CN106110856A - A kind of except formaldehyde purifying agent - Google Patents

A kind of except formaldehyde purifying agent Download PDF

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Publication number
CN106110856A
CN106110856A CN201610622958.3A CN201610622958A CN106110856A CN 106110856 A CN106110856 A CN 106110856A CN 201610622958 A CN201610622958 A CN 201610622958A CN 106110856 A CN106110856 A CN 106110856A
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parts
agent
nano
folium camelliae
camelliae sinensis
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陈生力
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Baohusan Environmental Protection Science & Technology Chengdu Co Ltd
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Baohusan Environmental Protection Science & Technology Chengdu Co Ltd
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • 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
    • A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/21—Use of chemical compounds for treating air or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/80—Organic bases or salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20792—Zinc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract

The present invention relates to air purification field, especially a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 5～10 parts, nano antibacterial agent 4～8 parts, modified polyacrylamide 5～10 parts, levelling agent 0.2～0.5 part, rare earth activators 0.2～0.5 part, plant aromatherapy quintessence oil 0.5～2 parts, tea polyphenols 1～3 parts, defoamer 1～2.5 parts, deionized water 200 parts.Can the most degerming, deodorization, and add Folium Camelliae sinensis extract and the harmful substance such as formaldehyde that nano antibacterial agent can effectively decompose as photocatalyst in air, benzene, and nano antibacterial agent also have strong bacteriostasis antibiosis effect, it is ensured that the fungistatic effect in long-time.

Description

A kind of except formaldehyde purifying agent
Technical field
The present invention relates to air purification field, especially a kind of except formaldehyde purifying agent.
Background technology
In room air pollution, formaldehyde pollution is typically the most universal the most intractable, during decorating house, by In many artificial board, binding agent, coating, paint, all contain formaldehyde, the dusty gas based on formaldehyde can be volatilized for a long time, Human body is damaged.Formaldehyde is defined as carcinogenic and teratogenecity material by World Health Organization (WHO), and Long Term Contact formaldehyde can draw Play the diseases such as chronic respiratory tract disease, pregnancy syndrome, leukemia, it is also possible to cause neonatal chromosome disorder and teenager note Recall power to go down, mental retardation etc..
Along with the lifting of people's living standard, the requirement for environment is more and more higher.Air purifying preparation is increasing Enter in the life of people, but existing air purifying preparation is only capable of bacteriostasis, and deodorization mostly, and effective time is shorter, it is impossible to for The pollution gas such as formaldehyde, benzene eliminates.
Summary of the invention
The present invention is directed to the problems referred to above and propose a kind of except formaldehyde purifying agent, can not only degerming, deodorization, moreover it is possible to effectively go Except the pollution gas such as formaldehyde, benzene.
To achieve these goals, the technical solution adopted in the present invention is, a kind of except formaldehyde purifying agent, its raw material is by weight Amount part agent includes Folium Camelliae sinensis extract 5～10 parts, nano antibacterial agent 4～8 parts, modified polyacrylamide 5～10 parts, levelling agent 0.2 ～0.5 part, rare earth activators 0.2～0.5 part, plant aromatherapy quintessence oil 0.5～2 parts, tea polyphenols 1～3 parts, defoamer 1～2.5 Part, deionized water 200 parts.
As preferably, a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 10 parts, nano-antibacterial Agent 5 parts, modified polyacrylamide 8 parts, levelling agent 0.3 part, rare earth activators 0.4 part, plant aromatherapy quintessence oil 1 part, tea polyphenols 2 Part, defoamer 1.5 parts, deionized water 200 parts.
Described nano antibacterial agent is nano-TiO2, nano-ZnO and the mixture of nanometer Ag, nano-TiO2, nano-ZnO Being 30～50 nanometers with the granularity of nanometer silver, the ratio of three is TiO2: ZnO:Ag=(1～2): 1:0.5.
The preparation method of described Folium Camelliae sinensis extract is, weighs 5 portions of Folium Camelliae sinensis by weight, is placed in beaker, adds 70 parts Deionized water, is placed on electric furnace heating 30min, after cooling, carries out sucking filtration with buchner funnel, and gained filtrate is Folium Camelliae sinensis extract.
Described modified polyacrylamide preparation technology is: ratio 1:1 chooses mass fraction by weight is 18～22% The polyacrylamide solution of mean molecule quantity 40000 and mass fraction are the hydrazine hydrate solution mixing of 75～85%, at 50-60 Stirring reaction 16～21h under DEG C environment, by the product obtained through precipitation, be dried, obtain modified polyacrylamide.
Product of the present invention can the most degerming, deodorization, and add Folium Camelliae sinensis extract and nano antibacterial agent energy Effectively decompose the harmful substances such as the formaldehyde in air, benzene as photocatalyst, and nano antibacterial agent also has strong bacteriostasis antibiosis to make With, it is ensured that the fungistatic effect in long-time, containing organic amine group in modified polyacrylamide, can be raw in formaldehyde reaction for a long time Become the stable compounds such as hexamethylenetetramine.
Detailed description of the invention
By predetermined purpose and technological means and effect that the present invention reached being expanded on further, below in conjunction with embodiment to this The specific embodiments of invention is described in detail.
Embodiment 1: a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 10 parts, nano-antibacterial Agent 5 parts, modified polyacrylamide 8 parts, levelling agent 0.3 part, rare earth activators 0.4 part, plant aromatherapy quintessence oil 1 part, tea polyphenols 2 Part, defoamer 1.5 parts, deionized water 200 parts.
Described nano antibacterial agent is nano-TiO2, nano-ZnO and the mixture of nanometer Ag, nano-TiO2, nano-ZnO Being 30～50 nanometers with the granularity of nanometer silver, the ratio of three is TiO2: ZnO:Ag=1.5:1:0.5.
The preparation method of described Folium Camelliae sinensis extract is, weighs 5 portions of Folium Camelliae sinensis by weight, is placed in beaker, adds 70 parts Deionized water, is placed on electric furnace heating 30min, after cooling, carries out sucking filtration with buchner funnel, and gained filtrate is Folium Camelliae sinensis extract.
Described modified polyacrylamide preparation technology is: by weight ratio 1:1 choose mass fraction be 20% average The polyacrylamide solution of molecular weight 40000 and the hydrazine hydrate solution mixing that mass fraction is 80%, under 50-60 DEG C of environment Stirring reaction 19h, by the product obtained through precipitating, being dried, obtains modified polyacrylamide.
Embodiment 2: a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 5 parts, nano antibacterial agent 8 parts, modified polyacrylamide 5 parts, levelling agent 0.2 part, rare earth activators 0.2 part, plant aromatherapy quintessence oil 2 parts, tea polyphenols 1 part, Defoamer 1 part, deionized water 200 parts.
Described nano antibacterial agent is nano-TiO2, nano-ZnO and the mixture of nanometer Ag, nano-TiO2, nano-ZnO Being 30～50 nanometers with the granularity of nanometer silver, the ratio of three is TiO2: ZnO:Ag=1:1:0.5.
The preparation method of described Folium Camelliae sinensis extract is, weighs 5 portions of Folium Camelliae sinensis by weight, is placed in beaker, adds 70 parts Deionized water, is placed on electric furnace heating 30min, after cooling, carries out sucking filtration with buchner funnel, and gained filtrate is Folium Camelliae sinensis extract.
Described modified polyacrylamide preparation technology is: by weight ratio 1:1 choose mass fraction be 18% average The polyacrylamide solution of molecular weight 40000 and the hydrazine hydrate solution mixing that mass fraction is 75%, under 50-60 DEG C of environment Stirring reaction 21h, by the product obtained through precipitating, being dried, obtains modified polyacrylamide.
Embodiment 3: a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 8 parts, nano antibacterial agent 3 parts, modified polyacrylamide 10 parts, levelling agent 0.5 part, rare earth activators 0.5 part, plant aromatherapy quintessence oil 0.5 part, tea polyphenols 3 Part, defoamer 2.5 parts, deionized water 200 parts.
Described nano antibacterial agent is nano-TiO2, nano-ZnO and the mixture of nanometer Ag, nano-TiO2, nano-ZnO Being 30～50 nanometers with the granularity of nanometer silver, the ratio of three is TiO2: ZnO:Ag=2:1:0.5.
The preparation method of described Folium Camelliae sinensis extract is, weighs 5 portions of Folium Camelliae sinensis by weight, is placed in beaker, adds 70 parts Deionized water, is placed on electric furnace heating 30min, after cooling, carries out sucking filtration with buchner funnel, and gained filtrate is Folium Camelliae sinensis extract.
Described modified polyacrylamide preparation technology is: by weight ratio 1:1 choose mass fraction be 22% average The polyacrylamide solution of molecular weight 40000 and the hydrazine hydrate solution mixing that mass fraction is 85%, under 50-60 DEG C of environment Stirring reaction 16h, by the product obtained through precipitating, being dried, obtains modified polyacrylamide.
Embodiment 4: a kind of except formaldehyde purifying agent, the agent by weight of its raw material includes Folium Camelliae sinensis extract 5 parts, nano antibacterial agent 8 parts, modified polyacrylamide 5 parts, levelling agent 0.2 part, rare earth activators 0.2 part, plant aromatherapy quintessence oil 2 parts, tea polyphenols 1 part, Defoamer 1.5 parts, deionized water 200 parts.
As it has been described above, only present pre-ferred embodiments, therefore appoint all without departing from this programme technology contents, according to this Above example is made any simple change, equivalent variations and modification by bright technical spirit, all still falls within the technology of the present invention The scope of scheme.

Claims (5)

1. one kind is removed formaldehyde purifying agent, it is characterised in that: the agent by weight of its raw material includes Folium Camelliae sinensis extract 5～10 parts, nanometer Antibacterial 4～8 parts, modified polyacrylamide 5～10 parts, levelling agent 0.2～0.5 part, rare earth activators 0.2～0.5 part, plant Champignon essence oil 0.5～2 parts, tea polyphenols 1～3 parts, defoamer 1～2.5 parts, deionized water 200 parts.
One the most according to claim 1 removes formaldehyde purifying agent, it is characterised in that: the agent by weight of its raw material includes Folium Camelliae sinensis Extract 10 parts, nano antibacterial agent 5 parts, modified polyacrylamide 8 parts, levelling agent 0.3 part, rare earth activators 0.4 part, plant perfume Smoke quintessence oil 1 part, tea polyphenols 2 parts, defoamer 1～2.5 parts, deionized water 200 parts.
One the most according to claim 1 and 2 remove formaldehyde purifying agent, it is characterised in that: described nano antibacterial agent for for Nano-TiO2, nano-ZnO and the mixture of nanometer Ag, nano-TiO2, the granularity of nano-ZnO and nanometer silver be 30～50 nanometers, The ratio of three is TiO2: ZnO:Ag=(1～2): 1:0.5.
One the most according to claim 1 and 2 removes formaldehyde purifying agent, it is characterised in that: the preparation of described Folium Camelliae sinensis extract Method is, weighs 5 portions of Folium Camelliae sinensis by weight, is placed in beaker, adds 70 parts of deionized waters, is placed on electric furnace heating 30min, After cooling, carrying out sucking filtration with buchner funnel, gained filtrate is Folium Camelliae sinensis extract.
One the most according to claim 1 and 2 removes formaldehyde purifying agent, it is characterised in that: described modified polyacrylamide Preparation technology is, ratio 1:1 by weight chooses the polyacrylamide of mean molecule quantity 40000 that mass fraction is 18～22% Aqueous solution and mass fraction are the hydrazine hydrate solution mixing of 75～85%, stirring reaction 16～21h under 50-60 DEG C of environment, will The product arrived, through precipitating, being dried, obtains modified polyacrylamide.
CN201610622958.3A 2016-08-02 2016-08-02 A kind of except formaldehyde purifying agent Pending CN106110856A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106945489A (en) * 2017-03-05 2017-07-14 华南理工大学 A kind of vehicular air purifier using Nano Silver tealeaf residue biological carbon as main filtrate
CN108392969A (en) * 2018-03-09 2018-08-14 太原氦舶新材料有限责任公司 A kind of formaldehyde removal purification spray
CN108479310A (en) * 2018-04-13 2018-09-04 王文灼 A kind of antimicrobial protective film aqua and preparation method thereof
CN108771961A (en) * 2018-07-03 2018-11-09 珠海华泽生物科技有限公司 A kind of biological enzyme removes formaldehyde agent and its application
CN108926994A (en) * 2018-07-04 2018-12-04 绍兴臣工新材料科技有限公司 Visible light removes the multifunctional air cleaning agent and its preparation method of formaldehyde and antibacterial
CN110252099A (en) * 2018-03-12 2019-09-20 山东奥古生物科技有限公司 A kind of activity breakdown type formaldehyde scavenger and preparation method thereof
CN111345296A (en) * 2018-12-21 2020-06-30 南京科翼新材料有限公司 Glyphosate aqueous agent synergistic auxiliary agent with formaldehyde removing function and preparation method thereof
CN112638500A (en) * 2018-07-05 2021-04-09 陶鲁斯研究与发展公司 Air filter for removing aldehyde VOC from indoor air
CN113499667A (en) * 2021-07-26 2021-10-15 绿伞环保科技(深圳)有限公司 Formaldehyde-removing plant essential oil composition and preparation method thereof

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CN1788796A (en) * 2004-12-13 2006-06-21 张贵洲 Nanometer photo-catalytic sterilizing and air-cleaning agent
CN1918999A (en) * 2006-08-30 2007-02-28 吴金龙 Preparation process of nano antibacterial agent
CN101474419A (en) * 2008-01-03 2009-07-08 欧阳林 Compound catalytic material for purifying harmful gas
CN103360108A (en) * 2013-06-17 2013-10-23 浙江日盛建设有限公司 Novel organic silicon waterproof agent and preparation method thereof
CN104431092A (en) * 2014-11-11 2015-03-25 佛山市高明区生产力促进中心 Method for preparing instant powder
CN104841253A (en) * 2015-05-20 2015-08-19 上海韬鸿化工科技有限公司 Tea polyphenol formaldehyde remover
CN104874267A (en) * 2015-05-20 2015-09-02 上海艳紫化工科技有限公司 Formaldehyde cleaning agent
CN104982593A (en) * 2015-07-22 2015-10-21 恒枫食品科技有限公司 Preparation method for fruit flavored type fermented tea extract and obtained extract therefrom
CN105727494A (en) * 2014-12-12 2016-07-06 上海美世环保科技有限公司 Formaldehyde scavenging agent

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Publication number Priority date Publication date Assignee Title
CN1788796A (en) * 2004-12-13 2006-06-21 张贵洲 Nanometer photo-catalytic sterilizing and air-cleaning agent
CN1918999A (en) * 2006-08-30 2007-02-28 吴金龙 Preparation process of nano antibacterial agent
CN101474419A (en) * 2008-01-03 2009-07-08 欧阳林 Compound catalytic material for purifying harmful gas
CN103360108A (en) * 2013-06-17 2013-10-23 浙江日盛建设有限公司 Novel organic silicon waterproof agent and preparation method thereof
CN104431092A (en) * 2014-11-11 2015-03-25 佛山市高明区生产力促进中心 Method for preparing instant powder
CN105727494A (en) * 2014-12-12 2016-07-06 上海美世环保科技有限公司 Formaldehyde scavenging agent
CN104841253A (en) * 2015-05-20 2015-08-19 上海韬鸿化工科技有限公司 Tea polyphenol formaldehyde remover
CN104874267A (en) * 2015-05-20 2015-09-02 上海艳紫化工科技有限公司 Formaldehyde cleaning agent
CN104982593A (en) * 2015-07-22 2015-10-21 恒枫食品科技有限公司 Preparation method for fruit flavored type fermented tea extract and obtained extract therefrom

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106945489A (en) * 2017-03-05 2017-07-14 华南理工大学 A kind of vehicular air purifier using Nano Silver tealeaf residue biological carbon as main filtrate
CN108392969A (en) * 2018-03-09 2018-08-14 太原氦舶新材料有限责任公司 A kind of formaldehyde removal purification spray
CN110252099A (en) * 2018-03-12 2019-09-20 山东奥古生物科技有限公司 A kind of activity breakdown type formaldehyde scavenger and preparation method thereof
CN108479310A (en) * 2018-04-13 2018-09-04 王文灼 A kind of antimicrobial protective film aqua and preparation method thereof
CN108771961A (en) * 2018-07-03 2018-11-09 珠海华泽生物科技有限公司 A kind of biological enzyme removes formaldehyde agent and its application
CN108771961B (en) * 2018-07-03 2021-05-04 珠海华泽生物科技有限公司 Biological enzyme formaldehyde removing agent and application thereof
CN108926994A (en) * 2018-07-04 2018-12-04 绍兴臣工新材料科技有限公司 Visible light removes the multifunctional air cleaning agent and its preparation method of formaldehyde and antibacterial
CN112638500A (en) * 2018-07-05 2021-04-09 陶鲁斯研究与发展公司 Air filter for removing aldehyde VOC from indoor air
CN111345296A (en) * 2018-12-21 2020-06-30 南京科翼新材料有限公司 Glyphosate aqueous agent synergistic auxiliary agent with formaldehyde removing function and preparation method thereof
CN113499667A (en) * 2021-07-26 2021-10-15 绿伞环保科技(深圳)有限公司 Formaldehyde-removing plant essential oil composition and preparation method thereof

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Application publication date: 20161116