CN102173388A - Solid-stabilized chlorite with borate as buffering system and production method thereof - Google Patents
Solid-stabilized chlorite with borate as buffering system and production method thereof Download PDFInfo
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- CN102173388A CN102173388A CN 201110041817 CN201110041817A CN102173388A CN 102173388 A CN102173388 A CN 102173388A CN 201110041817 CN201110041817 CN 201110041817 CN 201110041817 A CN201110041817 A CN 201110041817A CN 102173388 A CN102173388 A CN 102173388A
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- chlorite
- tetraborate
- borate
- crystal water
- pickering
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Abstract
The invention relates to a solid-stabilized chlorite with borate as a buffering system and a production method thereof. The solid-stabilized chlorite is characterized by comprising alkalescent borate and chlorite, wherein, the borate is alkalescent sodium tetraborate or alkalescent potassium tetraborate both containing crystal water and with a pH value from 9.0 to 9.5. According to the production method, the solid-stabilized chlorite is made through mixing, dissolution and recrystallization of the alkalescent borate and chlorite. The manufacturing method comprises the following specific steps: firstly, dissolving tetraborate containing crystal water in self-contained water crystal at 80 DEG C to form oversaturated borate solution; secondly, mixing sodium chlorite crystal or potassium chlorite crystal with the oversaturated borate solution in line with the ratio of 1: (1-8), and, preparing the solid-stabilized chlorite through dissolution and recrystallization.
Description
Technical field
The present invention relates to a kind of chloritic manufacture method of Pickering of borate buffer system, relate to particularly that the tetraborate that a kind of usefulness contains crystal water mixes with chlorite, technology molten, recrystallization is made solid-state stable chloritic method altogether.
Background technology
The dioxide peroxide industry has been internationally recognized green sunrise industry, and the dioxide peroxide product also is universally acknowledged latest generation safety, efficient, wide spectrum, disinfection sanitizer, reodorant, mould inhibitor, food preservative and association with pulp bleaching agent fast.Be used widely at aspects such as sterilization and disinfection, anti-corrosive fresh-keeping, deodorizing, industrial bleaching and environmental pollution improvements, the Application Areas of dioxide peroxide has been penetrated into the every aspect of industrial production, agriculture production and people's daily life, is showing boundless prospect.Chlorite is the donor that generates dioxide peroxide, is the main raw material of preparation dioxide peroxide, utilizes the acidifying chlorite can obtain the dioxide peroxide that purity is good, yield is high, by product is few easily.
That the acidifying Textone is directly fresh-keeping as food sterilization abroad, and obtain good effect, FDA (Food and Drug Adminstration) (FDA) approved as the secondary foodstuff additive, is used for the anti-microbial agents of finwhale and Crustacean with the acidifying Textone.
But, the Textone less stable, particularly chlorite has deliquescence, and chlorite crystal behind the deliquescence and chlorite solution soluble in water are unstable to light, heat, acid under normal temperature condition, easily decompose.This makes chloritic application be subjected to certain restriction, the chlorite of necessary research and development stability, particularly can keep when being in a liquid state also keeping stable to light, heat, stable chlorite, the acidifying chlorite that after its acidifying, generates, the dioxide peroxide of acid when chlorite is soluble in water, this stable chlorite composition can be expanded chloritic Application Areas greatly.
The stability sodium chlorite solution is a kind of with Textone and buffering solution and the formulated by a certain percentage stabilising system of other compositions.The stability sodium chlorite solution can increase substantially its stability to light, heat, acid, prepare dioxide peroxide by stable sodium chlorite solution's acidifying, also simplified the program of dioxide peroxide preparation greatly, make the operation of on-site preparation dioxide peroxide become easier, make the practicality of dioxide peroxide preparation become stronger, security is higher, also has more promotional value.But stable sodium chlorite solution store, extremely inconvenient in the transportation, and limited its applying aborning.
At home to the existing more report of stable sodium chlorite solution's research, as Guizhou University's master thesis " research of stable sodium chlorite solution's research and biological antibiotic effect thereof ", " applied research of stable sodium chlorite solution on food fresh keeping ".Reported stable chlorite solution's technology of preparing and the application on food fresh keeping thereof, what relate to is stable chloritic solution.
State such as the U.S., Switzerland has also applied for a collection of patent of invention of using stable chlorite treatment disease that relates in China;
Switzerland OXO Chemie AG application, application number is the patent of invention of 98811885.8 " using chemically stable chlorite solution to be used to suppress the immunoreactive purposes of antigen-specific ";
Switzerland OXO Chemie AG application, application number is the patent of invention of 00814063.4 " chemically-stabilized chlorite solutions that is used for the treatment of cancer and other diseases ";
US P﹠G Company application, application number is the patent of invention of 02817903.x " stable comprise chloritic oral care composition ";
The California, USA College application, application number is the patent of invention of 200580003723.6 " chlorite treatment neurodegenerative disease ".
Above-mentioned patent of invention discloses the application of stable chlorite solution in the treatment disease, and what relate to is stable chloritic solution.
The stable chloritic report that academic paper that summary has extremely been published at present at home and patent documentation all only relate to liquid, do not see the report that relates to solid stability Textone or potassium chlorite, do not find chlorite is mixed, is dissolved in altogether with the borate that contains crystal water among the borate crystal water yet, make the chloritic report of Pickering of borate buffer system again with the method for recrystallization.
Summary of the invention
One of purpose of the present invention provides a kind of Pickering chlorite of borate buffer system.
Two of purpose of the present invention provides that the tetraborate that a kind of usefulness contains crystal water mixes with chlorite, molten, recrystallization technology is made the chloritic method of Pickering altogether.
The object of the present invention is achieved like this: a kind of Pickering chlorite of borate buffer system is characterized in that being made up of weakly alkaline borate and chlorite; Described borate is that the pH value is that 9.0～9.5 weakly alkaline sodium tetraborate that contains crystal water or pH value are 9.0～9.5 the weakly alkaline potassium tetraborate that contains crystal water; Described chlorite is a Textone, or potassium chlorite; The chloritic manufacture method of a kind of Pickering of borate buffer system is characterized in that adopting the weakly alkaline borate to mix with chlorite, altogether molten, recrystallization makes the Pickering chlorite; Its concrete steps are that the tetraborate that will contain crystal water earlier is dissolved in self crystal water and forms the supersaturation borate solution under 〉=80 ℃ of temperature, again with Textone crystal or potassium chlorite crystal by borate: chlorite=1: 1～8 ratio prescriptions mix with it, common molten, recrystallization makes the Pickering chlorite; The described tetraborate that contains crystal water is the sodium tetraborate that contains crystal water, or contains the potassium tetraborate of crystal water, contains the sodium tetraborate (Na of 10 crystal water
2B
4O
710H
2O) or contain the potassium tetraborate (K of 10 crystal water
2B
4O
710H
2O) in the time of 〉=80 ℃, be dissolved in self crystal water, formation pH is 9.0～9.5 weakly alkaline supersaturation tetraborate solution, weakly alkaline sodium tetraborate and weakly alkaline potassium tetraborate all are chloritic stablizer and pH system buffer, also are the molten carrier and the chlorine dioxide slow-release carriers deposited of the dioxide peroxide that generates after the stable chlorite acidifying; Described method is applied to the potassium tetraborate that the agricultural field can preferably contain 10 crystal water and makes the Pickering chlorite with preferred potassium chlorite compatibility; Be applied to the sodium tetraborate that other field can preferably contain 10 crystal water and make the Pickering chlorite with preferred Textone compatibility.
Embodiment
The invention will be further described for following examples, but be not limitation of the present invention.
The Pickering chlorite of borate buffer system of the present invention, it is characterized in that adopting chlorite xln and the tetraborate xln that contains crystal water to mix, be dissolved in altogether in the borate crystal water, make the Pickering chlorite of the crystalline state of borate buffer system again with recrystallization technology.
Described chlorite is a Textone, or potassium chlorite, and Textone, potassium chlorite are the oxygenatedchemicals of chlorine soluble in water, and the stable chlorite of borate buffer system of the present invention is the dioxide peroxide donor as preparation dioxide peroxide preparation.
The dioxide peroxide preparation that the solid chlorite of borate buffer system of the present invention is made, if be applied to agricultural, field of forestry, preferred potassium chlorite is applied to the preferred inexpensive Textone in other field as the dioxide peroxide donor as the dioxide peroxide donor.
The described tetraborate that contains crystal water is the sodium tetraborate that contains crystal water, or contains the potassium tetraborate of crystal water.It is characterized in that containing the sodium tetraborate (Na of 10 crystal water
2B
4O
710H
2O) or contain the potassium tetraborate (K of 10 crystal water
2B
4O
710H
2O) in the time of 〉=80 ℃, be dissolved in self crystal water, form pH and be 9.0～9.5 weakly alkaline supersaturation tetraborate solution.Weakly alkaline sodium tetraborate and weakly alkaline potassium tetraborate all are chloritic stablizer and pH system buffer, also are the molten carrier and the chlorine dioxide slow-release carriers deposited of the dioxide peroxide that generates after the stable chlorite acidifying.
The dioxide peroxide preparation that the solid chlorite of borate buffer system of the present invention is made, if be applied to agricultural and field of forestry, outside the preferred potassium chlorite of dioxide peroxide donor, moisture tetraborate should preferred 10 crystal water potassium tetraborate, be applied to other field can preferred 10 crystal water sodium tetraborate.
Described tetraborate and the chloritic formula rate that contains crystal water is 1: 1～8, and obtained Pickering chlorite contains chlorite can reach 50%～80%.The stability chlorite solution generally contains chlorite 10%～15%, and moisture and other compositions are up to 85%～90%.And the obtained Pickering chlorite of the present invention contains chlorite up to 50%～80%, be higher than the contained chlorite of stable chlorous acid solution far away, and solid stability chlorite stability is better, security is higher, avoided the storage water a large amount of in storage and the transportation, therefore can save a large amount of storages and transportation cost with transportation.
Described employing chlorite and the tetraborate xln that contains crystal water, under suitable temperature condition, mix, be dissolved in the crystal water of tetraborate altogether, form oversaturated chlorite-borate mixing solutions, recrystallization makes the Pickering chlorite of the crystalline state of tetraborate buffer system under≤30 ℃ temperature then, and chlorite is mixed, is wrapped among the weakly alkaline borate buffer system.
The solid chlorite of borate buffer system of the present invention, its principal character is that to be to utilize the tetraborate that contains crystal water be that pH is about 9.0～9.5 weakly alkaline pH system buffer, its xln is under suitable temperature condition, in the meeting self-dissolving crystal water, form oversaturated weakly alkaline borate solution, after temperature descends, the physical phenomenon separated out of recrystallization again.As the potassium tetraborate of the sodium tetraborate of 10 water and 10 water 〉=80 ℃ the time from being dissolved in the crystal water, recrystallization is separated out again in the time of≤60 ℃.
Utilize simultaneously chlorite to have the characteristics of very strong solubleness again in water, 5 ℃ the time, its solubleness is 34% as Textone, and in the time of 30 ℃, its solubleness is 46%, and in the time of 60 ℃, its solubleness is 55%.Therefore adopt chlorite xln and the tetraborate xln that contains crystal water are mixed, are dissolved in jointly in the borate crystal water, make the Pickering chlorite of weakly alkaline borate buffer system again with recrystallization technology.
Embodiment one
With the Textone xln of weight ratio 80% and 10 water sodium tetraborate decahydrate xln proportionings of weight ratio 10%, earlier 10 water sodium tetraborates are placed the stainless steel jacketed kettle, the water bath method make the temperature in the stainless steel jacketed kettle rise to 〉=80 ℃, 10 water sodium tetraborates are dissolved in the crystal water of self, the Textone xln that adds proportioning weight then, and constantly mix, the part Textone also is dissolved in the weakly alkaline sodium tetraborate supersaturated solution, also fully mixes with weakly alkaline sodium tetraborate with undissolved Textone.At its xln surface parcel weakly alkaline borate of one deck or be mixed among the weakly alkaline sodium tetraborate, promptly make the Pickering Textone of weakly alkaline borate buffer system.
Embodiment two
With the potassium chlorite xln of weight ratio 60% and 10 water potassium tetraborate xln proportionings of weight ratio 40%, earlier 10 water potassium tetraborates are placed the stainless steel jacketed kettle, the water bath method make the temperature in the stainless steel jacketed kettle rise to 〉=80 ℃, 10 water potassium tetraborates are dissolved in the crystal water of self, the potassium chlorite xln that adds proportioning weight then, and constantly mix, the part potassium chlorite also is dissolved in the weakly alkaline potassium tetraborate supersaturated solution, also fully mixes with weakly alkaline potassium tetraborate with undissolved potassium chlorite.At its xln surface parcel weakly alkaline borate of one deck or be mixed among the weakly alkaline potassium tetraborate, promptly make the Pickering potassium chlorite of weakly alkaline borate buffer system.
Can be according to chlorite and tetraborate prescription by the Different Weight ratio, and the manufacture method of pressing the foregoing description one, embodiment two, can make the Pickering chlorite that contains chlorite 50%～80%.
The present invention adopts the common recrystallization technology of twin crystal to make the chloritic method of Pickering, and whole process flow is being carried out below 80 ℃, is a kind of environmental-protecting process that does not have waste gas, no waste liquid, no waste residue, also is the novel process of a kind of less energy-consumption, low-carbon (LC) simultaneously.
The Pickering chlorite of borate buffer system of the present invention can be developed to the dioxide peroxide preparation of various uses, is applied to fields such as sterilization and disinfection, anti-corrosive fresh-keeping, deodorizing, industrial bleaching and environmental pollution improvement.
With the Pickering chlorite of borate buffer system, when being developed to the dioxide peroxide preparation of borate buffer system, can develop boric acid potash fertilizer and soil disinfectant especially with sterilizing disease-preventing function.
Because borate has toxic action to insects such as ant, cockroach, moth, polyrhachis, centipedes, also inhibited to some moulds, therefore can develop have antibiotic, mildew-resistant, the functional packing material of insect protected function, as antistaling box, box, bag and fresh-keeping net, fresh-keeping pad etc., can also develop have antibiotic, mildew-resistant, the coating agent for seed of insect protected function etc.
Claims (5)
1. the Pickering chlorite of a borate buffer system is characterized in that being made up of weakly alkaline borate and chlorite; Described borate is that the pH value is that 9.0～9.5 weakly alkaline sodium tetraborate that contains crystal water or pH value are 9.0～9.5 the weakly alkaline potassium tetraborate that contains crystal water.
2. the Pickering chlorite of a kind of borate buffer system according to claim 1 is characterized in that described chlorite is a Textone, or potassium chlorite.
3. the chloritic manufacture method of the Pickering of a borate buffer system is characterized in that adopting the weakly alkaline borate to mix with chlorite, molten, recrystallization makes the Pickering chlorite altogether; Its concrete steps are that the tetraborate that will contain crystal water earlier is dissolved in self crystal water and forms the supersaturation borate solution under 〉=80 ℃ of temperature, again with Textone crystal or potassium chlorite crystal by borate: chlorite=1: 1～8 ratio prescriptions mix with it, common molten, recrystallization makes the Pickering chlorite.
4. the chloritic manufacture method of the Pickering of a kind of borate buffer system according to claim 3, it is characterized in that the described tetraborate that contains crystal water is the sodium tetraborate that contains 10 crystal water, or contain the potassium tetraborate of 10 crystal water, contain the sodium tetraborate (Na of 10 crystal water
2B
4O
710H
2O) or contain the potassium tetraborate (K of 10 crystal water
2B
4O
710H
2O) in the time of 〉=80 ℃, be dissolved in self crystal water, formation pH is 9.0～9.5 weakly alkaline supersaturation tetraborate solution, weakly alkaline sodium tetraborate and weakly alkaline potassium tetraborate all are chloritic stablizer and pH system buffer, also are the molten carrier and the chlorine dioxide slow-release carriers deposited of the dioxide peroxide that generates after the stable chlorite acidifying.
5. the chloritic manufacture method of the Pickering of a kind of borate buffer system according to claim 3 is characterized in that described method is applied to the potassium tetraborate that the agricultural field can preferably contain 10 crystal water and makes the Pickering chlorite with preferred potassium chlorite compatibility; Be applied to the sodium tetraborate that other field can preferably contain 10 crystal water and make the Pickering chlorite with preferred Textone compatibility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110041817 CN102173388A (en) | 2011-02-18 | 2011-02-18 | Solid-stabilized chlorite with borate as buffering system and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110041817 CN102173388A (en) | 2011-02-18 | 2011-02-18 | Solid-stabilized chlorite with borate as buffering system and production method thereof |
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|---|---|
| CN102173388A true CN102173388A (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110041817 Pending CN102173388A (en) | 2011-02-18 | 2011-02-18 | Solid-stabilized chlorite with borate as buffering system and production method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104190A (en) * | 1976-03-23 | 1978-08-01 | Minnesota Mining And Manufacturing Company | Generation of chlorine dioxide for disinfection and sterilization |
| JPH0446003A (en) * | 1990-06-11 | 1992-02-17 | Japan Carlit Co Ltd:The | Production of stabilized aqueous chlorine dioxide solution |
-
2011
- 2011-02-18 CN CN 201110041817 patent/CN102173388A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104190A (en) * | 1976-03-23 | 1978-08-01 | Minnesota Mining And Manufacturing Company | Generation of chlorine dioxide for disinfection and sterilization |
| JPH0446003A (en) * | 1990-06-11 | 1992-02-17 | Japan Carlit Co Ltd:The | Production of stabilized aqueous chlorine dioxide solution |
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Application publication date: 20110907 |