CN1026013C - Liquid detergent containing perborate bleach - Google Patents

Liquid detergent containing perborate bleach Download PDF

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Publication number
CN1026013C
CN1026013C CN88104501A CN88104501A CN1026013C CN 1026013 C CN1026013 C CN 1026013C CN 88104501 A CN88104501 A CN 88104501A CN 88104501 A CN88104501 A CN 88104501A CN 1026013 C CN1026013 C CN 1026013C
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Prior art keywords
liquid detergent
perborate
detergent composition
water
composition
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CN1030605A (en
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约瑟夫·菲洛曼娜·雷蒙·格登斯
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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds

Abstract

Stable, bleach-containing liquid detergents are prepared, by in situ crystallization of a perborate bleach. The crystallization may be carried out by converting perborate monohydrate to perborate tetrahydrate, or by converting a borate to a perborate.

Description

Liquid detergent containing perborate bleach
The invention relates to the aqueous liquid detergent compositions that contains the fine granularity perborate bleach, as to contain weight average particle diameter be 0.5 to 20 micron particulate perborate bleach.This small-particle generally be the perborate tetrahydrate on the spot crystallization form, this perborate tetrahydrate forms by perborate monohydrate recrystallization or borate and hydroperoxidation.
At present, commercially available so-called heavy duty liquid laundry detergent composition does not generally contain SYNTHETIC OPTICAL WHITNER.The dissolved peralcohol is the same with hydrogen peroxide, can interact with other component that generally is used for liquid washing agent (as enzyme and spices).
Insoluble peroxide bleaching agent exists a problem, and promptly its physical stability in formed suspension is relatively poor.
October in 1985, disclosed West Germany on the 17th prospectus was opened the anhydrous liq detergent composition of the activator that contains Sodium peroxoborate monohydrate and activation perborate in 3,511,515 minutes.On October 3rd, 1986, disclosed French Patent 2579615 disclosed the similar anhydrous detergent composition that also contains the hydrogen peroxide enzyme inhibitors.The detergent composition of these two pieces of patent disclosures does not contain anion surfactant.
At crystal growth magazine 44(1978), the 265-286 page or leaf, " crystallization of Sodium peroxoborate in the aqueous solution " of J.Dugua and B.Simon work discussed tensio-active agent to the nucleation of sodium perborate tetrahydrate and the effect of crystal growth.
The purpose of this invention is to provide and contain perborate particulate aqueous liquid detergent compositions, wherein perborate particulate weight average particle diameter is 0.5 to 20 micron.Another object of the present invention provides a kind of particulate method with required particle size range that forms on the spot.
Aqueous liquid detergent compositions of the present invention, its pH value is at least 8, and contain organic non-soap anionic surfactant of at least 5%, at least 5% washing assistant and 1%-40%, best 10%～20% particulate state perborate bleach, this particle is that crystallization on the spot forms, and its weight average particle diameter is 0.5 to 20 micron.Preferably perborate tetrahydrate (as sodium perborate tetrahydrate) the crystallization formation on the spot of this perborate particle.
Liquid detergent composition preferably also contains 5%～70% water-miscible organic solvent.The preferably low-molecular-weight monohydroxy-alcohol of this water-miscible organic solvent, ethanol preferably.
At this, the pH value of detergent composition can be at least 9, and preferably at least 9.5.
The present invention proposes the problem that preparation is suspended with the short grained aqueous liquid detergent compositions of perborate bleach.Consider the physical stability of detergent composition, must make perborate particulate weight average particle diameter is 0.5 to 20 micron.It is worthless preparing this small-particle with abrasive method, because this grinding is very uneconomic, and the small-particle of this dry state can cause a series of industrial hygiene and safety problem.
The physical stability that we also find to contain the short grained detergent composition of perborate that useful grinding makes is not as containing the perborate particulate detergent composition with same particle size that makes by crystallization on the spot.Though we are also not fully aware of to this phenomenon, can infer thus particle shape role in composition.
We find now, required perborate small-particle can be in the presence of the detergent builder compound of organic non-soap anionic surfactant of at least 5% and at least 5% crystallization and forming on the spot.
In this used percentage ratio weight percentage that is liquid detergent composition.Both made in the composition particle can be different, as tetrahydrate, the weight percentage of perborate be still calculated with the perborate monohydrate.
Term " crystallization on the spot " is meant in the presence of water/anion surfactant/detergent builders matrix; The process that the perborate particle forms from larger particles or solution.So this term also refers to chemical reaction process, generate the process of Sodium peroxoborate as the hydrogen peroxide of stoichiometric quantity and sodium-metaphosphate or sodium tetraborate reaction.This term also refers to dissolving or recrystallization process, as the process of perborate monohydrate dissolving formation then perborate tetrahydrate.Recrystallization process also can absorb crystal water by the perborate monohydrate to carry out, thereby the direct recrystallization of monohydrate becomes tetrahydrate, and without dissolution process.
In one embodiment of the invention, perborate compound (for example sodium perborate tetrahydrate or Sodium peroxoborate monohydrate) is joined contain in anion surfactant and detergent builders liquid, aqueous.The slurry that stirring obtains.During churning, the perborate compound dissolves/recrystallization process.Because have anion surfactant and detergent builders to exist, this dissolving/recrystallization process has produced has required size particles.
Because the easier recrystallization of monohydrate is so this embodiment of the present invention is preferentially used monohydrate.Unless outside pointing out specially, the particle diameter of this specification sheets is a weight average particle diameter.Consider the physical stability of detergent composition, the distribution of granular size is preferably relatively narrower.For example, particle diameter can be less than 10% greater than 25 microns perborate particle, and preferably particle diameter is less than 10%(weight greater than 10 microns particle).
In second embodiment of the present invention, the perborate compound is that after chemical reaction forms on the spot.For example, Sodium peroxoborate joined contain in anion surfactant and detergent builders liquid, aqueous, under agitation add the hydrogen peroxide of stoichiometric quantity then, continue to stir, finish up to reaction.
Other borate compound as sodium tetraborate and boric acid, can replace metaborate.If boron compound is a sodium tetraborate, the alkali (as sodium hydroxide) that then adds stoichiometric quantity generates metaborate to guarantee the sodium tetraborate reaction, and this metaborate carries out conversion recited above then.Known as prior art, available other superoxide (as sodium peroxide) replaces hydrogen peroxide.
Usually the perborate tetrahydrate is higher than 40 ℃ of formation down in temperature, under this temperature, the perborate tetrahydrate can change into the more stable trihydrate of thermodynamics at leisure, and this conversion process itself can make the trihydrate small-particle break away from oarse-grained tetrahydrate.
Preferred liquid detergent composition also contains water-miscible organic solvent except that containing water.This solvent has reduced the solvability of perborate in the liquid phase, thereby has strengthened the chemical stability of composition.
Organic solvent needn't be water-soluble fully, and the solvent of usefulness q.s mixes with the water in the composition, can influence the solvability of perborate compound in liquid phase.
Certainly, water-miscible organic solvent must mix with the perborate compound under given pH value.Therefore, few as far as possible with the polyvalent alcohol that contains vicinal hydroxyl groups, as 1,2-propylene glycol and glycerol.
Suitable water-miscible organic solvent for example, lower aliphatic monohydroxy-alcohol, the ether of glycol ether and rudimentary monobasic aliphatic monohydric alcohol.Ethanol, Virahol, the pure and mild butyldiglycol ether of 1-methoxyl group dipropyl preferentially use.
No matter have or not other component to work, oxygen level mainly is to be measured by the water and the ratio of organic solvent in the solution.This ratio (being to use more organic solvent in the solvent system) is more little, and the oxygen level in the solution is just low more.Though this stability to bleach systems is favourable, be disadvantageous to the solvability of other component (as ionogen, anion surfactant).
In fact, for most systems, water is at 8: 1 to 1: 3 with the ratio of organic solvent.Be preferably in 5: 1 to 1: 2 scopes.During the water yield in calculating detergent composition, should be included in water chemical and that physical process discharges or absorbs takes place in the preparing washing agent composition, for example, the water that the neutralization reaction of anion surfactant forms, metaborate changes into the water that the perborate tetrahydrate is absorbed, and the perborate monohydrate changes into the water that the perborate tetrahydrate is absorbed, and the water that exists in most detergent raw materials also should count.
Because we think that the ionic strength of composition is influential to crystallisation process, so the ionic strength of composition is at least 0.8 mol, are preferably 2 to 3.5 mol.Ionic strength is to calculate under all abundant dissociated prerequisite of ionic species (except that perborate) in the composition in hypothesis.
Liquid detergent composition contains 5%～60%, and best 15%～40% organic surface active agent, this organic surface active agent are selected from nonionic, negatively charged ion, zwitterionics and their mixture, and anion surfactant contains 5% at least.
Synthetic anion surface active agent can be used general formula R 1SO 3M represents, wherein R 1Representative contains the alkyl and the alkyl (wherein alkyl contains 9 to 15 carbon atoms) that contains alkyl phenyl of the straight or branched alkyl of 8-24 carbon atom.M is the positively charged ion of salt formation, and it is selected from the compound that contains sodium, potassium, ammonium and their mixture.
Preferred synthetic anion surface active agent is the water-soluble alkyl benzene sulphonate (ABS) salt of (wherein alkyl contains 9 to 15 carbon atoms).Another preferred synthetic anion surface active agent is water-soluble alkyl-sulphate or water-soluble alkyl polyethoxy vitriol, and wherein alkyl contains 8 to 24, best 10 to 18 carbon atoms, and contains and have an appointment 1 to 20, best 1 to 12 oxyethyl group.Other suitable anion surfactant is at United States Patent (USP) 4,170,565(Flesher etc., on October 9th, 1979 bulletin) in open.
Nonionogenic tenside makes with following reaction usually, promptly in the presence of acidity or basic catalyst, and oxyethane and the hydrocarbon condensation that contains reactive hydrogen atom (as hydroxyl, carboxyl or amido).It is RA(CH that this ionic surfactant pack is drawn together general formula 2CH 2O) nThe compound of H, wherein R represents the hydrophobic group part, and the A representative often has the group of reactive hydrogen atom, and n represents the mean number of oxyethane, and R generally contains 8 to 22 carbon atoms.Nonionogenic tenside also can make by propylene oxide and low-molecular weight compound condensation.N changes between 2 to 24 usually.
The hydrophobic group part of non-ionic compound preferably has the uncle or the second month in a season of 8 to 24 carbon atoms (12-20 carbon atom is better), the fatty alcohol of straight or branched.To the visible United States Patent (USP) 4,111,855 of the more complete narration of suitable nonionogenic tenside, also can use the mixture of nonionogenic tenside in the detergent composition.
Zwitterionics comprises aliphatic quaternary ammonium, the derivative of p and s compound, wherein aliphatic group part can be a straight or branched, and one of them aliphatic substituting group contains 8 to 24 carbon atoms, and another substituting group contains at least one non-ionic water-soluble group.Particularly preferred zwitterionics is a United States Patent (USP) 3,925,262(Laughlin etc., on December 9th, 1975 was announced) and 3,929,678(Laughlin etc., on December 30th, 1975 was announced) disclosed oxyethyl group ammonium sulphonate and oxyethyl group ammonium sulfate.
Semi-polar nonionic surfactants comprises the water soluble oxidized ammonium that contains an alkyl or hydroxyalkyl, and wherein moieties contains 8 to 28 carbon atoms; With two groups that are selected from alkyl and hydroxyalkyl, the alkyl and the hydroxyalkyl that wherein contain 1-3 carbon atom can be connected on the ring structure arbitrarily.
Suitable negatively charged ion synthetic surface active salt is selected from sulfonate and vitriol.This anionoid washing composition is known in detergent applications, and they are in being usually used in the commercial laundering agent.Best negatively charged ion synthesizing water-solubility sulfonate or vitriol are the salt that contains 8 to 22 carbon atom alkyls in those molecular structures.
This preferred anionic surfactants surfactant salt for example, by will be from the C of animal oil and Oleum Cocois 8-C 18Fatty alcohol carries out the reaction product that sulfation obtains; Alkylbenzene sulfonate, wherein alkyl contains 9 to 15 carbon atoms; Alkyl glyceryl ether sulfonic acid sodium; The ether sulfate of the fatty alcohol that makes by Tallow, beef and Oleum Cocois; Coconut fatty acid direactive glyceride vitriol and sulfonate; Water-soluble sulfonated alkane, its alkyl chain have 8 to 22 carbon atoms.Also can use sulfonation olefin sheet surface-active agent, in the specification sheets of United States Patent (USP) 3332880, it done sufficient explanation.The neutralizing cation that is used for negatively charged ion synthesising sulfonate and/or vitriol can use the traditional positively charged ion that has been widely used in the washing composition technology, as potassium and sodium.
Particularly preferred positively charged ion synthetic surfactant component is the salt of water-soluble alkyl benzene sulphonate (ABS), and preferably sodium alkyl benzene sulfonate is good with the sodium alkyl benzene sulfonate that has 10 to 13 carbon atoms in alkyl especially.
Preferred nonionic ethoxylate is to have the fatty alcohol of 12 to 15 carbon atoms and the condensation product of oxyethane, and its degree of ethoxylation is 4-10 moles of ethylene oxide/mole fatty alcohol.In this class ethoxylate, the ethoxylate that is fit to has: C 12-C 15The condensation product of oxo alcohol and oxyethane, its degree of ethoxylation are 7 or 9 moles of ethylene oxide/mol of alcohol; Narrow fraction C 14-C 15The condensation product of oxo alcohol and oxyethane, its degree of ethoxylation are the aliphatic oxo alcohols of 7 or 9 moles of ethylene oxide/moles; Narrow fraction C 12-C 13The condensation product of aliphatic series oxo alcohol and oxyethane, its degree of ethoxylation is 6.5 moles of ethylene oxide/mole fatty alcohol; C 10-C 14The condenses of coconut fatty alcohol and oxyethane, its degree of ethoxylation (moles of ethylene oxide/mole fatty alcohol) is in 5 to 8 scopes.The aliphatic series oxo alcohol mainly is a straight chain, and this depends primarily on the condition of process and the degree of branching of raw material olefin, particularly short chain, as the branching of methyl.
The degree of branching of coml oxo alcohol usually 15% to 50%(weight %) in the scope.
Preferred nonionic ethoxylate also can be the mixture with 2 nonionic alcohol ethoxylate surfactant of different degree of ethoxylation.For example, the mixture of following two kinds of nonionic alcohol ethoxylate surfactant, first kind is that degree of ethoxylation is the nonionic alcohol ethoxylate surfactant of 3 to 7 moles of ethylene oxide/mole hydrophobic group part, and second kind of degree of ethoxylation is the nonionic alcohol ethoxylate surfactant of 8 to 14 moles of ethylene oxide/mole hydrophobic group part.Preferred nonionic ethoxylate mixture contains a rudimentary ethoxylate and a senior ethoxylate, and this rudimentary ethoxylate is C 12-C 15The condensation product of oxo alcohol (50% side chain) and oxyethane, its degree of ethoxylation is the aliphatic oxo alcohols of 3 to 7 moles of ethylene oxide/moles, and senior ethoxylate is C 16-C 19The condensation product of oxo alcohol (50% above side chain) and oxyethane, its degree of ethoxylation is 8 to 14 moles of ethylene oxide/mole branching oxo alcohol.
Liquid detergent composition can contain a lipid acid component arbitrarily, and preferred saturated fatty acid has 10 to 16, best 12 to 14 carbon atoms.Preferred unsaturated fatty acids has oleic acid and Zoomeric acid.
Detergent enzyme also can be used in the liquid detergent composition of the present invention, and in fact, detergent composition of the present invention is compatible with this detergent enzyme to be one of required character, and suitable enzyme comprises washing composition proteolytic enzyme, amylase, aliphatic enzyme and cellulase.The enzyme stabilizers that is used for aqueous liquid detergent is known, preferably uses formate here, as sodium formiate.The consumption of this stablizer is generally in 0.5% to 2% scope.
Contain inorganic or organic washing-assisting detergent in the preferred detergent composition.The for example inferior phosphorus base of inorganic builders washing assistant is as tripoly phosphate sodium STPP, trisodium phosphate and silico-aluminate (zeolite).
Organic washing-assisting detergent comprises polyprotonic acid, as citric acid, and nitrilotriacetic acid(NTA), and the mixture of tartrate-succsinic acid and tartrate disuccinic acid.Used washing assistant is citric acid and the basic succinic acid compound that replaces of alkane (alkene) preferably, and wherein alkane (alkene) base contains 10 to 16 carbon atoms.This compound comprises the dodecenyl succinic succsinic acid.Also can use polymerization of carboxylic acid salt washing assistant, it comprises polyacrylic ester, the multipolymer of many alkyl acrylate and polyacrylic ester/polymaleic acid ester.
Detergent mixture can contain a series of other optional components, and this active constituent is to use according to the amount of additive basically, is less than 5% usually.This class additive comprises, polyprotonic acid, enzyme and enzyme stabilizers, suds conditioning agent, opalizer, the additive that is used to improve the mechanical consistency on enamel ccating surface, sterilant, dyestuff, spices, whitening agent etc.
The liquid scrubbing agent composition can contain other additive of 0.05 to 2%.
These additives comprise: polyaminocarboxylic acid, and as the amino tetraacethyl of ethylene, diethylidene triamino pentaacetic acid, amino disuccinic acid of ethylene or their water-soluble alkali metal salts.Other additive comprises: organic phospho acid; The amino tetramethylene phosphonic acid of ethylene particularly, own methylene diamino tetramethylene phosphonic acid, diethylidene triamino pentamethylene phosphonic acids and Amino Trimethylene Phosphonic Acid.
Detergent composition also can contain bleach-stable agent well known in the prior art, if used hydrogen peroxide in preparing the method for liquid washing agent, because the adding of this commercially available hydrogen peroxide also should add the bleach-stable agent generally speaking.Concerning these detergent composition, suitable bleach-stable agent comprises xitix, pyridine dicarboxylic acid, sodium stannate and oxine, and its content is between 0.01 to 1%.
For detergent mixture of the present invention can both be used well, need to add the suds conditioning agent under various working conditionss.Although detergent composition can use all washing composition suds conditioning agents, preferably use the alkylation polysiloxane, as dimethyl polysiloxane, it also often is known as poly-silicon oxidation alkane, and the consumption of polysiloxane is no more than 1.5% usually.Be preferably between 0.1% and 1.0%.
Detergent composition also needs to add opalizer, because opalizer can make spissated liquid detergent composition appearance even, suitable opalizer comprises: polystyrene, the i.e. commercial known LYTRON621 that is produced by MONSANTO chemical company.The consumption of opalizer is 0.3% to 1.5%.
Liquid detergent composition of the present invention also contains and is useful on the additive that improves the washing machine consistency, particularly to scribbling the enamelled surface.
Detergent composition also needs to add 0.1% to 5% known anti redeposition agent and/or compatilizer.This class additive comprises: Xylo-Mucine; Hydroxyl C 1-6-alkylcellulose; Many carboxyls all or multipolymer, as polymaleic acid, maleic anhydride and methylvinylether are 2: 1 to 1: 2 polymeric multipolymers with mol ratio, contain no more than 5, the alkene of best 3 or 4 carbon atoms is unsaturated-carboxylic acid monomer, as (methyl)-vinylformic acid, and contain no more than 6, be preferably the monomeric multipolymer of alkene unsaturated dicarboxylic acid of 4 carbon atoms, these two monomeric mol ratios are in 1: 4 to 4: 1 scope.European patent application 0066915(1982 applied for May 17) above-mentioned multipolymer there is more detailed description.
The present invention will be described below by embodiment, so that understand.
Listed component in the mixed table that provides according to following table prepares liquid detergent composition.(table is seen the literary composition back)
After mixing, above-mentioned all components add the Sodium peroxoborate compound again.Stir this mixture a whole night.The recrystallization perborate particulate weight average particle diameter that generates is 7 microns.
Prepare following detergent composition with identical method.
Similar detergent composition prepares with following method.
With water, organic solvent, tensio-active agent and washing assistant mix and obtain a kind of liquid detergent substrate, with sodium hydroxide the pH value of this washing composition matrix are adjusted to 8.5-9.Under agitation add the metaborate powder, obtain a cream, then the form of hydrogen peroxide with aqueous solution added.Formed the small-crystalline of perborate tetrahydrate.Generally speaking, this perborate tetrahydrate crystalline weight average particle diameter is about 4 microns.Because this reaction is thermopositive reaction, the temperature of mixture will raise, and generally be raised to about 40 ℃.Detergent composition is cooled to about 25 ℃, adds then heat sensitive component, as enzyme and spices.
Also available sodium tetraborate replaces metaborate, joins in the above-mentioned washing composition matrix.Add the sodium hydroxide of necessary amount, make sodium tetraborate change into metaborate.Add hydrogen peroxide then, make metaborate change into perborate.After mixture is cooled to about 25 ℃, add heat sensitive composition component.
Component is formed (weight) %
Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ
Water 33 32 26 23 34
Ethanol 14 15 18 22 11
Straight chain Witco 1298 Soft Acid 12 10 88 12
1 mole of C 13-C 15The carboxyl synthol
Condensation product 79 10 87 with 7 moles of ethylene oxide
Coco group (Cocoyl) sodium sulfate 23422
Dodecyl succinate 13 10 12 15 13
Citric acid 0.8 11 0.8 0.8
Oleic acid 3.3 432 3.3
Proteinase-10 .3 0.5-0.5-
Diethylenetriamine pentamethylenophosphonic acid(DTPP) 0.05 0.85 0.05 0.05 0.05
Sodium formiate 0.9 1-1-
Sodium peroxoborate-hydrate 10 10 12 10 10*)
The pH value 9 10 9 11 8.2 of (adjusting) sodium hydroxide
Spices, trace ... balance
*) sodium perborate tetrahydrate
Component is formed (weight %)
Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ
Water 31 28 27 32 23 28 22
Ethanol 6.5-7 5678
1-methoxyl group-2-propyl alcohol-14 3.5--77
Virahol 6.5---6--
Butyldiglycol ether--4.0 5---
Straight chain Witco 1298 Soft Acid 11.4 12 7 13 12 10 9
Nonionogenic tenside 7.2 7 11 3.5 687
Coconut sodium sulfate 3.1 2.5 2.5 3.0 4.0 3.0 2.0
TMS/TDS＊ - - - - - 6.5 3.5
Dodecenyl succinic succsinic acid 13.4 9--7 8.5 9.5
Tetradecene base succsinic acid-4----1.0
Coconut fatty acid--16 1.0 1.0--
Oleic acid 3.6 3.6 4.0 2.0 3.0 2.0 2.5
Citric acid 0.8 0.9 0.5-3.5-0.5
DTPMPA＊＊ 0.9 0.5 0.5 - 0.4 0.8 1.5
Ethylene diaminetetraacetic acid---1.0 0.4--
Three sodium polyphosphates---15.0---
Sodium perborate tetrahydrate----17--
Sodium peroxoborate monohydrate 9.0 10.4 9 13-13 19
Sodium formiate 0.9 0.8 1.0 1.0 1.5 0.5 1.0
Proteinase-10 .7 0.6 0.8 0.5 1.0 0.5 0.6
Regulate the sodium hydroxide 9 10 11 11 9.5 10.5 10.5 of pH value
The spices trace ... balance
* tartrate-succsinic acid with the ratio of tartrate disuccinic acid is: 80: 20 mixture
* diethylidene triamino pentamethylene phosphonic acids

Claims (13)

1, a kind of pH value is at least 8 aqueous liquid detergent compositions, comprising:
A) organic non-soap anionic surfactant of at least 5%;
B) at least 5% washing assistant;
C) perborate bleach of 1%-4%, this perborate bleach are to be that 0.5 micron to 20 microns particle form exists with the weighted mean particle diameter, and this particle is that recrystallization forms on the spot, and
D) 5%-70% is selected from the lower aliphatic monohydroxy-alcohol; With the ethers of glycol ether and rudimentary monobasic aliphatic monohydric alcohol can be miscible with water organic solvent, wherein water is 5 with the ratio of solvent: 1-1: 2 and wherein the ionic strength of composition be at least 0.8 mol.
2, according to the composition of claim 1, wherein the perborate bleach particle is that borate compound and superoxide situ reaction form.
3, according to the composition of claim 2, wherein borate compound is metaborate or sodium tetraborate, and superoxide is a hydrogen peroxide.
4, according to the liquid detergent composition of claim 1, wherein the perborate particle is that perborate monohydrate recrystallization forms.
5, according to the liquid detergent composition of claim 1, wherein water-miscible organic solvent is the lower aliphatic monohydroxy-alcohol.
6, according to the liquid detergent composition of claim 5, wherein water-miscible organic solvent is an ethanol.
7, according to the liquid detergent composition of claim 6, water wherein: ethanol is 5: 1 to 1: 2.
8, according to the liquid detergent composition of one of above-mentioned any claim, its pH value is at least 9.
9, liquid detergent composition according to Claim 8, its pH value is at least 9.5.
10, according to the liquid detergent composition of claim 1, it contains and is less than 4% lipid acid.
11, the method for the liquid detergent composition of preparation claim 1 may further comprise the steps:
A) water mixes with anionic detergent and washing assistant;
B) under agitation add the perborate compound.
12, the method for the liquid detergent composition of preparation claim 1 may further comprise the steps:
A) water mixes with anionic detergent and washing assistant;
B) add borate compound;
C) under agitation add superoxide.
13, according to the method for claim 12, wherein borate compound is metaborate or sodium tetraborate, and superoxide is a hydrogen peroxide.
CN88104501A 1987-06-12 1988-06-10 Liquid detergent containing perborate bleach Expired - Fee Related CN1026013C (en)

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GB8713756 1987-06-12
GB878713756A GB8713756D0 (en) 1987-06-12 1987-06-12 Liquid detergent

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CN1030605A CN1030605A (en) 1989-01-25
CN1026013C true CN1026013C (en) 1994-09-28

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PH25774A (en) 1991-10-18
CN1030605A (en) 1989-01-25
AU1756088A (en) 1988-12-15
MX169404B (en) 1993-07-01
DE3851096T2 (en) 1995-04-06
DK318088D0 (en) 1988-06-10
EP0294904A2 (en) 1988-12-14
DK318088A (en) 1988-12-13
FI90786C (en) 1994-03-25
FI90786B (en) 1993-12-15
EP0294904A3 (en) 1989-06-14
PT87722B (en) 1992-10-30
JP2505537B2 (en) 1996-06-12
EG18526A (en) 1993-04-30
MY103581A (en) 1993-08-28
KR890000653A (en) 1989-03-16
KR950013921B1 (en) 1995-11-18
GB8713756D0 (en) 1987-07-15
CA1307714C (en) 1992-09-22
PT87722A (en) 1988-07-01
NZ224980A (en) 1991-01-29
FI882782A0 (en) 1988-06-10
JPS6465200A (en) 1989-03-10
EP0294904B1 (en) 1994-08-17
AU624328B2 (en) 1992-06-11
FI882782A (en) 1988-12-13
DE3851096D1 (en) 1994-09-22

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