CN101940204A - Novel method for stabilizing sodium hypochlorite disinfectant - Google Patents

Novel method for stabilizing sodium hypochlorite disinfectant Download PDF

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CN101940204A
CN101940204A CN201010218108XA CN201010218108A CN101940204A CN 101940204 A CN101940204 A CN 101940204A CN 201010218108X A CN201010218108X A CN 201010218108XA CN 201010218108 A CN201010218108 A CN 201010218108A CN 101940204 A CN101940204 A CN 101940204A
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disinfectant
making
javelle water
clorox
antihunt means
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CN201010218108XA
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Chinese (zh)
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刘家强
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Abstract

The invention discloses a novel method for stabilizing the sodium hypochlorite disinfectant. The preparation process using the method mainly relates to a novel sodium hypochlorite stabilizer which may be chlorobromocyclotriphosphazene (ClnBrmN3P3, wherein the sum of n and m is equal to 6, and n is not greater than 3), chloroiodocyclotriphosphazene (ClnImN3P3, wherein the sum of n and m is equal to 6, and n is not greater than 3), mixed chlorine, bromine and iodine substituents of cyclotriphosphazene, or the mixed halogen or other group substituent of cyclotriphosphazene The disinfectant can be stably stored under the condition of a pH value above 9.2 and added with potassium permanganate as the coloring agent. The method is based on the direct action of hypochlorite in the disinfectant, so that the disinfectant has obviously prolonged stability and effective chlorine retention period compared with the similar disinfection products, and not only reduces the corrosivity of sodium hypochlorite and effectively solves the stability problem of the disinfectant of sodium hypochlorite without increasing the cost and reducing the disinfection and sterilization capabilities of the disinfectant of sodium hypochlorite. The disinfectant can be stored for fourteen days at a constant temperature of 54 DEG C and constant humidity and three months at a constant temperature of 37 DEG C and constant humidity, and the reduction of available chlorine is less than 10 percent under the conditions.

Description

A kind of novel javelle water antihunt means
Technical field
The present invention relates to the javelle water antihunt means, utilize the interaction of new stabilizer and clorox, efficiently solve the stable problem of javelle water.
Background technology
Clorox (NaCl0) is a kind of bleaching agent, disinfectant and deodorant that generally uses, be characterized in that production technology is simple, cost is low, be widely used in health care sterilization and the industrial and agricultural production, to be that main component is composite make a lot of equal hypochlorous sodium of chlorine-containing disinfectant on the domestic and international market, uses in a large number as the builder commodity abroad.But, wear many difficulties transportation, storage, user because the aqueous sodium hypochlorite solution poor stability easily decomposes.Because industrial clorox itself, or the time with the composite use of materials such as other reagent such as surfactant, corrosion inhibiter, essence, there is certain shortcoming at aspects such as stability, limited its usage amount and storage period, the stability problem of javelle water has just become the vital cardinal task of javelle water manufacturer for this reason.
To so far, the research of the stability mechanism of javelle water mainly contains the following aspects:
The first, control causes the external condition that javelle water decomposes
This mechanism is based on the compound action of surfactant and various chemical assistants, but this mechanism of action does not change the motion state in the aqueous solution of clorox molecule itself, do not change the natural decomposition rule of clorox under light, heat, pH value and heavy metal ion effect, so this external action is very limited to the improvement of javelle water stability.
1) adds various salts, such as sodium silicate, sodium carbonate, sodium phosphate, sodium aluminate, sodium zincate etc.
2) add various organic macromolecules such as cellulose, sucrose, gelatin etc.
3) add complexing agent, the control concentration of heavy metal ion is such as adding EDTA, aminophosphonic acid etc.Thereby oxine or phenanthroline just are based on the chelation of metal ion is realized stabilization to a certain degree to javelle water.
4) add surfactant.
The second, based on certain complexing of clorox or its catabolite.Though this mechanism of action experiment showed, that to stability and some raising of storage life existence of clorox this effect also is very limited.
1) adds sodium phosphate and sodium chloride, produce the ion complex of sodium phosphate, sodium chloride and clorox.
2) add ammonium acetate, dicyandiamide, urea etc., this mechanism may be based on Cl +Interaction with amino.
3) utilize the right form of negative ions, adding can form certain right material of negative ions with the hypochlorite effect, thereby has stablized this thimerosal to a certain extent.
The 3rd, utilize boron nitride as stabilizing agent, may be based on the complexing of hypochlorite and boron nitride, this is a kind of chemical action mechanism, utilized the boron atom the unoccupied orbital complexing hypochlorite, thereby changed the molecular motion rule of clorox in the aqueous solution.But this stable shortcoming that himself is arranged owing to boron nitride decomposes easily, thereby causes the decomposition of clorox, so this stabilization can only maintain under the higher pH value when pH value is low.
Said method is changing the characteristics of motion of clorox in the aqueous solution in varying degrees, but its pluses and minuses are all arranged, and certain restriction is arranged in practicality; Let alone and add potassium permanganate and preserve under low pH value as colouring agent and used, these all
Limited the scope of application of the thimerosal of this cheap, easy production greatly.
Summary of the invention
At above-mentioned the deficiencies in the prior art, studying on the basis of boron nitride as stabilizing agent mechanism, the present invention has mainly designed a kind of chemical action mechanism, has designed stabilizing agent chlorobromo cyclotriphosphonitrile (Cl nBr mN 3P 3, n+m=6 wherein, n is not more than 3) and chloroiodo cyclotriphosphonitrile (Cl nI mN 3P 3N+m=6 wherein, n is not more than 3), has stable phosphorus nitrogen aromatic rings in this stabilizing agent molecule, stabilizing agent itself is because bromine, the existence of iodine is not stablized with the hydrone effect, and this stabilizing agent has no side effect, reversible Chemical Exchange effect---reversible nucleophilic substitution can take place with hypochlorite in the chlorine in the molecule, thereby fundamentally changing clorox intrinsic motion state in the aqueous solution, improved the stability of aqueous sodium hypochlorite solution greatly as thimerosal, all there have been tangible prolongation its stability and holding time than the javelle water goods that prior art makes as a result, alleviated the corrosivity of clorox, not only can use greater than 9.2 o'clock, and can add potassium permanganate as colouring agent at pH value.Because the consistent dose that is added is small, there is not obviously to increase the cost of thimerosal.Preserve available chlorine decline in 14 days all less than 10% in 37 ℃ of constant temperature and humidities preservations 3 months and 54 ℃ of constant temperature and humidities.
The present invention has designed a kind of novel javelle water antihunt means, is made up of following steps:
(1) with clorox stoste with pure water or distilled water diluting to available chlorine about 0.5%, add silicate, EDTA and borax, and pH value transferred to about 9.7 with phosphate
(2) step (1) gained solution is added anion surfactant and stabilizing agent ring three phosphonitriles, stir and make its dissolving.
(3) step (2) gained solution is added colouring agent potassium permanganate.
(4) step (3) gained NaOH solution tank NaOH is loaded in the opaque bottle of sludge proof, under sombre condition, preserves.
Wherein, described each chemical reagent of step (1) is sodium silicate, EDTA, borax and potassium dihydrogen phosphate.
Wherein, the described pH value of step (1) is 9.7.
Wherein, the described clorox effective chlorine density of step (1) is 0.5%.
Wherein, the described clorox stabilizing agent of step (2) is tribromo trichlorine ring three phosphonitriles.
Wherein, the concentration of the described clorox stabilizing agent of step (2) ring three phosphonitriles is 10ppm.
Wherein, the colouring agent of the described javelle water of step (3) is a potassium permanganate.
Owing to method of the present invention, changed the decomposition rule of javelle water, improved the stability of clorox greatly as a kind of thimerosal.Owing to the adding of extraordinary stabilizing agent, alleviated the corrosivity of clorox; Not only the available chlorine holding time surpasses 2 years, and pH value is more suitable for having reduced excitant in practicality; And since potassium permanganate as the adding of colouring agent more convenient use, thereby make easier sterilization and the sterilization that is used in each field such as industrial production, family life and medicine more easily of this thimerosal cheap and easy to get.
Embodiment
With clorox stoste with pure water or distilled water diluting to available chlorine about 0.5%, add complexing agent EDTA, silicate and borax, and with phosphate pH value is transferred to about 9.7, add anion surfactant and stabilizing agent ring three phosphonitriles, stir and make its dissolving.Add colouring agent potassium permanganate 1mg/L, canned in the opaque bottle of sludge proof, under sombre condition, preserve.Preserved 14 days at 54 ℃ of following constant temperature and humidities, measure available chlorine content then.
Comparative example 1: the comparison of different stabilizers
Stabilizing agent Consumption ppm Available chlorine decline %
Blank ?0? 86?
Trichlorine triphenylamine ring three phosphonitriles ?10? 42?
Trichlorine triiodo ring three phosphonitriles ?10? 5.6?
Trichlorine tribromo ring three phosphonitriles ?10? 2.1?
Comparative example 2: the comparison of the different additions of same stabilizing agent
Trichlorine tribromo ring three phosphonitrile addition ppm Available chlorine decline %
0? 86?
5? 13?
10? 2.1?
20? 9.9?
25? 23?
Comparative example 3: same stabilizing agent (10ppm trichlorine tribromo ring three phosphonitriles) is in the comparison of different PH
PH value Available chlorine decline %
9.7? 2.1?
9.5? 3.6?
9.3? 7.2?
9.2? 9.4?
Attached: the stabilizing agent cyclotrinitrile phosphide is not a known materials of the prior art, can only produce by chemosynthesis, synthetic method with trichlorine tribromo ring three phosphonitriles for for example down:
Take by weighing a certain amount of hexachlorocyclotriph,sphazene, add in the round-bottomed flask, add the cationic surfactant of certain amount of organic solvent such as chloroform, sodium bromide, trace again, heated and stirred refluxes.The distilled water that adds a little in the reaction.Filter, reclaim solvent, both.React as follows:
(PN) 3Cl 6+3NaBr=(PN) 3Cl 3Br 3+3NaCl
NaBr with (PN) 3Cl 6Mol ratio be: 3.1-3.2: 1.

Claims (10)

1. novel javelle water antihunt means, form by the following step:
(1) with clorox stoste with pure water or distilled water diluting, add silicate, EDTA and borax, and pH value transferred to about 9.7 with phosphate.
(2) step (1) gained solution is added anion surfactant and stabilizing agent ring three phosphonitriles, stir and make its dissolving.
(3) step (2) gained solution is added colouring agent potassium permanganate 1mg/L.
(4) step (3) gained NaOH solution tank NaOH is loaded in the opaque bottle of sludge proof, under sombre condition, preserves.
2. as making the described javelle water antihunt means of claim 1, it is characterized in that described each chemical reagent of step (1) is sodium silicate, EDTA, borax and potassium dihydrogen phosphate.
3. as making the described javelle water antihunt means of claim 1, it is characterized in that the described pH value of step (1) is 9.7.
4. as making the described javelle water antihunt means of claim 1, it is characterized in that the described pH value of step (1) is 9.2 to 10.0.
5. as making the described javelle water antihunt means of claim 1, it is characterized in that the described clorox effective chlorine density of step (1) is 0.01% to 10.0%.
6. as making the described javelle water antihunt means of claim 1, it is characterized in that the described clorox effective chlorine density of step (1) is 0.5%.
7. as making the described javelle water antihunt means of claim 1, it is characterized in that the described clorox stabilizing agent of step (2) is chlorobromo cyclotriphosphonitrile (Cl nBr mN 3P 3, n+m=6 wherein, n is not more than 3), chloroiodo cyclotriphosphonitrile (Cl nI mN 3P 3, n+m=6 wherein, n is not more than 3), the chloroiodo cyclotriphosphonitrile of ring three phosphonitriles and encircle the halogen of three phosphonitriles and the substituent that mixes of other group, or the mixture of above-mentioned two kinds or several ring three phosphonitrile mixing substituents.
8. as making the described javelle water antihunt means of claim 1, it is characterized in that the concentration of the described clorox stabilizing agent of step (2) ring three phosphonitriles is 10ppm.
9. as making the described javelle water antihunt means of claim 1, it is characterized in that the colouring agent of the described javelle water of step (3) is a potassium permanganate.
10. as making the described javelle water stabilizing agent of claim 1 synthetic method, it is characterized in that, hexachlorocyclotriph,sphazene is dissolved in the organic solvent, add sodium bromide or sodium iodide and other compounds, add hot reflux, solvent evaporated both gets; Reaction equation: (PN) 3Cl 6+ 3NaBr=(PN) 3Cl 3Br 3+ 3NaCl.
CN201010218108XA 2010-06-26 2010-06-26 Novel method for stabilizing sodium hypochlorite disinfectant Pending CN101940204A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106472562A (en) * 2016-09-22 2017-03-08 长兴净安环保科技有限公司 A kind of stable type 84 disinfectant solution and preparation method thereof
CN106915726A (en) * 2015-12-25 2017-07-04 广州亿奇科技股份有限公司 The stabilizer of liquor natrii hypochloritis, preparation method and applications
CN110122486A (en) * 2019-05-13 2019-08-16 中天恒安(北京)科技有限公司 A kind of stable sodium hypochlorite solution and preparation method thereof
CN110367275A (en) * 2019-06-19 2019-10-25 山东消博士消毒科技股份有限公司 A kind of thimerosal and preparation method thereof
CN112504952A (en) * 2020-12-23 2021-03-16 广州广电计量检测股份有限公司 Continuous testing method for corrosion behavior of disinfectant
CN113424821A (en) * 2021-06-07 2021-09-24 右江民族医学院 Preparation method of stable hypochlorous acid disinfectant for sterilizing and disinfecting
CN115868482A (en) * 2022-11-30 2023-03-31 上海卓景生物科技有限公司 Production process of sodium hypochlorite disinfectant
CN118177198A (en) * 2024-05-15 2024-06-14 德州五岳洗涤消毒制品有限公司 Sodium hypochlorite disinfectant

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CN1947517A (en) * 2006-09-14 2007-04-18 刘家强 Method for stabilizing disinfectant liquid contg. sodium hypochlorite

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106915726A (en) * 2015-12-25 2017-07-04 广州亿奇科技股份有限公司 The stabilizer of liquor natrii hypochloritis, preparation method and applications
CN106915726B (en) * 2015-12-25 2019-03-08 广州亿奇科技股份有限公司 The stabilizer of liquor natrii hypochloritis, preparation method and applications
CN106472562A (en) * 2016-09-22 2017-03-08 长兴净安环保科技有限公司 A kind of stable type 84 disinfectant solution and preparation method thereof
CN110122486A (en) * 2019-05-13 2019-08-16 中天恒安(北京)科技有限公司 A kind of stable sodium hypochlorite solution and preparation method thereof
CN110367275A (en) * 2019-06-19 2019-10-25 山东消博士消毒科技股份有限公司 A kind of thimerosal and preparation method thereof
CN112504952A (en) * 2020-12-23 2021-03-16 广州广电计量检测股份有限公司 Continuous testing method for corrosion behavior of disinfectant
CN113424821A (en) * 2021-06-07 2021-09-24 右江民族医学院 Preparation method of stable hypochlorous acid disinfectant for sterilizing and disinfecting
CN115868482A (en) * 2022-11-30 2023-03-31 上海卓景生物科技有限公司 Production process of sodium hypochlorite disinfectant
CN118177198A (en) * 2024-05-15 2024-06-14 德州五岳洗涤消毒制品有限公司 Sodium hypochlorite disinfectant

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Application publication date: 20110112