CN101898076B - Indoor polluted gas scavenger and preparation method and use thereof - Google Patents
Indoor polluted gas scavenger and preparation method and use thereof Download PDFInfo
- Publication number
- CN101898076B CN101898076B CN 200910047313 CN200910047313A CN101898076B CN 101898076 B CN101898076 B CN 101898076B CN 200910047313 CN200910047313 CN 200910047313 CN 200910047313 A CN200910047313 A CN 200910047313A CN 101898076 B CN101898076 B CN 101898076B
- Authority
- CN
- China
- Prior art keywords
- bamboo charcoal
- nano
- polluted gas
- indoor polluted
- formaldehyde
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to an indoor polluted gas scavenger and a preparation method, and the method comprises the following steps: uniformly stirring nano-bamboo charcoal or the nano-bamboo charcoal after modification with the following raw materials according to the percentage, mixing, then adding an appropriate amount of water and a latex adhesive, stirring, fully infiltrating, and carrying out vacuum drying at normal temperature for preparation. The specific raw materials are as follows: the nano-bamboo charcoal or the nano-bamboo charcoal after the modification: 28-52%; potassium permanganate: 1-10%; basic aluminum oxide or magnesium hydroxide: 30-60%; ammonium chloride: 1-10%; and the latex adhesive: 2-8%. The invention belongs to the comprehensive technical field of environmental medicine, natural products, environmental protection, environment and human health, new materials and the like, and the product is mainly used for eliminating the harm caused by free formaldehyde, benzene, toluene and TVOC in the air, thereby further solving the relevant air pollution in rooms and relative closed spaces and being conductive to protecting the human health.
Description
[technical field]
The present invention relates to the complex art fields such as environmental medicine, natural products and environmental protection, environment and health, new material, particularly scavenger of dusty gas and its production and use in the air.
[background technology]
Indoor polluted gas mainly is by releases such as family's indoor ornament, coating, furniture, is mainly formaldehyde, benzene, toluene, TVOC etc.The examining report that residential houses indoor polluted gas formaldehyde, benzene, TVOC etc. is carried out according to national authority department, what reach that country promulgates that " civil buildings indoor environmental pollution control standard " require only accounts for 7.7% of sum, wherein serious with formaldehyde again, exceeding standard rate is 80.8%, and the most serious exceeding standard reaches 21 times.According to one of Chinese interior decoration association the Beijing area one thousand families are newly fitted up the IAQ detection display that family carries out, formaldehyde account for 60%; The detection data of the ground relevant departments such as Qingdao, Nanjing, Yinchuan, Chongqing, Shenzhen, Urumchi show equally, the defective ratio of formaldehyde is all more than 60% in the new finishing family, and the Shenzhen carries out Indoor Environment Detection in January, 2004 to July to this city suite of rooms more than 400, and the result shows that formaldehyde is up to 90%.
In addition, car seat support cover, cushion and inside roof lining, the textile etc. of new furniture, automobile also can discharge a large amount of take formaldehyde as main dusty gas.
Formaldehyde (HCHO) is a kind of colourless easily molten irritative gas, and formaldehyde can absorb through respiratory tract, and its aqueous solution " formalin " can absorb through alimentary canal.Modern scientific research shows, formaldehyde has negative effect to health.Peculiar smell and sense of discomfort when being 0.1mg/m3, indoor content are just arranged; 0.5mg/m3 can stimulate eyes to cause sheds tears; 0.6mg/m3 the time cause throat discomfort or pain; Concentration is high again to cause nausea, vomit, cough, uncomfortable in chest, asthma even pulmonary emphysema; When reaching 30mg/m3 in the air, can cause at once death.
Long Term Contact low dosage formaldehyde can cause chronic respiratory disease, women's paramenia, pregnancy syndrome, causes that neonate's physique reduces, chromosome abnormality, even causes nasopharyngeal carcinoma.The formaldehyde of high concentration is all toxic to nervous system, immune system, liver etc.But it also exciting eye conjunctiva, respiratory mucosa and producing shed tears, runny nose, cause conjunctivitis, sphagitis, asthma, bronchitis and allergic disease.Formaldehyde also has teratogenesis, carcinogenesis.According to epidemiology survey, the people of Long Term Contact formaldehyde can cause nasal cavity, oral cavity, nasopharynx, throat, skin and gastral cancer.
In sum, the dusty gas such as formaldehyde in indoor air are prevalent in the daily life, and are huge to human health damage.First China's indoor environmental pollution and children's health seminar disclose, and China children's below 1,000,000 5 years old the cause of the death is relevant with room air pollution.Cause that by room air pollution the emergency treatment number that exceeds the quata is 4,300,000 times every year.Thereby; take measures to reduce and even eliminate the pollution of the dusty gas such as formaldehyde;, raising people's living standard physically and mentally healthy to the protection people is significant, and this class technology and product will bring good society and economic benefit, are environmental medicine field and important problem thereof.
Relevant formaldehyde, benzene, toluene, TVOC eliminate related art scheme and have been reported in the literature.A kind of scheme is reactive compound to be made formaldehyde eliminate solution, by smearing, spray the mode of wine, reacting with airborne formaldehyde, benzene, toluene, TVOC etc. or forming the membrane sealed layer at corresponding body surface stops the mechanism such as formaldehyde release to reach to reduce the purpose that formaldehyde, benzene, toluene, TVOC etc. pollute.Yet, formed product still is present in the air behind this class remover and the formolite reaction, this class product also might be poisonous, easily cause secondary pollution, and can not be sacrifices consisting of an ox, a sheep and a pig solid owing to forming film, time one is long, and the pollutions such as the formaldehyde in the respective objects, benzene, toluene, TVOC can discharge equally, can only be to play the effect that discharges that delays; Another kind of scheme mainly is the photocatalyst series products.Photocatalyst is a kind of general name of the photosemiconductor material with photo-catalysis function take Nano titanium dioxide as representative.Photocatalyst is under the irradiation of light, can produce similar photosynthetic light-catalyzed reaction, generation has free hydroxy and the active oxygen of certain oxidability, has the photoredox function, can decomposing formaldehyde, benzene, toluene, the organic pollutions such as TVOC, its generation that is limited in its catalytic effect must have light source, and in general, catalytic efficiency is the highest when shining with the ultraviolet ray in ultraviolet ray or the sunlight, common light and other scattered light catalytic efficiencies are then had a greatly reduced quality, in addition it also must be under without any the prerequisite that stops, irradiation just catalytic oxidation can occur.Combine institute known, the releases such as formaldehyde, benzene, toluene, TVOC are very slowly processes, generally can continue 5-10, therefore depending merely on photocatalyst eliminates the pollutants such as formaldehyde, benzene, toluene, TVOC and has larger restriction, cause eradicating efficacy not satisfactory, thereby affect the healthy of people; Also have a kind of scheme to combine and make the solid forming product for reactive compound and certain being possessed absorption or the material of support function, by catch, absorbing formaldehyde and reach the purpose of minimizing formaldehyde pollution with the mechanism such as formaldehyde generation chemical reaction.This series products is the current research direction of current removing formaldehyde, benzene, toluene, TVOC, and this series products major requirement adsorption function material has stronger absorption affinity, reactive compound has stronger capacity of decomposition.But the key constraints of this series products is that adsorption function material PARA FORMALDEHYDE PRILLS(91,95), benzene, toluene, TVOC absorption affinity are weak and can not organically combine with reactive compound at present, thereby does not reach the effect of removing preferably formaldehyde.
Purpose of the present invention is exactly the deficiency that exists for prior art, the scavenger of the pollutants in airs such as a kind of new formaldehyde, benzene, toluene, TVOC is provided, this formaldehyde, benzene, toluene, TVOC scavenger are bamboo charcoal is processed " modification " and to get under alkali condition through certain technique, have powerful seizure, absorption and eliminate the ability of formaldehyde, benzene, toluene, TVOC gas.
[summary of the invention]
The technical problem to be solved in the present invention is in the problems referred to above, and a kind of indoor polluted gas scavenger and preparation method are provided.
Technical scheme of the present invention is as follows: it be with bamboo charcoal nano with following raw material uniform stirring, mix after, after adding entry and fully infiltrating, be prepared from by the dry oven dry of normal-temperature vacuum, wherein bamboo charcoal nano or nano modified bamboo charcoal: 28-52%; Potassium permanganate: 1-10%; Alkali alumina or magnesium hydroxide: 30-60%, ammonium chloride: 1-10%; Emulsion binding agent 2-8%.
Better raw material proportioning is bamboo charcoal nano: bamboo charcoal nano or nano modified bamboo charcoal: 33-47%; Potassium permanganate: 5-7%; Alkali alumina or magnesium hydroxide: 35-55%; Ammonium chloride: 3-6%; Emulsion binding agent 3-6%.
Better raw material proportioning is bamboo charcoal nano or nano modified bamboo charcoal: 35%; Potassium permanganate: 6%; Alkali alumina or magnesium hydroxide: 50%; Ammonium chloride: 4%; Emulsion binding agent 5%;
The preparation method of product is in the above invention scheme: behind good each solid feed of by weight percentage weighing, mix, add emulsion binding agent and capacity water make it to infiltrate fully after, stir, the time approximately needs 1-5 hour, takes out and send vacuum drying, get product, the control water content is below 5%;
Invention scheme Raw proportioning and form also can be: bamboo charcoal nano, potassium permanganate, alkali alumina or magnesium hydroxide, ammonium chloride, emulsion binding agent are: acetate emulsion adhesive and contain nano titanium oxide 0.2-1%; Its preparation method is as follows: get first load weighted adhesive, nano titanium oxide, bamboo charcoal nano add suitable quantity of water boil boil 1-3 hour after, add potassium permanganate, alkali alumina or magnesium hydroxide, ammonium chloride stirring after 1-2 hour, behind the Vacuum Concentration, send vacuum drying, get product, the control water content is below 5%;
Above-mentioned indoor polluted gas scavenger can be placed among the small-sized vessel with perforate of various forms, can also be positioned in the small-sized cloth bag that the material of good permeability such as nonwoven, fiber cloth make, the air-locked container of external application or aluminium foil bag pack, time spent Kaifeng with product place in the automobile, in the cabinet, the space such as in the desk, drawer, thus reach the purpose of the dusty gas such as formaldehyde in the absorption room air, benzene, toluene, TVOC.
The invention has the advantages that sorbing material and reactive compound organically combine, ability with dusty gas such as powerful seizure, absorption and elimination formaldehyde, benzene, toluene, TVOC, and because the product after the oxidation still can be adsorbed the material strong adsorption, be difficult for producing secondary pollution.Product of the present invention more is not subjected to impact and the restriction of environment compared with similar products, removes ability even product of the present invention also has stronger dusty gas under the higher levels of humidity condition.In addition, product of the present invention uses simple, easily operation, and it is exposed to the Kaifeng relief and for clearance gets final product in the environment in empty, the operation such as does not need to spray, be coated with, spill.
[specific embodiment]
Embodiment 1
Dissolving 5 gram potassium permanganate are the rear 5 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 35 grams, alkali alumina 50 grams, ammonium chloride 5 grams, all be infiltrated in the liquor potassic permanganate, stirred 1 hour, after fully infiltrating, take out normal-temperature vacuum dry 5 hours, and can obtain gas removing agent A.Get gas removing agent A 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.005mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 2
Dissolving 5 gram potassium permanganate are the rear 5 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 35 grams, magnesium hydroxide 50 grams, ammonium chloride 5 grams, all be infiltrated in the liquor potassic permanganate, stirred 5 hours, after fully infiltrating, took out normal-temperature vacuum dry 5 hours, can obtain gas removing agent B.Get gas removing agent B 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.004mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 3
Dissolving 6 gram potassium permanganate are the rear 5 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 35 grams, magnesium hydroxide 50 grams, and ammonium chloride 4 restrains, all be infiltrated in the liquor potassic permanganate, after fully infiltrating, took out normal-temperature vacuum dry 5 hours, can obtain gas removing agent C.Get gas removing agent C 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.003mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 4
Dissolving 7 gram potassium permanganate are the rear 4 gram emulsion binding agents that add in an amount of pure water, take by weighing magnesium hydroxide 50 grams, and ammonium chloride 4 grams all are infiltrated in the liquor potassic permanganate, after abundant the infiltration, take out normal-temperature vacuum dry 5 hours, can obtain gas removing agent D.
Embodiment 5
Dissolving 2 gram potassium permanganate are the rear 8 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 33 grams, alkali alumina 51 grams, ammonium chloride 6 grams, all be infiltrated in the liquor potassic permanganate, stirred 1 hour, after fully infiltrating, take out normal-temperature vacuum dry 2 hours, and can obtain gas removing agent E.Get gas removing agent E 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.004mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 6
Dissolving 9 gram potassium permanganate are the rear 2 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 50 grams, alkali alumina 31 grams, ammonium chloride 8 grams, all be infiltrated in the liquor potassic permanganate, stirred 1 hour, after fully infiltrating, take out normal-temperature vacuum dry 4 hours, and can obtain gas removing agent F.Get gas removing agent F 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.005mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 7
Dissolving 10 gram potassium permanganate are the rear 2 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 28 grams, alkali alumina 52 grams, ammonium chloride 8 grams, all be infiltrated in the liquor potassic permanganate, stirred 2 hours, after fully infiltrating, take out normal-temperature vacuum dry 5 hours, and can obtain gas removing agent G.Get gas removing agent G 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.004mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 8
Dissolving 5 gram potassium permanganate are the rear 5 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 30 grams, alkali alumina 55 grams, ammonium chloride 5 grams, all be infiltrated in the liquor potassic permanganate, stirred 1 hour, after fully infiltrating, take out normal-temperature vacuum dry 5 hours, and can obtain gas removing agent H.Get gas removing agent H 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.005mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 9
Dissolving 5 gram potassium permanganate are the rear 5 gram emulsion binding agents that add in an amount of pure water, take by weighing bamboo charcoal nano 50 grams, alkali alumina 30 grams, ammonium chloride 10 grams, all be infiltrated in the liquor potassic permanganate, stirred 1 hour, after fully infiltrating, take out normal-temperature vacuum dry 5 hours, and can obtain gas removing agent I.Get gas removing agent I 1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.007mg/m
3, the environmental pollution gas content meets national standard.
Embodiment 10
Gas removing agent C, D and common bamboo charcoal nano dusty gas are removed the comparison of ability.
Get respectively gas removing agent C, D, each 1 gram of common bamboo charcoal nano, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detect respectively content of formaldehyde after 24 hours, as follows respectively:
| The sample name | Gas removing agent C | Gas removing agent D | Common bamboo charcoal nano |
| The formaldehyde examination amount | 0.003mg/m 3 | 0.018mg/m 3 | 0.05mg/m 3 |
Embodiment 11
Gas removing agent E, F and common bamboo charcoal nano dusty gas are removed the comparison of ability.
Get respectively gas removing agent E, F, each 1 gram of common bamboo charcoal nano, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 3m
3, detect respectively content of formaldehyde after 24 hours, as follows respectively:
| The sample name | Gas removing agent E | Gas removing agent F | Common bamboo charcoal nano |
| The formaldehyde examination amount | 0.004mg/m 3 | 0.012mg/m 3 | 0.06mg/m 3 |
Embodiment 12
Get first load weighted vinyl acetate adhesive 5 grams, nano titanium oxide 1 gram, bamboo charcoal nano 35, after the adding suitable quantity of water is boiled and is boiled 1-3 hour, add potassium permanganate 5 grams, alkali alumina or magnesium hydroxide 50 grams, ammonium chloride 4 grams, stir after 1-2 hour, behind the Vacuum Concentration, send vacuum drying, get product, control water content 5% can obtain gas removing agent J.Get gas removing agent J1 gram, place and contain 0.1mg/m
3In the air ambient of formaldehyde, environment space is 4m
3,, detecting after 24 hours, the environment space content of formaldehyde gas is reduced to 0.004mg/m
3, the environmental pollution gas content meets national standard.
The above only is preferred embodiment of the present invention, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method, can also make some improvement and replenishes, these improvement and replenish and also should be considered as protection of the present invention.
Claims (11)
1. indoor polluted gas scavenger, it is characterized in that: the primary raw material percentage by weight is: bamboo charcoal nano or nano modified bamboo charcoal: 28-52%; Potassium permanganate or potassium bichromate: 1-10%; Alkali alumina or magnesium hydroxide: 30-60%; Ammonium chloride: 1-10%; Emulsion binding agent: 2-8%.
2. a kind of indoor polluted gas scavenger according to claim 1, it is characterized in that: the raw material mixed preparing by following percentage by weight forms, bamboo charcoal nano or nano modified bamboo charcoal: 33-47%; Potassium permanganate or potassium bichromate: 5-7%; Alkali alumina or magnesium hydroxide: 35-55%; Ammonium chloride: 3-6%; Emulsion binding agent: 3-6%.
3. a kind of indoor polluted gas scavenger according to claim 2 is characterized in that various raw material weight percentages are: bamboo charcoal nano or nano modified bamboo charcoal: 35%; Potassium permanganate: 6%; Alkali alumina or magnesium hydroxide: 50%; Ammonium chloride: 4%; Emulsion binding agent: 5%.
4. a kind of indoor polluted gas scavenger according to claim 1 is characterized in that nano modified bamboo charcoal is photo-catalytic modified bamboo charcoal nano.
5. according to claim 1 to 2 arbitrary described a kind of indoor polluted gas scavengers, it is characterized in that: described raw material is that bamboo charcoal nano, potassium permanganate or potassium bichromate, alkali alumina or magnesium hydroxide, ammonium chloride, emulsion binding agent are: acetate emulsion adhesive and contain nano titanium oxide 0.2-1%.
6. according to claim 1 to 4 arbitrary described a kind of indoor polluted gas scavengers, it is characterized in that: described scavenger is made bag-shaped, box-like, tubulose, bulk or graininess.
7. a kind of indoor polluted gas scavenger according to claim 5 is characterized in that: described scavenger is made bag-shaped, box-like, tubulose, bulk or graininess.
8. the preparation method of an indoor polluted gas scavenger as claimed in claim 1, after the steps include: good each solid feed of by weight percentage weighing, mix, after the water that adds emulsion binding agent and capacity makes it to infiltrate fully, stir, the time needs 1-5 hour, takes out and send vacuum drying, get product, the control water content is below 5%.
9. the preparation method of a kind of indoor polluted gas scavenger according to claim 5, it is characterized in that: the preparation method is as follows: get first load weighted adhesive, nano titanium oxide, bamboo charcoal nano add suitable quantity of water boil boil 1-3 hour after, add potassium permanganate, alkali alumina or magnesium hydroxide, ammonium chloride stirring after 1-2 hour, behind the Vacuum Concentration, send vacuum drying, get product, the control water content is below 5%.
10. the purposes of an a kind of indoor polluted gas scavenger as claimed in claim 1 or 2, described scavenger is applied in the relatively airtight space.
11. the purposes of an a kind of indoor polluted gas scavenger as claimed in claim 10, described relatively airtight space are that automobile is interior, cabinet is interior, indoor or the interior space of drawer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910047313 CN101898076B (en) | 2009-03-10 | 2009-03-10 | Indoor polluted gas scavenger and preparation method and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910047313 CN101898076B (en) | 2009-03-10 | 2009-03-10 | Indoor polluted gas scavenger and preparation method and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101898076A CN101898076A (en) | 2010-12-01 |
| CN101898076B true CN101898076B (en) | 2013-03-27 |
Family
ID=43224200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910047313 Expired - Fee Related CN101898076B (en) | 2009-03-10 | 2009-03-10 | Indoor polluted gas scavenger and preparation method and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101898076B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233257A (en) * | 2010-04-27 | 2011-11-09 | 无锡百奥科环境科技有限公司 | Hospital formaldehyde pollution scavenger and its preparation method |
| CN102580133B (en) * | 2011-01-14 | 2014-02-12 | 无锡百奥科环境科技有限公司 | Nano antibacterial freshener and preparation method thereof |
| CN102814162A (en) * | 2011-06-08 | 2012-12-12 | 无锡百奥科环境科技有限公司 | Modified activated carbon adsorption scavenger and preparation method |
| CN102847377A (en) * | 2012-01-09 | 2013-01-02 | 无锡百奥科环境科技有限公司 | Purifying filter core material with sterilization function |
| CN103041767B (en) * | 2013-01-05 | 2015-06-24 | 苏州工业园区安泽汶环保技术有限公司 | Preparation method of indicating formaldehyde adsorbent |
| CN104857840B (en) * | 2014-02-26 | 2017-09-01 | 绿普达(北京)科技有限公司 | A kind of scavenging material for removing indoor formaldehyde and common peculiar smell and preparation method thereof |
| CN106334536A (en) * | 2016-11-24 | 2017-01-18 | 无锡奔牛生物科技有限公司 | Toxic gas adsorbing agent |
| CN110585915A (en) * | 2019-09-30 | 2019-12-20 | 宁波康瑞洁纳米环保科技有限公司 | Composite air catalyst spherical nano-mineral crystal purification particle and preparation method thereof |
-
2009
- 2009-03-10 CN CN 200910047313 patent/CN101898076B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101898076A (en) | 2010-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101898076B (en) | Indoor polluted gas scavenger and preparation method and use thereof | |
| CN102814162A (en) | Modified activated carbon adsorption scavenger and preparation method | |
| CN104209091B (en) | Indoor air purification bag and preparation method thereof | |
| CN101774785B (en) | Interior wall coating using shell powder as main component | |
| CN101810874B (en) | Sustained-release chlorine dioxide gel, preparation method and application thereof | |
| CN101585982B (en) | Bioengineering lacquer putty as well as preparation method and use thereof | |
| CN107175070A (en) | It is a kind of efficient except formaldehyde de-tastes air cleaning adsorbent and preparation method | |
| CN101225261B (en) | Architectural interior anion waterproof putty powder and preparation method thereof | |
| WO2016041380A1 (en) | Supported catalyst suitable for purifying air at normal temperature | |
| CN105174859B (en) | Based on kieselguhr micropowder except formaldehyde in indoor air, abnormal flavour interior wall coating and preparation method thereof | |
| CN1982379A (en) | Inner-wall coating composition | |
| CN105542595A (en) | Graphene-diatomaceous-earth anti-formaldehyde coating and preparing method thereof | |
| CN107185535B (en) | Matt aldehyde-removing catalyst, aldehyde-removing system containing catalyst and application of aldehyde-removing system | |
| CN100475292C (en) | Agent for eliminating formaldehyde | |
| CN103623780A (en) | Purifying, adsorbing and sterilizing material and application thereof | |
| CN101474419A (en) | Compound catalytic material for purifying harmful gas | |
| CN101502748A (en) | Deodouring agent for removing formaldehyde | |
| CN102229769B (en) | Bismuth oxyhalides photocatalytic environmental friendly coating and preparation method thereof | |
| CN107737578A (en) | A kind of preparation method of negative ion antibiotic adsorbent material compositions | |
| CN105689006B (en) | A kind of nano photo-catalytic and preparation method thereof | |
| CN105220579A (en) | The pollution-free anion facing paper of a kind of environment-friendly novel | |
| CN106669604A (en) | Air purifying material capable of removing ammonia and secondhand smoke and preparation method thereof | |
| CN102702807A (en) | Photo-catalytic composite coating and preparation method thereof | |
| CN105561767A (en) | Capture type formaldehyde scavenger | |
| CN109181434A (en) | A kind of environment-friendly type coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |