CN106731613A - A kind of formaldehyde scavenger and preparation method thereof - Google Patents
A kind of formaldehyde scavenger and preparation method thereof Download PDFInfo
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- CN106731613A CN106731613A CN201710026038.XA CN201710026038A CN106731613A CN 106731613 A CN106731613 A CN 106731613A CN 201710026038 A CN201710026038 A CN 201710026038A CN 106731613 A CN106731613 A CN 106731613A
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- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/70—Organic acids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/80—Organic bases or salts
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- 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
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- 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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Abstract
The invention discloses a kind of formaldehyde scavenger and preparation method thereof, belong to indoor air purification field.The formaldehyde scavenger be by 1~5 part of aminoguanidine or aminoguanidinium salts, 1~5 part of amino acid, 0.5~1 part of bleeding agent, 0.5~1 part of NMF, 0.1~0.2 part of defoamer, 0.05~0.1 portion of preservative and the agitated dissolving of deionized water after, adjust pH to 6~8 using hydrochloric acid or sodium hydroxide solution and be obtained.Formaldehyde scavenger prepared in accordance with the present invention has that simple production process, environmental protection, formaldehyde removing rate be high, wide market.
Description
Technical field
The invention belongs to indoor air purification field, and in particular to a kind of formaldehyde scavenger and preparation method thereof.
Background technology
With the continuous improvement of people's living standard, the popularization of indoor house ornamentation is a large amount of to use artificial board such as particieboard, glue
Plywood, core-board, density board, adhesive therein contain substantial amounts of free formaldehyde and Lauxite, and with the time in a steady stream not
Disconnected ground release formaldehyde, severe contamination room air.Numerous studies are confirmed, are chronically in the exceeded environment of low concentration formaldehyde easily
Cause the breathing problems such as uncomfortable in chest, asthma, cause allergic, erythema, resistance to decline, PFT, liver dysfunction is highly concentrated
Degree formaldehyde can destroy nerve system of human body, and respiratory system, immune system abnormality induces leukaemia and fetal anomaly, and serious goes back
Entail dangers to people life security.
The primary abatement method of current formaldehyde is divided three classes：(1) absorption method：Adsorbed using some materials with absorption affinity
Formaldehyde, this kind of material mainly includes activated carbon, molecular sieve, adobe mine, but these materials are to the formaldehyde of low concentration
Pollutant adsorption capacity is smaller, quickly reaches adsorption equilibrium, and absorption stability is poor, is susceptible to desorption.(2) photocatalytic method：
Also referred to as photocatalyst technology, photocatalysis is the activated catalyst with light as energy, and reaction can be carried out at normal temperatures and pressures, but is needed
Want special uviol lamp, inconvenient operation.(3) chemical reaction method：Mainly including oxidants hydrogen peroxide, hypochlorous acid etc., containing secondary
Nucleopilic reagent ethyl acetoacetate, dimethyl malenate of methyl work ripple hydrogen etc., aminoderivative urea, ammonium chloride, acid amides, acyl
Hydrazine etc..
Current some formaldehyde scavenger class products on the market, some removal efficiency are low, and regulation effect is poor；Although the effect having
Fruit is pretty good, but other toxic compounds are added in material, easily causes secondary while formaldehyde is administered using such product
Pollution；Some stability is too poor, and the shelf-life is too short, it is impossible to long-term to retain, the then manufacturing equipment and complex manufacturing having, production
High cost, it is impossible to produce in batches.For example：Patent CN200610112349.X discloses a kind of preparation side of formaldehyde scavenger
Method, using basic amino acid as formaldehyde scavenger, safety and environmental protection, but clearance rate is low after drying.Patent
CN201210167251.X discloses a kind of preparation method of plant source compound formaldehyde scavenger, environment friendly and pollution-free, but production
Process is complicated, equipment requirement is high, relatively costly.
The content of the invention
First technical problem to be solved by this invention is to provide a kind of system of formaldehyde removing rate formaldehyde scavenger high
Preparation Method, the method has simple production process, and equipment requirement is low, the characteristics of low production cost.
The preparation method of the formaldehyde scavenger specifically includes following steps：
(1) 80 parts of deionized waters, 1~5 part of aminoguanidine or aminoguanidinium salts and 1~5 part of amino are added in a kettle.
Acid, is stirred well to all of solid and is completely dissolved；
(2) in aforesaid reaction vessel add 0.5~1 part of bleeding agent, 0.1~0.2 part of defoamer, 0.5~1 part of NMF and
0.05~0.1 portion of preservative, continues to stir 20~40min, obtains mixed liquor；
(3) treat after the completion of step (2), the hydrochloric acid or 10wt% NaOH to instillation 10wt% in above-mentioned mixed liquor are molten
Liquid, regulation pH of mixed is added water and is settled to 100 parts to 6~8.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the bleeding agent is alkyl betaines bases, sodium alkyl sulfonate class
Or APG class.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the NMF is poly- for glycerine, propane diols or low-molecular-weight
Ethylene glycol.
Wherein, the low molecular poly is polyethylene glycol of the molecular weight between 200~600.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the preservative be Sodium Benzoate, Phenoxyethanol, Kathon CG or
Benzalkonium chloride.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the aminoguanidinium salts are aminoguanidinium salts hydrochlorate or amino acid sulphur
Hydrochlorate.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the amino acid is lysine, arginine or cysteine.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the defoamer is n-octyl alcohol.
Second technical problem to be solved by this invention is to provide the formaldehyde removing prepared by above-mentioned preparation method
Agent, the scavenger has formaldehyde removing efficiency high, environmental protection, safety non-toxic and does not produce the characteristic of secondary pollution.
Compared with prior art, the beneficial effects of the invention are as follows：In product of the present invention, using aminoguanidine/aminoguanidinium salts with
Two kinds of components of amino acid as scavenger main active, environmental protection while improve formaldehyde removing rate do not produce
Secondary pollution；Bleeding agent improves the reactivity of active matter in formaldehyde scavenger with the compounding of NMF, helps to improve product
Performance.In addition, the inventive method has simple production process, equipment requirement is low, the characteristics of low production cost.
Specific embodiment
The invention provides the preparation method of formaldehyde scavenger, the method specifically includes following steps：
(1) 80 parts of deionized waters, 1~5 part of aminoguanidine or aminoguanidinium salts and 1~5 part of amino are added in a kettle.
Acid, is stirred well to all of solid and is completely dissolved；
(2) in aforesaid reaction vessel add 0.5~1 part of bleeding agent, 0.1~0.2 part of defoamer, 0.5~1 part of NMF and
0.05~0.1 portion of preservative, continues to stir 20~40min, obtains mixed liquor；
(3) treat after the completion of step (2), the hydrochloric acid or 10wt% NaOH to instillation 10wt% in above-mentioned mixed liquor are molten
Liquid, regulation pH of mixed is added water and is settled to 100 parts to 6~8；
Wherein, the aminoguanidinium salts are aminoguanidinium salts hydrochlorate or sulforamidate；The amino acid is lysine, smart ammonia
Acid or cysteine.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the bleeding agent is alkyl betaines bases, sodium alkyl sulfonate class
Or APG class；The NMF is glycerine, propane diols or low molecular poly.
Wherein, the low molecular poly refers to polyethylene glycol of the molecular weight between 200~600.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the preservative be Sodium Benzoate, Phenoxyethanol, Kathon CG or
Benzalkonium chloride.
Wherein, in the preparation method of above-mentioned formaldehyde scavenger, the defoamer is n-octyl alcohol.
Further, present invention also offers the formaldehyde scavenger prepared by above-mentioned preparation method, scavenger tool
There are formaldehyde removing efficiency high, environmental protection, safety non-toxic and do not produce the characteristic of secondary pollution.
Wherein, the formaldehyde scavenger main active is the mixture of aminoguanidine/aminoguanidinium salts and amino acid, is utilized
Active group amino in aminoguanidine/aminoguanidinium salts and amino acid reacts with formaldehyde, so as to produce the stable product of formaldehyde, plays
Purpose that is fixed and removing formaldehyde.Bleeding agent in such scheme can improve the osmosis of formaldehyde scavenger, improve its right
The Scavenging activity of finishing material inside formaldehyde, reduces burst size of methanal.NMF in such scheme dries formaldehyde scavenger
Water membrane is kept to improve the respond of active material on surface afterwards.
The present invention is made further explanation and description below in conjunction with specific embodiment, but and is not so limited the present invention
Protection domain.
Embodiment 1
80 parts of deionized waters, 2 parts of aminoguanidinium salts hydrochlorates and 4 parts of lysines are added in the reactor equipped with agitating device,
It is sufficiently stirred for 30min and is completely dissolved to all solids；Continue to added in reactor 0.5 part of bleeding agent-empgen BB,
0.1 part of defoamer-n-octyl alcohol, 1 part of NMF-PEG (200) and 0.1 part of preservative-benzoic acid, stir 30min, are mixed
Liquid；To the hydrochloric acid that 10wt% is added dropwise in mixed liquor, then regulation pH value of solution adds water and is settled to 100 parts to 6, obtains formaldehyde removing
Agent.
According to QB/T 2761-2006《Indoor air purification effect testing method》, testing example properties of product：Formaldehyde
Clearance rate is 80%.
Embodiment 2
80 parts of deionized waters, 3 parts of aminoguanidines and 3 parts of cysteines are added in the reactor equipped with agitating device, fully
Stirring 30min is completely dissolved to all solids；Continue to added in reactor 0.5 part of bleeding agent-α-sodium olefin sulfonate, 0.1 part
Defoamer-n-octyl alcohol, 1 part of NMF-propane diols and 0.1 part of preservative-Phenoxyethanol, stir 30min, obtain mixed liquor；To
The sodium hydroxide solution of 10wt% is added dropwise in mixed liquor, then regulation pH value of solution adds water and be settled to 100 parts to 7, obtains formaldehyde clear
Except agent.
According to QB/T 2761-2006《Indoor air purification effect testing method》, testing example properties of product：Formaldehyde
Clearance rate is 90%.
Embodiment 3
80 parts of deionized waters, 3 parts of aminoguanidine sulfates and 3 part of half Guang ammonia are added in the reactor equipped with agitating device
Acid, is sufficiently stirred for 30min and is completely dissolved to all solids；Continue to 0.5 part of bleeding agent-lauryl glucose of addition in reactor
Glycosides, 0.1 part of defoamer-n-octyl alcohol, 1 part of NMF-glycerine and 0.1 part of preservative-benzalkonium chloride, stir 30min, are mixed
Close liquid；To the sodium hydroxide solution that 10wt% is added dropwise in mixed liquor, then regulation pH value of solution adds water and is settled to 100 parts, obtain to 8
To formaldehyde scavenger.
According to QB/T 2761-2006《Indoor air purification effect testing method》, testing example properties of product：Formaldehyde
Clearance rate is 85%.
Embodiment 4
80 parts of deionized waters, 2 parts of aminoguanidine sulfates and 4 parts of arginine are added in the reactor equipped with agitating device,
It is sufficiently stirred for 30min and is completely dissolved to all solids；Continue to added in reactor 0.5 part of bleeding agent-lauryl glucoside,
0.1 part of defoamer-n-octyl alcohol, 1 part of NMF-glycerine and 0.1 part of preservative-benzalkonium chloride, stir 30min, are mixed
Liquid；To the hydrochloric acid solution that 10wt% is added dropwise in mixed liquor, then regulation pH value of solution adds water and is settled to 100 parts to 6, obtains formaldehyde
Scavenger.
According to QB/T 2761-2006《Indoor air purification effect testing method》, testing example properties of product：Formaldehyde
Clearance rate is 86%.
Embodiment 5
80 parts of deionized waters, 2 parts of aminoguanidinium salts hydrochlorates and 3 cysteines are added in the reactor equipped with agitating device,
It is sufficiently stirred for 30min and is completely dissolved to all solids；Continue to added in reactor 0.5 part of bleeding agent-α-sodium olefin sulfonate,
0.1 part of defoamer-n-octyl alcohol, 1 part of NMF-propane diols and 0.1 part of preservative-Phenoxyethanol, stir 30min, are mixed
Liquid；To the hydrochloric acid solution that 10wt% is added dropwise in mixed liquor, then regulation pH value of solution adds water and is settled to 100 parts to 7, obtains formaldehyde
Scavenger.
According to QB/T 2761-2006《Indoor air purification effect testing method》, testing example properties of product：Formaldehyde
Clearance rate is 89%.
The above is the preferred embodiments of the present invention, it is noted that for a person skilled in the art, is not being taken off
On the premise of structure of the present invention, various modifications and improvements can be made, these should also be as being considered as protection scope of the present invention,
The practicality of these effects implemented all without the influence present invention and this patent.
Claims (9)
1. the preparation method of formaldehyde scavenger, it is characterised in that the method specifically includes following steps：
(1) 80 parts of deionized waters, 1~5 part of aminoguanidine or aminoguanidinium salts and 1~5 part of amino acid are added in a kettle., are filled
Stirring to all of solid is divided to be completely dissolved；
(2) 0.5~1 part of bleeding agent, 0.1~0.2 part of defoamer, 0.5~1 part of NMF and 0.05 are added in aforesaid reaction vessel
~0.1 portion of preservative, continues to stir 20~40min, obtains mixed liquor；
(3) treat after the completion of step (2), to hydrochloric acid or 10wt% sodium hydroxide solutions that 10wt% is instilled in above-mentioned mixed liquor, adjust
Section pH of mixed is added water and is settled to 100 parts to 6~8.
2. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the bleeding agent is alkyl betaine
Class, sodium alkyl sulfonate class or APG class.
3. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the NMF is glycerine, third
Glycol or low molecular poly.
4. the preparation method of formaldehyde scavenger according to claim 3, it is characterised in that the low molecular poly is
Polyethylene glycol of the molecular weight between 200~600.
5. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the preservative be Sodium Benzoate,
Phenoxyethanol, Kathon CG or benzalkonium chloride.
6. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the aminoguanidinium salts are aminoguanidinium salts
Hydrochlorate or sulforamidate.
7. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the amino acid is lysine, essence
Propylhomoserin or cysteine.
8. the preparation method of formaldehyde scavenger according to claim 1, it is characterised in that the defoamer is n-octyl alcohol.
9. the preparation method of formaldehyde scavenger described in any one of claim 1~8, the formaldehyde scavenger for preparing.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694003A (en) * | 2017-10-10 | 2018-02-16 | 广州市澳米环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN107961663A (en) * | 2017-11-20 | 2018-04-27 | 广州市奥因环保科技有限公司 | Formaldehyde eliminating smell agent |
| CN108380035A (en) * | 2018-02-11 | 2018-08-10 | 福建工程学院 | A kind of formaldehyde catching fumicants and preparation method thereof |
| CN108404618A (en) * | 2018-06-01 | 2018-08-17 | 江苏敖广日化集团股份有限公司 | A kind of formaldehyde eliminating agent and preparation method thereof |
| GB2565331A (en) * | 2017-08-10 | 2019-02-13 | Kingspan Holdings Irl Ltd | Phenolic foam and method of manufacture thereof |
| CN109453492A (en) * | 2018-11-29 | 2019-03-12 | 重庆佩尔哲汽车内饰系统有限公司 | A kind of aldehyde remover, felt and preparation method |
| CN109568871A (en) * | 2018-12-29 | 2019-04-05 | 天津市天朝鼎盛环保科技有限公司 | One kind removing formaldehyde agent and preparation method |
| CN110270045A (en) * | 2019-07-12 | 2019-09-24 | 青岛爱家源环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN110433624A (en) * | 2019-07-27 | 2019-11-12 | 国康(唐山)检测技术服务有限公司 | A kind of room temperature scavenging material and preparation method thereof for removing formaldehyde |
| CN110801720A (en) * | 2019-11-15 | 2020-02-18 | 王再华 | Green and low-toxicity formaldehyde scavenger and preparation method thereof |
| CN112221066A (en) * | 2020-10-12 | 2021-01-15 | 江苏瑞丰科技实业有限公司 | Treatment technology for formaldehyde pollution source |
| CN113750768A (en) * | 2021-09-28 | 2021-12-07 | 绍兴道普新材料科技有限公司 | Epsilon-polylysine formaldehyde scavenger |
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| CN108380035A (en) * | 2018-02-11 | 2018-08-10 | 福建工程学院 | A kind of formaldehyde catching fumicants and preparation method thereof |
| CN108404618A (en) * | 2018-06-01 | 2018-08-17 | 江苏敖广日化集团股份有限公司 | A kind of formaldehyde eliminating agent and preparation method thereof |
| CN109453492A (en) * | 2018-11-29 | 2019-03-12 | 重庆佩尔哲汽车内饰系统有限公司 | A kind of aldehyde remover, felt and preparation method |
| CN109568871A (en) * | 2018-12-29 | 2019-04-05 | 天津市天朝鼎盛环保科技有限公司 | One kind removing formaldehyde agent and preparation method |
| CN110270045A (en) * | 2019-07-12 | 2019-09-24 | 青岛爱家源环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN110433624A (en) * | 2019-07-27 | 2019-11-12 | 国康(唐山)检测技术服务有限公司 | A kind of room temperature scavenging material and preparation method thereof for removing formaldehyde |
| CN110801720A (en) * | 2019-11-15 | 2020-02-18 | 王再华 | Green and low-toxicity formaldehyde scavenger and preparation method thereof |
| CN112221066A (en) * | 2020-10-12 | 2021-01-15 | 江苏瑞丰科技实业有限公司 | Treatment technology for formaldehyde pollution source |
| CN113750768A (en) * | 2021-09-28 | 2021-12-07 | 绍兴道普新材料科技有限公司 | Epsilon-polylysine formaldehyde scavenger |
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Application publication date: 20170531 |