CN108299956A - One kind is except aldehyde ordor removing sealer and preparation method thereof - Google Patents
One kind is except aldehyde ordor removing sealer and preparation method thereof Download PDFInfo
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- CN108299956A CN108299956A CN201710785340.3A CN201710785340A CN108299956A CN 108299956 A CN108299956 A CN 108299956A CN 201710785340 A CN201710785340 A CN 201710785340A CN 108299956 A CN108299956 A CN 108299956A
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- ordor removing
- sealer
- aldehyde ordor
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention provides one kind except aldehyde ordor removing sealer and preparation method thereof.The present invention's removes aldehyde ordor removing sealer, by mass percentage, including following substance：4~20% film forming agent, 0.1~5% nanometer anion powder, 0.5~5% benzene homologues catabolic enzyme, 0.5~5% ester catabolic enzyme, 0.5~5% Formaldehyde decomposition enzyme, 0.03~0.05% activator, 0.1~2% stabilization moisturizer and the water of surplus, wherein, the film forming agent is water soluble chitosan.The present invention prepares raw material and proportioning by rationally control, and what is obtained removes aldehyde ordor removing sealer safety and environmental protection, and to the good purification of indoor pollution air, clean-up effect is lasting.Preparation process of the present invention is simple, obtained except aldehyde ordor removing sealer can be brushed directly, be sprayed at the base materials such as furniture, wallpaper, abatvoix, carpet, floor, adsorbs and decomposes the polluted gas such as the formaldehyde in air, TVOC.
Description
Technical field
The invention belongs to technical field of air purification, are related to a kind of except aldehyde ordor removing sealer and preparation method thereof.
Background technology
In recent years, indoor pollution has become the important threat lived to people's house and health, Environment Protect in China association
Related data statistics shows：Once luxurious finishing was carried out in 90% leukemia children man, annual 2100000 children die of luxurious coating
It repaiies；80% house decoration formaldehyde；70% pregnant woman miscarriage is related with environmental pollution；Annual China draws because of indoor environmental pollution
The death toll risen is up to 11.1 ten thousand people, and average daily 304 people is dead.Indoor environmental pollution, which has become, seriously affects modern
One of the killer of class health.Indoors in fitment process, all more or less contain first in plank, glue, wall covering, furniture
The harmful substances such as aldehyde, benzene homologues several years after finishing even all can be distributed gradually in many decades, to influence health.
In order to solve the pollution problem of room air, currently, including in the market having using more air clearing product
The water paint of air-cleaning function, such as light-catalyst pigment for internal-wall, the air purification paint comprising nano-negative ion, environmentally friendly latex
Paint etc.；Further include the air clearing products such as air filter, activated carbon.But the dirt of air clearing product in the prior art
Dye object clean-up effect is to be improved, and clean-up effect persistence is bad.
CN105969007A discloses a kind of acrylic latex coating and preparation method thereof with air-cleaning function.The breast
Shellac varnish includes the component of following mass parts：45-55 parts of acrylic emulsion, 4-6 parts of silica flour, 1-2 parts of phenoxy resin, bletilla striata powder 2-
4 parts, 1-3 parts of cornstarch, 0.25-0.75 parts of glutaraldehyde, 2-4 parts of air purification particle, 0.04-0.06 parts of antifoaming agent, dispersion
0.04-0.06 parts of agent, 30-40 parts of water.The acrylic latex coating of the invention has preferable film forming and resistance to soiling, adsorption capacity
Greatly, but its raw material propylene yogurt liquid not environmentally, the effect and persistence of air purification are to be improved.
CN1803949A discloses a kind of building coating material and preparation method thereof with air purification function, the coating
Material is mainly made of photochemical catalyst, film forming matter, color stuffing, auxiliary agent and water；Various substances and its weight percent content are such as
Under：Photochemical catalyst TiO2-XNX1~3%, film forming matter polyacrylate dispersion 15~25%, dispersants ammonium polyacrylate salt
0.8~2.0%, wetting agent 0.2~0.5%, 0.1~0.2% antifoaming agent 0.6~0.8% of hydroxyethyl cellulose, pigment titanium white
7~9%, filler powdered whiting 25~30%, kaolin 8~10%, talcum powder 4~5%, coalescents 0.8~1.0%,
Propylene glycol 1.8~2.0%, thickener 0.5~1.0%, aqueous solvent 20~30%, the building coating material of the invention coated on
After material surface film forming, the polluter in the surrounding air that can effectively degrade is organic to indoor formaldehyde-phenol etc. small point harmful
Son is degraded, but film forming matter polyacrylate dispersion is not environmentally in its constitutive material, the effect of air purification and purification
Persistence it is to be improved.
CN104874286A discloses a kind of immobilised enzymes and removes aldehyde environmental protection coating agent, formula include complex enzyme, chitin,
Fixation support material, water, activator can be coated on timber, plank, leather, plastics, glass, walling, non-woven fabrics or papery material
Material adsorbs simultaneously these aldehydes persistent organic pollutants of degradation of formaldehyde, benzene,toluene,xylene, PM2.5, ammonia and TVOC, reaches
Purify the purpose of air.But the long-term effect of the complex enzyme of the invention is to be improved.
Invention content
In view of the deficiencies of the prior art, one of the objects of the present invention is to provide one kind removing aldehyde ordor removing sealer, safety collar
It protects, can effectively adsorb and decompose the pollutants such as the formaldehyde in air and TVOC, clean-up effect is more longlasting.
For this purpose, the present invention uses following technical scheme：
One kind removing aldehyde ordor removing sealer, by mass percentage, including following substance：
Wherein, the film forming agent is water soluble chitosan.
The present invention except aldehyde ordor removing sealer raw material and proportioning, can be specific as follows：
The mass percentage of water soluble chitosan is 4~20%, such as the mass percentage of water soluble chitosan is
4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%,
20%, preferably 5~8%；
The mass percentage of nanometer anion powder is 0.1~5%, such as the mass percentage of nanometer anion powder is
0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, 2.5%,
3%, 3.5%, 4%, 4.5%, 5%, preferably 1~1.5%；
The mass percentage of benzene homologues catabolic enzyme is 0.5~5%, such as the mass percentage of benzene homologues catabolic enzyme is
0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, it is excellent
It is selected as 2~3%；
The mass percentage of ester catabolic enzyme be 0.5~5%, such as ester catabolic enzyme mass percentage be 0.5%,
0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, preferably 1~
2%；
The mass percentage of Formaldehyde decomposition enzyme is 0.5~5%, such as the mass percentage of Formaldehyde decomposition enzyme is
0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, it is excellent
It is selected as 1~2%；
The mass percentage of activator be 0.03~0.05%, such as activator mass percentage be 0.03%,
0.035%, 0.04%, 0.045%, 0.05%；
The mass percentage for stablizing moisturizer is 0.1~2%, such as the mass percentage of stable moisturizer is
0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, preferably 0.8
~1%；
Surplus is water.
Preferably, described to remove aldehyde ordor removing sealer, by mass percentage, including following substance：
The present invention has a large amount of amino can be with formaldehyde using water soluble chitosan as film forming agent in the structure of water soluble chitosan
Reaction, can effectively remove the formaldehyde in pollution air, and compared with the existing technology in common esters of acrylic acid film forming agent, have
Safe and environment-friendly advantage.Water soluble chitosan is a kind of derivative of chitosan, under alkaline condition generally by monoxone
And chitosan reaction, by-CH2COOH is connected to the-NH of chitosan2Or on-OH, carboxymethyl chitosan is water-soluble very well.Chitosan
Water solubility and the deacetylation and the molecular weight of chitosan of chitosan have relationship.In general, deacetylation is higher, water-soluble
Property is better；Molecular weight becomes apparent water-soluble influence, and the chitosan of low molecular weight is water-soluble very well.The shell of high molecular weight is poly-
Sugared dissolubility is bad, and acid condition is needed to dissolve.Preferably, the molecular weight of the water soluble chitosan of the invention is 20000
~40000, such as the molecular weight of the water soluble chitosan is 20000,25000,30000,35000,40000.
The water soluble chitosan is carboxymethyl chitosan and/or chitosan quaternary ammonium salt.
Nanometer anion powder is also known as tourmaline anion powder, and ingredient is aluminium, sodium, iron, the lithium ring characterized by boracic
The silicate material of shape structure has very strong oxidation also because the negative oxygen ion generated in anion powder has higher activity
Original work are used, and the thorns such as benzene, formaldehyde, ketone, the ammonia that the art work used in fitment process indoors evaporates can be effectively eliminated
Property gas is swashed, to be effectively improved pollution air.
The grain size of the nanometer anion powder is 1500~4000 mesh, such as the grain size of the nanometer anion powder is
1500、2000、2500、3000、3500、4000。
The mixture of the one kind or at least two of the ester catabolic enzyme in pectase, carboxy-lesterase and lipase.Institute
State the mixture that the typical but unrestricted embodiment of mixture is two kinds of ester catabolic enzymes, for example, the ester catabolic enzyme be pectase and
The mixture of the mixture of the mixture of carboxy-lesterase, carboxy-lesterase and lipase, pectase and lipase；The mixture is also
It can be the mixture of three kinds of ester catabolic enzymes, such as the mixture that the ester catabolic enzyme is pectase, carboxy-lesterase and lipase.
The Formaldehyde decomposition enzyme is formaldehyde dehydrogenase.
The activator is glutathione.
The stable moisturizer is tween and/or glycerine.
Water soluble chitosan and nanometer anion powder and benzene homologues catabolic enzyme, ester catabolic enzyme, Formaldehyde decomposition in the present invention
Act synergistically between the biological enzyme such as enzyme, it is adsorbable and decompose pollution air in formaldehyde, TVOC (Total Volatile
The abbreviation of Organic Compounds, volatile organic matter) etc. polluted gas, activator and stablize moisturizer addition increase
The long-term effect of enzyme.
The second object of the present invention is to provide a kind of preparation method except aldehyde ordor removing sealer, and the preparation method includes
Following steps：By mass percentage, 4~20% water soluble chitosan is soluble in water, 0.1~5% is added into solution
Nanometer anion powder stirring and dissolving, add 0.5~5% benzene homologues catabolic enzyme, 0.5~5% ester catabolic enzyme, 0.5~
5% Formaldehyde decomposition enzyme, 0.03~0.05% activator and 0.1~2% stabilization moisturizer and the water of surplus continue to stir,
It is made described and removes aldehyde ordor removing sealer.
Compared with prior art, beneficial effects of the present invention are：
(1) present invention prepares raw material and proportioning by rationally control, and what is obtained removes aldehyde ordor removing sealer to indoor pollution sky
The good purification of gas, the removal rate of the polluted gas such as PARA FORMALDEHYDE PRILLS(91,95), TVOC is up to 96% or more after use for 24 hours；Clean-up effect is lasting,
The removal rate of the polluted gas such as PARA FORMALDEHYDE PRILLS(91,95), TVOC is still up to 93% or more after being used 28 days except aldehyde ordor removing sealer.
(2) preparing for the present invention does not contain esters of acrylic acid, safety and environmental protection in raw material.
(3) of the invention except the preparation process of aldehyde ordor removing sealer is simple, the aldehyde ordor removing sealer obtained that removes can be brushed directly
It applies, be sprayed at the base materials such as furniture, wallpaper, abatvoix, carpet, floor, adsorb and decompose the contamination gases such as the formaldehyde in air, TVOC
Body.
Specific implementation mode
The technical solution further illustrated the present invention below by specific implementation mode.
Unless specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this field
It obtains.
Embodiment 1
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 4%
Carboxymethyl chitosan is soluble in water, and the grain size that 0.1% is added into solution is the nanometer anion powder stirring and dissolving of 1500 mesh, then
Be added 0.5% benzene homologues catabolic enzyme, 0.5% pectase, the mixture of carboxy-lesterase, 1% formaldehyde dehydrogenase, 0.03%
Glutathione and 0.1% tween and the water of surplus continue to stir, be made and remove aldehyde ordor removing sealer.
Embodiment 2
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 5%
Chitosan quaternary ammonium salt is soluble in water, and the grain size that 0.6% is added into solution is the nanometer anion powder stirring and dissolving of 3000 mesh, then
1% benzene homologues catabolic enzyme, 1% carboxy-lesterase, 0.8% formaldehyde dehydrogenase, 0.04% glutathione and 0.5% is added
Glycerine and the water of surplus continue to stir, be made and remove aldehyde ordor removing sealer.
Embodiment 3
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 8%
Carboxymethyl chitosan is soluble in water, and the grain size that 1% is added into solution is the nanometer anion powder stirring and dissolving of 3500 mesh, then adds
Enter the mixture of 2% benzene homologues catabolic enzyme, 1.5% carboxy-lesterase and lipase, 1.3% formaldehyde dehydrogenase, 0.05%
Glutathione and 0.8% glycerine and the water of surplus continue to stir, be made and remove aldehyde ordor removing sealer.
Embodiment 4
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 10%
Carboxymethyl chitosan is soluble in water, and the grain size that 1.5% is added into solution is the nanometer anion powder stirring and dissolving of 4000 mesh, then
Be added 3% benzene homologues catabolic enzyme, 2% pectase, the mixture of carboxy-lesterase and lipase, 1.8% formaldehyde dehydrogenase,
0.04% glutathione and 1% glycerine and the water of surplus continue to stir, and are made and remove aldehyde ordor removing sealer.
Embodiment 5
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 15%
Carboxymethyl chitosan is soluble in water, and the grain size that 3% is added into solution is the nanometer anion powder stirring and dissolving of 3000 mesh, then adds
Enter the mixture of 4% benzene homologues catabolic enzyme, 4% pectase, carboxy-lesterase and lipase, 3% formaldehyde dehydrogenase,
0.03% glutathione and 1.5% tween and the water of surplus continue to stir, and are made and remove aldehyde ordor removing sealer.
Embodiment 6
The present embodiment by adjusting raw material composition and ratio, as follows：By mass percentage, by 20%
The mixture of carboxymethyl chitosan and chitosan quaternary ammonium salt is soluble in water, and the grain size that 5% is added into solution is that 3000 purposes are received
Rice negative ion powder stirring and dissolving, add 3% benzene homologues catabolic enzyme, the mixture of 5% lipase, 2% formaldehyde dehydrogenation
Enzyme, 0.02% glutathione and 2% glycerine and the water of surplus continue to stir, and are made and remove aldehyde ordor removing sealer.
Comparative example 1
This comparative example by adjusting raw material composition and ratio, as follows：By mass percentage, by 8%
Carboxymethyl chitosan is soluble in water, and 2% benzene homologues catabolic enzyme, 1.5% carboxy-lesterase and lipase are added into solution
Mixture, 1.3% formaldehyde dehydrogenase, 0.05% glutathione and 0.8% glycerine and the water of surplus continue to stir, and are made
Except aldehyde ordor removing sealer.
Comparative example 2
This comparative example by adjusting raw material composition and ratio, as follows：By mass percentage, by 8%
Carboxymethyl chitosan is soluble in water, and the grain size that 1% is added into solution is the nanometer anion powder stirring and dissolving of 3500 mesh, then adds
Enter 0.05% glutathione and 0.8% glycerine and the water of surplus continues to stir, is made and removes aldehyde ordor removing sealer.
Comparative example 3
This comparative example by adjusting raw material composition and ratio, as follows：By mass percentage, by 8%
Carboxymethyl chitosan is soluble in water, and the grain size that 1% is added into solution is the nanometer anion powder stirring and dissolving of 3500 mesh, then adds
Enter the mixture of 2% benzene homologues catabolic enzyme, 1.5% carboxy-lesterase and lipase, 1.3% formaldehyde dehydrogenase, 0.8%
Glycerine and the water of surplus continue to stir, and are made and remove aldehyde ordor removing sealer.
Comparative example 4
This comparative example by adjusting raw material composition and ratio, as follows：By mass percentage, by 8%
Carboxymethyl chitosan is soluble in water, and the grain size that 1% is added into solution is the nanometer anion powder stirring and dissolving of 3500 mesh, then adds
Enter the mixture of 2% benzene homologues catabolic enzyme, 1.5% carboxy-lesterase and lipase, 1.3% formaldehyde dehydrogenase, 0.05%
Glutathione and the water of surplus continue to stir, be made and remove aldehyde ordor removing sealer.
With reference to JCT-1074-2008《Function of purifying indoor air coating material purifying property》Standard to the present invention reality
It is obtained except aldehyde ordor removing sealer is tested for the property to apply a 1-6 and comparative example 1-4, spray for 24 hours with 28 days after respectively to gas
Component content is measured, and the results are shown in Table 1 for the removal rate of each polluted gas ingredient.
Table 1
The present invention prepares raw material and proportioning by rationally control, obtain except aldehyde ordor removing sealer is to indoor pollution air
Good purification, the removal rate of the polluted gas such as PARA FORMALDEHYDE PRILLS(91,95), TVOC is up to 96% or more after use for 24 hours；Clean-up effect is lasting, removes
Aldehyde ordor removing sealer is using the removal rate of the polluted gas such as PARA FORMALDEHYDE PRILLS(91,95), TVOC after 28 days still up to 93% or more.The present invention's
It is obtained to remove aldehyde ordor removing sealer safety and environmental protection except the preparation process of aldehyde ordor removing sealer is simple, it can directly brush, be sprayed at house
The base materials such as tool, wallpaper, abatvoix, carpet, floor adsorb and decompose the polluted gas such as the formaldehyde in air, TVOC.
Applicant states that the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological processes, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, the selection etc. of concrete mode all fall within the present invention's
Within protection domain and the open scope.
Claims (10)
1. one kind removing aldehyde ordor removing sealer, which is characterized in that by mass percentage, including following substance：
Wherein, the film forming agent is water soluble chitosan.
2. according to claim 1 remove aldehyde ordor removing sealer, which is characterized in that by mass percentage, including following object
Matter：
3. according to claim 1 or 2 remove aldehyde ordor removing sealer, which is characterized in that the molecule of the water soluble chitosan
Amount is 20000~40000.
4. removing aldehyde ordor removing sealer according to one of claim 1-3, which is characterized in that the water soluble chitosan is carboxylic
Methyl chitosan and/or chitosan quaternary ammonium salt.
5. removing aldehyde ordor removing sealer according to one of claim 1-4, which is characterized in that the grain of the nanometer anion powder
Diameter is 1500~4000 mesh.
6. removing aldehyde ordor removing sealer according to one of claim 1-5, which is characterized in that the ester catabolic enzyme is selected from pectin
One kind in enzyme, carboxy-lesterase and lipase or at least two mixture.
7. removing aldehyde ordor removing sealer according to one of claim 1-6, which is characterized in that the Formaldehyde decomposition enzyme is formaldehyde
Dehydrogenase.
8. removing aldehyde ordor removing sealer according to one of claim 1-7, which is characterized in that the activator is gluathione
Peptide.
9. removing aldehyde ordor removing sealer according to one of claim 1-8, which is characterized in that the stable moisturizer is tween
And/or glycerine.
10. it is a kind of as described in one of claim 1-9 except aldehyde ordor removing sealer preparation method, which is characterized in that the system
Preparation Method includes the following steps：By mass percentage, 4~20% water soluble chitosan is soluble in water, add into solution
The nanometer anion powder stirring and dissolving for entering 0.1~5% adds 0.5~5% benzene homologues catabolic enzyme, 0.5~5% ester point
Solve enzyme, 0.5~5% Formaldehyde decomposition enzyme, 0.03~0.05% activator and 0.1~2% stabilization moisturizer and surplus
Water continues to stir, and is made described and removes aldehyde ordor removing sealer.
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| CN201710785340.3A CN108299956B (en) | 2017-09-04 | 2017-09-04 | Formaldehyde-removing odor-removing sealing agent and preparation method thereof |
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| CN109627930A (en) * | 2018-12-04 | 2019-04-16 | 大连宜安科技有限公司 | It is a kind of aqueous except aldehyde sealer and preparation method thereof |
| CN109772135A (en) * | 2019-01-17 | 2019-05-21 | 北京中智和科技有限公司 | Air purifying paint preparation method |
| CN109908748A (en) * | 2019-03-06 | 2019-06-21 | 上海勇意环境工程有限公司 | A kind of indoor complicated pollutant clean medicament and its application |
| CN110227334A (en) * | 2019-06-21 | 2019-09-13 | 广州市纳能环保技术开发有限公司 | A kind of anion air purifying solution and preparation method thereof |
| CN110354665A (en) * | 2019-06-19 | 2019-10-22 | 广州市鑫竹环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN110540777A (en) * | 2019-09-26 | 2019-12-06 | 汪远昊 | Shrimp shell and crab shell chitosan formaldehyde sealant and preparation method thereof |
| CN110591455A (en) * | 2019-09-26 | 2019-12-20 | 汪远昊 | Shrimp shell and crab shell chitosan formaldehyde sealant and preparation method thereof |
| CN113351007A (en) * | 2021-06-10 | 2021-09-07 | 河北福赛生物科技发展有限公司 | Lasting biological enzyme formaldehyde scavenger |
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| CN109772135A (en) * | 2019-01-17 | 2019-05-21 | 北京中智和科技有限公司 | Air purifying paint preparation method |
| CN109908748A (en) * | 2019-03-06 | 2019-06-21 | 上海勇意环境工程有限公司 | A kind of indoor complicated pollutant clean medicament and its application |
| CN110354665A (en) * | 2019-06-19 | 2019-10-22 | 广州市鑫竹环保科技有限公司 | A kind of formaldehyde scavenger and preparation method thereof |
| CN110227334A (en) * | 2019-06-21 | 2019-09-13 | 广州市纳能环保技术开发有限公司 | A kind of anion air purifying solution and preparation method thereof |
| CN110540777A (en) * | 2019-09-26 | 2019-12-06 | 汪远昊 | Shrimp shell and crab shell chitosan formaldehyde sealant and preparation method thereof |
| CN110591455A (en) * | 2019-09-26 | 2019-12-20 | 汪远昊 | Shrimp shell and crab shell chitosan formaldehyde sealant and preparation method thereof |
| CN113351007A (en) * | 2021-06-10 | 2021-09-07 | 河北福赛生物科技发展有限公司 | Lasting biological enzyme formaldehyde scavenger |
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