CN1310941A - Releasing parameter controllable solid chorine dioxide production and its preparation - Google Patents
Releasing parameter controllable solid chorine dioxide production and its preparation Download PDFInfo
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- CN1310941A CN1310941A CN 00113292 CN00113292A CN1310941A CN 1310941 A CN1310941 A CN 1310941A CN 00113292 CN00113292 CN 00113292 CN 00113292 A CN00113292 A CN 00113292A CN 1310941 A CN1310941 A CN 1310941A
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Abstract
The present invention relates to solid chlorinedioxide product capable of cotrolling actino starting time, effective action time and effective action space and its preparation method which includes selecting carrier, preparing crude liquid, using part of the carrier to absorb crude liquid to form A, using another part carrier and adding activating agent and auxiliary agent to form B, A and B according to certain proportion, filled in separated packages and seal to form product. When it is used, mixing A and B is needed merely.
Description
The low concentration ClO that solid-state chloride dioxide can slowly discharge
2Gas, effectively airborne stink in the decontamination chamber, kill airborne germ, the atomic oxygen that it decomposes out can also fresh air, and to human body without any harm.Therefore it has become a kind of extraordinary safe, indoor air purification agent efficiently.Can be widely used in family room, hotel, hospital, ward, lavatory, the car, with the environment that purifies the air of a room, be used in refrigerator, freezer, hutch, cabinet, chamber, warehouse and the food packing box (bag), with disinfection, mildew-resistant and deodorizing, also can be used for food, vegetables and fruit freshness preserving.But airborne ClO
2Concentration surpass 3mg/M
3May be harmful to human body, if ClO in the air
2Dividing potential drop just have explosion danger when surpassing 3.99Kpa.Therefore, effectively control solid ClO
2The release characteristics of product, and absolute warrantor's body safety and result of use are the main purposes of this patent.
Existing in the market solid chlorine dioxide is broadly divided into two types: first kind is response type, being about to different solid reaction raw materials mixes by a certain percentage, make it directly to take place slow chemical reaction, discharge chlorine dioxide, as " indoor air purification agent " of Xiangyang, Hubei teacher Zheng Yansong of teachers training school development; Or directly generation exceeds a lot of stable state solid chlorine dioxides doubly than stable ClO 2 solution concentration, add the stable ClO 2 solution that water is mixed with desired concn during use again, also can directly add in the entry and use, see number of patent application [97106395] [96109562]; Another kind is an absorbent-type, promptly stable ClO
2The aqueous solution is adsorbed onto earlier on the solid carrier, adds other auxiliary addition agents again and is prepared into the slow release solid chlorine dioxide, sees number of patent application [97103874].Though existing two kinds of solid chlorine dioxides can directly apply to the sterilization and the sterilization of air, the extremely difficult quantitatively control of the release characteristics of its chlorine dioxide, especially initiation time and effective acting time.In fact different application targets, different environments for use also have different requirements to the release characteristics of solid chlorine dioxide product.As: be used for sterilizing in the operating room, just wish can be in the short as far as possible time killing pathogenic bacteria, action time is then not necessarily very long; Be used for indoor air purification, then expect to have long action time; Simultaneously, different usage spaces also have different consumption requirements.The response type solid chlorine dioxide is difficult to satisfy above-mentioned requirements, even absorbent-type, experimental results show that different carrier characteristics, the ClO 2 solution of variable concentrations and prescription, and the release characteristics of the different solid chlorine dioxide products that preparation technology obtained has very big difference, and the non linear relation of release characteristics and all influence factors, quantitatively control is difficult too.
The objective of the invention is to overcome the deficiency on the prior art, provide a kind of initiation time, effective acting time and space all clear and definite solid chlorine dioxide product and preparation thereof.All there is clear and definite technical indicator in initiation time, effective acting time and the space of this solid chlorine dioxide, and the user can select according to the needs of oneself, also can very strong specificity be arranged according to user's special requirement production.The invention belongs to the absorbent-type solid chlorine dioxide.
Technical scheme of the present invention is: (1) accurately measures the release characteristics and the quantitative effect factor thereof of carrier, comprise rate of release, release rate, residual rate, and saturated extent of adsorption and critical burst size, on the basis that obtains a large amount of experimental datas, carrier is divided into I, II, III type; (2) accurately measure the necessary initiation time of chlorine dioxide concentration different in the air, and the effective acting time of dissimilar carriers; (3) according to corresponding carrier of the type selecting of required special solid chlorine dioxide and auxiliary addition agent; (4) as required, determine the modified measures of carrier and the basic scheme of the quantitative control of enforcement.(5) as required, select corresponding manner of packing.Its preparation technology is: 1. the requirement according to the user chooses kind of carrier, calculates the preparation scheme of configuration proportion and solid chlorine dioxide; 2. in stabilized chlorine dioxide solution, quantitatively add entry and super-strong moisture absorbing resin, be made into stoste; 3. the part carrier is immersed in the stoste behind the certain hour, takes out elimination redundant solution (or directly with the stoste spray on carrier), make A; 4. in another part carrier, quantitatively add activator and auxiliary addition agent, make B; 5. A and B are mixed in a certain amount of ratio, pack in (or be respectively charged into A, B) packing box (bag) by the packing method of design in advance, good seal, during use, only need be opened to pack by designation method and get final product, needn't reactivation.
The carrier that I type solid chlorine dioxide is selected is mainly gelation material (or particulate molecular sieve), the carrier that II type solid chlorine dioxide is selected is mainly molecular sieve, organic high molecular polymer and inorganic porous property material, and the carrier that III type solid chlorine dioxide is selected is inorganic porous property material.Various carrier all can come modification by quantitative interpolation other types carrier.II, III type solid chlorine dioxide all adopt double-formulation, its objective is in order to prolong the storage life of product.
The control method of initiation time and effective acting time is: 1. select the rate of release appropriate carriers, or make the rate of release of carrier reach requirement by modification; 2. select suitable activator and consumption thereof; 3. quantitatively add filler, reduce the concentration of interior ClO 2 solution of unit volume and activator; 4. certain thickness diffusion layer is set, to prolong the needed time of priming reaction between activator and carrier; The diffusion layer material adopts neutral inorganic and other inorganic porous property materials.5. add super-strong moisture absorbing resin,, reduce the rate of release of carrier, prolong release time to increase the diffusional resistance of liquid activator and stable ClO 2 solution; 6. control effective diffusion area of activator or chlorine dioxide; 7. change the concentration and the addition of stability chlorine dioxide; 8. the I type adopts gel or granular, and II type and III type are sheet, strip or other geometries, to reduce effective diffusion area, increases resistance to mass tranfer.
The useful effect space adopt to change solid chlorine dioxide consumption, effectively discharge area and rate of release is controlled.Advantage of the present invention is as follows: all there is clear and definite technical indicator in the bactericidal effect of (1) product, initiation time and useful effect space, and the user can select suitable product as required.(2) the initiation time of this product, effective acting time, useful effect space all can be designed in advance and control, and can satisfy special user's needs.(3) this product is series of products, and extremely strong specificity and specific aim are arranged, and has improved safety effectively, has guaranteed result of use, has reduced production cost.
The invention will be further described below in conjunction with embodiment: embodiment 1 (preparation of I type solid chlorine dioxide): gelation carrier 4g, add water 30ml, heating fusion back adds filler 50g, be cooled to normal temperature after mixing, the stable ClO 2 solution 5ml of adding 2% makes particle A, adding 3g solid activating agent mixes rapidly and makes particle B after adding water-wet then in the 10g neutral inorganic, A is put into special packing box (bag) earlier, add 5mm thickness neutrophil granule shape separation layer, add B at last, pack rapidly.Unpack during use and can mix automatically, and discharge chlorine dioxide.Its initiation time is 40min, and 5～7 days effective acting time, the useful effect space is 15m
3Embodiment 2 (preparation of II type solid chlorine dioxide): gelation carrier 10g, add water 80ml, heating fusion back adds filler 100g, is cooled to normal temperature after mixing.In the stable ClO 2 solution of 30ml 1%, add the 1.5g super-strong moisture absorbing resin, treat to add in the carrier that has prepared after its abundant swelling and make particle A, the 10g organic polymer fiber is immersed 2min in the liquid activator, taking-up is B, A, B are respectively charged in the special packing box (bag), pack rapidly.Unpack during use behind certain hour, can discharge chlorine dioxide automatically.Its initiation time is 6 hours, and 20～30 days effective acting time, the useful effect space is 40m
3Embodiment 3 (preparation of III type solid chlorine dioxide): in the stable ClO 2 solution of 30ml 2%, add the 2.5g super-strong moisture absorbing resin, treat to add 150g powdery mineral salt after its abundant swelling, and be pressed into sheet A, the 20g molecular sieve is immersed 10min in the liquid activator, taking-up is B, A, B are respectively charged in the special packing box (bag), pack rapidly.Unpack during use, behind certain hour, can discharge chlorine dioxide automatically.Its initiation time is 40 hours, and 50～60 days effective acting time, the useful effect space is 60m
3
Claims (8)
1. dropout value controllable solid chlorine dioxide product, it is characterized in that: the composition range of solid chlorine dioxide is:
Carrier 40～80% (weight)
Stable ClO 2 solution 10～50% (weight)
Filler 20～60% (weight)
Activator 3～20% (weight)
Auxiliary addition agent 2～10% (weight)
Water 2～20% (weight)
The summation of each composition is 100% (weight)
2. solid chlorine dioxide according to claim 1, stronger specificity is arranged, the clear and definite release characteristics and the scope of application are arranged, and be divided into I, II, III type by its release characteristics and purposes: I type (type fast): 0.5～5 hour initiation time, be effective acting time
1～7 day, be applicable to operating room, sterilization box (cabinet) or its
He requires the place of quick sterilization; II type (middling speed type): 6～24 hours initiation time, be effective acting time
7～30 days, be applicable to ward, refrigerator (cabinet), culture
Field, car, food packing box (bag) or other requirements
The place of sterilization; III type (spacetabs type): 24～48 hours initiation time, be effective acting time
More than 30 days; Be applicable to hotel, family room, family expenses clothing
Bin or other require disinfecting mouldproof hutch, cabinet,
In chamber or the warehouse.
3. carrier according to claim 1 is gelation material, molecular sieve, organic high molecular polymer or other porous inorganic materials.
According to the described filler of claim 1 for containing Ca
++, Si
4+, Mg
++The mineral salt of composition, super-strong moisture absorbing resin or other neutral substances.
5. I type solid chlorine dioxide according to claim 2 is an one-pack type, and II, III type solid chlorine dioxide are double-formulation.
6. the initiation time according to claim 2 refers to that sterilizing rate reached for 90% needed time, refers to the rate of release 〉=0.05 μ g/cm of chlorine dioxide effective acting time
3The time that hr continued
7. the preparation of a dropout value controllable solid chlorine dioxide product, it is characterized in that its technical scheme is as follows: 1. the requirement according to the user chooses kind of carrier, calculates the preparation scheme of mixed ratio and solid chlorine dioxide; 2. in stabilized chlorine dioxide solution, quantitatively add entry and super-strong moisture absorbing resin, be made into stoste; 3. the part carrier is immersed in the stoste behind the certain hour, take out the elimination redundant solution (or directly with the stoste spray on carrier, and mix), make A; 4. in another part carrier, quantitatively add activator and auxiliary addition agent, make B; 5. A and B are mixed in a certain amount of ratio and make one-pack type, or be respectively charged in the special packing box (bag) by the technology of the package of design in advance, good seal during use, need be opened and to pack and can use, needn't reactivation.
8. super-strong moisture absorbing resin according to claim 7 is the polyacrylate super-strong moisture absorbing resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113292 CN1310941A (en) | 2000-02-29 | 2000-02-29 | Releasing parameter controllable solid chorine dioxide production and its preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00113292 CN1310941A (en) | 2000-02-29 | 2000-02-29 | Releasing parameter controllable solid chorine dioxide production and its preparation |
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| CN1310941A true CN1310941A (en) | 2001-09-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106375A (en) * | 2009-12-29 | 2011-06-29 | 新疆大学 | Solid chloride dioxide generating agent |
| CN111345315A (en) * | 2020-03-06 | 2020-06-30 | 天津清科环保科技有限公司 | Electrostatic self-assembly slow-release chlorine dioxide air purification gel, preparation method and application |
| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN112641987A (en) * | 2019-10-12 | 2021-04-13 | 苏州淳雨净化科技有限公司 | Sterilization equipment and sterilization system for enclosed space |
| CN112661116A (en) * | 2020-11-10 | 2021-04-16 | 厦门市添孚卫生科技有限公司 | Chlorine dioxide generating device |
-
2000
- 2000-02-29 CN CN 00113292 patent/CN1310941A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102106375A (en) * | 2009-12-29 | 2011-06-29 | 新疆大学 | Solid chloride dioxide generating agent |
| CN112641987A (en) * | 2019-10-12 | 2021-04-13 | 苏州淳雨净化科技有限公司 | Sterilization equipment and sterilization system for enclosed space |
| CN111345315A (en) * | 2020-03-06 | 2020-06-30 | 天津清科环保科技有限公司 | Electrostatic self-assembly slow-release chlorine dioxide air purification gel, preparation method and application |
| CN111345315B (en) * | 2020-03-06 | 2021-12-14 | 天津清科环保科技有限公司 | Electrostatic self-assembly slow-release chlorine dioxide air purification gel, preparation method and application |
| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN112661116A (en) * | 2020-11-10 | 2021-04-16 | 厦门市添孚卫生科技有限公司 | Chlorine dioxide generating device |
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