CN106614555A - Slow release type chlorine dioxide solid disinfectant and preparation method thereof - Google Patents
Slow release type chlorine dioxide solid disinfectant and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
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Abstract
The invention relates to a slow release type chlorine dioxide solid disinfectant and a preparation method thereof. The slow release type chlorine dioxide solid disinfectant is composed of a component A, a component B and a double-layer slow release device. The component A comprises chlorine dioxide parent, a reducing agent, a filling agent, a stabilizer and a slow release carrier. The component B comprises acid solution. The component A is placed in the double-layer slow release device, and the component B is independently packaged. The preparation method is simple, and the slow release type chlorine dioxide solid disinfectant is suitable for industrial large-scale production, convenient to use, easy to store and long in guarantee period and has good application prospects in the fields such as home furnishing, environmental protection and health defence. The slow release type chlorine dioxide solid disinfectant can be used for deodorization and disinfection of a refrigerator, a toilet, a shoe cabinet, a storage room and the inside of a vehicle and the like.
Description
Technical field
The invention belongs to field of medicine preparations, is related to a kind of slow-release chlorine dioxide solid disinfectant and preparation method thereof.
Background technology
Chlorine dioxide is a kind of extremely strong oxidant of water solubility, and its oxidability is 2.6 times of chlorine, and it being capable of oxygen rapidly
Change decomposing bacteria, virus, the amino acid in protein and many reducing substanceses, can with various inorganic ions and organic
Thing is had an effect, and will not produce the organic halogens such as carcinogenic, teratogenesis, mutagenic chloroform, is generally used for making sterilized, drift
In vain, antistaling agent, as products such as oxidant, deodorant, biocide, antistaling agent, bleaching agents.Chlorine dioxide is public in the world at present
Safety, sterilized, the fresh-keeping and deodorant of spectrum recognized, is the optimal substitute of chlorinated product, is had been obtained in developed country
It is widely applied.The U.S., Canada, Japan, West Europe etc. have been approved by and recommend chlorine dioxide for food, food processing industry,
Pharmacy industry, medicine, PE etc. sterilization, deodorant, mould proof and food anti-corrosive fresh-keeping etc..The World Health Organization
（WHO）Also chlorine dioxide A1 level security quality disinfection agent has been classified as into.In to control drinking water " three cause material "（Teratogenesis, it is carcinogenic,
Mutagenesis）Generation, European and American developed countries have been widely popularized and have substituted chlorine using chlorine dioxide carries out the sterilization of drinking water.Closely
Since year, China also begins to pay attention to the promotion and application to chlorine dioxide, and product constantly comes out, and health ministry also will approval
Chlorine dioxide is disinfectant and new food additive.Gaseous chlorine dioxide is active and unstable, and solution is volatile, typically not square
Just compressed gas or concentrate are made, this greatly reduces the ease of use of chlorine dioxide.In order to overcome this limitation, mesh
Front research focus are to develop stable Chlorine dioxide production, mainly there is ClO 2 solution and chlorine dioxide solid system at present
The big class of agent two.Wherein, moisture account for exhausted vast scale in stable ClO 2 solution, and chlorine dioxide content is low, needs when using
Dilution is used, in-convenience in use；It is stable in properties and solid preparation of chlorine dioxide chlorine dioxide content is high, storage, convenient transportation,
Meanwhile, solid preparation of chlorine dioxide is also easier to develop the preparation with slow-release function.
Solid preparation of chlorine dioxide is that one kind can discharge under certain operating conditions ClO2The solid-like product of gas.
This kind of product is prepared by primary raw material of stable ClO 2 solution or sodium chlorite, can be colloid, lotion,
Powder, tablet, agglomerate and other variously-shaped solids.There are European patent EP 581,550, Japan Kokai in foreign countries
JP58-161904；United States Patent (USP) USP 5399288 and the clear 60-161307 of Japan Kokai JP disclose chlorine dioxide solid
Formulation products preparation method.Generally may be used by the different solid preparation of chlorine dioxide types of preparation method and formulation principle and function
It is divided into absorbent-type, response type and spacetabs type.The preparation method of absorbent-type solid chlorine dioxide preparation is simple, and ordinary circumstance is first
Prepare stable ClO2The aqueous solution, then, using some solid absorbent adsorbent solutions.But this is required：Dioxy must first be prepared
Change solutions of chlorine, then adsorbed by absorbent again and made, using special apparatus, while chlorine dioxide loss is more, it is dirty
Dye is big, therefore has method to be preparation ClO2Solid chemicals directly mix, be proportionally added into certain adjuvant and make reaction
Type solid preparation of chlorine dioxide.Absorbent-type controlled release formulation of solid chlorine dioxide is to inhale stable ClO 2 solution absorption in solid
Receive in agent, then mix with solid acid sustained release agent, be allowed to react, so as to slowly, constantly discharge a certain amount of ClO2Gas,
For sterilizing, purification of air, deodorant and fresh-keeping etc.；Reactive solid chlorine dioxide slow-release preparation agent is by solid NaClO2With it is solid
Body acidulant puts together, then adds other adjuvants, makes it to slow down releasing ClO2, reach the purpose of slow release.
Product with slow release function is an important directions of current solid preparation of chlorine dioxide exploitation.Solid chlorine dioxide system
One of disadvantage of product be storage, the term of validity it is short, once encapsulated moulding, whether using its life-span is typically only 1 ~ 3
Month, significantly limit the application of such product.In the present invention study slow released ClO 2 disinfectant, emphasis solve with
Lower problem：（1）For the particular location that product is used, such as refrigerator, freezer equitemperature can be produced normally less than the place of room temperature
Chlorine dioxide, packs bactericidal effect.（2）When summer temp is higher, it is possible to use the stabilizer and sustained release in bilayer device is carried
Body controls chlorine dioxide release concentration, plays a part of buffering and adjusts.（3）Product is made into two parts of A, B is carried out respectively solely
Vertical packaging, can be used in mixed way as needed with placement location when using to A, B.Substantially increase product storage and transport
Stability.（4）Product is furnished with bilayer device, even if device storage device itself is also reaction unit, without the need for separately matching somebody with somebody it when using
It is stored or reaction unit, can be placed directly in wardrobe, toilet, in-car, refrigerator and be used, clean when using, clean and tidy.
The content of the invention
The technical problem to be solved is unstable in order to solve gaseous chlorine dioxide, and solution state is difficult to reality
Now sustained release needs and residential use is inconvenient and provide a kind of slow-release chlorine dioxide solid disinfectant and preparation method thereof.
Preparation method of the present invention is simple, it is adaptable to industrialization large-scale production, easy to use, easy to maintain, long shelf-life,
There is good application prospect in the fields such as household environment-friendlywater, health defence.
The present invention can be used for the deodorant of the place such as refrigerator, toilet, shoe chest, storeroom, in-car, sterilization and sterilization.
Specifically, the technical scheme is that what is be achieved in that：
A kind of slow-release chlorine dioxide solid disinfectant, it is characterised in that by component A, component B and the part of double-layer sustained release device three
Composition.
Described component A includes chlorine dioxide matrix, reducing agent, filler, stabilizer and slow-released carrier.
Described component A is placed in double-layer sustained release device.
Further, described double-layer sustained release device includes double-layer box, upper strata box body（3）It is rotatable, upper strata box body bottom
Portion（4）With lower floor's box body top（5）For semicircle, upper strata box body and lower floor's box body（6）Closely connection, box body top is detachable
Formula bilayer lid, lid upper strata（1）It is rotatable, and have the pore in two kinds of apertures of diagonal fan-shaped distribution, a lateral aperture is 0.8 ~
1.5mm, another lateral aperture be 1.5 ~ 2.4mm, lid lower floor（2）It is the lid in the distribution of diagonal fan-shaped closure.
Further, described double-layer box material can be polypropylene, high density polyethylene (HDPE), polyvinyl chloride.
In described double-layer sustained release device lower floor box body, equipped with chlorine dioxide matrix, reducing agent and filler.
Further, described chlorine dioxide matrix is sodium chlorate or potassium chlorate, and shared weight fraction is in component A
15 ~ 20%, its granularity is 200 ~ 245 μm,
Further, described reducing agent is sodium sulfite or potassium sulfite, in component A shared weight fraction be 15 ~
20%, its granularity is 200 ~ 245 μm,
Further, the one kind of described filling carrier in hydroxymethyl cellulose, silica gel, gelatine, polyacrylic acid resin, its
Granularity is 350 ~ 950 μm, and shared weight fraction is 32 ~ 60% in component A；.
In described double-layer sustained release device upper strata box body, equipped with stabilizer and slow-released carrier.
Further, described stabilizer is one or more mixing in diatomite, silica, sodium metasilicate,
Shared weight fraction is 5 ~ 8% in component A.
Further, described slow-released carrier is polyvinyl alcohol, and shared weight fraction is 10 ~ 15% in component A.
Described component B is independent packaging, and packaging material can be polypropylene vial, high-density polyethylene bottle, polyvinyl chloride
Bottle.
Further, described component B is made up of acid dissolubility.Described acid solution is niter cake and biphosphate
The mixed aqueous solution or potassium acid sulfate and the mixed aqueous solution of potassium dihydrogen phosphate of sodium.
Further, described acid solution concentration is 10%.
Further, the weight ratio of two kinds of acidic materials is 1 in described acid solution:1.
The loading amount scope of described component A is 20 ~ 200g, and the loading amount scope of component B is 10 ~ 100g, component A and component B
Weight ratio be 1:1~2:1.
The preparation method of heretofore described slow-release chlorine dioxide solid disinfectant, comprises the following steps that：
Step a：Material pre-treatment.Chlorine dioxide matrix, reducing agent are crushed, 60 eye mesh screens are crossed, it is standby.
Step b：It is dried.Chlorine dioxide matrix, reducing agent, filler, stabilizer, slow-released carrier are respectively put into constant temperature and are done
It is dried in dry case.
Further, described in step b chlorine dioxide matrix, filler, reducing agent baking temperature are 50 ~ 60 DEG C, are done
The dry time is 8 hours.
Further, described in step b filler, reducing agent baking temperature are 50 ~ 60 DEG C, and drying time is 4 hours.
Further, the slow-released carrier baking temperature described in step b is 60 ~ 70 DEG C, and drying time is 4 hours.
Step c：Mixing filling.According to formula rate, after chlorine dioxide matrix, reducing agent, filler are well mixed, dress
Enter double-layer sustained release device lower floor；Load double-layer sustained release device upper strata after stabilizer and slow-released carrier are well mixed.
Step d：Prepare filling.According to formula rate, acidic materials are dissolved completely in purified water, obtain acid molten
Liquid, it is filling.
Described slow-release chlorine dioxide solid disinfectant can be used for sterilization or deodorant, and specifically used method is：Rotation
The supreme layer box body bottom place of blocking of device box body overlaps with lower floor's box body top place of blocking, and makes the stabilizer and slow-released carrier on upper strata
Fall into box body lower floor；Rotation lid open hole gap, pours component B into double-layer sustained release device from hole, and being then placed on needs
Sterilize or deodorant space, according to actual needs rotary double-layer device box body and lid, adjust the hole quantity exposed and big
It is little, control chlorine dioxide rate of release so as to naturally slow volatilization.
After described slow-release chlorine dioxide solid disinfectant begins to use, it is 3 months that useful life is most short, up to 6
Individual month.
In order to verify slow-release chlorine dioxide solid disinfectant of the present invention in terms of disinfection or deodorant or food fresh-keeping
Application effect, the rate of release of the chlorine dioxide of the slow-release chlorine dioxide solid disinfectant prepared using the present embodiment
Deodorant for refregerator, indoor air purification and effect of food preservation are investigated with it.
1st, the investigation of chlorine dioxide rate of release
60ml concentration is added in a volume is for the glass jar of 5000ml for the KI solution of 0.135mol/L, and adds 1mol/L
Sulfuric acid 6ml, starch indicator solution 4ml, be put into the slow released ClO 2 solid used in the present invention after different time
Disinfectant（A：B=50g：25g）.Glass jar is closed, starts timing.After solution turned blue, stop timing, take out immediately, adopt
The chlorine dioxide scale of construction that iodimetric analysis solution is absorbed, while doing blank test.Rate of release computing formula is：W=G/
(S·t)-W0。
In formula：The total amount of the chlorine dioxide that G absorbs for solution, mg；S is release area, cm2；T is release time, h.
The investigation result of chlorine dioxide rate of release is shown in accompanying drawing 2.
2nd, deodorant for refregerator test
Select refrigerator 180L, 200L, 500L frowzy each one, in its refrigerating chamber and refrigerating chamber this product A is respectively put into：
The each 20g of B：10g, 50g：25g, 100g：50g, tests the stink rank of refrigerating chamber and refrigerating chamber, and test effect is as follows：
The deodorant for refregerator result of the test of table 1
Note：+ quantity representative stink rank ,-represent almost odorless.
3rd, purification of air test
Shoe chest and toilet are selected respectively, test the deodorant and air purification effect of the present invention.Test method is as follows：Defend in family expenses
Between life the present invention is respectively put into by A with the shoe chest for filling shoes：B is 50g：25g and 20g：10g, it is continuous to place from 5 ~ October
6 months, toilet and the stink rank in shoe chest are recorded respectively, test effect is as follows：
The purification of air result of the test of table 2
| Placement location | 0 hour | 12 hours | 24 hours | 72 hours | 30 days | 90 days | 180 days |
| Toilet | ++++ | ++ | + | - | - | - | - |
| Shoe chest | +++++ | ++++ | +++ | + | + | - | - |
4th, to Escherichia coli bactericidal effect
The place such as freezer, refrigerator, bedroom, toilet, clothing/shoe chest, in-car relative closure, it is sluggish in air circulation, easily grow thin
Bacterium, so carrying out investigation test to colibacillary bactericidal effect to slow-release chlorine dioxide solid disinfectant of the present invention.
Test method：0.1ml escherichia coli suspensions uniform application is taken in TSA media surfaces, with slow-release solid titanium dioxide
Chlorhexidine-containing disinfectant is according to A：B=20g:10g is put in double-layer sustained release device while being put into 36 DEG C of incubators, slow released ClO 2 solid
Disinfectant sustained release chlorine dioxide acts on the Escherichia coli in culture medium, and result is observed after 24h.
Table 3 is to Escherichia coli bactericidal effect result
| Culture medium | Escherichia coli（cfu/ml） |
| Sample | 0 |
| It is blank | 85 |
| Sterilizing rate | 100% |
5th, the effect test of formaldehyde in air is removed
Formaldehyde is a main aspect for causing room air pollution, so we remove the effect of formaldehyde in air to the present invention
Investigated.
Test method：The wide-mouth bottle of two 2500ml is taken, wherein a wide-mouth bottle（Bottle 1）It is middle to prepare certain density containing
The foul smell of formaldehyde is simultaneously sealed, and as blank sample, and detects its concentration of formaldehyde.In another wide-mouth bottle（Bottle 2）Middle addition
Containing A：B=20g:The slow-release chlorine dioxide solid disinfectant of 10g, adds immediately the formaldehyde with blank sample equivalent in bottle, adds a cover
Sealing, after 24 hours, with odor concentration in gas detecting tube detection bottle, calculates deodorizing rate, investigates deodorizing effect.
Table 4 removes the effect test result of formaldehyde in air
| Wide-mouth bottle | Concentration of formaldehyde（mg/m3） |
| Bottle 1（It is blank） | 0.22 |
| Bottle 2（Sample） | 0.85 |
| Formaldehyde elimination factor（%） | 74.1% |
To sum up, compared with prior art, slow-release chlorine dioxide solid disinfectant that the present invention is provided and preparation method thereof has
Advantages below：
First, the present invention in slow-release chlorine dioxide solid disinfectant combine absorbent-type, response type and slow released ClO 2 consolidate
The characteristics of body preparation, the chlorine dioxide generation mechanism property of solid-state is more stable, convenient use and storage.Using bilayer in invention
Delayed release device plays storage device and reaction unit double action, and rotatable box body is easily controllable, the double-deck semicircle in the middle part of box body
Shape baffle plate can conveniently control the separation and mixing of upper and lower layer component.The pore in two kinds of apertures can be according to spacetabs type on lid
The demands of individuals of position and user that chlorine dioxide solid sterilizing agent is used, control the speed of chlorine dioxide release, so as to
The release concentration of control chlorine dioxide, realizes the purpose of controlled release.
2nd, slow-release chlorine dioxide solid disinfectant is carried on bilayer device upper strata equipped with stabilizer and sustained release in the present invention
Body, two are produced with bilayer device with reducing agent with the use of slow release effect, chlorine dioxide matrix is reached under acidic materials catalysis
Chlorine monoxid, is slowly discharged by slow-released carrier, reaches the purpose of long-acting, stabilizer can improve the stability of disinfectant and
Useful life, substantially prolongs the effective time of disinfectant.Used in the present invention two kinds of acidic materials it is compound be configured to it is acid molten
Liquid is used to react activation, and combination of acidic SOLUTION PROPERTIES is stablized, and single acid solution is often to stabilizing chlorine dioxide activation mistake
In rapid or excessively slow, chlorine dioxide can completely activate release in the former short time, not be suitable for slow released ClO 2
Disinfectant, the latter's sterilization, deodorant, purification and other effects are not ideal enough, and practicality is not strong, and the combination of acidic solution in the present invention is lived
The rate of release for changing chlorine dioxide is ideal.
3rd, slow-release chlorine dioxide solid disinfectant effect temperature influence is less in the present invention, in low temperature and high temperature ring
Border is capable of achieving sustained release bactericidal effect.Product is made into two parts of A, B carries out respectively independent packaging, can be as needed when using
A, B are used in mixed way with placement location.Substantially increase product storage and the stability transported.Preparation technology letter of the present invention
List, special-less process and equipment requirement, bilayer device material is also common material, easily realizes industrialized production, and product is furnished with
Bilayer device, device is both in itself storage device and reaction unit, without the need for separately matching somebody with somebody other storages or reaction unit when using, can
It is placed directly in wardrobe, toilet, in-car, refrigerator to use, it is easy to use, clean, clean and tidy, environmentally friendly.
Description of the drawings
Fig. 1 is the structure chart of double-layer sustained release device of the present invention.
Fig. 2 is chlorine dioxide release rate profile figure of the present invention after different use times.
Fig. 3 is the present invention deodorizing rate curve map smelly to ammonia.
Specific embodiment
With reference to embodiment, the present invention will be further described, but following examples are not as the limit to the present invention
System.
Bactericidal deodorant between a kind of slow released ClO 2 Solid hygiene of embodiment 1（A：B=50g:30g）
Formula：Component A：Sodium chlorate 20%, sodium sulfite 15%, silica white 42%, diatomite 8%, polyvinyl alcohol 15%；Component B：Sulphur
Sour hydrogen sodium 5%, sodium dihydrogen phosphate 5%, purified water 90%.
Preparation method：Sodium chlorate, sodium sulfite were crushed into 60 eye mesh screens, it is standby.Sodium chlorate is placed at a temperature of 50 ~ 60 DEG C
It is dried 8 hours；It is dried 4 hours at a temperature of sodium sulfite, silica white are placed in into 50 ~ 60 DEG C.Polyvinyl alcohol is placed in into 60 ~ 70 DEG C of temperature
Degree is lower to be dried 4 hours.According to formula rate, after sodium chlorate, sodium sulfite, silica white are well mixed, load double-layer sustained release dress
Put lower floor；Diatomite and polyvinyl alcohol are uniformly loaded afterwards double-layer sustained release device upper strata.According to formula rate, by hydrogen sulfate
Sodium and sodium dihydrogen phosphate are dissolved completely in purified water, obtain acid solution, filling in high-density polyethylene bottle.
The deodorizing effect of ammonia is tested：In daily life, toilet can produce substantial amounts of ammonia, and ammonia is inhaled into after lung and breaks
Bad luck oxygen function, severe patient can cause pulmonary emphysema, Respiratory Distress Syndrome(RDS), so, to embodiment 1 in a kind of spacetabs type dioxy
Change bactericidal deodorant between chlorine Solid hygiene（A：B=50g:30g）The deodorizing effect of ammonia is investigated.As a result accompanying drawing 3 is seen.
From accompanying drawing 3, chlorine dioxide solid sterilizing agent is good to ammonia removal effect, in disinfectant effect 1 as a child, right
The deodorizing rate of ammonia reaches 99%, and 1.5 hours deodorizing rates to ammonia of effect reach 100%.
Bactericide in a kind of slow released ClO 2 solid room of embodiment 2（A：B=100g:50g）
Formula：Component A：Potassium chlorate 20%, potassium sulfite 20%, polyacrylic acid resin 38%, sodium metasilicate 7%, polyvinyl alcohol 15%；Group
Divide B：Potassium acid sulfate 5%, potassium dihydrogen phosphate 5%, purified water 90%.
Preparation method：Potassium chlorate, potassium sulfite were crushed into 60 eye mesh screens, it is standby.Potassium chlorate is placed at a temperature of 50 ~ 60 DEG C
It is dried 8 hours；It is dried 4 hours at a temperature of potassium sulfite, polyacrylic acid resin are placed in into 50 ~ 60 DEG C.Polyvinyl alcohol is placed in into 60 ~
It is dried 4 hours at a temperature of 70 DEG C.According to formula rate, after potassium chlorate, potassium sulfite, polyacrylic acid resin are well mixed, dress
Enter double-layer sustained release device lower floor；Sodium metasilicate and polyvinyl alcohol are uniformly loaded afterwards double-layer sustained release device upper strata.According to formula
Ratio, potassium acid sulfate and potassium dihydrogen phosphate are dissolved completely in purified water, obtain acid solution, filling in high density polyethylene (HDPE)
In bottle.
A kind of slow released ClO 2 solid refrigerator deodorizer of embodiment 3（A：B=20g:10g）
Formula：Component A：Sodium chlorate 15%, sodium sulfite 15%, hydroxymethyl cellulose 54%, diatomite 6%, polyvinyl alcohol 10%；Group
Divide B：Niter cake 5%, sodium dihydrogen phosphate 5%, purified water 90%.
Preparation method：Sodium chlorate, sodium sulfite were crushed into 60 eye mesh screens, it is standby.Sodium chlorate is placed at a temperature of 50 ~ 60 DEG C
It is dried 8 hours；It is dried 4 hours at a temperature of sodium sulfite, hydroxymethyl cellulose are placed in into 50 ~ 60 DEG C.Polyvinyl alcohol is placed in into 60 ~
It is dried 4 hours at a temperature of 70 DEG C.According to formula rate, after sodium chlorate, sodium sulfite, hydroxymethyl cellulose are well mixed, dress
Enter double-layer sustained release device lower floor；Diatomite and polyvinyl alcohol are uniformly loaded afterwards double-layer sustained release device upper strata.According to formula
Ratio, niter cake and sodium dihydrogen phosphate are dissolved completely in purified water, obtain acid solution, filling in high density polyethylene (HDPE)
In bottle.
Claims (8)
1. a kind of slow-release chlorine dioxide solid disinfectant, it is characterised in that by component A, component B and three, double-layer sustained release device
It is grouped into, wherein component A includes chlorine dioxide matrix, reducing agent, filler, stabilizer and slow-released carrier；Component B includes acidity
Solution；Component A is placed in double-layer sustained release device, and component B is independent packaging.
2. a kind of slow-release chlorine dioxide solid disinfectant according to claim 1, it is characterised in that described bilayer delays
Release device includes double-layer box, upper strata box body（3）It is rotatable, upper strata box body bottom（4）With lower floor's box body top（5）For semicircle
Shape, upper strata box body and lower floor's box body（6）Closely connection, is detachable type dual-layer lid at the top of box body, lid upper strata（1）Can revolve
Turning, and have the pore in two kinds of apertures of diagonal fan-shaped distribution, a lateral aperture is 0.8 ~ 1.5mm, another lateral aperture is 1.5 ~
2.4mm, lid lower floor（2）It is the lid in the distribution of diagonal fan-shaped closure.
3. a kind of slow-release chlorine dioxide solid disinfectant according to claim 2, it is characterised in that described bilayer delays
In release device lower floor box body, equipped with chlorine dioxide matrix, reducing agent and filler；Wherein, described chlorine dioxide matrix is chlorine
Sour sodium or potassium chlorate, shared weight fraction is 15 ~ 20% in component A；Described reducing agent is sodium sulfite or sulfurous acid
Potassium, shared weight fraction is 15 ~ 20% in component A；Described filling carrier selected from hydroxymethyl cellulose, silica gel, gelatine,
One kind in polyacrylic acid resin, shared weight fraction is 37 ~ 55% in component A.
4. a kind of slow-release chlorine dioxide solid disinfectant according to claim 3, it is characterised in that described bilayer delays
In the box body of release device upper strata, equipped with stabilizer and slow-released carrier；Wherein, described stabilizer be selected from diatomite, silica,
One or more mixing in sodium metasilicate, shared weight fraction is 5 ~ 8% in component A；Slow-released carrier is polyvinyl alcohol,
Shared weight fraction is 10 ~ 15% in component A.
5. a kind of slow-release chlorine dioxide solid disinfectant according to claim 1, it is characterised in that described is acid molten
Liquid is the mixed aqueous solution or potassium acid sulfate and the mixed aqueous solution of potassium dihydrogen phosphate of niter cake and sodium dihydrogen phosphate；It is acid
Solution concentration is 10%, and the weight ratio of two of which acidic materials is 1:1.
6. a kind of slow-release chlorine dioxide solid disinfectant according to claim 1 ~ 5, it is characterised in that described component A
Loading amount scope be 20 ~ 200g, the loading amount scope of component B is 10 ~ 100g, and component A is 1 with the weight ratio of component B:1~2:1.
7. a kind of slow-release chlorine dioxide solid disinfectant according to claim 6, it is characterised in that described one kind is delayed
Type chlorine dioxide solid sterilizing agent is released, its preparation process is：Material pre-treatment, is dried, and mixing is filled and prepares filling.
8. a kind of slow-release chlorine dioxide solid disinfectant according to claim 7, it is characterised in that described one kind is delayed
Type chlorine dioxide solid sterilizing agent is released, its using method is specially：Place is blocked with in whirligig box body to upper strata box body bottom
The layer box body top place of blocking overlaps, and the stabilizer and slow-released carrier for making upper strata falls into box body lower floor；Rotation lid open hole gap, will
Component B pours double-layer sustained release device into from hole, is then placed on needs sterilization or deodorant space, revolves according to actual needs
Turn bilayer device box body and lid, adjust the hole quantity and size exposed, control chlorine dioxide rate of release so as to delay naturally
Slow vaporization.
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| CN108651453A (en) * | 2018-04-28 | 2018-10-16 | 张志� | A kind of slow released ClO 2 disinfectant and preparation method thereof |
| CN109730085A (en) * | 2018-12-30 | 2019-05-10 | 河北润宝环硕科技发展有限公司 | A kind of disinfecting substance generating agent and preparation method thereof |
| CN111493069A (en) * | 2020-04-21 | 2020-08-07 | 桂方晋 | Solid chlorine dioxide sustained release agent and preparation method thereof |
| CN111659240A (en) * | 2020-06-18 | 2020-09-15 | 青岛贝斯迈特化工有限公司 | Controllable slow-release chlorine dioxide air purification micro powder and preparation method thereof |
| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN113767899A (en) * | 2021-09-28 | 2021-12-10 | 中北大学 | Controllable slow-release reaction type chlorine dioxide generating device and generating method |
| CN114348965A (en) * | 2020-10-12 | 2022-04-15 | 浙江维度环保科技有限公司 | Slow-release chlorine dioxide generating device and manufacturing method thereof |
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| CN111903670A (en) * | 2020-06-30 | 2020-11-10 | 合肥学院 | Slow-release chlorine dioxide solid preparation and preparation method thereof |
| CN114348965A (en) * | 2020-10-12 | 2022-04-15 | 浙江维度环保科技有限公司 | Slow-release chlorine dioxide generating device and manufacturing method thereof |
| CN113767899A (en) * | 2021-09-28 | 2021-12-10 | 中北大学 | Controllable slow-release reaction type chlorine dioxide generating device and generating method |
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