (d) can be Neodol 23-6.5,45-7,25-9 or other nonionogenic tenside commonly used, for example poly-hydroxy fatty acid acid amides, APG and polyoxyethylene glycol (PEG).Water also can replace nonionogenic tenside to use as application of adhesive.
In step (b), the pressure that increases kneader can help to reduce the bonding batch time, and also makes mixing and dispersive better effects if.This will allow to use for example double-screw extruder device.
The aperture of extrusion machine mould can change at the 500-1000 micron according to the output of the outward appearance of final agglomerate, required surfactant dissolves speed and/or final agglomerate.
Processing units can change.Twin-screw extruder, at a high speed upright mixing machine and flat mixer are the alternate devices of acceptable batch tackiness agent and extrusion machine.
SAS particulate with method preparation of the present invention dissolves and can estimate by easy method, and does not need special experimental technique.For example, the SAS particle places water to continue for some time, and measures their solubleness by the amount of titration dissolved SAS.
A kind of human consumer be close to can observable practical approach in, measure undissolved SAS particle sedimentary amount on fabric.In this method, at first eluriate the SAS particle and make the sample homogeneous.Weighing 1.5g particle.A water sample (typically 1 liter of medium-hard town water) (conventional is about 20 ℃ of room temperature) under any required detected temperatures reaches balance.Before adding 1 premium on currency, at first the SAS particle is joined among the Terg-O-Tometer.In single job, can handle 4～5 samples simultaneously.
In Terg-O-Tometer, the rotating speed that changes with per minute 50 stirred the SAS particle 10 minutes.Last in agitation phases by the standard imbibition of the air-breathing vacuum of water, is poured on whole samples to be covered with on the B of the black test fabric " C70 " that can have been bought by EMC.With the water 500mL flushing Terg-O-Tometer that has same rigidity and temperature in addition, and make leacheate flow through fabric on the B.
After the filtration, be set in dry black fabric in 49 ℃～60 ℃ baking ovens in the scope with temperature.Determine the progression of appearance of fabrics then with appearance method, scope is 1～10 grade, and 10 grades is the poorest, promptly has the most insoluble SAS particle on fabric, and 1 grade is best.
If desired, can use a kind of reliable method.In this detection method, under vacuum, the solution that comes out by the plain filter paper vacuum filtration of 1 micrometer fibers Terg-O-Tometer.Use industrial standards 2-phase then, Hyamine The concentration of the solution that/mixture indicator method, titration obtain.Hyamine can have been bought by the Sigma chemical company.
In an other method, can use so-called " cat-SO 3" volumetry ".In this technology, handle the sample 1 minute of the water washing liquid contain SAS (or allocating the SAS detergent composition entirely), and filter with 0.45mm nylon filter paper HPLC.Under the situation that the negatively charged ion indicator dye exists,, as explained above then with Hyamine titration filtrate.Measure the amount that is not dissolved in the SAS in the aqueous solution thus.
SAS particle by method preparation of the present invention demonstrates improved solubleness, i.e. 10 minutes solubleness in water, it is typically the about 6X of the about 4X-of particle times that non-the inventive method prepares, especially under the wash temperature of cold (about 5 ℃) or cool (15 ℃-45 ℃).Change a kind of saying, particle of the present invention in about 10 minutes at least about 70%, typical case about 90%～about 100% be dissolved in cold or cold water in, but not the particle of method of the present invention preparation, it only has the 20%-30% dissolving under the same conditions.Formulation component
With the complete-allotment granular detergent composition of SAS granules preparation of the present invention, other the various formulation component and processing materials that can provide auxiliary cleaning and fabric to protect benefit, cosmetic benefits are provided the typical case.Be the limiting examples that the typical case is used for this class component of business practice of the present invention below, it especially provides high-quality fabric laundry detergent composition.
Thereby washing assistant-detergent builders can randomly be contained in composition of the present invention helps to control hardness of minerals.Inorganic and organic washing-assisting detergent can use.Thereby washing assistant typically is used for the fabric laundry composition assists in removing granular dirt.
The content of washing assistant can be according to the end-use of composition and his desirable appearance and wide variation.When composition existed, it typically comprised the washing assistant at least about 1%.That granular preparation preferably includes is about 10%～and about 80%, 15%～about 50% (total amount) detergent builders more preferably from about.But, do not get rid of yet and comprise lower or more high-load washing assistant.
Inorganic or contain basic metal, ammonium, the alkyl group alcohol amine salt that the P detergent builders comprises Tripyrophosphoric acid (for example tripolyphosphate, tetra-sodium and glass polymerization metaphosphoric acid), phosphonic acids, phytinic acid, silicic acid, carbonic acid (comprising supercarbonate and sesquicarbonate), sulfuric acid and silicoaluminate, but be not restricted to this.But, need use nonphosphate builders in certain areas.Composition importantly of the present invention in addition so-called " weak " washing assistant (comparing) with phosphoric acid salt for example Citrate trianion in the presence of, or " help and wash deficiency " under the situation and can very play effectiveness astoundingly in the what is called of using zeolite or layered silicate to take place.
The example of silicate-like builder is an alkalimetal silicate, particularly SiO 2: Na 2The ratio of O is 1.6: 1～3.2～1 those and layered silicate, for example is disclosed in the lamina sodium silicate in the United States Patent (USP) 4,664,839 that licensed to H.P.Rieck on March 12nd, 1987.NaSKS-6 is a kind of trade mark (being abbreviated as " SKS-6 " in the present invention usually) of the crystalline layered silicate that can obtain from Hoechst.Different with zeolite builders, the NaSKS-6 silicate-like builder does not contain aluminium.NaSKS-6 has the Δ-Na of layered silicate 2SiO 5Form.It can be by for example being disclosed in those method preparations among DE-A-3417649 and the DE-A-3742043.SKS-6 is a kind of particularly preferred layered silicate of the present invention that is used for, but other this type of layered silicate, and for example general formula is NaMSi XO 2X-1.yH 2Those of O, wherein M is sodium or hydrogen, X is 1.9～4 number, preferred 2 and y be 0～20 number, preferred 0 also can be used among the present invention.Other various layered silicates that obtain from Hoechst comprise α, NaSKS-5, NaSKS-7 and the NaSKS-11 of β and γ form.As explained above, Δ-Na 2SiO 5(NaSKS-6 type) be most preferably be used for of the present invention.Also can use for example Magnesium Silicate q-agent of other silicate, it can be used as the component in crisp dose of granular preparation, oxygen bleaching stablizer and the foam control system and works.
The example of carbonate builders is alkaline-earth metal and the alkaline carbonate that is disclosed in the German patent application of authorizing on November 15th, 1973 numbers 2321601.
The silico-aluminate washing assistant is suitable in the present invention.In the most salable heavy dirt granular detergent composition, silico-aluminate is important.The silico-aluminate washing assistant comprises the chemical formula that sees service:
M z(zAlO 2) y] .xH 2Those of O, wherein z and y are for being 6 integer at least, the mol ratio of z and y is 1.0～about 0.5; With x be about integer of 15～about 264.
The silico-aluminate ion exchange material that is suitable for can have been bought on market.These silico-aluminates structurally can be crystallizations or unformed and can be the silico-aluminate or the synthetic deutero-of natural generation.A kind of method of producing the silico-aluminate ion exchange material is disclosed in the United States Patent (USP) 3,985,669 that licensed to people such as Krummel on October 12nd, 1976.Commercially availablely be applicable to that preferably the title of synthetic crystallization silico-aluminate ion exchange material of the present invention is zeolite A, zeolite P (B), zeolite MAP and X zeolite.In a kind of particularly preferred embodiment, the chemical formula of crystal aluminosilicate is:
Na 12[(AlO 2) 12(SiO 2) 12] .xH 2O wherein x is about 20～about 30, especially preferably about 27.This material is that people are known as zeolite A.Anhydrous zeolite (x=0～10) also can be used for the present invention.Preferably, the particle size of silico-aluminate is about 0.1～10 micron an of diameter.
Be applicable to that organic detergent washing assistant of the present invention comprises multiple polycarboxylic acid salt compound, but be not restricted to this.When being used for when of the present invention, " polycarboxylate " is meant the compound with multi-carboxylate's group, preferably has at least three carboxylate groups.The polycarboxylate washing assistant joins in the composition with the form of acid usually, but also can add with the form of neutralized salt.When using with the form of salt, basic metal for example sodium, potassium and lithium or alkanol amine salt is preferred.
Multiple suitable material is contained in the polycarboxylate washing assistant.Important a kind of polycarboxylate washing assistant comprises polycarboxylic acid ether, it comprises the United States Patent (USP) 3 to people such as Lamberti that is disclosed in the United States Patent (USP) mandate on January 18th, 3,128,287 and 1972 that licensed to Berg in 1964, oxygen di-succinate in 635,830.Also license to " TMS/TDS " washing assistant in people's such as Bush the United States Patent (USP) 4,663,071 referring on May 5th, 1987.The polycarboxylate ether that uses also comprises ring compound, particularly alicyclic compound, for example is disclosed in United States Patent (USP) 3,923,679; 3,835,163; 4,158,635; In 4,120,874 and 4,102,903 those.
Other detergent component that is suitable for comprises the multipolymer, 1 of hydroxyl polycarboxylic acid's ether, maleic anhydride and ethene or vinyl methyl ether, 3,5-trihydroxybenzene-2,4-trisulfonic acid and carboxymethyl oxysuccinic acid and polyacetic acid be various basic metal, ammonium and the substituted ammonium salt of ethylenediamine tetraacetic acid (EDTA) and nitrilotriacetic acid(NTA) (" NTA ") for example, and poly carboxylic acid for example mellitic acid, succsinic acid, oxygen di-succsinic acid, polymaleic acid, benzene 1,3,5-tricarboxylic acid, carboxymethyl oxysuccinic acid and its soluble salt.
The Citrate trianion washing assistant can be used in the granular composition, especially is used in combination with zeolite and/or layered silicate washing assistant.Oxygen di-succinate also is applicable to this composition and is used in combination.
Be disclosed in the United States Patent (USP) 4,566,984 that licensed to Bush on January 28th, 1,986 3,3-dicarboxyl-4-oxa--1,6-adipate and related compound also are applicable in the detergent composition of the present invention.The succsinic acid washing assistant that is suitable for comprises C 5-C 20Alkyl and alkenyl succinic acid and its salt.A kind of particularly preferred this compounds is the dodecenyl succinic succsinic acid.The specific examples of succinate washing assistant comprises: lauryl succinate, myristyl succinate, palmityl succinate, 2-dodecenyl succinic succinate (preferably), 2-15 carbene base succinates etc.The lauryl succinate is the preferred washing assistant in this type of washing assistant, and is disclosed in the european patent application 86200690.5/0,200,263 of authorizing on November 5th, 1986.
Other multi-carboxylate who is suitable for is disclosed in and licenses in the United States Patent (USP) 3,308,067 of Diehl in the United States Patent (USP) 4,144,226 and on the March 7th, 1967 that licensed to people such as Crutchfield on March 13rd, 1979.Also can be referring to the United States Patent (USP) 3,723,322 of Diehl.
Lipid acid, for example C 12-C 18Monocarboxylic acid also can be incorporated in the composition separately, or is used in combination with above-mentioned washing assistant especially citric acid hydrochlorate and/or succinate washing assistant, thereby additional washing assistant function is provided.Use lipid acid to cause reducing forming process usually like this, it should be subjected to the attention of formulator.
Under using based on the situation of the washing assistant of phosphorus and especially the preparation bar is used to hand-wash under the situation that clothing operates, and can use for example known tripoly phosphate sodium STPP of alkali metal phosphate, trisodium phosphate and sodium orthophosphate.Also can use for example ethyl-1-hydroxyl-1 of phosphonate washing assistant, 1-diphosphonate and other known phosphonate (referring to, for example United States Patent (USP) 3,159, and 581; 3,213,030; 3,422,021; 3,400,148 and 3,422,137).
Thereby enzyme-endonuclease capable is contained in the fabric laundry purpose that reaches multiple in the preparation of the present invention, and it comprises the removal based on the dirt of protein, sugar or triglyceride level, for example and stop the transfer of unstable dyestuff and the recovery of fabric.This enzyme comprises proteolytic enzyme, amylase, lipase, cellulase and peroxidase and its mixture.The enzyme that also can comprise other type.They have suitable any source, for example vegetables, animal, bacterium, mould and yeast source.But their selection by several factors for example pH-activity and/or light stability, thermostability, the stability of activated detergent, washing assistant etc. is determined.In this regard, bacterium or fungous enzyme are preferred, for example bacterial amylase and proteolytic enzyme and mould cellulase.
The amount that enzyme adds usually is to be enough to provide the about 5mg of every gram composition (weight), the more preferably from about organized enzyme of 0.01mg～about 3mg.Unless stated otherwise, that composition typical case of the present invention comprises is about 0.001%～about 5%, the commercial enzyme preparation of preferred 0.01%～3% (total amount).In such commercial formulation, the amount of proteolytic enzyme existence is enough to provide the activity of every gram composition 0.005～0.1Anson unit (AU) usually.
The example of suitable proteolytic enzyme is the subtilysin from special B withered grass and the acquisition of licheniformin bacterial strain.Other suitable proteolytic enzyme obtains from the Bacillus bacterial strain, and its activity in the scope of pH8-12 is the highest, and by Novo industry A/S company's exploitation and sale, registered trademark is ESPERASE.This enzyme and being disclosed in zymoid preparation in the british patent specification numbers 1,243,784 of Novo.The commercial removal that is applicable to that obtains comprises those that Novo industry A/S company (Denmark) sells with trade mark MAXATASE with trade mark ALCALASE and SAVINASE and international biology-Synesis Company (Holland) based on the proteolytic enzyme of the dirt of protein.Other proteolytic enzyme comprises that protease A is (referring to the european patent application 130 of authorizing on January 9th, 1985,756) and proteolytic enzyme B (referring to the European patent application serial of submitting on April 28th, 1,987 87303761.8, european patent application 130,756 with the people such as Bott that published on January 9th, 1985)
Amylase comprises the α that for example is disclosed among british patent specification number 1,296,839 (Novo)--the RAPIDASE of amylase, the world-Synbiotics AB and the TERMAMYL of Novo industrial.
Be applicable to that cellulase of the present invention comprises bacterium and mould cellulase.Preferably, their best pH is 5～9.5.The plain enzyme of useful fiber is disclosed in the United States Patent (USP) 4 that licensed to people such as Barbesgoard on March 6th, 1984,435, in 307, this patent disclosure the mould cellulase produced from Humicolainsolens and Humicola strain DSM 1800 or belong to that Aeromonas belongs to, the mould of production of cellulose enzyme 212, and the cellulase (Dolabella Auricula Solander) that extracts from the liver pancreas of extra large mollush.The plain enzyme of useful fiber also is disclosed in GB-2.075.028; Among GB-A-2.095.275 and the DE-OS-2.247.832.CAREZYME (Novo) especially is suitable for.
The lipase that is applicable to the washing composition purposes comprises from those of pseudomonas group's microorganisms producing, for example is disclosed in English Patent 1,372, the pseudomonas srutzeri ATCC19.254 in 034.Also referring on February 24th, 1978 to the disclosed Japanese patent application 53,20487 of the public.This lipase can obtain from Japanese Nagoya Amano Pharmaceutical Co.Ltd., and trade mark is lipase P " Amano ", hereinafter is appointed as " Amano-P ".Other lipase that is suitable for comprises Amano-CES, the lipase that comes from Chromobacter viscoum, for example, be suitable for the commercial var.lipolyticum NRRLB 3673 that obtains by Japanese Tagata Toyo Jozo Co., Chromobacter viscoum lipase that can obtain and the lipase that derives from pseudomonas gladioli in addition from the U.S. Biochemics Inc. and the Dutch Disoynt Co. of the U.S..Deriving from Humicola lanuginosa and the commercial LIPOLASE enzyme that obtains from Novo (also referring to EPO 341,947) is a kind of preferred in the present invention lipase that uses.
Peroxidase can be used in combination with for example oxygen sources such as percarbonate, perborate, persulphate, hydrogen peroxide.They promptly stop dyestuff or the pigment removed in the washing soln to be transferred on another substrate from a kind of substrate in washing operation as " solution bleaching ".Peroxidase is well known in the art, and for example comprises for example chloro-and bromo-peroxidase of horseradish peroxidase, lignoenzyme and halo peroxidase.The detergent composition that contains peroxidase is disclosed in the PCT International Application No. WO 89/099813 of the O.Kirk that for example licenses to the A/S of Novo company, publication on October 19th, 1989.
The scope of enzyme material and they are incorporated into the method in the synthetic detergent composition, also are disclosed in the United States Patent (USP) 3,553,139 that licensed to people such as McCarty on January 5th, 1971.Enzyme is disclosed in addition and licenses in the United States Patent (USP) 4,507,219 of Hughes United States Patent (USP) 4,101,457 and on the March 26th, 1985 that July 18 in 1978, the people licensed to people such as McCarty.The enzyme material that is used for detergent formulations is disclosed in the United States Patent (USP) 4,261,868 that licensed to people such as Hora on April 14th, 1981 with the method that they are incorporated into these preparations.It is stable to be used in the enzyme of washing composition by various technology.The enzyme stabilization technique discloses and is illustrated in and licenses in the european patent application publication number 0 199 405 and application number 86200586.5 of Venegas in the United States Patent (USP) 3,600,319 and on the October 29th, 1986 that licensed to people such as Gedge on August 17th, 1971.The enzyme stabilising system for example also is disclosed in the United States Patent (USP) 3,519,570.
Thereby enzyme stabilizers-be applied to enzyme of the present invention can by in final composition, add can to enzyme provide ion make its stable calcium and/water-soluble sources of magnesium ion.(calcium ion is more effective than magnesium ion usually, and if when only using a kind of positively charged ion calcium ion be preferred.) disclosed various stablizers provide additional stabilization, especially borate family in this field by adding: referring to the United States Patent (USP) 4,537,706 of Severson.Typical washing composition comprise every kilogram of final composition about 5～about 30, preferred about 2～about 20, the calcium ion of 5～about 15 and most preferably from about 8～about 12 mmoles more preferably from about.This according to the amount of enzyme and it to calcium ion or magnesium ion response and change to some extent.The amount of selected calcium ion or magnesium ion should be able to make its in composition with complexings such as washing assistant, lipid acid after, minimum amount is always arranged for enzyme.Any water miscible calcium or magnesium salts can use as calcium ion or magnesium ion source, and it comprises calcium chloride, calcium sulfate, calcium malate, calcium maleate, calcium hydroxide, calcium formiate and lime acetate and corresponding magnesium salts.Because also there is a spot of calcium ion in the cause of the calcium in enzyme slurry and the prescription water, normally every kilogram of about 0.05～about 0.4 mmole usually in composition.In solid detergent composition,, preparation in washing liquid, provides such amount calcium ion concn thereby can comprising the water-soluble calcium ion source of capacity.In addition, natural water hardness is enough.
The calcium ion and/or the magnesium ion that have been clear that above amount are enough to provide the enzyme stabilization.Can in composition, add more calcium and/or magnesium ion and remove performance so that additional measurable grease to be provided.In addition, as the suggestion of a routine, composition of the present invention will typically comprise the about 0.05%～calcium ion of about 2% (total amount) and/or the water-soluble salt of magnesium ion.Certainly, this amount changes along with the amount of the enzyme that uses in the composition and type.
Composition of the present invention also can be randomly, but preferably contain various additional stabilizers, especially the borate type stablizer.Typically, the consumption of this stablizer in composition is about 0.25%～about 10%, preferred about 0.5%～about 5%, more preferably from about 0.75%～about 3% (total amount) boric acid or other can form the borate compound (is basic calculation with boric acid) of boric acid in composition.Though other compound for example boron oxide, borax and other alkali metal borate (for example adjacent-,-, sodium pyroborate and sodium pentaborate) be suitable for, boric acid is preferred.The boric acid (for example phenyl-boron dihydroxide, fourth boric acid and right-bromophenyl boric acid) that replaces also can replace boric acid to use.
Bleaching compounds-SYNTHETIC OPTICAL WHITNER and bleach-activating agent-detergent composition of the present invention can randomly comprise SYNTHETIC OPTICAL WHITNER or contain a kind of SYNTHETIC OPTICAL WHITNER and the bleaching composition of one or more bleach-activating agents.When SYNTHETIC OPTICAL WHITNER exists, its content be preferably account for detergent composition weight about 1%～about 30%, more preferably 5%～about 20%, especially for the fabric laundry.If bleach-activating agent exists, its content be preferably account for the whitener composition weight that comprises SYNTHETIC OPTICAL WHITNER and bleach-activating agent about 0.1%～about 60%, more preferably from about 0.5%～about 40%.
Fabric cleaning, hard surface cleaning known now or will known cleaning purpose in, being used for SYNTHETIC OPTICAL WHITNER of the present invention can be any SYNTHETIC OPTICAL WHITNER that is applicable to detergent composition.These materials comprise oxygen bleaching agent and other SYNTHETIC OPTICAL WHITNER.Perborate, for example, Sodium peroxoborate (for example single-or four-hydration) can be used among the present invention.
The another kind of SYNTHETIC OPTICAL WHITNER that can use without restriction comprises percarboxylic acids SYNTHETIC OPTICAL WHITNER and its salt.The suitable example of this class reagent comprises the magnesium salts of six hydration monoperphthalic acid magnesium, m-chlorobenzoic acid, 4-nonyl amine base-4-oxygen connection Perbutyric Acid and diperoxy dodecylic acid.This SYNTHETIC OPTICAL WHITNER is disclosed in the United States Patent (USP) 4 that on November 20th, 1984 licensed to Hartman, 483,781, the people's such as Burns that submitted on June 3rd, 1985 U.S. Patent application 740,446, the people's such as Banks that published on February 20th, 1985 european patent application 0,133,354 and license to November 20 nineteen eighty-three in people's such as Chung the United States Patent (USP) 4,412,934.Extremely preferred SYNTHETIC OPTICAL WHITNER comprises that also 6-amino in the ninth of the ten Heavenly Stems-6 oxygen joined oxy hexanoic acid in the United States Patent (USP) 4,634,551 that licensed to people such as Burns on January 6th, 1987 as being disclosed in.
Also can use peroxygen bleach.The peroxy bleaching compound that is suitable for comprises " SPC-D " SYNTHETIC OPTICAL WHITNER, hydration peroxide trisodium phosphate, hydration peroxide urea and the sodium peroxide of hydration sodium carbonate peroxide and equivalence.Also can use the persulphate SYNTHETIC OPTICAL WHITNER OXONE of Du Pont's commercial production (for example, by).
A kind of preferred percarbonate bleach comprises dried particles, this particulate average particle size particle size is about 500 microns～about 1,000 micron, the said particulate size that is no more than about 10% (total amount) is lower than about 200 microns and the said particulate size that is no more than about 10% (total amount) and is lower than about 1,250 micron.Randomly, the enough silicate of percarbonate energy, borate or water soluble surfactant active apply.Percarbonate can for example FMC, Solvay and Tokai Denka obtain from various commercial sources.
Also can use the SYNTHETIC OPTICAL WHITNER mixture.
Peroxygen bleach, perborate, percarbonate etc. preferably are used in combination with bleach-activating agent, and it will cause producing on the spot the peroxy acid corresponding with bleach-activating agent in the aqueous solution (promptly in washing process).The various limiting examples of activator are disclosed in the United States Patent (USP) 4,915,854 and United States Patent (USP) 4,412,934 that licenses to people such as Mao April 10 nineteen ninety.Nonanoyl oxygen biphenyl sulfonate (NOBS) and tetraacetyl ethylene diamine (TAED) activator are typical activators and also can use its mixture.For being used for other typical SYNTHETIC OPTICAL WHITNER of the present invention and activator, also can be referring to United States Patent (USP) 4,634,551.
It is extremely preferred that acid amides-bleach-activating agent of deriving is that chemical formula is:
R 1N (R 5) C (O) R 2C (O) L or R 1C (O) N (R 5) R 2Those of C (O) L, wherein R 1Be the alkyl that contains 6～about 12 carbon atoms of having an appointment, R 2Be the thiazolinyl that contains 1～about 6 carbon atoms, R 5Be that H or alkyl, aryl or the alkaryl that contains 1～about 10 carbon atoms of having an appointment and L are any suitable leavings groups.Leavings group is owing to cross hydrolysis negatively charged ion nucleophilic attack bleach-activating agent, and on bleach-activating agent substituted any group.A kind of preferred leavings group is a benzene sulfonate.
The preferred embodiment of the bleach-activating agent of top chemical formula comprises (6-octylame base-caproyl) oxygen biphenyl sulfonate, (6-nonyl amine base caproyl) oxygen biphenyl sulfonate, (6-decyl amine base-caproyl) oxygen biphenyl sulfonate; with its mixture; it is disclosed in United States Patent (USP) 4; 634; in 551, be incorporated herein by reference among the present invention.
Another kind of bleach-activating agent comprises benzoxazine type activator, and it is disclosed in the United States Patent (USP) 4,966,723 that licenses to people such as Hodge October 30 nineteen ninety, is incorporated herein by reference among the present invention.A kind of preferred benzoxazine type activator is:
Figure C9719447400231
Another kind of preferred bleach-activating agent comprises that also aryl lactan activator, especially chemical formula are
Figure C9719447400232
Aryl hexanolactam and aryl Valerolactim, wherein R 6Be H or alkyl, aryl, alkoxy aromatic yl or the alkaryl that contains 1～about twelve carbon atom.Preferred lactan activator comprises benzoyl caprolactam, capryloyl hexanolactam, 3; 5; 5-trimethyl acetyl base hexanolactam, nonanoyl hexanolactam, decanoyl hexanolactam, undecanoyl hexanolactam, benzoyl Valerolactim, capryloyl Valerolactim, decanoyl Valerolactim, undecanoyl hexanolactam, nonanoyl hexanolactam, 3; 5,5-trimethyl acetyl base valeramide and its mixture.Also can license to the United States Patent (USP) 4,545,784 of Sanderson referring on October 8th, 1985, be incorporated herein by reference among the present invention, it discloses the aryl hexanolactam, and this aryl hexanolactam comprises the benzoyl caprolactam that is adsorbed on the Sodium peroxoborate.
The SYNTHETIC OPTICAL WHITNER that is different from oxygen bleaching agent also is known in the art and can be used among the present invention.One class non-oxygen bleaching agent of specific benefits comprises photoactivation SYNTHETIC OPTICAL WHITNER for example sulfonic acid zinc and/or phthalein mountain valley with clumps of trees and bamboo aluminium.License to people's such as Holcombe United States Patent (USP) 4,033,718 referring on July 5th, 1977.If use SYNTHETIC OPTICAL WHITNER, detergent composition will typically contain this type of SYNTHETIC OPTICAL WHITNER, especially the phthalein mountain valley with clumps of trees and bamboo sulfonic acid zinc of 0.025%～about 1.25% (total amount) of having an appointment.
If desired, can pass through magnesium compound catalytically bleaching agent composition.This compound is known in the art and comprises and for example be disclosed in United States Patent (USP) 5,246,621, United States Patent (USP) 5,244,594; United States Patent (USP) 5,194,426; United States Patent (USP) 5,114,606; With european patent application publication number 549,271A1,549,272, A1,544,440, A2 and 544, the catalyzer among the 490A1 based on magnesium.The preferred embodiment of these catalyzer comprises Mn IV 2(u-O) 3(1,4,7-trimethylammonium-1,4,7-three azabicyclononanones) 2(PF 6) 2, Mn III 2(u-O) 1(u-OAC) 2(1,4,7-trimethylammonium-1,4,7-three azabicyclononanones) 2(ClO 4) 2, Mn IV 4(u-O) 6(1,4,7-three azabicyclononanones) 4(ClO 4) 4, Mn IIIMn IV 4(u-O) 1(u-OAC) 2-(1,4,7-trimethylammonium-1,4,7-three azabicyclononanones) 2(ClO 4) 3,, Mn IV(1,4,7-trimethylammonium-1,4,7-three azabicyclononanones)-(OCH 3) 3(PF 6) and its mixture.Other bleaching catalyst based on metal comprises and is disclosed in United States Patent (USP) 4,430,243 and United States Patent (USP) 5,114,611 in those.Use the ligand of magnesium and various complexity also to be reported in following United States Patent (USP) for strengthening bleaching effect: 4,728,455; 5,284,944; 5,246,612; 5,256,779; 5,280,117; 5,274,147; In 5,153,161 and 5,227,084.
As a kind of practicality and be not subjected to the restriction method, the compositions and methods of the invention can be conditioned, thereby in water washing liquor, provide 1/10,000,000 chemical bleaching catalyzer, and in washing liquid, preferably provide about 0.1ppm～about 700ppm, the more preferably from about catalyzer of 1ppm～about 500ppm.
The known any polymkeric substance soil releasing agent of scientific and technical personnel in polymkeric substance soil releasing agent-this area can randomly be used for the compositions and methods of the invention.The polymkeric substance soil releasing agent is characterised in that to have hydrophilic segment, thereby make for example surperficial possess hydrophilic property of polyester and nylon of hydrophobic fibre, hydrophobic parts then can be deposited on the hydrophobic fibre and keep adhering to shape by washing and rinsing step by step on fiber, and it can be used as the dependence thing of hydrophilic segment and works like this.This makes the stain easier cleaning in the postorder washing process after soil releasing agent is handled.
Be used for polymkeric substance soil releasing agent of the present invention and comprise that especially those have: (a) one or more nonionic hydrophilic components, basically by forming as the lower section: (i) polymerization degree is at least 2 polyoxyethylene part, or (ii) propylene oxide or the polymerization degree are 2～10 polyoxytrimethylene part, wherein said hydrophilic segment does not comprise any propylene oxide unit, unless it is bonded on the adjacent part by ehter bond at least significant end, or (iii) comprise the mixture of oxyalkyl units and 1～about 30 propylene oxide units of ethylene oxide, wherein said mixture contains the ethylene oxide unit of q.s, thereby make hydrophilic segment have enough big wetting ability, thereby improve the lip-deep soil releasing agent settling of traditional polyethylene terephthalate in this surperficial wetting ability, said hydrophilic segment preferably includes at least about 25% ethylene oxide unit and more preferably, especially for this part that contains 20～30 propylene oxide units of having an appointment, the ethylene oxide unit at least about 50%; Or (b) one or more hydrophobic parts, it comprises (i) C 3Oxyalkylene group terephthalic acid ester moiety, if wherein said hydrophobic components also comprises the ethylene oxide terephthalate, ethylene oxide terephthalate and C so 3The ratio of oxyalkylene terephthalate unit is about 2: 1 or lower, (ii) C 4-C 6Alkane thiazolinyl or oxidation C 4-C 6Alkenyl part, or its mixture, (iii) the polymerization degree is at least poly-(vinyl acetate) part of 2, preferred polyvinyl acetate, or (iv) C 1-C 4Alkyl oxide or C 4Hydroxyalkyl ether substituent, or its mixture, wherein said substituent is with C 1-C 4Alkyl oxide or C 4The form of hydroxyalkyl ether derivatived cellulose or its mixture exists, and this derivatived cellulose is amphipathic, and they contain the C of q.s thus 1-C 4Alkyl oxide and/or C 4The hydroxyalkyl ether unit, thereby be deposited on the surface of traditional polyethylene terephthalate, in case and it is bonded on the surface of these traditional synthon, thereby still can keep the hydroxyl of capacity to improve the wetting ability of fiber surface, or have (a) and soil releasing agent (b) simultaneously.
Though can use higher amount, typically, (a) polymerization degree of the polyoxyethylene of (i) part is about 200, preferred about 3～about 150, and more preferably from about 6～about 100.Suitable oxygen C 4-C 6The thiazolinyl hydrophobic part includes but not limited to, the polymkeric substance soil releasing agent of end closure, for example MO 3S (CH 2) nOCH 2CH 2O -, wherein M is that sodium and n are the integers of 4-6, as is disclosed in the United States Patent (USP) 4,721,580 that licensed to Gosselink on January 26th, 1988.
Be used for polymkeric substance soil releasing agent of the present invention and also comprise for example copolymer block etc. of hydroxy ethers cellulose polymer compound, ethylene terephthalate or terephthalic acid propylene glycol ester and polyethylene oxide or poly(propylene oxide) of derivatived cellulose.This reagent commerce can obtain, and comprises for example METHOCEL (Dow) of cellulosic hydroxy ethers.Being used for Mierocrystalline cellulose soil releasing agent of the present invention also comprises and is selected from C 1-C 4Alkyl and C 4Those of hydroxy alkyl cellulose; License to people's such as Nicol United States Patent (USP) 4,000,093 referring on December 28th, 1976.
With poly-(vinyl acetate) hydrophobic part is that the soil releasing agent of feature comprises the graft copolymer of poly-(vinyl acetate), for example C 1-C 6Vinyl acetate preferably is grafted to the polyalkylene oxide skeleton, for example poly-(vinylacetate) on the polyethylene oxide skeleton.European patent application 0 219 048 referring to the people such as Kud that published on April 22nd, 1987.This soil releasing agent that commerce obtains comprises SOKALAN type material, for example the SOKALAN HP-22 that obtains from BASF (West Germany).
A kind of preferred soil releasing agent type is to have the multipolymer of ethylene terephthalate and polyethylene oxide (PEO) terephthalate random block.The molecular weight of polymkeric substance soil releasing agent is about 25,000～about 55,00.Licensed to the United States Patent (USP) 3,893,929 of Basadur on July 8th, 3,959,230 and 1975 referring to the United States Patent (USP) that licensed to Hays on May 25th, 1986.
Another preferred polymkeric substance soil releasing agent is the polyester that contains the ethylene terephthalate repeating unit, it contains the ethylene terephthalate of 10-15% (total amount) and the molecular-weight average of 90-80% (total amount) is 300-5,000 the terephthalic acid polyoxyethylene ester units that is derived from polyoxyethylene glycol.The example of this polymkeric substance comprises material ZELCON5126 (Du Pont) and the MILEASE T (ICI) that commerce obtains.Also can license to the United States Patent (USP) 4,702,857 of Gosselink referring on October 27th, 1987.
Another preferred polymkeric substance soil releasing agent is the sulfonated products that is essentially the ester oligomer of straight chain, and it comprises the oligomer ester skeleton of terephthaloyl and oxyalkylene group oxygen repeating unit and to be covalently bound to the terminal portions on the skeleton.These soil releasing agents all are disclosed in the United States Patent (USP) 4,968,451 that licenses to J.J.Scheibel and E.P.Gosselink November 6 nineteen ninety.Other suitable polymer blend soil releasing agent comprises 1987 12 days and licenses to people's such as Gosselink United States Patent (USP) 4,711, poly-terephthalate in 730, licensed to the United States Patent (USP) 4 of Gosselink on January 26th, 1988,721, the oligomer ester of the negatively charged ion end closure in 580 and licensed to block oligomer ester compound in the United States Patent (USP) 4,702,857 of Gosselink on October 27th, 1987.
Preferred polymkeric substance soil releasing agent also comprises soil releasing agent in the United States Patent (USP) 4,877,896 that licensed to people such as Maldonado on October 31st, 1989, and it discloses the especially terephthalate of sulphur aroyl end closure of negatively charged ion.
Also having another preferred soil releasing agent is to have terephthaloyl unit, the different terephthaloyl of sulfonation unit, oxyethylene group oxygen and oxygen-1, the oligopolymer of the repeating unit of 2-propylene units.Repeating unit forms the skeleton of oligopolymer and preferably uses the isethionic acid end group sealing of modification.A kind of particularly preferred this type soil releasing agent comprises that an about sulfonation isophthaloyl base unit, 5 terephthaloyl unit, ratios are about 1.7～about 1.8 oxyethylene group oxygen and oxygen-1; the end closure unit of 2-propenyl oxygen unit and two 2-(2-hydroxyl-oxethyl)-ethylsulfonic acid sodium.Said soil releasing agent also comprises the stablizer that accounts for about 0.5%～about 20% the crystallization reduction of oligopolymer weight, and it is preferably selected from xylyl sulfonate, cumenyl sulfonate, toluenesulfonate and its mixture.
If the use soil releasing agent, it generally includes (total amount) detergent composition of the present invention of about 0.01%～about 10.0%, be typically about 0.1%～about 5%, be preferably about 0.2%～about 3.0%.
Dye transfer inhibitor-composition of the present invention can comprise that one or more effectively suppress dyestuff and transfer to material on another fabric from a kind of fabric in cleaning process.Usually, this dye transfer inhibitor comprises multipolymer, phthalein mountain valley with clumps of trees and bamboo magnesium, peroxidase and its mixture of polyvinyl pyrrolidone polymers, polyamines N-oxypolymer (polyamine N-oxide polymers), N-vinyl pyrrolidone and N-vinyl imidazole.If use these reagent, it typically comprises about composition of 0.01%～about 10% (total amount), preferred about 0.01%～about 5% and more preferably from about 0.05%～about 2%.
More specifically, be preferred for polyamines N-oxypolymer of the present invention and contain the unit with following structural formula: R-Ax-P, wherein P goes above the N-O group can be attached to or the N-O group can form a part of polymerizable unit or the N-O group can be attached to the polymerizable unit that this Unit two gets on; A is one of them of following structural :-NC (O)-and ,-C (O) O-,-S-,-O-,-N=; X is 0 or 1; With R be that the nitrogen of aliphatics, ethoxylated fat family, aromatic series, heterocycle family or alicyclic group or N-O base can combine with it or the N-O base is any combination thereof of these group parts.Preferred amine N-oxypolymer is that R is that heterocyclic group is rolled into a ball those of for example pyridine, pyrroles, pyrrolidone, tetramethyleneimine, piperidines and its derivative.
The N-O group has following general formula to represent: R wherein 1, R 2, R 3Be aliphatics, aromatic series, heterocycle family or alicyclic group or its binding substances; X, y, z are 0 or 1; And the nitrogen of N-O base can be attached to the part that maybe can form any above-mentioned group on the above-mentioned group.The unitary pKa of amine oxide＜10 of amine N-oxypolymer, preferred pKa＜7, more preferably pKa＜6.
As long as the amine oxide polymers that forms is water miscible and any polymkeric substance with dye transfer rejection all can be used as skeleton and uses.The example of suitable polymer blend skeleton is polyethylene, polyalkylene, polyester, polyethers, polymeric amide, polyimide, polyacrylic ester and its mixture.These polymkeric substance comprise random or segmented copolymer, and wherein a kind of monomer type is that amine n-oxide and other monomer type are the N-oxide compounds.In the amine N-oxypolymer ratio of amine and amine oxide be typically 10: 1～about 1: 1,00,000.But the number that the amine oxide group exists in the amine oxide polymers can change along with the right or suitable N-oxidisability of suitable copolymerization.Can access the almost amine oxide polymers of any polymerization degree.Typically, the molecular-weight average of amine oxide polymers is 500～1,000,000; More preferably 1,000～500,000; Most preferably 5,000～100,000.This type of preferred substance is designated as " PVNO ".
The most preferably amine N-oxypolymer that is used for the present composition is poly-(4-vinylpridine-N-oxygen), its molecular-weight average be about 50,000 and the ratio of amine and amine oxide be about 1: 4.
The multipolymer of N-vinyl pyrrolidone and N-vinyl imidazole (being called " PVPVI " class) also be preferred for of the present invention.Preferably, the molecular-weight average of PVPVI is 5,000～1,000,000, more preferably 5,000～200,000 and most preferably be 10,000～20,000.(by the determination of light scattering molecular-weight average, as be disclosed in people such as Barth and be published in chemical analysis, in " modernisms of polymer characterization " on 113 volumes, this article is introduced among the present invention as a reference.) in the PVPVI multipolymer mol ratio of N-vinyl imidazole and N-vinyl pyrrolidone be typically 1: 1～0.2: 1, more preferably 0.8: 1～0.3: 1, most preferably 0.6: 1～0.4: 1.These multipolymers are straight or brancheds.
Composition of the present invention also can use molecular-weight average for about 5,000～about 4,00,000, be preferably about 5,000～about 200,000 and more preferably from about 5,000～about 50,000 Polyvinylpyrolidone (PVP) (" PVP ").The PVP class is known for the scientific and technical personnel of detergent applications; Referring to for example EP-A-262,897 and EP-A-256,696, it introduces the present invention as a reference.The composition that contains PVP also can comprise molecular-weight average be about 500～about 100,000, be preferably about 1,000～about 10,000 polyoxyethylene glycol (" PEG ").Preferably, PEG that calculates with the ppm level in washings and the ratio of PVP are about 2: 1～about 50: 1 and more preferably from about 3: 1～about 10: 1.
Detergent composition of the present invention also can randomly contain the specific type hydrophilic white dyes of 0.005%～about 5% (total amount) of having an appointment, and it also provides the dye transfer restraining effect.If use this white dyes, composition of the present invention preferably includes this white dyes of about 0.01%～1% (total amount).
Being used for wetting ability white dyes of the present invention is to have structural formula: Those, R wherein 1Be selected from anilino, N-2-two-hydroxyethyl and NH-2-hydroxyethyl; R 2Be selected from N-2-two-hydroxyethyl, N-2-hydroxyethyl-methylamino-, morphine base, chlorine and amino; M is for example sodium or a potassium of salt-forming cation.
In the superincumbent chemical formula, work as R 1Be anilino, R 2Be that N-2-two-hydroxyethyl and M are positively charged ions for example during sodium, whitening agent is 4,4 '-two [4-anilino-6-(N-2-double hydroxyethyl)-s-triazine-2-yl] amino]-2,2 '-third constellations disulfonic acid and disodium salt.Can obtain this special whitening agent type that trade mark is Tinopal-UNPA-GX from Ciba-Geigy company.Tinopal-UNPA-GX is the wetting ability white dyes that is preferred in the detergent composition of the present invention.
In the superincumbent chemical formula, work as R 1Be anilino, R 2Be that N-2-hydroxyethyl-N-2-methylamino-and M are positively charged ions for example during sodium, whitening agent is 4,4 '-two [4-anilino-6-(N-2-hydroxyethyl-N-methylamino-)-s-triazine-2-yl] amino]-2,2 '-third constellations disulfonic acid disodium salt.Can obtain this special whitening agent type that trade mark is Tinopal 5BM-GX from Ciba-Geigy company.
In the superincumbent chemical formula, work as R 1Be anilino, R 2Be that morphine base and M are positively charged ions for example during sodium, whitening agent is 4,4 '-two [4-anilino-6-morphine base-s-triazine-2-yl] amino]-2,2 '-third constellations disulfonic acid, disodium salt.Can obtain this special whitening agent type that trade mark is Tinopal AMS-GX from Ciba-Geigy company.
When being used in combination, selecting to be used for this special white dyes type of the present invention especially effectively dye transfer rejection benefit is provided with the aforementioned selected polymeric dye transfer inhibitor of the present invention.Selected therewith white dyes (for example for selected this polymer material (for example PVNO and/or PVPVI), Tinopal UNPA-GX, Tinopal 5BM-GX and/or Tinopal AMS-GX) in water washing liquor, be used in combination than independent use, any of these two kinds of detergent composition components can provide significantly superior dye transfer restraining effect.Though deeply do not inquire into theoretically, because this white dyes has affinity to fabric in washings, therefore can be deposited on relatively fast on these fabrics, can use by this way so can believe them.Whitening agent deposits to the degree on the fabric in washings, can enough parameters that is called " consumption coefficient " define.Consumption coefficient normally a) is deposited on whitening agent material and b on the fabric in washings) ratio of initial whitening agent concentration.In the context of the present invention, the whitening agent with relative high flow rate coefficient is optimum for suppressing dye transfer.
Certainly, the compound that should be appreciated that other conventional fluorescent whitening agent type can randomly be used for the present invention and " brighten " benefit so that traditional fabric to be provided, rather than real dye transfer restraining effect.
Sequestrant-detergent composition of the present invention also can randomly contain one or more iron and/or magnesium chelating substances.This sequestrant can be selected from aminocarboxylate, phosphoro-amidate, multi-functional substituted aromatic sequestrant and its mixture, and all these will describe at lower part of the present invention.Though do not think in theory deeply to inquire into, what be sure of is that the benefit of these materials partly is because they can remove iron and magnesium ion by forming the soluble chelating thing from washings special ability causes.
Aminocarboxylate as optional sequestrant comprises edetate, N-hydroxyethyl-ethylenediamine tetraacetate, nitrilotriacetic acid(NTA) salt, ethylenediamine tetrapropionic acid(EDTP) salt, trivinyl tetramine six acetates, divinyl three amido pentacetates (DTPA) and ethanol Diglycocol, basic metal, ammonium and its substituted ammonium salt and its mixture.
When low at least total phosphorous was present in detergent composition, phosphoro-amidate also was applicable to as sequestrant of the present invention, and comprised ethylenediamine tetraacetic (methylene radical phosphoric acid salt), as DEQUEST.Preferably, these phosphoro-amidates do not comprise alkyl or the alkenyl that contains more than 6 carbon atoms.
Multi-functional substituted aromatic base sequestrant also is applicable in the composition of the present invention.License to people's such as Connor United States Patent (USP) 3,812,044 referring on May 21st, 1974.This type compound of preferred sour form is a dihydroxyl disulfobenzene for example 1,2-dihydroxyl-3,5-disulfobenzene.
A kind ofly be applicable to that preferred biological degradation sequestrant of the present invention is ethylenediamine disuccinate (" EDDS "), especially be disclosed in [S, the S] isomer in the United States Patent (USP) 4,704,233 that licensed to Hartman and Perkins on November 3rd, 1987.
If use these sequestrants, it generally includes the detergent composition of the present invention of about 0.1%～about 10% (total amount).More preferably, if use sequestrant, it comprises this composition of about 0.1%～about 3.0% (total amount).
Clay soil removal/anti deposition agent-composition of the present invention more also can randomly comprise the water-soluble ethoxylated amine with clay soil removal and antiredeposition performance.The granular detergent composition that contains these compounds typically comprises the water-soluble ethoxylated amine of about 0.01%～about 10.0% (total amount).
Most preferred soil releasing agent and anti redeposition agent are the ethoxylation tetrens.The example of ethoxylated amine also is disclosed in the United States Patent (USP) 4,597,898 that licensed to Vander Meer on July 1st, 1986.Preferred another kind of clay soil removal-anti redeposition agent is the cation compound that is disclosed in the european patent application 111,965 of the Gosselink that published on June 27th, 1984.Other clay soil removal/anti that can use deposition agent again comprises the european patent application 111 that is disclosed in the Gosselink that published on June 27th, 1984, ethoxylated amine polymer in 984, be disclosed in amphoteric ion polymer in the european patent application 112,592 of the Gosselink that published on July 4th, 1984; With the amine oxygen compound in the United States Patent (USP) 4,584,744 that licensed to Connor on October 22nd, 1985.In composition of the present invention, can use in other clay soil known in the art and remove and/or anti redeposition agent.Preferred another type anti redeposition agent comprises carboxymethyl cellulose (CMC) material.These materials are known in the art.
Froth suppressor-be used for reduces or suppress the compound that foam forms can be incorporated into composition of the present invention.As be disclosed in United States Patent (USP) 4,489, the what is called " high density purging method " in 455 and 4,489,574 and in forward type Europe-type washing machine, foam inhibition is particularly important.
A large amount of materials can be used as froth suppressor, and froth suppressor is known for the scientific and technical personnel of this area.Referring to, for example, Kirk othmer chemical technology encyclopaedia, the third edition, the 7th volume, 430-447 page or leaf (John Wiley﹠amp; Sons, company, 1979).A particularly preferred class A foam A inhibitor comprises mono carboxylic lipid acid and its soluble salt.License to the United States Patent (USP) 2,954,437 of Wayne St.John. referring to September 27 nineteen sixty.Have as the mono carboxylic lipid acid of froth suppressor and its salt typical case and to contain 10～about 24 carbon atoms, preferably contain the hydrocarbyl chain of 12～18 carbon atoms.Suitable salt comprises an alkali metal salt for example sodium, potassium and lithium salts, and ammonium and chain triacontanol base ammonium salt.
Detergent composition of the present invention also can comprise nonsurfactant class A foam A inhibitor.These materials comprise that for example, the high-molecular weight hydrocarbon is paraffin, fatty acid ester (for example fatty acid glyceryl ester), the fatty acid ester of monovalent alcohol, aliphatics C for example 18-C 40Ketone (for example stearone) etc.Other froth suppressor comprises for example three～six alkyl melamines or as the reaction product of the uncle of containing 1～24 carbon atom of cyanuryl chloride and two or three moles or secondary amine and the two～tetraalkyl diammonium chloride triazine, propylene oxide and for example single Stearyl alcohol phosphoric acid ester of single stearyl based phosphates that form and single octadecanoyl two basic metal (for example K, Na and Li) phosphoric acid salt and phosphoric acid ester of N-alkylation ammonia triazine.Hydro carbons for example paraffin and halo paraffin can use with the form of liquid.Liquid hydrocarbon is that liquid and its pour point are-40 ℃～about 50 ℃ approximately under room temperature and normal pressure, and its minimum boiling point is no more than 110 ℃ (normal pressures).It is also known that and use wax shape hydrocarbon, advantageous applications has fusing point and is lower than about 100 ℃ wax shape hydrocarbon.Hydro carbons constitutes the froth suppressor that a class is preferred for detergent composition.The hydro carbons froth suppressor is disclosed in, and for example, licenses on May 5th, 1981 in people's such as Gandolfo the United States Patent (USP) 4,265,779.Like this, hydrocarbon comprises the aliphatics that contains 12～about 17 carbon atoms of having an appointment, alicyclic, the saturated and unsaturated hydrocarbons of aromatic series and heterocycle family.The term that uses in the discussion of this froth suppressor " paraffin " is intended to comprise real paraffin and cyclic hydrocarbon.
Another preferred nonsurfactant class A foam A inhibitor comprises the siloxane foams inhibitor.This class includes for example being used in combination of the dispersion of application, organopolysiloxane or the resin of polydimethylsiloxane and emulsification and organopolysiloxane and silicon oxide of organic siloxane oil, and wherein organopolysiloxane is by chemisorption or be melted on the silicon oxide.The siloxane foams inhibitor is well known in the art and for example is disclosed in United States Patent (USP) 4,265,779 that licensed to people such as Gadolfo on March 5th, 1981 and the Starch that publishes February 7 nineteen ninety, in the European Patent Application No. 89307851 of M.S..
Other siloxane foams inhibitor is disclosed in United States Patent (USP) 3,455, and in 839, it relates to by mixing a spot of polydimethylsiloxane fluid in composition and the foamy composition and the method for elimination of water solution.
The mixture of siloxanes and silanization silicon oxide for example is disclosed in, and German patent application DOS2 is in 124,526.Silicone antifoam agent in the granular detergent composition and Foam Control are disclosed in people's such as Bartolotta United States Patent (USP) 3,933,672 and licensed on March 24th, 1987 in people's such as Baginski the United States Patent (USP) 4,652,392.
The example that is used for siloxanes froth suppressor of the present invention is the Foam Control of foam inhibition amount, and it is made up of following component basically:
(i) under 25 ℃, viscosity is about polydimethylsiloxane fluid of 20～about 1,500;
The about 5-part of the about 5-of (ii) per 100 weight parts (i) silicone resin, this resin by about 0.6: 1 to about 1.2: 1 (CH 3) 3SiO 1/2Unit and SiO 1/2The unit constitutes; With
About 1～about 20 parts the solid silicone of (iii) per 100 weight parts (i).
In being preferred for siloxane foams inhibitor of the present invention, the solvent of external phase is by certain polyoxyethylene glycol or polyethylene glycol-propylene glycol copolymers or its mixture (preferably), or polypropylene glycol is formed.Elementary oxygen alkane froth suppressor is side chain/crosslinked and preferably is non-straight chain.
In order to further specify this point, the laundry detergent composition that contains foam control randomly comprises about 0.001～about 1, preferred about 0.01～0.7, the said siloxane foams inhibitor of 0.05～about 0.5 (% total amount) most preferably from about, it comprises the nonaqueous emulsion of (1) a kind of elementary foam reducing composition, it is (a), (b), (c) and mixture (d), (a) organopolysiloxane wherein, (b) silicone compounds produced of resin siloxanes or silicone resin, (c) a kind of fine particle filter material, (d) promote component of mixture (a), (b), thereby reaction (c) forms the catalyzer of silane acid esters; (2) at least a nonionic siloxane tensio-active agent; (3) polyoxyethylene glycol or water solubility at room temperature surpass the multipolymer of the polyethylene glycol-propylene glycol of 2% (total amount); And do not comprise polypropylene glycol.Similarly quantity can be used in granular composition, the colloid etc.Also license to the United States Patent (USP) 4 of Starch referring to December 18 nineteen ninety, 978, the United States Patent (USP) that licensed to Starch on January 8th, 471 and 1991 licensed to people's such as Huber United States Patent (USP) 5 on February 22nd, 4,983,316,1994,288,431 and people's such as Aizawa United States Patent (USP) 4,639,489 and 4, first hurdle, 46 row in 749,740 are to the 4th hurdle 35 row.
Siloxane foams inhibitor of the present invention preferably includes the multipolymer of polyoxyethylene glycol and a kind of polyethylene/polypropylene glycol, and its molecular-weight average all is lower than about 1,000, preferred about 100～800.The multipolymer of polyoxyethylene glycol of the present invention and polyethylene/polypropylene glycol water solubility at room temperature surpasses about 2% (total amount), preferably surpasses 5% (total amount).
It is about 1,000 that preferred solvent among the present invention is that molecular-weight average is lower than, and more preferably from about 100～800, the multipolymer of 200～400 polyoxyethylene glycol and polyethylene/polypropylene glycol most preferably, preferred PPG200/PEG300.The weight ratio of the multipolymer of polyoxyethylene glycol and polyethylene/polypropylene glycol is preferably about 1: 1～1: 10, more preferably 1: 3～1: 6.
Be used for preferred siloxane foams inhibitor of the present invention and do not comprise that polypropylene glycol, particularly molecular weight are 4,000 polypropylene glycol.Preferably, they do not comprise the segmented copolymer of oxyethane and propylene oxide yet, as PLURONICL101.
Be used for the mixture that other froth suppressor of the present invention comprises secondary alcohol (for example 2-alkyl chain triacontanol) and this type of alcohol and silicone oil, for example be disclosed in United States Patent (USP) 4,798,679,4,075,118 and European patent 150,872 in siloxanes.Secondary alcohol comprises and contains C 1-C 16The C of chain 6-C 16Alkyl alcohol.Preferred alcohol is 2-butyl octanol, and it can obtain with trade mark ISOFOL 12 from Condea.The mixture of secondary alcohol can obtain with trade mark ISALCHEM 123 from Enichem.The blended froth suppressor comprises that typically weight ratio is the mixture of 1: 5～5: 1 pure and mild siloxanes.
For any detergent composition that is used for automatic washing machine, the degree that foam forms is for can not overflow washing machine.When using froth suppressor, its preferred consumption is " a foam inhibition amount ".The meaning of foam inhibition amount is that the formulator of composition is selected, thus the amount of this kind Foam Control fully control foam obtain being used for the low foam detergent for washing clothes of automatic washing machine.
Composition of the present invention generally includes 0%～about 5% froth suppressor.When mono carboxylic lipid acid and its salt used as froth suppressor, the amount of its existence was typically up to accounting for 5% of detergent composition weight.Preferably, use about 0.5%～about 3% mono carboxylic lipid acid froth suppressor.Though can use higher amount, the typical amounts of siloxane foams inhibitor is up to accounting for about 2.0% of detergent composition weight.Basically, owing to mainly consider and make cost keep minimum and for the blistered effect of effective control, keep lower amount, this upper limit is practical.Preferably use about siloxane foams inhibitor of 0.01%～about 1%, more preferably from about 0.25%～about 0.5%.As using in the present invention, the value of these total amounts comprises any silicon oxide that is used in combination with organopolysiloxane, and adaptable any additional substances.The common consumption of single stearyl phosphoric acid salt froth suppressor is to account for about 0.1%～about 2% of composition weight.Though can use higher amount, the typical amounts of hydro carbons froth suppressor is about 0.01%～about 5.0%.The typical amounts of alcohol froth suppressor is the 0.2%-3% that accounts for final composition weight.
Fabric softener-various washing fabric softeners, especially licensed to the United States Patent (USP) 4 of Storm and Nirschl on December 13rd, 1977,062, particulate smectic shape clay in 647, and other softening agent clay that is known in the art, can randomly be used for composition of the present invention, thereby fabric softener benefit and the collaborative benefit of cleaning of fabric are provided with about 0.5%～about 10% (total amount) of typical amount.The clay softening agent can and as be disclosed in the United States Patent (USP) 4,375,416 that licenses to people such as Crisp March 1 nineteen eighty-three and the anionic softener that licensed on September 22nd, 1981 in people's such as Harris the United States Patent (USP) 4,291,071 is used in combination with amine.
Surfactant for washing-except the SAS particle, the typical amounts that can use in the present invention are the limiting examples of 1%～about 55% tensio-active agent, comprise traditional C 11-C 18Alkylbenzene sulfonate (" LAS ") and primary, side chain and random C 10-C 20Alkyl-sulphate (" AS "), for example oily vitriol of unsaturated vitriol, C 10-C 18Alkyl alkoxy sulfate (" AE XS "; Especially C EO 1-7 ethoxy sulfate), 10-C 18Alkyl alkoxy carboxylate salt (especially EO 1-5 ethoxy carboxylate), C 10-C 18Glyceryl ether, C 10-C 18The sulfation glycan and the C of alkyl polysaccharide and their correspondences 12-C 18α-sulfonated fatty acid ester.If desired, nonionic and amphoterics for example comprise the C of the alkyl ethoxy compound of so-called narrow distribution alkyl chain 12-C 18Alkyl ethoxy compound and C 6-C 12Alkyl phenolic alkoxy compound (especially ethoxy compound and blended oxyethyl group/propoxylation compound), C 12-C 18Trimethyl-glycine and sulfonation trimethyl-glycine (" sultaines "), C 10-C 18Amine oxides etc. also can be included in the final composition.C 10-C 18N-alkyl polyhydroxy fatty acid amide also can use.Typical example comprises C 12-C 18The N-methyl glucose amide.Referring to WO 9,206,154.Other sugared deutero-tensio-active agent comprises N-alkoxyl group polyhydroxy fatty acid amide, for example C 10-C 18N-(3-methoxy-propyl) glucamide.N-propyl group～N-hexyl C 12-C 18Glucamide can be used for reducing and bubble.Also can use C 10-C 20The tradition soap.High if desired whipability can be used side chain C 10-C 16Soap.Negatively charged ion and non-ionic surfactant mixture are especially to be suitable for.Other conventional surfactant that is suitable for is listed in the received text.
Multiple other component of other component-be used for washing composition is included in composition of the present invention, and it comprises other active ingredient, carrier, processing material, dyestuff or pigment etc.High if desired whipability, the foam secondary accelerator is C for example 10-C 16Alkanolamide can be incorporated in the composition, and its typical amounts is 1%-10%.C 10-C 14Monoethanolamine and diglycollic amide are typical this class A foam A secondary accelerators.This class A foam A secondary accelerator also is good with the high use of adding tensio-active agent amine oxide for example above-mentioned, trimethyl-glycine and sulfonation trimethyl-glycine of bubbling.If desired, can add for example MgCl of solubility magnesium salts 2, MgSO 4Remove performance Deng thereby additional foam being provided and strengthening grease, its addition is typically 0.1%-2%.
The various scrubbed component that are used for the present composition can also be randomly by being adsorbed onto the porous hydrophobic substrate to said component, applies said substrate with hydrophobic coating then and make it stable.Preferably, scrubbed component is mixed with tensio-active agent before the porous substrate being adsorbed into.In use, scrubbed component discharges from substrate and enters in the water washing liquor, thereby brings into play the washing function that it should be brought into play.
In order to illustrate in greater detail this technology, (trade mark SIPERNAT D10 is Degussa) with the C that contains 3%-5% for the porous hydrophobic silicon oxide 13-15The proteolytic enzyme solution of ethoxylated alcohol (EO 7) mixes.Typically, enzyme/surfactant soln is 2.5 times of weights of silicon oxide.The powder that obtains stirs in silicone oil (can use viscosity to be 500-12,500 various silicone oils) and makes its dispersion.Emulsification obtains silicone oil and disperses thing, or otherwise it is added in the final detergent composition.By this method, component enzyme for example above-mentioned, SYNTHETIC OPTICAL WHITNER, bleach-activating agent, bleaching catalyst, light activating agent, dyestuff, white dyes, fabric finishing agent and water-disintegrable tensio-active agent can be protected when being used for washing composition.
The detergent composition of the present invention of preferred preparation is when being used for the water cleaning operation, and the pH that makes washing water is about 6.5～about 11, preferred about 7.5～11.0.The pH of fabric laundry product is typically 9～11.Recommending under the consumption, the control techniques of pH comprises uses buffer reagent, alkali, acid etc., and is known for those skilled in the art.
Introduce below with the free-flow ejector half SAS particle of said component by method preparation of the present invention.In example I and II, the abbreviation of component is meant that following material: C16SAS is (2, the 3) alkyl sulfate surfactant second month in a season that on average contains 16 carbon atoms; C45AS (or ASC14-C15) is the primary alkyl sulphates tensio-active agent that on average contains 14-15 carbon atom; AE (C45-7) is the alcohol ethoxy tensio-active agent that on average contains 14-15 carbon atom and 7 ethoxy units; LAS (C12) is the alkyl benzene sulfonate surfactant that on average contains 12 carbon atoms in alkyl chain; Metolose is the trade name of the methyl cellulose ether of Shin-etsu Kagaku Kogyo K.K. production, and can access following trade mark Metolose SM15, SM100, SM200 and SM400, and all these all are applicable to the present invention; The particle size of hydrophobicity silicon oxide is about 1～about 5 microns, and can obtain silicon oxide as SIPERNAT D10 from Degussa; The particle size of zeolite A is the 0.5-10 micron; The molecular weight of polyacrylate is about 2000～about 6000; The soil releasing agent polymkeric substance is the negatively charged ion polyester; Referring to, people's such as for example above-cited Maldonado and Gosselink patent; Remaining component such as illustrated above the present invention of abridging.
Example I
Has the SAS particulate method of improving solubleness by the preparation of kneading/extrusion process
Application extrusion machine and the production of Lodige mixing tank are described below contain the high resolution of surfactant granules, the testing sequence of high reactivity SAS.
The powder that the commercial C16SAS powder of step (a)-833 gram and other detergent component form was the middle premix of batch kneading machine (KDHJ-10,6 liters, Fuji Powdal) 5 minutes.As follows with SAS blended annexing ingredient:
Component gram number
C45AS tensio-active agent sheet 1163
Soap, soda-base grease 300
SAS-6 900
Polyacrylate 500
Yellow soda ash 1150
Soil release polymers 56.8
Whitening agent mixture * 23.3
Polyvinyl alcohol 17.3
* can use for example various TINOPAL materials of traditional whitening agent.Referring to example II.
Step (b)-then in mixing process is that 18% neutral oleoylsarcosine ester is stuck with paste and is sent in the batch kneading machine with 920 gram moisture contents.Thereby continue to mix 15 minutes formation washing composition groups again.
Step (c)-then washing composition group deliver to two vault extrusion machines (TDG-110, FujiPowdal) in.The diameter of the opening part of extrusion machine is about 500 microns.The mean length of collecting detergent bar is 100 μ m-15.0cm.
The bar that step (d)-2000 gram is obtained by step (c) and the silicon oxide of 5 gram powdered are sent among the Marumerizer (Q-400, Fuji Powdal) and mixed for 30 seconds.Add the silicon oxide and 60 seconds of remix of 5 gram powdered in addition.This step has shortened the length of bar, thereby produces the particle of average particle size particle size for about 1-2mm.
The particle that step (e)-in operating process obtains 11,569 gram steps (d) is delivered to Lodige50 and is risen the KM mixing machine.217 gram C45AE7 nonionic tackiness agents are sprayed onto on the particle under 70 ℃.1,118 gram exsiccant, washing composition level zeolite A are delivered in the mixing machine, and continue again to mix 9 minutes.Then 43 gram spices randomly are sprayed onto on this particle.
Tyler sieve (1180 microns) screening of step (f)-by the #14 sieve aperture obtains particle to collect needed particle by step (e).
The following describes the granulated detergent with method preparation of the present invention, it comprises the SAS particle and has improved solubleness.
Example II
The total preparation of component surfactant granules % (total amount) SAS (C16) 11.7AS (C14-15) 12.3AE (C45-7) 1.7LAS (C12) 1.7 oleoyl sarcosinates 10.0 fat soda soaps 4.5
41.9 washing assistant/alkali SKS-6 13.4 polyacrylates 8.4 zeolite A 8.5PEG 4,000 1.9 yellow soda ash 17.1
49.3 a small amount of component Metolose 0.84FWA15 Tinopal AMS-GX** 0.11FWA49 Tinopal CBS-X** 0.23 hydrophobicity silicon oxide 1.11PVP 0.08 spices 0.33 moisture 4.0Misc. 2.1
8.8 total amount 100.0
* comprise the coating that is coated on the SAS/ surfactant granules.
The * white dyes.
Physical properties
Density (g/L) 760
Average particle size particle size (micron) 586
Aforementioned compositions is a free-flowing property, has acceptable dusting and bonding grade, and even can use under cold wash conditions.
SAS particle by the preceding method preparation is used to provide full allotment detergent composition, is illustrated by following limiting examples,
EXAMPLE III-X
Component * III IV V VI VII VIII IX X surfactant C16 SAS 11.7 10 15 8 15 10 15 8 C14 SAS 05080 10 58 C18SAS 00300000 C45AS 12.3 00 10 15 605 C45AEXS 00505000 coconut AS 0 10 000000 C12LAS 1.7 0703063 C13LAS 00500000 C46 AOS 000500 15 0 C68 MES 0 10 050 15 0 15 C46AGS 00300030 ethoxy lists 10 dialkyl group quat trimethyl alkyl 01010000
Quat tallow soap 4.5 3006202 coconut soaps 02000000 olein soaps 10 4350040 Neodol 1.7 0023023
C45E7Neodol?C23 0 0 0 0 0 0 2 0
E6.5Neodol?C25 0 2.5 2 0 0 0 0 0
E9 0 0 3 5 0 3 3 0 0 0 2 0 1 0 0 0 0 0 0 2 0 0 0 0 ／ 11.8 0 5 l1 5 5 25 18 A 8.5 10 0 10 5 0 5 10 X 0 0 10 0 0 7 0 0 8.4 0 10 0 2 1 0 5／ 0 12 0 0 0 3 5 0 NTA 0 0 0 0 5 0 0 0 STP 0 0 0 0 5 16 0 0 PEG 4000 1.9 0 4 1 1 2 1 1 10.8 11 10 10 8 5 0 10 0.8 1 0 1 0.8 1 1 1 4.5 0 0 0 0 0 0 0 0 5 0 0 5 0 0 0 NOBS 4.5 2 0 0 5 0 0 0 TAED 0 3 0 0 0 0 0 0 1 3 5 8 2 5 2 3。
DTPA 0 0 0 0 0 0 0 0
EDDS 0 0 1 0 0 0 0 0
EDTA 0 0 0 1 0 0 0 0
Other
Spices 0.3 0.3 0.3 0.2 0.2 0.2 0.3 0.2 dirts discharge poly-10001011
Compound
Whitening agent 0.4 0.3 0.4 0 0.5 0.4 0.6 0.3 polyvinyl alcohol or 0.1 002000 0.2
PVNO
The water balance amount
Total amount 100 100 100 100 100 100 100 100* are in example III～X, and the abbreviation that is used for component of the present invention appears at listed formulation component, or such as below the present invention definition: C45AExS be C 14-C 15Fatty alcohol ethoxylate (1-3) vitriol.C46AOS is C 14-C 16α-alkene sulfonate.C68MES is sulfo group C 16-C 18Fatty acid methyl ester sodium salt.C46AGS is sulfuric acid C 14-C 16The alkyl glycerol ester.Hydroxyethyl list dodecyl quat is a hydroxyethyl dodecyl dimethyl ammonium chloride.Trimethylammonium alkyl quat is a Dodecyl trimethyl ammonium chloride.NEODOLS is commercial nonionogenic tenside.Coconut acyl group glucamide is a coconut alkyl N-methyl glucose amide.The acyl group single ethanol amide is the coconut alkyl monoethanol amide.The acyl group diglycollic amide is a coconut alkyl diglycollic amide.The stratiform silicon oxide is SKS-6.The molecular weight of sodium polyacrylate is 2000-6000.The molecular weight of acrylate/maleate copolymer is 2000-20,000.STP is a tripoly phosphate sodium STPP.Soil releasing agent is a kind of negatively charged ion polyester, referring to patent and other patent of above-cited Maldonado and Gosselink.Also can use METOLOSE.Whitening agent is TINOPALS , obtains from Ciba-Geigy.
Prepare foregoing by dry blending SAS particle of the present invention and equilibrium composition.In water-bearing media, composition is with the about 500ppm of conventional amount used～about 50, and 000ppm is as fabric detergent.Composition exhibiting goes out good cleaning performance, and especially SAS particle size (being the particulate maximum diameter) is the composition of 100-2000 micron.C 16SAS is particularly preferred.

Claims (6)

1. one kind prepares the method with the detergent particles that improves solubleness, and described particle contains a kind of second month in a season of (2,3) alkyl sulfate surfactant, and described method comprises the steps:
(a) (2, the 3) alkyl-sulphate second month in a season with described particle form mixes with the scrubbed component of powdered, so that a kind of uniform powder mixture that contains at least 10 weight % second month in a season (2,3) alkyl-sulphates to be provided,
Described scrubbed component is selected from polyacrylate powder, acrylate/maleate copolymer, soap powder end, exsiccant primary alkyl sulphates sheet, yellow soda ash, and composition thereof;
(b) powdered mixture with step (a) mixes with the tensio-active agent paste, so that washing composition group to be provided;
(c) the washing composition group of step (b) being pushed, make it pass through an orifice plate, is 100～1500 microns detergent bar so that diameter to be provided;
(d) detergent bar of step (c) being sheared, is 100 microns～15 centimetres particle so that length to be provided;
(e) particle of usefulness free-flowing property auxiliary agent coating step (d),
Described free-flowing property auxiliary agent is selected from the zeolite of fine powderization, the silicon oxide of fine powderization, and composition thereof; With
(f) randomly, the coated particle that screening obtains from step (e), making its average particle size particle size is 100～2000 microns.
2. according to the process of claim 1 wherein, the uniform powder mixture of step (a) comprises (2, the 3) alkyl sulfate surfactant second month in a season of 10%～75 weight %.
3. according to the process of claim 1 wherein, the tensio-active agent in the step (b) is stuck with paste and is comprised that weight ratio is 1: 4～1: 9 water and a kind of anion surfactant.
4. according to the process of claim 1 wherein, the water-content of step (b) washing composition group is lower than 10 weight %.
5. according to the process of claim 1 wherein, the coating of described free-flowing property auxiliary agent is a particle of at first using nonionogenic tenside tackiness agent coating step (d), applies described particle with described free-flowing property auxiliary agent then.
6. according to the method for claim 5, wherein, the particle of step (e) comprises that total content is the tensio-active agent of 30～50 weight %, and its density is at least 650g/l, and average particle size particle size is 100～1500 microns.
CN97194474A 1996-03-08 1997-02-26 Secondary alkyl sulfate surfactant with improved solubility by kneading/extruding process Expired - Fee Related CN1085246C (en)

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WO1994024242A1 (en) * 1993-04-08 1994-10-27 The Procter & Gamble Company Secondary (2,3) alkyl sulfate surfactants in mixed surfactant particles
WO1994024244A1 (en) * 1993-04-08 1994-10-27 The Procter & Gamble Company Secondary (2,3) alkyl sulfate surfactants in high density granular detergent compositions
US5389277A (en) * 1993-09-30 1995-02-14 Shell Oil Company Secondary alkyl sulfate-containing powdered laundry detergent compositions

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US5478503A (en) * 1994-02-28 1995-12-26 The Procter & Gamble Company Process for making a granular detergent composition containing succinate hydrotrope and having improved solubility in cold temperature laundering solutions
US5489392A (en) * 1994-09-20 1996-02-06 The Procter & Gamble Company Process for making a high density detergent composition in a single mixer/densifier with selected recycle streams for improved agglomerate properties

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WO1994024242A1 (en) * 1993-04-08 1994-10-27 The Procter & Gamble Company Secondary (2,3) alkyl sulfate surfactants in mixed surfactant particles
WO1994024244A1 (en) * 1993-04-08 1994-10-27 The Procter & Gamble Company Secondary (2,3) alkyl sulfate surfactants in high density granular detergent compositions
US5389277A (en) * 1993-09-30 1995-02-14 Shell Oil Company Secondary alkyl sulfate-containing powdered laundry detergent compositions

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