CN102828447B - Negative-ion anti-formaldehyde ecological wallpaper - Google Patents
Negative-ion anti-formaldehyde ecological wallpaper Download PDFInfo
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- CN102828447B CN102828447B CN201110157945.0A CN201110157945A CN102828447B CN 102828447 B CN102828447 B CN 102828447B CN 201110157945 A CN201110157945 A CN 201110157945A CN 102828447 B CN102828447 B CN 102828447B
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Abstract
The invention provides a kind of Negative-ion anti-formaldehyde ecological wallpaper, including: wallpaper basic unit；Being compound in the top finishing layer of described wallpaper substrate surface, described top finishing layer includes coating, anion powder and formaldehyde remover.In the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides, formaldehyde remover has absorption, the fixing and effect of degradation of formaldehyde, has good removal effect to the formaldehyde in surrounding；And anion powder not only has lasting negative ion generating function, far-infrared transmitting function, good bactericidal function, and the anion of its release has Strong oxdiative reducing power, can be by organic gas, decompose such as formaldehyde etc., thus improve the ability that formaldehyde remover continues, removes formaldehyde for a long time.Experiment shows, the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides for a long time, persistently, effectively can remove the formaldehyde in environment, purifies the air of a room, keeps health.
Description
Technical field
The invention belongs to building material technical field, particularly relate to a kind of Negative-ion anti-formaldehyde ecological wallpaper.
Background technology
Wallpaper, also known as wallpaper, is a kind of speciality paper for decorative wall, has attractive in appearance, elegant, convenient, practical etc. excellent
Point, is widely used in human settlement.
Wallpaper itself is the ornament materials of environmental protection, but other building materials in human settlement, such as various particieboards, fiber
The artificial board such as plate, plywood or metope, the decoration paver etc. on ground, owing to employing Lauxite, tripolycyanamide
The binding agent with formaldehyde as raw material such as formaldehyde resin and phenolic resin and continue to discharge free formaldehyde in surrounding, cause room
Interior air pollution, is detrimental to health.
In order to eliminate the pollution of indoor formaldehyde, prior art has been disclosed for multiple formaldehyde scavenger, by brushing, coating
Or the method such as spraying is coated in plate surface and reaches to remove the purpose of formaldehyde.Chinese patent such as Application No. 200910138500.0
Document discloses a kind of strong osmotic formaldehyde scavenger, by 2～the carbamide of acyl hydrazine compound, 5～10%, 5～15% of 5%
The pH value regulator of the JFC of inorganic amine compounds, 0.1～0.5%, 0～1.0% and 70～the water composition of 85%, this first
Aldehyde scavenger can be used for removing the formaldehyde in various sheet material and goods thereof.But, presently disclosed formaldehyde scavenger is the strongest
Reductant-oxidant, is mainly used in the removing of formaldehyde in sheet material, is applied directly to destroy wall when wallpaper surface carries out formaldehyde removing
Paper attractive in appearance.
The Chinese patent literature of Application No. 20101051093.6 discloses a kind of anti-formaldehyde wall paper, mainly to
Adding 40～80g nano titanium oxides/filter aid-2 composite in 1000g wall paper, this composite can not only be fixed also
Absorb the formaldehyde in wall paper material, and the formaldehyde in air can be absorbed, reach to eliminate and reduce the purpose of formaldehyde harm.
But, nano titanium oxide/filter aid-2 composite formaldehyde adsorption limited in one's ability, it is difficult to after its absorption is saturated continue to play
The effect of fixing formaldehyde, so that this wallpaper is difficult to play for a long time except formaldehyde effect.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of Negative-ion anti-formaldehyde ecological wallpaper, this
The Negative-ion anti-formaldehyde ecological wallpaper PARA FORMALDEHYDE PRILLS(91,95) of bright offer has higher removal efficiency, and can for a long time, persistently reduce environment
The content of middle formaldehyde.
The invention provides a kind of Negative-ion anti-formaldehyde ecological wallpaper, including:
Wallpaper basic unit；
Be compound in the top finishing layer of described wallpaper substrate surface, described top finishing layer include coating, anion powder and
Formaldehyde remover.
Preferably, in described top finishing layer, described anion powder accounts for the mass percent of described top finishing layer and is
0.5%～15%.
Preferably, the granularity of described anion powder is less than 15 μm.
Preferably, in described top finishing layer, described formaldehyde remover accounts for the mass percent of described top finishing layer and is
0.5%～15%.
Preferably, described formaldehyde remover is modified molecular screen.
Preferably, the granularity of described formaldehyde remover is less than 15 μm.
Preferably, between described wallpaper basic unit and described top finishing layer, it is additionally provided with polyvinyl chloride layer.
Preferably, described wallpaper basic unit is hanging raw stock, pure paper, non-woven paper, non-woven fabrics, pure cotton cloth, chemical fabric or blending
Cloth.
Compared with prior art, the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides includes wallpaper basic unit and is compound in institute
Stating the top finishing layer of wallpaper substrate surface, described top finishing layer, in addition to including the aqueous commonly used or oil paint, also wraps
Include anion powder and formaldehyde remover.In the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides, formaldehyde remover has suction
The effect of also degradation of formaldehyde attached, fixing, has good removal effect to the formaldehyde in surrounding；And anion powder not only has
There are lasting negative ion generating function, far-infrared transmitting function, a good bactericidal function, and anion tool of its release
There is Strong oxdiative reducing power, it is possible to by organic gas, decompose such as formaldehyde etc., thus improve formaldehyde remover and continue, remove for a long time
The ability of formaldehyde.The Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides not only has efficient, lasting removal and uses first in environment
The ability of aldehyde, and can anion releasing and far infrared, there is the function of bactericidal, deodorization, taste removal, human body is had
Certain health-care effect.Experiment shows, the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides can for a long time, persistently, effectively
Remove the formaldehyde in environment, purify the air of a room, keep health.
Detailed description of the invention
The invention provides a kind of Negative-ion anti-formaldehyde ecological wallpaper, including:
Wallpaper basic unit；
Be compound in the top finishing layer of described wallpaper substrate surface, described top finishing layer include coating, anion powder and
Formaldehyde remover.
The Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides includes wallpaper basic unit and top finishing layer, and wherein, surface is coated with
Decorations layer with the addition of anion powder and formaldehyde remover, it is possible to efficient, lasting removal formaldehyde, and there is anion releasing with remote
Infrared ray, the function of bactericidal.
In the present invention, described Negative-ion anti-formaldehyde ecological wallpaper includes that wallpaper basic unit, described wallpaper basic unit can be wall
Paper body paper, pure paper, non-woven paper, non-woven fabrics, pure cotton cloth, chemical fabric or blended cloth etc. well known to a person skilled in the art wallpaper base
Material.
Described Negative-ion anti-formaldehyde ecological wallpaper also includes that top finishing layer, described top finishing layer are compounded in described wallpaper
The surface of basic unit, has protective bulkhead paper substrate, the effect such as make wallpaper more aesthetically pleasing, and has the merit such as bactericidal, deodorization taste removal
Energy.In the present invention, described top finishing layer includes coating, anion powder and formaldehyde remover.
Described coating is the main component of described top finishing layer, and it can include that film forming matter, auxiliary agent or pigment etc. are many
Planting composition, effect is to form film in wallpaper substrate surface, plays protective bulkhead paper substrate, increases wallpaper aesthetic property.The present invention couple
Described coating does not has any restriction, it is possible at the coating of wallpaper substrate surface film forming, such as mercerising coating, low luster coating, send out
Light light-storing paint, clear dope etc..Described coating can be water paint, it is also possible to for oil paint, those skilled in the art
The selection of coating can be carried out according to the main uses of wallpaper basic unit and wallpaper.
In described top finishing layer, also include that formaldehyde remover, described formaldehyde remover are also called formaldehyde catching agent, first
Aldehyde absorbent, formaldehyde scavenger etc., its role is to absorption, the free formaldehyde fixed and degrade in surrounding air, reduce wallpaper
Use the content of Formaldehyde in Environment.In the present invention, to account for the mass percent of described top finishing layer excellent for described formaldehyde remover
Elect 0.5%～15% as, more preferably 1%～10%, most preferably 3%～5%.The present invention kind to described formaldehyde remover
Class is not particularly limited, and can be the formaldehyde remover fixing formaldehyde with adsorption mechanism, such as molecular sieve, nano titanium oxide, work
Property charcoal etc. there is the adsorbent of loose structure, it is also possible to for removing the formaldehyde remover etc. of formaldehyde with redox mechanism.At this
In invention, the granularity of described formaldehyde remover is preferably less than 15 μm, more preferably less than 10 μm.
In the present invention, described formaldehyde remover is more preferably modified molecular screen, as chemical composition includes Al2O3、SiO2、
CaO、MgO、K2O and Fe2O3Deng molecular sieve；Described modified molecular screen preferably has the composite modified of macropore and microcellular structure
Molecular sieve, wherein, the average pore diameter of described macropore is preferably 80nm～120nm, more preferably 90nm～110nm；Described micro-
The average pore diameter in hole is 0.28nm～0.35nm, more preferably 0.28nm～0.3nm.
The Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides also includes that anion powder, described anion powder can persistently be released
Putting anion, this anion has stronger redox ability, it is possible to is decomposed by organic gas such as formaldehyde etc., thus improves first
Aldehyde remover continues, the permanent ability removing formaldehyde.
In the present invention, described anion powder has lasting negative ion generating function, far-infrared transmitting function and good
Bactericidal function.Described anion powder can persistently produce anion, and this anion can adsorb sequestered gas in air
Body molecule, particle type gas molecule and ionic gas molecule, thus play the effect purifying air；This anion can also
Organic gas, such as formaldehyde etc. are decomposed into carbon dioxide and water, thus play the ability persistently removing formaldehyde.
In the present invention, described anion powder accounts for the mass percent of described top finishing layer and is preferably 0.5%～15%,
More preferably 1%～10%, most preferably 3%～5%.The granularity of described anion powder is preferably less than 15 μm, more preferably
Less than 10 μm.
In the present invention, between described wallpaper basic unit and described top finishing layer, it is also provided with polyvinyl chloride layer, can
Obtain foamed anion anti-formaldehyde ecological wallpaper or embossing Negative-ion anti-formaldehyde ecological wallpaper.
The Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides is prepared the most in accordance with the following methods:
Wallpaper base material is printed according to method well known to those skilled in the art；
By coating, anion powder and formaldehyde remover mix homogeneously, obtain top finishing layer mixture；
Described top finishing layer mixture is coated on the surface of described wallpaper base material, be dried, cooling after obtain anion
Anti-formaldehyde ecological wallpaper.
In the present invention, intaglio printing, screen painting, flexographic printing or other printing coating methods can be passed through by described
Top finishing layer mixture is coated described wallpaper base material surface and is formed top finishing layer.
When described Negative-ion anti-formaldehyde ecological wallpaper includes polyvinyl chloride layer, can prepare in accordance with the following methods:
Wallpaper base material is combined by modes such as calendering, coatings with Welvic or polychloroethylene film；
Then the wallpaper base material being compounded with polyvinyl chloride layer is printed；
By coating, anion powder and formaldehyde remover mix homogeneously, obtain top finishing layer mixture；
Described top finishing layer mixture is coated on the surface of described polyvinyl chloride layer, is dried or foaming, embossing, cooling
After obtain Negative-ion anti-formaldehyde ecological wallpaper.
When described Negative-ion anti-formaldehyde ecological wallpaper includes polyvinyl chloride layer, described Negative-ion anti-formaldehyde ecological wallpaper can
Obtain, through foaming, the wallpaper that foams, after foaming, described wallpaper is carried out embossing process well known to those skilled in the art, after cooling
I.e. can get Negative-ion anti-formaldehyde ecological wallpaper.
After obtaining Negative-ion anti-formaldehyde ecological wallpaper, the ability that described Negative-ion anti-formaldehyde ecological wallpaper is removed formaldehyde is entered
Row test, result shows, the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides can not only effectively remove formaldehyde, and can
For a long time, formaldehyde is persistently removed.
In order to further illustrate the present invention, the Negative-ion anti-formaldehyde ecological wallpaper present invention provided below in conjunction with embodiment
It is described in detail.
In following embodiment, anion powder is purchased from Beijing Health-care Science & Technology Co., Ltd., and model is TZY01-05；
Molecular sieve formaldehyde remover is purchased from Beijing Health-care Science & Technology Co., Ltd., and model is TZY01-12；
Wallpaper base material is purchased from Ahlstrom company of Finland.
Embodiment 1
Anion powder and the molecular sieve formaldehyde remover of gross weight 1.0kg, wherein, anion is added in 10kg water paint
The mass ratio of powder and molecular sieve formaldehyde remover is 1: 1, obtains mixture after stirring, and water paint includes: 0.8kg isocyanide
Acid esters, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 1, the Negative-ion anti-formaldehyde ecological wallpaper that table 1 provides for the embodiment of the present invention 1 except aldehyde test knot
Really.
Table 1 embodiment of the present invention 1 provide Negative-ion anti-formaldehyde ecological wallpaper except aldehyde test result
As shown in Table 1, the embodiment of the present invention 1 provide Negative-ion anti-formaldehyde ecological wallpaper 168h after can except formaldehyde efficiency
Reach 94.8%, illustrate that the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides has the ability of removal formaldehyde efficient, lasting.
Embodiment 2
Adding gross weight in 10kg water paint is anion powder and the molecular sieve formaldehyde remover of 1.0kg, wherein, bear from
The mass ratio of sub-powder and molecular sieve formaldehyde remover is 2: 1, obtains mixture after stirring, and water paint includes: 0.8kg is different
Cyanate, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 2, the Negative-ion anti-formaldehyde ecological wallpaper that table 2 provides for the embodiment of the present invention 2 except aldehyde test knot
Really.
Table 2 embodiment of the present invention 2 provide Negative-ion anti-formaldehyde ecological wallpaper except aldehyde test result
As shown in Table 2, the embodiment of the present invention 2 provide Negative-ion anti-formaldehyde ecological wallpaper 168h after can except formaldehyde efficiency
Reach 95.2%, illustrate that the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides has the ability of removal formaldehyde efficient, lasting.
Embodiment 3
Adding gross weight in 10kg water paint is anion powder and the molecular sieve formaldehyde remover of 1.0kg, wherein, bear from
The mass ratio of sub-powder and molecular sieve formaldehyde remover is 1: 2, obtains mixture after stirring, and water paint includes: 0.8kg is different
Cyanate, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 3, the Negative-ion anti-formaldehyde ecological wallpaper that table 3 provides for the embodiment of the present invention 3 except aldehyde test knot
Really.
Table 3 embodiment of the present invention 3 provide Negative-ion anti-formaldehyde ecological wallpaper except aldehyde test result
As shown in Table 3, the embodiment of the present invention 3 provide Negative-ion anti-formaldehyde ecological wallpaper 168h after can except formaldehyde efficiency
Reach 94.1%, illustrate that the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides has the ability of removal formaldehyde efficient, lasting.
Embodiment 4
Adding gross weight in 10kg water paint is 1.0kg anion powder and molecular sieve formaldehyde remover, wherein, anion
The mass ratio of powder and molecular sieve formaldehyde remover is 2: 3, obtains mixture after stirring, and water paint includes: 0.8kg isocyanide
Acid esters, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 4, the Negative-ion anti-formaldehyde ecological wallpaper that table 4 provides for the embodiment of the present invention 4 except aldehyde test knot
Really.
Table 4 embodiment of the present invention 4 provide Negative-ion anti-formaldehyde ecological wallpaper except aldehyde test result
As shown in Table 4, the embodiment of the present invention 4 provide Negative-ion anti-formaldehyde ecological wallpaper 168h after can except formaldehyde efficiency
Reach 94.5%, illustrate that the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides has the ability of removal formaldehyde efficient, lasting.
Embodiment 5
Adding gross weight in 10kg water paint is anion powder and the molecular sieve formaldehyde remover of 1.0kg, wherein, bear from
The mass ratio of sub-powder and molecular sieve formaldehyde remover is 3: 2, obtains mixture after stirring, and water paint includes: 0.8kg is different
Cyanate, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 5, the Negative-ion anti-formaldehyde ecological wallpaper that table 5 provides for the embodiment of the present invention 5 except aldehyde test knot
Really.
Table 5 embodiment of the present invention 5 provide Negative-ion anti-formaldehyde ecological wallpaper except aldehyde test result
As shown in Table 5, the embodiment of the present invention 5 provide Negative-ion anti-formaldehyde ecological wallpaper 168h after can except formaldehyde efficiency
Reach 95.1%, illustrate that the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides has the ability of removal formaldehyde efficient, lasting.
Comparative example 1
Adding 1.0kg formaldehyde remover in 10kg water paint, obtain mixture after stirring, wherein, aqueous is coated with
Material includes: 0.8kg isocyanates, 2kg polyester diol, 0.5kg dihydromethyl propionic acid, 0.2kg ethylenediamine and 6.5kg water；
After wallpaper base material is printed, described mixture is coated in described wallpaper base material, after heat drying, cooling cut
Obtain wallpaper.
Described wallpaper is carried out except effect of formaldehyde by the test method provided according to building material industry standard JC/T 1074-2008
Test, result sees table 6, the wallpaper that table 6 provides for comparative example 1 of the present invention except aldehyde test result.
Table 6 comparative example of the present invention 1 provide wallpaper except aldehyde test result
As shown in Table 6, comparative example 1 of the present invention provide the wallpaper 168h being not added with anion powder after except formaldehyde efficiency
It is only 84.8%.
From above-described embodiment and comparative example, the Negative-ion anti-formaldehyde ecological wallpaper that the present invention provides can not only be effective
Remove formaldehyde, and there is preferable persistency.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a Negative-ion anti-formaldehyde ecological wallpaper, including:
Wallpaper basic unit；
Being compound in the top finishing layer of described wallpaper substrate surface, described top finishing layer includes coating, anion powder and formaldehyde
Remover；
Described formaldehyde remover is modified molecular screen, and the chemical composition of described modified molecular screen includes Al2O3、SiO2、CaO、MgO、
K2O and Fe2O3Molecular sieve；Described modified molecular screen is the composite modified molecular sieve with macropore and microcellular structure, described macropore
Average pore diameter be 80nm～120nm；The average pore diameter of described micropore is 0.28nm～0.35nm；Described formaldehyde remover
Granularity less than 15 μm.
Negative-ion anti-formaldehyde ecological wallpaper the most according to claim 1, it is characterised in that in described top finishing layer, institute
Stating anion powder and accounting for the mass percent of described top finishing layer is 0.5%～15%.
Negative-ion anti-formaldehyde ecological wallpaper the most according to claim 1, it is characterised in that the granularity of described anion powder is little
In 15 μm.
Negative-ion anti-formaldehyde ecological wallpaper the most according to claim 1, it is characterised in that in described top finishing layer, institute
Stating formaldehyde remover and accounting for the mass percent of described top finishing layer is 0.5%～15%.
Negative-ion anti-formaldehyde ecological wallpaper the most according to claim 1, it is characterised in that in described wallpaper basic unit and described
It is additionally provided with polyvinyl chloride layer between top finishing layer.
6. according to the Negative-ion anti-formaldehyde ecological wallpaper described in Claims 1 to 5 any one, it is characterised in that described wallpaper
Basic unit is hanging raw stock, pure paper, non-woven paper, non-woven fabrics, pure cotton cloth, chemical fabric or blended cloth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157945.0A CN102828447B (en) | 2011-06-13 | 2011-06-13 | Negative-ion anti-formaldehyde ecological wallpaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110157945.0A CN102828447B (en) | 2011-06-13 | 2011-06-13 | Negative-ion anti-formaldehyde ecological wallpaper |
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| CN102828447A CN102828447A (en) | 2012-12-19 |
| CN102828447B true CN102828447B (en) | 2016-12-28 |
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| CN201110157945.0A Expired - Fee Related CN102828447B (en) | 2011-06-13 | 2011-06-13 | Negative-ion anti-formaldehyde ecological wallpaper |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469987A (en) * | 2013-08-12 | 2013-12-25 | 苏州国昊壁纸有限公司 | Environment-friendly, formaldehyde-removing, mold-proof and anti-bacterial wallpaper |
| CN103612452B (en) * | 2013-11-22 | 2016-03-02 | 袁伟 | A kind of aqueous, environmental protective multi-functional coatings |
| CN106087550A (en) * | 2016-06-23 | 2016-11-09 | 福建省优雅环保壁纸有限公司 | A kind of Novel wall paper capable of releasing negative ion and preparation method thereof |
| CN106193483A (en) * | 2016-07-11 | 2016-12-07 | 赵昶然 | Oxygen source haze high-concentration anion health environment-friendly flame-retardant multifunctional wall cloth makes construction technology and product |
| CN106087462A (en) * | 2016-07-12 | 2016-11-09 | 福建省优雅环保壁纸有限公司 | A kind of environment-friendly novel pollution-free anion wallpaper and preparation method thereof |
| CN106677482A (en) * | 2016-12-27 | 2017-05-17 | 南京双全科技有限公司 | Laminate flooring capable of removing methanol through negative ions and manufacturing method thereof |
| CN113756528A (en) * | 2021-05-28 | 2021-12-07 | 江苏东宇墙纸有限公司 | Wallpaper capable of generating negative ions and preparation method thereof |
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| CN101187186A (en) * | 2006-11-15 | 2008-05-28 | 烟台渤海纸业有限公司 | Carbon-coating wall paper and its production method |
| CN101279237A (en) * | 2008-05-23 | 2008-10-08 | 张宏 | Purificant for adsorbing formaldehyde and method of preparing the same |
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| CN101187186A (en) * | 2006-11-15 | 2008-05-28 | 烟台渤海纸业有限公司 | Carbon-coating wall paper and its production method |
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