CN109925852A - A method of except formaldehyde composition and removal formaldehyde - Google Patents
A method of except formaldehyde composition and removal formaldehyde Download PDFInfo
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- CN109925852A CN109925852A CN201910213477.0A CN201910213477A CN109925852A CN 109925852 A CN109925852 A CN 109925852A CN 201910213477 A CN201910213477 A CN 201910213477A CN 109925852 A CN109925852 A CN 109925852A
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- formaldehyde
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Abstract
The present invention relates to purifying formaldehyde technical field, in particular to it is a kind of except formaldehyde composition and remove formaldehyde method.The formaldehyde composition that removes includes following components by weight:
Description
Technical field
The present invention relates to purifying formaldehyde technical field, in particular to it is a kind of except formaldehyde composition and remove formaldehyde method.
Background technique
In people's daily life, the consumer goods such as indoor hardware fitting, furniture and clothing fabric through Special Finishing
In the formaldehyde that contains have become one of severe pollutant of room air.
Researcher find pendency foliage plant bracketplant can purify the air of a room in formaldehyde, but removed using plant absorption method
The formaldehyde time is longer, and uptake is also limited.Separately there is researcher to be impregnated in phosphoric acid solution with microporous particles charcoal, active carbon is soaked
Bubble easily reaches in ZnCl2 solution by the formaldehyde in the activated carbon adsorption room air of drying, but with activated carbon adsorption formaldehyde
Saturation state.Also studies have found that photocatalyst has good degradation effect to air pollutants, but this method need to use ultraviolet light
It is operated with professional, and secondary pollution can be brought.It is general using single hydrazides, Ammonia substance effect, and two can be brought
Secondary pollution.No adhesive agent, poor permeability except formaldehyde composition for fit up the fields such as furniture except formaldehyde when, easily wiped
It removes, only works in a short time.
It is then desired to it is a kind of with the feature of environmental protection and being not easy be wiped free of except formaldehyde composition.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of methods except formaldehyde composition and removal formaldehyde.
According to an aspect of the present invention, one kind is provided except formaldehyde composition, including following components by weight:
The formaldehyde catching agent in ethylene urea, hydrazide kind compound, ammonium hydroxide, glycine, ammonium chloride, chitosan one
Kind or more than one.
According to embodiment of the present invention, the hydrazide kind compound is selected from adipic dihydrazide, acethydrazide or second
Dihydrazi.
According to embodiment of the present invention, the formaldehyde catching agent is ethylene urea and adipic dihydrazide.
According to embodiment of the present invention, the weight ratio of the ethylene urea and the adipic dihydrazide be 1:3~
3:1。
According to embodiment of the present invention, the adhesive agent be selected from polyvinyl alcohol, polyethylene glycol, acrylic resin,
One of laruyl alcohol or more than one.
According to embodiment of the present invention, the stabilizer is selected from one of anhydrous magnesium chloride, sodium chloride or two
Kind.
According to embodiment of the present invention, the cosolvent is selected from one or both of ethyl alcohol, methanol, described molten
Agent is selected from deionized water or distilled water.
According to embodiment of the present invention, the formaldehyde catching agent be ethylene urea and adipic dihydrazide, it is described attached
Agent be polyvinyl alcohol, the stabilizer be anhydrous magnesium chloride, the cosolvent be ethyl alcohol, the solvent be deionized water.
According to another aspect of the present invention, the preparation method as described above for removing formaldehyde composition is provided, including following
Step:
Adhesive agent and cosolvent are mixed to get mixed solution, then again by the mixed solution and formaldehyde catching agent, steady
Determine agent, solvent mixing, obtains described except formaldehyde composition.
According to another aspect of the invention, a kind of method for removing formaldehyde is provided, including the use of as described above except first
Aldehyde compositions remove the step of formaldehyde.
It is of the invention except formaldehyde composition more efficient can thoroughly remove formaldehyde, the use of adhesive agent enables composition to inhale
It is attached and penetrate into furniture etc. surface layer below about 2-5mm, remove formaldehyde from source, and be not easy to be wiped free of, more except effect of formaldehyde
Thoroughly persistently.It is of the invention to bring secondary pollution except formaldehyde composition is more environmentally-friendly, it can be used in indoor except formaldehyde.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment to skill of the invention
Art scheme is clearly and completely described.
According to an aspect of the present invention, one kind is provided except formaldehyde composition, including following components by weight:
The formaldehyde catching agent in ethylene urea, hydrazide kind compound, ammonium hydroxide, glycine, ammonium chloride, chitosan one
Kind or more than one.
The formaldehyde catching agent in ethylene urea, hydrazide kind compound, ammonium hydroxide, glycine, ammonium chloride, chitosan two
Kind is two or more.
Composition of the invention is sprayed to the surface in the Form aldehyde releases such as plate furniture source, formaldehyde catching agent can gradually permeate
To furniture surface layer and hereinafter, adhesive agent offer suction-operated, reinforces the osmotic effect of formaldehyde catching agent, gos deep into formaldehyde catching agent
To Form aldehyde release source, is reacted with formaldehyde and generate innocuous substance, even if the later period wipes a small amount of formaldehyde catching agent remained on surface,
It will not influence except effect of formaldehyde, cosolvent can accelerate composition and prepare speed, and stabilizer ensure that the stability of composition, just
In long term storage, solvent is as carrier.
According to embodiment of the present invention, the hydrazide kind compound is selected from adipic dihydrazide, acethydrazide or second
Dihydrazi.
According to embodiment of the present invention, the hydrazide kind compound is selected from adipic dihydrazide.
According to embodiment of the present invention, the formaldehyde catching agent is ethylene urea and adipic dihydrazide.
In the present invention, ethylene urea is applied in combination with adipic dihydrazide, can be more efficient thorough except effect of formaldehyde is obviously improved
Remove formaldehyde to bottom；In addition, combination of the two is used compared to adipic dihydrazide is used alone, the feature of environmental protection is improved.
According to embodiment of the present invention, the weight ratio of the ethylene urea and the adipic dihydrazide be 1:3~
3:1。
According to embodiment of the present invention, ethylene urea is 99% or more medical grade ethylene urea of content.According to the present invention
An embodiment, adipic dihydrazide is produced by the producer of profession, and has mature industrialized production purifying process, pure
Degree is not less than 98%, and initial free hydrazine content is no more than 20ppm.The adipic dihydrazide for selecting free hydrazine content extremely low ensure that
The safety of this product and environment friendly.
According to embodiment of the present invention, the adhesive agent be selected from polyvinyl alcohol, polyethylene glycol, acrylic resin,
One of laruyl alcohol or more than one.
The assist infiltration agent that functions as of adhesive agent makes formaldehyde catching agent be attached to furniture surface, and enhances formaldehyde catching
The osmotic effect of agent.And it is in the prior art except formaldehyde composition can only remove the formaldehyde on surface, and be easy to be wiped free of.In root
According in the polyvinyl alcohol of an embodiment of the invention, the alcoholysis degree of polyvinyl alcohol is 88%~96%.
According to embodiment of the present invention, the stabilizer is selected from one of anhydrous magnesium chloride, sodium chloride or two
Kind.
The effect of stabilizer is to keep composition more stable, and function and effect are more longlasting.According to embodiment of the present invention,
Magnesium chloride is the anhydrous magnesium chloride of 96% or more purity.
According to embodiment of the present invention, the cosolvent is selected from one or both of ethyl alcohol, methanol, described molten
Agent is selected from deionized water or distilled water.
The effect of cosolvent is to speed up the dissolution of substance.According to embodiment of the present invention, ethyl alcohol is purity 90%
Above medical grade ethyl alcohol.
According to embodiment of the present invention, the weight ratio of cosolvent and solvent is 1:4~1:10.
According to embodiment of the present invention, the formaldehyde catching agent be ethylene urea and adipic dihydrazide, it is described attached
Agent be polyvinyl alcohol, the stabilizer be anhydrous magnesium chloride, the cosolvent be ethyl alcohol, the solvent be deionized water.
According to embodiment of the present invention, the formaldehyde composition that removes of the invention includes following components by weight:
3~10 parts of ethylene urea,
3~10 parts of adipic dihydrazide,
0.1~0.5 part of polyvinyl alcohol,
0.2~1 part of anhydrous magnesium chloride,
10~30 parts of ethyl alcohol,
80~120 parts of deionized water.
According to another aspect of the present invention, the preparation method as described above for removing formaldehyde composition is provided, including following
Step:
Adhesive agent and cosolvent are mixed to get mixed solution, then again by the mixed solution and formaldehyde catching agent, steady
Determine agent, solvent mixing, obtains described except formaldehyde composition.
According to embodiment of the present invention, preparation method may is that is mixed adhesive agent, auxiliary agent after evenly mixing
Solution is closed, heat up (such as being warming up to 40 DEG C, 45 DEG C, 50 DEG C, 55 DEG C etc.) and is stirred, so that adhesive agent is dissolved completely in auxiliary agent, so
Mixed solution is mixed again with formaldehyde catching agent, stabilizer, solvent afterwards, is stirred, is then placed at such as 8 DEG C~26 DEG C certain
Time (such as 18~30h) obtains except formaldehyde composition.
Specifically, preparation method may is that obtains mixed solution for polyvinyl alcohol, ethyl alcohol after evenly mixing, heat up (such as
It is warming up to 40 DEG C, 45 DEG C, 50 DEG C, 55 DEG C etc.) and stir, so that polyvinyl alcohol is dissolved completely in ethyl alcohol, then again by mixed solution
It mixes, is sufficiently stirred with deionized water, ethylene urea, adipic dihydrazide, magnesium chloride, then placed at such as 8 DEG C~26 DEG C
Certain time (such as 18~30h, such as 24 hours), it obtains except formaldehyde composition.
According to another aspect of the invention, a kind of method for removing formaldehyde is provided, including the use of as described above except first
Aldehyde compositions remove the step of formaldehyde.
According to embodiment of the present invention, first is removed for air cleaning, finishing except formaldehyde composition as described above
Aldehyde, furniture are except fields such as formaldehyde.
In the present invention, when using except formaldehyde composition, after main component penetrate into furniture surface layer and it is following after, erasure table
The remaining substance of layer, feature of environmental protection when ensure that using composition of the invention except formaldehyde.
If raw material used in the embodiment of the present invention is produced by the producer of profession without other explanations.Embodiment
Parts by weight are each meant with " part " in comparative example.
Embodiment 1
Embodiment 1 except formaldehyde composition the preparation method is as follows:
Polyvinyl alcohol, ethyl alcohol are obtained into mixed solution after evenly mixing, be warming up to 50 DEG C and stir 30min, makes polyethylene
Alcohol is dissolved completely in ethyl alcohol, then again mixes mixed solution with deionized water, ethylene urea, adipic dihydrazide, magnesium chloride, fills
Divide stirring, then placed at 20 DEG C for 24 hours, obtain embodiment 1 removes formaldehyde composition.
Embodiment 2
Embodiment 3
Embodiment 4
Embodiment 5
Embodiment 6
Embodiment 7
Embodiment 8
Same as Example 1, difference is only that not include adipic dihydrazide.
Embodiment 9
Same as Example 1, difference is only that not include ethylene urea.
Comparative example 1
Same as Example 1, difference is only that not include anhydrous magnesium chloride.
Comparative example 2
Same as Example 1, difference is only that formaldehyde catching agent is 10 parts of active carbons.
Comparative example 3
Same as Example 2, difference is only that not include polyvinyl alcohol.
Comparative example 4
Same as Example 7, difference is only that not include laruyl alcohol.
In addition to specific substance used is different, in embodiment 2~7 and comparative example 1~2 except formaldehyde composition preparation
Method is same as Example 1.
Comparative example 3~4 except formaldehyde composition the preparation method is as follows:
Each component is mixed, is sufficiently stirred, is then placed at 20 DEG C for 24 hours, the formaldehyde that removes for obtaining comparative example 3~4 combines
Object.
Performance test
1, formaldehyde performance test (25 DEG C) are removed within room temperature 12 hours
Experimental provision is built according to national standard QB-T2761-2006 " indoor air purification product clean-up effect measuring method ",
Carry out experiment test.Will 1 square metre of bare board of release formaldehyde be placed in 10 square metres of blank cabins, after placing for 24 hours, inspection
It surveys in blank cabin, the concentration of formaldehyde is 1 milligram/cubic metre, respectively by the product of 5g Examples 1 to 3 and comparative example 1~7 point
The concentration of blank cabin formaldehyde Tu Shua not be detected in each blank cabin, after 12 hours.The removal rate of formaldehyde=(initial concentration-examination
Sample concentration) × 100/ initial concentration, test result is shown in Table 1.
2, formaldehyde performance test (25 DEG C) are removed within room temperature 24 hours
Experimental provision is built according to national standard QB-T2761-2006 " indoor air purification product clean-up effect measuring method ",
Carry out experiment test.Will 1 square metre of bare board of release formaldehyde be placed in 10 square metres of blank cabins, after placing for 24 hours, inspection
It surveys in blank cabin, the concentration of formaldehyde is 1 milligram/cubic metre, respectively by the product of 5g Examples 1 to 3 and comparative example 1~7 point
The concentration of blank cabin formaldehyde Tu Shua not be detected in each blank cabin, after 24 hours.The removal rate of formaldehyde=(initial concentration-examination
Sample concentration) × 100/ initial concentration, test result is shown in Table 1.
Table 1 removes formaldehyde the performance test results
| Formaldehyde removal rate (12h) | Formaldehyde removal rate (for 24 hours) | |
| Embodiment 1 | 92% | 96.2% |
| Embodiment 2 | 91.2% | 94.6% |
| Embodiment 3 | 85.8% | 90.3% |
| Embodiment 4 | 88% | 92.5% |
| Embodiment 5 | 78% | 79.5% |
| Embodiment 6 | 73.3% | 77.2% |
| Embodiment 7 | 82.2% | 85.3% |
| Embodiment 8 | 70.2% | 74.8% |
| Embodiment 9 | 76.5% | 79.3% |
| Comparative example 1 | 44.7% | 45.9% |
| Comparative example 2 | 41% | 43.9% |
| Comparative example 3 | 39.8% | 43.4% |
| Comparative example 4 | 37.3% | 32.9% |
As can be seen from Table 1, compared with comparative example, of the invention preferably removes except formaldehyde composition has formaldehyde
Rate, while having the effect of more thoroughly enduringly removing formaldehyde at 24 hours later.Compared with embodiment 8,9, the packet of embodiment 1
The formaldehyde composition that removes of combination containing adipic dihydrazide and ethylene urea has better removal rate for formaldehyde, while small 24
When after have the effect of more thoroughly enduringly remove formaldehyde.
The above, above embodiments are only described in detail to the technical solution to the application, but the above implementation
The method that the explanation of example is merely used to help understand the embodiment of the present invention, should not be construed as the limitation to the embodiment of the present invention.This
Any changes or substitutions that can be easily thought of by those skilled in the art, should all cover the embodiment of the present invention protection scope it
It is interior.
Claims (10)
1. one kind removes formaldehyde composition, which is characterized in that including following components by weight:
The formaldehyde catching agent be selected from one of ethylene urea, hydrazide kind compound, ammonium hydroxide, glycine, ammonium chloride, chitosan or
More than one.
2. according to claim 1 remove formaldehyde composition, which is characterized in that the hydrazide kind compound is selected from adipic acid two
Hydrazides, acethydrazide or ethylene acid hydrazide.
3. it is according to claim 1 remove formaldehyde composition, which is characterized in that the formaldehyde catching agent be ethylene urea and oneself two
Acid dihydrazide.
4. according to claim 3 remove formaldehyde composition, which is characterized in that the ethylene urea and the adipic dihydrazide
Weight ratio be 1:3~3:1.
5. according to claim 1 remove formaldehyde composition, which is characterized in that the adhesive agent is selected from polyvinyl alcohol, poly- second
One of glycol, acrylic resin, laruyl alcohol or more than one.
6. according to claim 1 remove formaldehyde composition, which is characterized in that the stabilizer is selected from anhydrous magnesium chloride, chlorine
Change one or both of sodium.
7. according to claim 1 remove formaldehyde composition, which is characterized in that the cosolvent is in ethyl alcohol, methanol
One or two, the solvent are selected from deionized water or distilled water.
8. it is according to claim 1 remove formaldehyde composition, which is characterized in that the formaldehyde catching agent be ethylene urea and oneself two
Acid dihydrazide, the adhesive agent are polyvinyl alcohol, and the stabilizer is anhydrous magnesium chloride, and the cosolvent is ethyl alcohol, described molten
Agent is deionized water.
9. the preparation method according to any one of claims 1 to 8 except formaldehyde composition, which comprises the following steps:
Adhesive agent and cosolvent are mixed to get mixed solution, then again by the mixed solution and formaldehyde catching agent, stabilizer,
Solvent mixing obtains described except formaldehyde composition.
10. a kind of method for removing formaldehyde, which is characterized in that remove formaldehyde including the use of as described in any one of claims 1 to 8
Composition removes the step of formaldehyde.
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Cited By (13)
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| CN110314506A (en) * | 2019-08-06 | 2019-10-11 | 山东鸿鹄佳业环保科技有限公司 | A kind of space deodorant and preparation method thereof |
| CN110403541A (en) * | 2019-06-28 | 2019-11-05 | 浙江维度环保科技有限公司 | A kind for the treatment of air indoor taste removal construction technology |
| CN110548500A (en) * | 2019-09-05 | 2019-12-10 | 刘美端 | Photocatalyst, preparation method thereof and air purifying agent |
| CN110801720A (en) * | 2019-11-15 | 2020-02-18 | 王再华 | Green and low-toxicity formaldehyde scavenger and preparation method thereof |
| CN111440467A (en) * | 2020-05-27 | 2020-07-24 | 湖南开美新材料科技有限公司 | Latex wall paint additive with formaldehyde removing effect and preparation method thereof |
| CN112295362A (en) * | 2020-08-05 | 2021-02-02 | 汪昔奇 | Purifying agent for removing formaldehyde, benzene, toluene, xylene, ammonia, TVOC and radon |
| CN112680296A (en) * | 2020-12-28 | 2021-04-20 | 广东月福汽车用品有限公司 | Compartment detergent and preparation method thereof |
| CN113617203A (en) * | 2021-08-02 | 2021-11-09 | 柳州佳饰家装饰材料有限公司 | Formaldehyde removal auxiliary agent and preparation method thereof |
| CN114100342A (en) * | 2020-08-31 | 2022-03-01 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method thereof |
| CN114100341A (en) * | 2020-08-31 | 2022-03-01 | 宁波方太厨具有限公司 | Formaldehyde eliminating agent and preparation method thereof |
| CN114307614A (en) * | 2020-09-30 | 2022-04-12 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method thereof |
| CN115041003A (en) * | 2022-06-28 | 2022-09-13 | 佛山市三水日邦化工有限公司 | High-efficiency aldehyde-removing spray and preparation method thereof |
| CN115382375A (en) * | 2022-08-25 | 2022-11-25 | 广东绿净界新材料科技有限公司 | Formaldehyde removal composition and method for targeted removal of formaldehyde by using same |
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| CN110403541A (en) * | 2019-06-28 | 2019-11-05 | 浙江维度环保科技有限公司 | A kind for the treatment of air indoor taste removal construction technology |
| CN110314506A (en) * | 2019-08-06 | 2019-10-11 | 山东鸿鹄佳业环保科技有限公司 | A kind of space deodorant and preparation method thereof |
| CN110548500A (en) * | 2019-09-05 | 2019-12-10 | 刘美端 | Photocatalyst, preparation method thereof and air purifying agent |
| CN110801720A (en) * | 2019-11-15 | 2020-02-18 | 王再华 | Green and low-toxicity formaldehyde scavenger and preparation method thereof |
| CN111440467A (en) * | 2020-05-27 | 2020-07-24 | 湖南开美新材料科技有限公司 | Latex wall paint additive with formaldehyde removing effect and preparation method thereof |
| CN112295362A (en) * | 2020-08-05 | 2021-02-02 | 汪昔奇 | Purifying agent for removing formaldehyde, benzene, toluene, xylene, ammonia, TVOC and radon |
| CN114100341A (en) * | 2020-08-31 | 2022-03-01 | 宁波方太厨具有限公司 | Formaldehyde eliminating agent and preparation method thereof |
| CN114100342A (en) * | 2020-08-31 | 2022-03-01 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method thereof |
| CN114307614A (en) * | 2020-09-30 | 2022-04-12 | 宁波方太厨具有限公司 | Formaldehyde removal material and preparation method thereof |
| CN112680296A (en) * | 2020-12-28 | 2021-04-20 | 广东月福汽车用品有限公司 | Compartment detergent and preparation method thereof |
| CN113617203A (en) * | 2021-08-02 | 2021-11-09 | 柳州佳饰家装饰材料有限公司 | Formaldehyde removal auxiliary agent and preparation method thereof |
| CN115041003A (en) * | 2022-06-28 | 2022-09-13 | 佛山市三水日邦化工有限公司 | High-efficiency aldehyde-removing spray and preparation method thereof |
| CN115041003B (en) * | 2022-06-28 | 2023-11-21 | 佛山市三水日邦化工有限公司 | Efficient formaldehyde removal spray and preparation method thereof |
| CN115382375A (en) * | 2022-08-25 | 2022-11-25 | 广东绿净界新材料科技有限公司 | Formaldehyde removal composition and method for targeted removal of formaldehyde by using same |
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