CN102634422A - Preparation method of oxygen-containing washing agent and oxygen-containing washing agent prepared by same - Google Patents
Preparation method of oxygen-containing washing agent and oxygen-containing washing agent prepared by same Download PDFInfo
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Abstract
The invention provides a preparation method of an oxygen-containing washing agent. The preparation method comprises the following steps of: A, adding 1-10 parts by weight of surfactant, 10-70 parts by weight of sodium carbonate, 1-40 parts by weight of sodium sulfate and a raw material combination containing or not containing additional assistant into a reactor, wherein the additional assistant contains 0-20 parts by weight of sodium bicarbonate, 0-30 parts by weight of silicious sodium salt and 0-10 parts by weight of an anti-dirt redeposition agent; and B, adding an aqueous hydrogen peroxide solution in the reactor, controlling the reaction temperature of the reactor to be 0-60 DEG C, shaping and drying after reaction to obtain 100 parts by weight of the oxygen-containing washing agent the active oxygen content of which is 1-12.33%. The invention also provides the oxygen-containing washing agent prepared by using the preparation method. The preparation method provided by the invention is safe and environment-friendly, and can prepare the oxygen-containing washing agent which has the advantages of uniform component distribution, variable active oxygen content, stable performance, and excellent washing effect.
Description
Technical field
The present invention relates to the detergent applications in the household chemicals, be specifically related to a kind of preparation method of oxygen-bearing detergent and the oxygen-bearing detergent for preparing by this preparation method.
Background technology
Washing composition is requisite a kind of household chemicals in the daily life.Coloured spot to natural phant or food; Usually adopt the SYNTHETIC OPTICAL WHITNER of ability activated oxygen released; Two kinds of SYNTHETIC OPTICAL WHITNER at present commonly used are Sodium peroxoborate and SPC-D, can both activated oxygen released after water-soluble, thus remove various pigments that clothing is infected with or that self yellowing forms through oxygenizement.Sodium peroxoborate just can be given full play to its oxygen release bleachability in water temperature more than 60 ℃, need to cooperate acvator or metal catalyst to use at low temperatures; Sodium peroxoborate has potential Health hazard and environmental hazard simultaneously.The stability of SPC-D is not as Sodium peroxoborate, aspect the solubility property of package stability during with use, is difficult to average out.Generally be that Sodium peroxoborate or SPC-D are mixed or the attached polymer molding with other component of washing composition simply in the prior art at present.
For example, a kind of oxygen-bearing detergent is disclosed among the CN1389554A, mainly by SYNTHETIC OPTICAL WHITNER with help washing composition to form, wherein SYNTHETIC OPTICAL WHITNER is any one or more the miscellany in Sodium peroxoborate, SPC-D, the coating SPC-D; Washing assistant is any one or more the miscellany in soda ash, sodium sulfate, the water glass.A kind of bleaching compound soap power containing oxygen is disclosed among the CN1131185A; With peroxide bleaching agent (Sodium peroxoborate, SPC-D), bleach-activating agent, embedding manganous sulfate, modified protein enzyme and soap base powder is host, is that auxiliary agent is formed with ROHM, vinylformic acid-maleic acid.Disclose a kind of sanitising agent among the CN101165151B, comprised compound surfactant, soda ash, saltcake, SPC-D, Starso, Hydrocerol A, Xylo-Mucine, YD 30, stopping composition and water; Compound surfactant is made up of APG, methyl sodiosul foaliphatate, acyl glutamic acid sodium, and stopping composition is an attapulgite.
The SPC-D that is in the above prior art Sodium peroxoborate, SPC-D or coating directly joins in the cleaning composition as component, prepares oxygen-bearing detergent through simple mixing or the attached polymer molding method.But because the size of each component is different with density; In mixing process, be difficult to mix,, in packing, transportation, storage and use, also can produce segregation even mix; Cause the component skewness, the washing effect of the cleaning composition that therefore obtains is still relatively poor.
Summary of the invention
The component that the invention solves cleaning composition existence of the prior art is difficult to uniform distribution and causes the relatively poor technical problem of washing effect.
The invention provides a kind of preparation method of oxygen-bearing detergent, may further comprise the steps:
A, the tensio-active agent that will contain the 1-10 weight part, 10-70 weight part yellow soda ash, 1-40 weight part sodium sulfate, the feedstock composition that contains or do not contain additional adjuvants are added in the reactor drum; The anti-soil dirt deposition agent again of sodium salt and 0-10 weight part of silicic acid that contains sodium hydrogencarbonate, the 0-30 weight part of 0-20 weight part in the said additional adjuvants;
B, in reactor drum, add aqueous hydrogen peroxide solution, the temperature of reaction in the controlling reactor is 0-60 ℃, and reaction is carried out moulding and drying to product after accomplishing, and the active o content that obtains 100 weight parts is the oxygen-bearing detergent of 1-12.33%.
The present invention also provides a kind of oxygen-bearing detergent, and the active o content of said oxygen-bearing detergent is 1-12.33%, and said oxygen-bearing detergent is prepared by preparation method provided by the invention.
The preparation method of oxygen-bearing detergent provided by the invention; Prepare oxygen-bearing detergent through hydrogen peroxide and the compsn direct reaction that contains yellow soda ash; Need not preparation SPC-D or Sodium peroxoborate earlier; Each component is evenly distributed in the oxygen-bearing detergent that obtains, and the component of avoiding causing because of the each component size is different with density is emanated, and therefore can obtain the oxygen-bearing detergent of stable performance, washing effect excellence; Simultaneously, preparation method provided by the invention does not produce waste water, and the dust-laden exhaust gas in the drying process is easy to recycling, process safety environmental protection.In addition, among the present invention, can specifically select the consumption of raw material according to actual needs, make that the active o content in the oxygen-bearing detergent provided by the invention can change to satisfy various demands.
Embodiment
The invention provides a kind of preparation method of oxygen-bearing detergent, may further comprise the steps:
A, the tensio-active agent that will contain the 1-10 weight part, 10-70 weight part yellow soda ash, 1-40 weight part sodium sulfate, the feedstock composition that contains or do not contain additional adjuvants are added in the reactor drum; The anti-soil dirt deposition agent again of sodium salt and 0-10 weight part of silicic acid that contains sodium hydrogencarbonate, the 0-30 weight part of 0-20 weight part in the said additional adjuvants;
B, in reactor drum, add aqueous hydrogen peroxide solution, the temperature of reaction in the controlling reactor is 0-60 ℃, and reaction is carried out moulding and drying to product after accomplishing, and the active o content that obtains 100 weight parts is the oxygen-bearing detergent of 1-12.33%.
Among the present invention, said tensio-active agent is the various tensio-active agents of using always in the household detergent in the prior art, for example can be selected from AS, the nonionogenic tenside one or more.Wherein, said AS can be selected from linear alkylbenzene sulphonic acid (LAS), sodium soap (soap powder), sodium alkyl sulfate (AS), SAS (SAS), α-sodium olefin sulfonate (AOS), polyoxyethylenated alcohol sodium sulfate (AES), methyl sodiosul foaliphatate (MES), the AEO carboxylic acid sodium salt (AEC) any one or multiple.Said nonionogenic tenside be selected from AEO (AEO), fatty acid methyl ester ethoxylate (MEE), the APG (APG) any one or multiple.
Under the preferable case, Surfactant described in the present invention adopts tensio-active agent insensitive to the hardness of bath water or that susceptibility is not high, promptly is not washed the tensio-active agent of the calcium/mg ion influence washing soil removability in the water.More preferably under the situation, said tensio-active agent adopts the AEO (AEO) in the nonionogenic tenside.In addition, because oxygen-bearing detergent of the present invention in use can activated oxygen released, therefore be not suitable for the present invention by the tensio-active agent of active oxygen oxidation easily.
With 100 weight parts oxygen-bearing detergent provided by the invention is benchmark, and amount of surfactant described in the present invention is the 1-10 weight part.
Among the present invention, the yellow soda ash that is adopted does not receive its kind, preparing method's difference and influences, and for example light sodium carbonate, heavy yellow soda ash, ultralight matter yellow soda ash, overweight matter yellow soda ash etc. are all applicable to the present invention.In addition, monohydrated sodium carbonate, Sodium carbonate decahydrate are also applicable to the present invention.With 100 weight parts oxygen-bearing detergent provided by the invention is benchmark, and the consumption of yellow soda ash described in the present invention is the 10-70 weight part.
Among the present invention, said sodium sulfate is selected from one or both in SODIUM SULPHATE ANHYDROUS 99PCT, the sal glauberi.With 100 weight parts oxygen-bearing detergent provided by the invention is benchmark, and the consumption of sodium sulfate is the 1-40 weight part.
Among the present invention, the pH value the when sodium salt of said sodium hydrogencarbonate and silicic acid is used to regulate the oxygen-bearing detergent use.Wherein, the sodium salt of said silicic acid be selected from bubble flower alkali, Starso, metasilicate pentahydrate sodium, amorphous sodium disilicate, the laminated crystal of sodium disilicate any one or multiple.With 100 weight parts oxygen-bearing detergent provided by the invention is benchmark, and the consumption of sodium hydrogencarbonate is the 0-20 weight part, and the consumption of the sodium salt of silicic acid is the 0-30 weight part.
In order to make the dirt suspended dispersed that splits away off on the matrix in washing medium, no longer deposit to stromal surface, or will deposit again and be reduced to bottom line, also adding in the oxygen-bearing detergent of the present invention has anti-soil dirt deposition agent again.Said anti-soil dirt deposition agent again is selected from the prior art various anti-soil dirts commonly used deposition agent again, for example can be selected from carboxymethyl cellulose sodium (CMC), Natvosol (HEC), CMS (CMS), ZX-I, MALEIC ANHYDRIDE and acrylic acid multipolymer, maleic anhydride and acrylic acid multipolymer, Vinylpyrrolidone polymer (PVP), polyoxyethylene glycol, the Z 150PH (PVA) any one or multiple.With 100 weight parts oxygen-bearing detergent provided by the invention is benchmark, and the anti-soil dirt consumption of deposition agent again is the 0-10 weight part.
According to the method for the invention, each raw material in the steps A is added in the reactor drum, add aqueous hydrogen peroxide solution then, this moment, hydrogen peroxide promptly began reaction generation SPC-D with yellow soda ash.Among the present invention, the concentration of said aqueous hydrogen peroxide solution is 27.5-70wt%, is preferably 35-50wt%.
Among the present invention, the consumption of hydrogen peroxide can suitably be selected the requirement of active o content according to the end-use of oxygen-bearing detergent.Owing in reaction process, have a spot of hydrogen peroxide decomposition, so the actual amount of aqueous hydrogen peroxide solution is measured a little more than theoretical chemistry among the present invention, for example the metering of the amount ratio theoretical chemistry of aqueous hydrogen peroxide solution many 2%.Under the preferable case, be benchmark with the oxygen-bearing detergent of 100 weight parts, the consumption of aqueous hydrogen peroxide solution is the 2.17-26.74 weight part.Among the present invention, the consumption of aqueous hydrogen peroxide solution calculates with contained hydrogen peroxide.
Among the present invention; Begin reaction after adding aqueous hydrogen peroxide solution; If temperature of reaction is higher than 60 ℃; Though the performance of product is unaffected, hydrogen peroxide can decompose the productive rate that influences active oxygen in advance, and temperature of reaction the speed of response of hydrogen peroxide and yellow soda ash is slow when being lower than 0 ℃, the reaction times is long.Therefore,, improve the utilization ratio of hydrogen peroxide for the reaction that makes hydrogen peroxide and yellow soda ash is carried out smoothly, should the strict temperature of controlling reaction among the present invention.Particularly, among this step B, temperature of reaction is controlled to be 0-60 ℃, is preferably 20-40 ℃.
Among the present invention, the control of temperature of reaction can be taken away heat through the heat-eliminating medium in the cooling jacket of reactor drum on the one hand, on the other hand can be through the adding speed of control aqueous hydrogen peroxide solution.
The adition process of aqueous hydrogen peroxide solution is slow adition process, but can not be slow excessively.Under the preferable case, being added in 30-90 minute of aqueous hydrogen peroxide solution accomplished.Aqueous hydrogen peroxide solution adds accomplishes continued reaction 5-10 minute.Among the present invention, the adding mode of aqueous hydrogen peroxide solution can be spray, but is not limited to this.Adding speed through to hydrogen peroxide is suitably selected, and makes the quantity of heat production in the reaction system unit time little in the fluctuation of entire reaction stage, helps heat-eliminating medium and in time takes away heat.In order more successfully to accomplish reaction, before adding aqueous hydrogen peroxide solution, can cool off or freezing treatment it earlier.
According to the method for the invention, after reaction was accomplished, the reaction product that obtains did not have tangible surface water for wet pulverulent mixture, has certain fluidity, can directly be used for moulding.Under the preferable case, said forming method is granulation.The granulated product that obtains after the granulation can adopt conventional drying plant to carry out drying, makes its water cut less than 2%, can obtain oxygen-bearing detergent provided by the invention.
Among the present invention, can dried desciccate be carried out the back batching handle according to actual needs.For example, said back batching is handled and is comprised toward desciccate in and add enzyme for detergent, and decomposing protein, starch, fat type soil improve detersive power effectively, reduce amount of surfactant, the minimizing environmental pollution.Said enzyme for detergent can be selected from Sumizyme MP, glycase, alkali cellulose enzyme, lypase, the mannase any one or multiple.Oxygen-bearing detergent with 100 weight parts is a benchmark, and the consumption of said enzyme for detergent is the 0.1-0.5 weight part.
As a kind of preferred implementation of the present invention, in order to give complementary color, blast optically behind the clothes washing, realize visual whitening effect, also comprise the step of adding white dyes in the oxygen-bearing detergent among the present invention.Said white dyes can be added in the feedstock composition before hydroperoxidation, also can after reaction, in the batching treating processes of back, be added in the desciccate, and the present invention does not have special stipulation.Oxygen-bearing detergent with 100 weight parts is a benchmark, and the consumption of white dyes is the 0.05-0.5 weight part.
According to light industry standard QB/T 2953-2008 " detergent use white dyes " regulation, the white dyes of detergent use is divided into two big series products, i.e. distyryl biphenyl class and two triazine amino-stilbene classes.Because oxygen-bearing detergent is the meeting activated oxygen released in washing process, so the white dyes that is adopted among the present invention should have the performance of excellent anti oxygenant.Among the present invention, said white dyes can directly adopt one or more in the fluorescent brightener CBS, white dyes No. 33, No. 31.Particularly, be benchmark with the oxygen-bearing detergent of 100 weight parts, the consumption of fluorescent brightener CBS is the 0.05-0.25 weight part, and the consumption that No. 33, white dyes is the 0.1-0.5 weight part, and the consumption that No. 31, white dyes is the 0.08-0.2 weight part.
Among the present invention,, also be included in the step that back batching adds essence in handling among the preparation method who provides of the present invention, the step of adding essence in the desciccate that promptly obtains after the step B drying in order to satisfy the demand of fragrance.Said essence can be lemon flavour of the prior art or various bouquet type composition, for example can be jasmine flower essence or Rose essence.The present invention does not have special stipulation to the concrete consumption of essence in the oxygen-bearing detergent, carries out corresponding selection according to the actual requirements and gets final product.
Among the present invention, except that specializing, the consumption of raw material is all in butt.
The present invention also provides a kind of oxygen-bearing detergent, and the active o content of said oxygen-bearing detergent is 1-12.33%, and said oxygen-bearing detergent is prepared by preparation method provided by the invention.
The oxygen-bearing detergent for preparing through preparation method provided by the invention; Its active o content is 1-12.33%; Can be used as washing composition and culinary washing composition that clothing is used; Also can be used as multifunctional detergent and be used for the sanitation and hygiene of household, also can be used as the desinfactant detergent or the cleaning disinfectant of clothing, crust.
Oxygen-bearing detergent of the present invention has good removal greasy dirt and sebum dirt, and is effective especially to natural coloured spot, can effectively kill simultaneously and remove bacterium, and the decomposing bacteria movement is removed the foreign odor flavor, and good with Environmental compatibility.
The present invention compared with prior art has the following advantages:
(1) oxygen-bearing detergent provided by the invention, component is evenly distributed, and active o content can change, and can satisfy various demands, and its stable performance, can effectively avoid the different component segregations that cause with density of size because of each component.
(2) the present invention adopts the hydrogen peroxide direct reaction to prepare oxygen-bearing detergent, does not need preparation SPC-D or Sodium peroxoborate earlier, and the active o content height and the oxygen activity of the oxygen-bearing detergent that obtains are strong, have excellent washing effect.
(3) preparation method of oxygen-bearing detergent provided by the invention does not produce waste water in the technological process, the dust-laden exhaust gas in the drying process is easy to recycling, whole process safety environmental protection.
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.The raw material that adopts all is commercially available among the embodiment.
Embodiment 1
70.0kg light sodium carbonate, 1.0kg StNa and 1.0kg SODIUM SULPHATE ANHYDROUS 99PCT are joined in the reactor drum, stirred 5 minutes.Take by weighing aqueous hydrogen peroxide solution 53.26kg (with H
2O
2Meter 50.2wt%), in 90 minutes, through shower aqueous hydrogen peroxide solution is added in the reactor drum, control reaction temperature is 0-5 ℃; After aqueous hydrogen peroxide solution adds, continue reaction 10 minutes.Adopt tablets press that reaction product is carried out granulation, fluidised bed drying obtains solid particulate then, is the oxygen-bearing detergent S1 of present embodiment, as cleaning disinfectant.
Embodiment 2
50.0kg monohydrated sodium carbonate (in butt), 4.0kg X 2073 (LAS), 1.0kg AEO (AEO), 1.0kg α-sodium olefin sulfonate (AOS), 5.0kg metasilicate pentahydrate sodium (in butt), 8.0kg carboxymethyl cellulose sodium (CMC), 13.0kg food grade sodium hydrogencarbonate and 14.4kg sal glauberi (in butt) are gone in reactor drum, stirred 5 minutes.Take by weighing aqueous hydrogen peroxide solution 3.09kg (with H
2O
2Meter 70.3wt%), in 30 minutes, through spray thrower aqueous hydrogen peroxide solution is added in the reactor drum, control reaction temperature is 20-25 ℃; After aqueous hydrogen peroxide solution adds, continue reaction 10 minutes.Adopt tablets press that reaction product is carried out granulation, fluidised bed drying obtains solid particulate then.In solid particulate, add glycase 0.5kg and lemon flavour 0.02kg then, obtain the oxygen-bearing detergent S2 of present embodiment, as the kitchen cleaning agent for dinnerware.
Embodiment 3
10.0kg heavy yellow soda ash, 6.0kg sodium alkyl sulfate (AS), 3.0kg fatty acid methyl ester ethoxylate (MEE), 1.0kg methyl sodiosul foaliphatate (MES), 30.0kg anhydrous sodium metasilicate, 8.0kg Natvosol (HEC), 2.0kg maleic anhydride and acrylic acid multipolymer, 20.0kg sodium hydrogencarbonate and 14.0kg SODIUM SULPHATE ANHYDROUS 99PCT are gone in reactor drum, stirred 3 minutes.Take by weighing aqueous hydrogen peroxide solution 17.6kg (with H
2O
2Meter 27.6wt%), in 40 minutes, through spray thrower aqueous hydrogen peroxide solution is added in the reactor drum, control reaction temperature is 35-40 ℃; After aqueous hydrogen peroxide solution adds, continue reaction 5 minutes.Adopt tablets press that reaction product is carried out granulation, fluidised bed drying obtains solid particulate then.In solid particulate, add proteinase-10 .1kg, cellulase 0.1kg and jasmine flower essence 0.02kg then, obtain the oxygen-bearing detergent S3 of present embodiment, as laundry detergent.
Embodiment 4
10.0kg ultralight matter yellow soda ash, 6.0kg SAS (SAS), 3.0kg AEO carboxylic acid sodium (AEC), 1.0kg APG (APG), 5.0kg bubble flower alkali, 5.0kg laminated crystal of sodium disilicate, 6.0kg CMS (CMS), 2.0kg polyoxyethylene glycol, 15.0kg sodium hydrogencarbonate, 20.0kg SODIUM SULPHATE ANHYDROUS 99PCT, 20.0kg sal glauberi (in butt) and 0.5kg white dyes are joined in the reactor drum for No. 33, stirred 3 minutes.Take by weighing aqueous hydrogen peroxide solution 14.7kg (with H
2O
2Meter 35.2wt%), in 40 minutes, through spray thrower aqueous hydrogen peroxide solution is added in the reactor drum, control reaction temperature is 55-60 ℃; After aqueous hydrogen peroxide solution adds, continue reaction 5 minutes.Adopt tablets press that reaction product is carried out granulation, fluidised bed drying obtains solid particulate then.In solid particulate, add proteinase-10 .1kg, mannase 0.1kg, Rose essence 0.02kg then, obtain the oxygen-bearing detergent S4 of present embodiment, as laundry detergent.
Embodiment 5
The overweight matter yellow soda ash of 40.0kg, 8.0kg Sodium carbonate decahydrate (in butt), 5.0kg polyoxyethylenated alcohol sodium sulfate (AES), the amorphous sodium disilicate of 5.0kg, 2.0kg Z 150PH (PVA), 10.0kg sodium hydrogencarbonate, 11.5kg SODIUM SULPHATE ANHYDROUS 99PCT and 0.2kg white dyes are joined in the reactor drum for No. 31, stirred 3 minutes.Take by weighing aqueous hydrogen peroxide solution 34.0kg (with H
2O
2Meter 50.2wt%), in 40 minutes, through spray thrower aqueous hydrogen peroxide solution is added in the reactor drum, control reaction temperature is 30-35 ℃; After aqueous hydrogen peroxide solution adds, continue reaction 5 minutes.Adopt tablets press that reaction product is carried out granulation, fluidised bed drying obtains solid particulate then.In solid particulate, add proteinase-10 .1kg, lypase 0.1kg, lemon flavour 0.02kg then, obtain the oxygen-bearing detergent S5 of present embodiment, as laundry detergent.
Performance test:
(1) mensuration of active o content
Take by weighing about 0.2g oxygen-bearing detergent S1-S5 (being accurate to 0.0002g) respectively, place Erlenmeyer flask, wetting with less water; Add the 100mL sulphuric acid soln and make whole dissolvings; Shake up, to the solution pinkiness, and in 30s, do not disappear and be terminal point with the titration of potassium permanganate standard titration solution.Do blank test simultaneously.
(2) mensuration of moisture
Take by weighing about 3g oxygen-bearing detergent S1-S5 (being accurate to 0.1g) respectively, place the weighing bottle of constant mass, in baking oven, be dried to constant mass in 140 ℃.
Test result is as shown in table 1.
Above embodiment is merely preferred implementation of the present invention, should be pointed out that to those skilled in the art, and under the prerequisite that does not break away from the principle of the invention, some improvement of having done also should be regarded as protection scope of the present invention.
Claims (13)
1. the preparation method of an oxygen-bearing detergent is characterized in that, may further comprise the steps:
A, the tensio-active agent that will contain the 1-10 weight part, 10-70 weight part yellow soda ash, 1-40 weight part sodium sulfate, the feedstock composition that contains or do not contain additional adjuvants are added in the reactor drum; The anti-soil dirt deposition agent again of sodium salt and 0-10 weight part of silicic acid that contains sodium hydrogencarbonate, the 0-30 weight part of 0-20 weight part in the said additional adjuvants;
B, in reactor drum, add aqueous hydrogen peroxide solution, the temperature of reaction in the controlling reactor is 0-60 ℃, and reaction is carried out moulding and drying to product after accomplishing, and the active o content that obtains 100 weight parts is the oxygen-bearing detergent of 1-12.33%.
2. preparation method according to claim 1 is characterized in that, in the steps A, said tensio-active agent is one or more in AS, the nonionogenic tenside.
3. preparation method according to claim 2; It is characterized in that, said AS be selected from linear alkylbenzene sulphonic acid, sodium soap, sodium alkyl sulfate, SAS, α-sodium olefin sulfonate, polyoxyethylenated alcohol sodium sulfate, methyl sodiosul foaliphatate, the AEO carboxylic acid sodium salt any one or multiple.
4. preparation method according to claim 2 is characterized in that, said nonionogenic tenside be selected from AEO, fatty acid methyl ester ethoxylate, the APG any one or multiple.
5. preparation method according to claim 1 is characterized in that, in the steps A, said yellow soda ash be in light sodium carbonate, heavy yellow soda ash, ultralight matter yellow soda ash, overweight matter yellow soda ash, monohydrated sodium carbonate, the Sodium carbonate decahydrate any one or multiple; Said sodium sulfate is selected from one or both in SODIUM SULPHATE ANHYDROUS 99PCT, the sal glauberi.
6. preparation method according to claim 1 is characterized in that, in the steps A, the sodium salt of said silicic acid be selected from bubble flower alkali, Starso, metasilicate pentahydrate sodium, amorphous sodium disilicate, the laminated crystal of sodium disilicate any one or multiple; Said anti-soil dirt again deposition agent be selected from carboxymethyl cellulose sodium, Natvosol, CMS, ZX-I, MALEIC ANHYDRIDE and acrylic acid multipolymer, maleic anhydride and acrylic acid multipolymer, Vinylpyrrolidone polymer, polyoxyethylene glycol, the Z 150PH any one or multiple.
7. preparation method according to claim 1 is characterized in that, among the step B, the concentration of said aqueous hydrogen peroxide solution is 27.5-70wt%; Oxygen-bearing detergent with 100 weight parts is a benchmark, and in hydrogen peroxide, the consumption of aqueous hydrogen peroxide solution is the 2.17-26.74 weight part.
8. preparation method according to claim 1 is characterized in that, among the step B, preferable reaction temperature is 20-40 ℃; Being added in 30-90 minute of aqueous hydrogen peroxide solution accomplished, and aqueous hydrogen peroxide solution adds accomplishes continued reaction 5-10 minute.
9. preparation method according to claim 1 is characterized in that, among the step B, also comprises the step of dry back adding enzyme for detergent in the desciccate; Said enzyme for detergent be selected from Sumizyme MP, glycase, alkali cellulose enzyme, lypase, the mannase any one or multiple; Oxygen-bearing detergent with 100 weight parts is a benchmark, and the consumption of said enzyme for detergent is the 0.1-0.5 weight part.
10. preparation method according to claim 1 is characterized in that, among the step B, also comprises the step of dry back adding essence in the desciccate; Said essence is selected from lemon flavour, jasmine flower essence or Rose essence.
11. preparation method according to claim 1 is characterized in that, also comprises: the step that adds white dyes in the reactor drum of steps A; Perhaps, the step that adds white dyes in the dried desciccate of step B; Said white dyes be in toluylene biphenyl class whitening agent, the two triazine amino-stilbene class whitening agent any one or multiple.
12. preparation method according to claim 11 is characterized in that, is benchmark with the oxygen-bearing detergent of 100 weight parts, the consumption of white dyes is the 0.05-0.5 weight part.
13. an oxygen-bearing detergent is characterized in that, the active o content of said oxygen-bearing detergent is 1-12.3%, and said oxygen-bearing detergent is prepared by each described preparation method of claim 1-12.
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