CN1155268A - Bleaching compositions - Google Patents
Bleaching compositions Download PDFInfo
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- CN1155268A CN1155268A CN 95193653 CN95193653A CN1155268A CN 1155268 A CN1155268 A CN 1155268A CN 95193653 CN95193653 CN 95193653 CN 95193653 A CN95193653 A CN 95193653A CN 1155268 A CN1155268 A CN 1155268A
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Abstract
Bleaching compositions are disclosed which comprise a lower amount of oxygen bleach, and wherein the bleach performance at higher temperature is maintained by means of a specific surfactant system comprising a cationic surfactant and a hydrophilic nonionic surfactant.
Description
Technical field
The present invention relates to whitener composition.Described composition is specially adapted to bleached woven fabric.
Background technology
The composition that laundry bleaching is used is extensively open in the prior art.Bleaching composition can be divided into peroxide bleaching composition and hypochlorite bleaching compositions.The advantage that the peroxide bleaching composition is better than hypochlorite bleaching compositions is to it is generally acknowledged that it is safer to fabric, particularly to colored fabric.Yet the not convenient part of peroxide compositions is its normally chemically unstable, and this makes it be difficult to be mixed with fully stable commercial peroxide bleaching composition.The feasible pattern that addresses this problem is with high-load superoxide compositions formulated, to prolong " effectively " phase of composition.The shortcoming of this settling mode be before use with use in since composition in the peroxide level height, if user's skin contacts with peroxide compositions, can cause user's skin to occur disturbing and itch.This phenomenon of itching of disturbing is very gentle and can improve fully, but constitutes the potential discomfort for the user.
Therefore an object of the present invention is to prepare the composition that contains more a spot of peroxygen bleach, that is, itching does not appear disturbing in its consumption substantially, and keeps the effect of bleached woven fabric.
Have now found that this purpose can realize that this aqueous composition also contains water-soluble cationic tensio-active agent and hydrophilic nonionic tensio-active agent except containing more a spot of peroxygen bleach by a kind of aqueous composition of preparation.
Summary of the invention
The present composition contains the cats product of hydrogen peroxide or hydrogen peroxide cource, formula R1R2R3R4N+X-, wherein R1 is C8-C16 alkyl or R5-T-CO-R6, wherein T is that O, NH or N-C1-C4 alkyl, R5 are divalence C1-C3 alkylidene group or (C2H4O) m, wherein m is 1 to 8, wherein R2, R3, R4 are respectively C1-C4 alkyl or hydroxyalkyl, benzyl or (C2H4O) xH, wherein x is 2 to 5, R2, the R3, the R4 that are no more than one are benzyl, X is a negatively charged ion, and described composition comprises that also HLB surpasses 13 hydrophilic nonionic tensio-active agent.
Detailed Description Of The Invention
Composition of the present invention is the peroxide bleaching composition.Therefore this composition contains hydrogen peroxide or hydrogen peroxide cource.As discussed earlier, be that the user's that contacts with composition skin can be disturbed and itched when the contained hydrogen peroxide of composition surpasses the problem that occurs when a certain amount of.This to disturb the phenomenon of itching be harmless and improve fully very soon, but cause user's discomfort.If composition contains hydrogen peroxide cource rather than hydrogen peroxide itself, this problem can directly not occur, but dilutes in water before use when said composition, owing to form hydrogen peroxide, can go wrong in use.And not causing that any skin is disturbed, the amount of contained hydrogen peroxide of the present composition or hydrogen peroxide cource do not itch.
Suitable hydrogen peroxide cource used herein comprises perborate, percarbonate, persulphate or the like.Yet preferably use hydrogen peroxide itself, the present composition contains composition total weight 1% to 10%, preferred 2% to 4% hydrogen peroxide.We find, when using more volume, begin skin to occur really and disturb the phenomenon of itching.
Because reduced the consumption of hydrogen peroxide or hydrogen peroxide cource, cause that with the meeting that contains the more amount peroxide bleaching agent skin disturbs the composition of itching and compare, will cause the bleaching action variation.We have found promptly to use peroxide (peroxygen) SYNTHETIC OPTICAL WHITNER of less amount, the specific surfactant system that contains the cats product and the nonionic hydrophilic surfactant that close limit limits of close limit qualification by preparation, at comparatively high temps, for example can keep bleachability more than 50 ℃.
Therefore, composition of the present invention contains the cats product of formula R1R2R3R4N+X-, wherein R1 is C8-C16 alkyl or R5-T-CO-R6, wherein T is O, NH or N-C1-C4 alkyl, and R5 is divalence C1-C3 alkylidene group or (C2H4O) m, and wherein m is 1 to 8, wherein R2, R3, R4 are respectively C1-C4 alkyl or hydroxyalkyl, benzyl or (C2H4O) xH, wherein x is 2 to 5, and R2, R3, the R4 that is no more than is that benzyl and X are negatively charged ion.It is feasible certainly using different above-mentioned formula cats product mixtures.
Preferred R1 alkyl chain length is C12-15, particularly preferred alkyl gene be obtain from coconut or palm-kernel fat or by alkene the synthetic or pure synthetic different chain length mixture that obtains of OXO.Preferred R2, R3 and R4 group are that methyl and hydroxyethyl and suitable negatively charged ion X comprise halide-ions, methylsulfate, acetate moiety and phosphate radical.
The example of suitable cationic surfactants used herein is:
Coco group trimethyl ammonium muriate (this paper preferably uses) or bromide are as the Cequartyl that obtained by Rhone Poulenc with by Albright﹠amp; The Empigen 5141 that Wilson obtains,
Coco group methyl dihydroxy ethyl ammonium muriate or bromide,
Decyl triethyl ammonium muriate,
Decyl dimethyl hydroxyethyl ammonium muriate or bromide,
C12-15 base dimethyl hydroxyethyl ammonium muriate or bromide,
Coco group dimethyl hydroxyethyl ammonium muriate or bromide,
Tetradecyl trimethyl ammonium methyl sulfate salt,
The Bacforbl 80 that dodecyl dimethyl hexadecyldimethyl benzyl ammonium muriate or bromide are obtained by Sidobre, the Sinove and the Bardac 205M that obtain by Lonza,
Dodecyl dimethyl (oxyethylene group) 4 ammonium muriate or bromides.
The present composition contains 0.1% to 20% of composition total weight, preferred 1% to 5% described cats product or its mixture.
The Another essential component that the present composition contains is the hydrophilic nonionic tensio-active agent.We find that being used for suitable nonionogenic tenside of the present invention is that HLB is higher than those of 13.Certainly use the mixture of described nonionogenic tenside.Various nonionogenic tensides are commercial commercially available.Typical nonionogenic tenside is oxyalkylated Fatty Alcohol(C12-C14 and C12-C18).The HLB of the nonionogenic tenside of being given depends on the chain length of Fatty Alcohol(C12-C14 and C12-C18), the character and the extent of alkoxylation of alkoxylate gene.The tensio-active agent catalogue of showing nonionogenic tenside and corresponding HLB is commercially available.Be applicable to that the HLB of being of the present invention is higher than those of 13.Such nonionogenic tenside is commercial commercially available, for example following trade name Dobanol , and 91-8,91-9,91-10 and 91-12 obtain by Shell company.
The present composition should contain composition total weight 0.1% to 20%, preferred 2% to 10% described hydrophilic nonionic tensio-active agent or its mixture.In the preferred embodiment of the invention, described cats product and described hydrophilic nonionic tensio-active agent should exist with positively charged ion and nonionic weight ratio in about 1: 3.The present composition advantageously can be mixed with the emulsion that contains two kinds of nonionogenic tensides with different HLB.In fact, in water-bearing media, contain at least two kinds of different nonionogenic tensides, can obtain stable emulsion with different HLB by being mixed with.This then emulsion can be difficult for the component of compatibility with other in single composition, for example bleach-activating agent and hydrogen peroxide preparation.In the embodiment of the present invention, composition of the present invention contains at least a hydrophilic nonionic tensio-active agent, and it can be aforesaid nonionogenic tenside and a kind of more hydrophobic nonionogenic tenside.The general HLB of suitable hydrophobic surfactant that forms the hydrophobic phase of emulsion is less than about 9.The composition of this embodiment is by mixing all hydrophilic components, and for example water, described hydrophilic nonionic tensio-active agent, described cats product and all other hydrophilic components such as dyestuff, white dyes are mixed with.In addition, all hydrophobic components are mixed, for example described hydrophobicity nonionogenic tenside and other, optionally be formulated in hydrophobic components in the composition, as spices, solvent, enzyme, bleach-activating agent and polymkeric substance.Then, two kinds of mixtures are mixed.If contain a kind of bleach-activating agent in the composition, for example a kind of peracid precursors is preferably selected a kind of hydrophobic bleach activator of preparing in described hydrophobic mixture, so that this separates with hydrophilic peroxygen bleach.Increased the chemical stability of composition like this, thereby remained its performance, as more oxygen.Be suitable for suitable hydrophobic bleach activator used herein and comprise described CitroflexA-2 as WO93/12067; and formula R-O-O-R ' compound, wherein R and R ' are respectively alkyl, alkenyl, alkanoyl, aryl, aroyl, alkylaryl or alkyl aroyl.
The pH that we observe composition plays a crucial role to the composition chemical stability.Therefore, the present composition preferably is mixed with pH1 to 7, and more preferably 3 to 5.The mode that can be used for regulating composition pH is a lot, comprises organic or mineral acid, alkanolamide or the like.This paper may need to use alkanolamide, because we find that alkanolamide can influence the viscosity of product, therefore as can be used as viscosity modifier.
The present composition can contain the multiple choices component.The preferred selectivity composition of composition is to have radical scavenger, and it helps the stability of composition.The suitable radical scavenger that is used for this paper comprises list and dihydroxy-benzene and its analogue, alkyl-carboxylic acid and the aryl ester and their mixture of known replacement.Be used for the preferred radical scavenger of this paper and comprise butylhydroxy toluene, single tertiary butylated hydroquinone, phenylformic acid, toluic acid, tert-butyl catechol, benzyl amine, 1,1,3-three (2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane, commercial commercially available commodity are called Topanol CA ex ICI, and the gallate n-propyl.When using, the general amount of radical scavenger is 0.01% to 2% of a composition total weight, preferred 0.01% to 0.2%.
The present composition can also contain other selectivity composition, is included in negatively charged ion and cats product, washing assistant and the sequestrant prepared in the aqueous favoring, and is the dyestuff that uses attractive in appearance and spices or the like.
Composition of the present invention is applicable to laundry bleach, comprises being used for dirt pre-treatment before washing.In fact, the fabric pre-treatment is to allow this product contact closely with dirt before washing, when pretreated fabric contacts with warm water, the bleaching mechanism of hereinafter describing takes place.The present composition also can be mixed with washing composition itself, or as the detergent additives that is used to add washing composition.The present composition also can be used as dish washing detergent compositions or hard surface cleaner, and its prerequisite is to contact with warm water simultaneously at this place in washing process.
The present invention also comprises the method for bleached woven fabric, tableware, crust; wherein said fabric, tableware or crust contact with containing any composition bleaching liquid required for protection in water medium in 30 ℃ to 90 ℃, and then described bleaching liquid are rinsed from described fabric, tableware or crust.In an embodiment of present method, composition of the present invention at first is applied on the fabric, be so-called pre-treatment, preferably be applied on the dirt of described fabric, follow and describedly contact the sufficiently long time to bleach described fabric in 30 ℃ to 70 ℃ with water medium through pretreated fabric.In this embodiment, described bleaching liquid forms when fabric is sent into water medium.Then, fall to bleach liquid from described fabric rinsing.
Further specify the present invention by following examples and data.
Embodiment-experimental section
Following prescription of the present invention is by listed component is made (weight %) by listed mixed.
Composition 1
Dobanol91-8 3％
Coco group trimethyl ammonium muriate 1%
H2O2 4％
Coco group sodium alkyl sulfate 10%
Dobanol23-3 5％
Water and inessential component surplus
pH 4
Composition 2
Dobanol91-8 3％
Coco group trimethyl ammonium muriate 1%
H2O2 4％
Coco group sodium alkyl sulfate 4%
Dobanol23-3 10％
Water and inessential component surplus
pH 4
Composition 3
Dobanol91-10 3％
Coco group trimethyl ammonium muriate 1%
H2O2 4％
Coco group sodium alkyl sulfate 2%
Dohanol23-3 7％
Water and inessential component surplus
PH 4
Composition 4
Dobanol?91-8 3％
Bardac205M 1％
H2O2 4％
Coco group sodium alkyl sulfate 2%
Dobanol23-3 5％
Water and inessential component surplus
PH 4
The present invention relates in the liquid peroxy bleaching composition to use specific cationic/nonionic surfactant system, can reduce the amount of peroxygen bleach and do not reduce its effect.Following technical data is used for illustrating the present invention.Test is undertaken by following condition.Test is carried out on cotton fabric, each test replicate(determination) 6 times.Fabric before washing, is handled spot with 0.2g product prototype (prototype) as mentioned by dirty.Fabric washs in O type Terg-O-Tometer, and 5g DashUltra Powder is arranged in 500ml water.Between with product prototype processing spot and ensuing washing process, do not have intermittently.
Product prototype (Prototype) A is the composition of composition 1 as mentioned, but does not contain Dobanol91-8 and cats product.Product prototype (Prototype) B is identical with product prototype (Prototype) A, but content 4% becomes 7%.The result lists in following table.
Spot product prototype 1 composition 1 product prototype A composition 1
With with
Product prototype B reference product raw product prototype B product prototype B
B
40℃ 40℃ 60℃ 60℃
Grass stain-0.8s-0.2-1.0s-0.3 cocoa stain+0.1+0.3-0.9 0.0
Tea stain-0.4-0.4-0.7-0.2
Wine stain-0.8-0.3-0.7s 0.0 plant oil stain-1.0s+0.1-1.0s 0.0
Bloodstain-3.2s-1.7s-4.0s-0.8s
The result is represented by the evaluation score of expert judgments evaluation.The minimizing that relatively shows H2O2 of product prototype A and product prototype B is directed at effect and reduces.Composition 1 relatively shows with product prototype B, half H2O2 though 1 of composition is had an appointment, and its effect is the same with product prototype B good.
Another test experiment is as mentioned carried out.In this test, the composition 2 that exemplifies hereinbefore compares with the reference group compound.The reference group compound is the activated bleaching composition that contains hydrogen peroxide and CitroflexA-2.More specifically, the reference group compound contains 6%H2O2,3.5% CitroflexA-2,6%Lutensol TO3,8%Dobanol 45-7,1.5% sodium alkyl sulfate, 0.3% citric acid, 0.2%, and surplus is a water, pH=4.
Product prototype 2 compares with the reference group compound
40℃ 60℃
Grass stain+0.2 0.0
Cocoa stain+0.0+0.2
Tea stain-0.6-0.2
Wine stain-0.1 0.0
Plant oil stain-0.5-0.5
Mineral oil stain+0.3+0.3
Makeup stain+0.92s+0.9s
Tomato stain+0.92s+0.4
Sebum stain-0.67+0.5
Bloodstain-1.0s-4.0s
Comparison shows that the present composition contains the higher bleaching composition of amount of hydrogen peroxide than activatory better effect is arranged.
Claims (10)
1. composition, it contains the cats product of hydrogen peroxide or hydrogen peroxide cource formula RIR2R3R4N+X-, or its mixture, wherein R1 is C8-C16 alkyl or R5-T-CO-R6, wherein T is O, NH or N-C1-C4 alkyl, R5 is divalence C1-C3 alkylidene group or (C2H4O) m, wherein m is 1 to 8, R2 wherein, R3, R4 is respectively C1-C4 alkyl or hydroxyalkyl, benzyl or (C2H4O) xH, x is 2 to 5, R2, R3, R4 is no more than one during for benzyl, X is a negatively charged ion, and described composition also contains HLB and surpasses 13 hydrophilic non-ionic surfactant or its mixture.
2. described composition of claim 1, it contains hydrogen peroxide 1% to 10% in composition total weight, and preferred 2% to 4%.
3. described composition of aforementioned claim, it contains 0.1% to 20% cats product or its mixture in composition total weight, preferably contains 1% to 5%.
4. described composition of aforementioned claim, wherein cats product is a coco group trimethyl ammonium muriate.
5. described composition of aforementioned claim, it contains 0.1% to 20% nonionogenic tenside or its mixture in composition total weight, and preferred 2% to 10%.
6. described composition of aforementioned claim, wherein cats product and hydrophilic nonionic tensio-active agent existed with cats product and hydrophilic nonionic tensio-active agent weight ratio in about 1: 3.
7. described composition of aforementioned any one claim, it is formulated into and contains at least two kinds of emulsions with nonionogenic tenside of different HLB.
8. described composition that also contains a kind of bleach-activating agent L of any one claim as described above.
9. the method for a bleached woven fabric, tableware or crust, wherein said fabric, tableware or crust contact with the sodium hypochlorite solution that contains the described composition of aforementioned any one claim in water medium and subsequently that sodium hypochlorite solution is clean from described fabric, tableware or crust rinsing in 30 ℃ to 90 ℃.
10. one kind as method as described in the claim 9, wherein on described fabric, preferably on textile stains, the first using right profit requires 1 to 8 described composition pre-treatment, describedly subsequently in water medium, contact the sufficiently long time to bleach described fabric in 30 ℃ to 70 ℃, follow sodium hypochlorite solution is clean from described fabric rinsing with the sodium hypochlorite solution that forms thus through pretreated fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95193653 CN1155268A (en) | 1994-06-17 | 1995-05-18 | Bleaching compositions |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94870098.4 | 1994-06-17 | ||
| CN 95193653 CN1155268A (en) | 1994-06-17 | 1995-05-18 | Bleaching compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1155268A true CN1155268A (en) | 1997-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95193653 Pending CN1155268A (en) | 1994-06-17 | 1995-05-18 | Bleaching compositions |
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| Country | Link |
|---|---|
| CN (1) | CN1155268A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492548A (en) * | 2011-04-22 | 2014-01-01 | 花王株式会社 | Liquid detergent composition |
-
1995
- 1995-05-18 CN CN 95193653 patent/CN1155268A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492548A (en) * | 2011-04-22 | 2014-01-01 | 花王株式会社 | Liquid detergent composition |
| CN103492548B (en) * | 2011-04-22 | 2016-01-27 | 花王株式会社 | Liquid cleanser composition |
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