CN106310523A - Powder material capable of generating negative ions and preparation method for the same - Google Patents
Powder material capable of generating negative ions and preparation method for the same Download PDFInfo
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- CN106310523A CN106310523A CN201610690936.0A CN201610690936A CN106310523A CN 106310523 A CN106310523 A CN 106310523A CN 201610690936 A CN201610690936 A CN 201610690936A CN 106310523 A CN106310523 A CN 106310523A
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- oxide
- particle diameter
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- tourmaline
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/44—Applying ionised fluids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
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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
Abstract
The invention discloses a powder material capable of generating negative ions and a preparation method for the same. The powder material consists of following components according to parts by weight: 30 parts-60 parts of tourmalinite materials, 30 parts-50 parts of mixed rare earth materials or oxidation rare earth materials, 8-18 parts of semiconductor catalytic materials, and 8-20 parts of auxiliary excitation materials. The preparation method for the same comprises steps of crushing and roasting the tourmaline materials, grinding the roasted tourmaline materials in a grinding device into superfine powder, adding a surface treating agent for surface treatment when the grinding processing is about to finish, and grinding the mixed rare earth materials or oxidation rare earth materials to size distribution smaller than 1 mum, the semiconductor catalytic material to size distribution smaller than 0.5mum, and the auxiliary exciting materials to size distribution smaller than 0.2mum. The powder material can automatically release negative ions. The preparation method of the invention can prepare the powder material capable of generating negative ions.
Description
Technical field
The present invention relates to new material technology field, specifically, be powder body material and the preparation thereof that can generate anion
Method.
Background technology
Ion refers to that atom loses due to self or the effect in the external world or obtains one or several electronics and reaches
Outer-shell electron number is 8 or the rock-steady structure of 2.This process is referred to as ionization.Ionization process energy that is required or that release is referred to as
Ionization energy.As molecule, atom, ion is also the fundamental particle constituting material.
The charged particle that atom is formed after losing or obtain electronics in ion, such as sodium ion Na+.Charged atomic group
Also known as " ion ", such as sulfate ion.Some molecule under special circumstances, also can form ion.
Generally, atomic nucleus outermost electron number less than 4 be usually formed cation (being exactly band positive sign), more than 4
Be usually formed anion (namely band negative sign), an also rule, atomic nucleus outermost electron number the most just determines this
The quantivalence of element, is exactly the number before positive sign or negative sign.
Cation refers to that atom loses one or several electronics due to external influence so that it is outermost electron number reaches 8
Or the rock-steady structure of 2 electronics.Its betatopic ability of atom that atomic radius is the biggest is the strongest, and metallicity is the strongest, and attribute is
Strong metallic element is francium (Fr).
Ion with one or more positive charges is referred to as " cation ", also known as " cation ".And the radius of atom is bigger, former
The betatopic ability of son is relatively strong, and metallicity is the strongest；On the contrary, the radius of atom is the least, and the betatopic ability of atom is the most weak, because of
This metallicity is the most weak.And the radius of atom is identical, outermost electron number is the fewest, and betatopic ability is stronger；On the contrary, outermost layer
The more, betatopic ability is more weak for number of electrons.
The element that metallicity is the strongest is francium (Fr), is also the metal that the ability of mistake (putting) electronics is the strongest.
Cation is positively charged ion, the number of nuclear charges=proton number > ectonuclear electron number, the positively charged number of institute is equal to former
The electron number that son loses.
The Writing method of cation be exactly the element of this ion or the atomic group symbol upper right corner put on the electrically charged number of institute with
"+" number, such as sodium ion: Na+, ferric ion: Fe3+, ammonium root NH4+, silver ammonium complex ion: [Ag (NH3)2]+Deng.
The charged particle that atom or atomic group are formed after losing or obtain electronics in ion, anion refer to carry one or
The ion of multiple negative charges, also known as " anion ".Some molecule under special circumstances, also can form ion, such as the ion like of oxygen
State, the most just for anion, is also negative oxygen ion.
Negative ions in air is divided into large, medium and small three kinds of ions according to the size of mobility.The anion tool of small particle
There is good biological activity, it is easy to through human body blood brain barrier, enter human body and play its biological effect.
The generation of anion, it is known that material is molecular in physics, molecule is made up of atom
, atom is by atomic nucleus and encloses the electronics rotated about and forms, and obtains showing elecrtonegativity during electronics, shows positive electricity when losing electronics
Property, we positron-electron motion artifacts be referred to as: ionic phenomenon.Under naturalness, the polarity of air molecule is neutrality, it may be assumed that no
Electrically charged.But under the effects such as cosmic ray, ultraviolet, trace element radiation, Lightning strike, air molecule can lose part and enclose
The outermost electron rotated around atomic nucleus, makes air ionize, and the electronics of escape atomic nucleus constraint is referred to as: free electron, band
Negative charge.After free electron is combined with other neutral gas molecule, it is formed for electronegative negative aeroion.It is above certainly
The anion so produced in phenomenon.
Countless clinical researches find, anion can improve neurasthenia, insomnia, unobstructed cardiovascular and cerebrovascular vessel, reduce blood and glue
Denseness, improves body immunity, to improving insomnia, asthma, alleviates the persistent ailment such as hypertension, diabetes and has significant curative effect, relevant
Study and award the " environment, healthy and negative of chief editor at " the modern physics therapeutics " of Chen Jingzao chief editor and Tsing-Hua University's woods gold penetrating judgment
Oxonium ion " etc. works has explaination in detail.
The generation principle of anion mainly has following several:
1. air is sent out by ultraviolet, cosmic ray, radioactive substance, thunderstorm, storm, the impact of the factors such as soil and air lonizing radiation
The electronics that life ionizes and is released discharges after the earth absorbs again and quickly combines with the neutral molecule in air, and
Become anion, or referred to as anion.The anion of the nature (effect that namely plays in health and reduction negative
Ion) there are the biggest antioxidant effect and reducing power.
2. waterfall impact, ripple pushes away volume heavy rain and falls in the natural processes such as mistake water under gravity, flow at high speed, hydrone
Crack and produce anion.
3. the photoelectric effect that the trees of forest, leaf branch point discharge and green plants photosynthesis are formed, makes air ionization
And the anion produced.
4. part crustal rock can discharge certain anion.
5. produce ecological small particle negative aeroion by artificial anion generation technique, simulate nature thunder and lightning high pressure
Ionized air produces negatron, using the oxygen in air, carbon dioxide etc. as carrier diffusion.
For each negative ions, its life-span is of short duration, typically only exists dozens of minutes.Anion in air
Number, affected by geographical conditions particularity and content is different.Park, field, suburb, beach, lake, near waterfall and forest
Middle content is more.Therefore, when people enter above-mentioned place when, brains is pure and fresh, breathes happy and frank.Enter noisy crowded
Crowd, or enter in air-conditioned room, then make people feel sultry, hypopnea etc..It is said that in general, people needs about 13,000,000,000 every day
Anion, and our room, office, the environment such as public place of entertainment, about 1 20 hundred million can only be provided.Between this supply and demand
Huge contrast, tend to cause pneumonia, the respiratory disorder of tracheitis.Central heating and the air conditioning system of air-cooling system,
Anion is often purged.Synthetic fibers, carpet easily absorb anion with positive charge.Reinforcing bar, fibre board all absorb anion.
Negative aeroion can reduce the active oxygen from generations such as the polluter of air, nitrogen oxides, medicated cigarettes, and (oxygen is freely
Base), reduce the harm to human body of the too much active oxygen；The floating dust in air of neutral zone positive electricity, without settling after electric charge, makes air obtain only
Change.
Anion can not only facilitate human body synthesis and vitamin storage, strengthening and the physiological activity of human activin, therefore it
Be otherwise known as " air vitamin ", it is believed that it is as the vitamin of food, has the vital movement of human body and other biological
Highly important impact, after thunderstorm, the anion of air increases, and people feel happy.And at air-conditioned room, because of sky
In gas, anion processes and almost all disappearance after very long ventilation shaft through a series of air conditioning purges, and people stop for a long time
Stay and can feel that uncomfortable in chest, dizzy, weak, work efficiency and health status decline, be referred to as " air conditioner comprehensive disease ".In medical circle,
Anion is identified it is to have kill pathogenic bacteria and purify the effective means of air.Its mechanism essentially consists in anion and is combined with antibacterial
After, making antibacterial produce change or the transfer of energy of structure, cause bacterial death, final decline is sunken to ground.Medical research shows,
In air, electronegative microgranule makes oxygen content in blood increase, and beneficially blood oxygen carries, absorbs and utilize, and has promotion human body the oldest
Metabolism, improves human body immunity, strengthens human body flesh energy, the effect of regulation human body function balance.According to textual criticism, anion is to human body
7 systems, nearly more than 30 kinds of diseases have suppression, alleviate and auxiliary therapeutic action, especially become apparent from the health-care effect of human body.
Summary of the invention
It is an object of the invention to design the powder body material that can generate anion, it is possible to anion releasing automatically,
To ensure that the anion concentration in air continues to increase.
The present invention also aims to design the preparation method of the powder body material that can generate anion, can prepare
The powder body material of anion can be generated.
The present invention is achieved through the following technical solutions: can generate the powder body material of anion, by following weight portion meter
One-tenth is grouped into:
Tourmaline material 30 ~ 60 parts；
Mixed rare-earth materials or rare earth oxide material 30 ~ 50 parts；
Quasiconductor catalysis material 8 ~ 18 parts；
Auxiliary spark excitation material 8 ~ 20 parts.
Further the most described powder body material, the especially following set-up mode of employing: described electric stone material
Material is one or more in tsilaisite, elbaite, dravite and iron tourmaline；
Described mixed rare-earth materials is in Cerium monophosphate, lanthanum orthophosphate, niobium phosphate, yttrium phosphate, Dineodymium trisulfate, europium sulfate and phosphoric acid terbium
Plant or multiple；
Described rare earth oxide material is in europium oxide, ceria, praseodymium oxide, cerium oxide, lanthana, niobium oxide and Erbia
One or more；
Described quasiconductor catalysis material is nickel protoxide, Tungstic anhydride., ferroso-ferric oxide, chromium oxide, manganese dioxide, three oxidations
One or more in molybdenum, titanium dioxide, zinc oxide, silver oxide, vanadic anhydride, diboron trioxide and stannum oxide；
Described auxiliary spark excitation material is one or more in opal, rare ice stone, White Carbon black, magnetic iron oxide and garnet.
Further the most described powder body material, uses following set-up mode especially: described electrically
The particle diameter of stone material is distributed as 200 ~ 500nm, and the particle diameter distribution of mixed rare-earth materials or rare earth oxide material, less than 1 μm, is partly led
The particle diameter distribution of body catalysis material is less than 0.5 μm, and the particle diameter distribution of auxiliary spark excitation material is less than 0.2 μm.
The preparation method of the powder body material of anion can be generated, including step in detail below:
1) by tourmaline material disintegrating to 150 ~ 400 mesh, and roasting 0.5 ~ 1h at 650 ~ 800 DEG C；
2) tourmaline material after step 1) roasting is added in milling apparatus and carries out superfine grinding, until particle diameter be distributed as 200 ~
500nm；
3) when tourmaline material milled processed is closed to an end, add surface conditioning agent and carry out surface process；
4) mixed rare-earth materials or rare earth oxide material are ground to particle diameter distribution grind less than 1 μm, quasiconductor catalysis material
It is ground to particle diameter distribution less than 0.2 μm less than 0.5 μm, auxiliary spark excitation material to particle diameter distribution；
5) material after step 3) and step 4) is put into dispersion in high speed dispersor by proportioning, sieve, be drying to obtain
The described powder body material that can generate anion.
Further the most described preparation method, the especially following set-up mode of employing: step 2) in
The particle diameter of described tourmaline material is distributed as 300 ~ 400nm.
Further the most described preparation method, uses following set-up mode: in step 3) especially
Described surface conditioning agent is one or more in Tin monoxide, sodium hexameta phosphate and polyacrylic acid.
The present invention compared with prior art, has the following advantages and beneficial effect:
Powder body material of the present invention can anion releasing automatically, to ensure that the anion concentration in air continues to increase；
Described preparation method, can prepare the powder body material that can generate anion.
The present invention utilizes the surface hydroxylation of auxiliary spark excitation material and the characteristic of absorption water to provide anion and rely generation
Initial condition, thus reach the purpose of anion releasing.
Tourmaline is ground to nanoscale by the present invention so that it is has higher energy, particularly releases in piezoelectric effect and heat
Under the effect of electrical effect, even if the change that in air, temperature and pressure is small can cause the electricity between tourmaline crystal microgranule
Potential difference, oxygen molecule or hydrone that the highest this electrostatic pressure (106～109ev) be enough to make in air ionize, and are hit
In be electronically attached to the molecule closed on and make it be converted into negative aeroion.
The other materials of the present invention is the most all ground to nanoscale, and the special effects utilizing nano material is (specific surface effect, little
Dimensional effect, macroscopic quantum effect) improve the tourmaline electrolysis ability to hydrone, thus improve material anion releasing
Ability, increases negative aeroion.
The anion release rate of the powder body material of the present invention can reach 20000 ~ 30000/cm3, it is much higher than the most special
The release rate of profit.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
The powder body material of anion can be generated, it is possible to anion releasing automatically, to ensure that the anion concentration in air is held
Continuous increase, is grouped into by the one-tenth of following weight portion meter:
Tourmaline material 30 ~ 60 parts；
Mixed rare-earth materials or rare earth oxide material 30 ~ 50 parts；
Quasiconductor catalysis material 8 ~ 18 parts；
Auxiliary spark excitation material 8 ~ 20 parts.
Embodiment 2:
The present embodiment is to optimize further on the basis of above-described embodiment, the most described powder
Body material, uses following set-up mode: described tourmaline material is tsilaisite, elbaite, dravite and ferrum especially
One or more in tourmaline；
Described mixed rare-earth materials is in Cerium monophosphate, lanthanum orthophosphate, niobium phosphate, yttrium phosphate, Dineodymium trisulfate, europium sulfate and phosphoric acid terbium
Plant or multiple；
Described rare earth oxide material is in europium oxide, ceria, praseodymium oxide, cerium oxide, lanthana, niobium oxide and Erbia
One or more；
Described quasiconductor catalysis material is nickel protoxide, Tungstic anhydride., ferroso-ferric oxide, chromium oxide, manganese dioxide, three oxidations
One or more in molybdenum, titanium dioxide, zinc oxide, silver oxide, vanadic anhydride, diboron trioxide and stannum oxide；
Described auxiliary spark excitation material is one or more in opal, rare ice stone, White Carbon black, magnetic iron oxide and garnet.
Embodiment 3:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, institute the most to better implement the present invention
State powder body material, use following set-up mode especially: the particle diameter of described tourmaline material is distributed as 200 ~ 500nm, mischmetal
The particle diameter distribution of material or rare earth oxide material swashs less than 0.5 μm, auxiliary less than 1 μm, the particle diameter distribution of quasiconductor catalysis material
Send out the particle diameter distribution of material less than 0.2 μm.
Embodiment 4:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, can generate the system of the powder body material of anion
Preparation Method, can prepare the powder body material that can generate anion, including step in detail below:
1) by tourmaline material disintegrating to 150 ~ 400 mesh, and roasting 0.5 ~ 1h at 650 ~ 800 DEG C；
2) tourmaline material after step 1) roasting is added in milling apparatus and carries out superfine grinding, until particle diameter be distributed as 200 ~
500nm；
3) when tourmaline material milled processed is closed to an end, add surface conditioning agent and carry out surface process；
4) mixed rare-earth materials or rare earth oxide material are ground to particle diameter distribution grind less than 1 μm, quasiconductor catalysis material
It is ground to particle diameter distribution less than 0.2 μm less than 0.5 μm, auxiliary spark excitation material to particle diameter distribution；
5) material after step 3) and step 4) is put into dispersion in high speed dispersor by proportioning, sieve, be drying to obtain
The described powder body material that can generate anion.
Embodiment 5:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, institute the most to better implement the present invention
State preparation method, use especially following set-up mode: step 2) described in the particle diameter of tourmaline material be distributed as 300 ~
400nm。
Embodiment 6:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, institute the most to better implement the present invention
State preparation method, use following set-up mode especially: the surface conditioning agent described in step 3) is Tin monoxide, sodium hexameta phosphate
And one or more in polyacrylic acid.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every depends on
Any simple modification of being made above example according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (6)
1. can generate the powder body material of anion, it is characterised in that: it is grouped into by the one-tenth of following weight portion meter:
Tourmaline material 30 ~ 60 parts；
Mixed rare-earth materials or rare earth oxide material 30 ~ 50 parts；
Quasiconductor catalysis material 8 ~ 18 parts；
Auxiliary spark excitation material 8 ~ 20 parts.
The powder body material that can generate anion the most according to claim 1, it is characterised in that: described tourmaline material is
One or more in tsilaisite, elbaite, dravite and iron tourmaline；
Described mixed rare-earth materials is in Cerium monophosphate, lanthanum orthophosphate, niobium phosphate, yttrium phosphate, Dineodymium trisulfate, europium sulfate and phosphoric acid terbium
Plant or multiple；
Described rare earth oxide material is in europium oxide, ceria, praseodymium oxide, cerium oxide, lanthana, niobium oxide and Erbia
One or more；
Described quasiconductor catalysis material is nickel protoxide, Tungstic anhydride., ferroso-ferric oxide, chromium oxide, manganese dioxide, three oxidations
One or more in molybdenum, titanium dioxide, zinc oxide, silver oxide, vanadic anhydride, diboron trioxide and stannum oxide；
Described auxiliary spark excitation material is one or more in opal, rare ice stone, White Carbon black, magnetic iron oxide and garnet.
The powder body material that can generate anion the most according to claim 1 and 2, it is characterised in that: described electric stone material
The particle diameter of material is distributed as 200 ~ 500nm, and the particle diameter distribution of mixed rare-earth materials or rare earth oxide material is less than 1 μm, and quasiconductor is urged
The particle diameter distribution of formed material is less than 0.5 μm, and the particle diameter distribution of auxiliary spark excitation material is less than 0.2 μm.
4. the preparation method of the powder body material that can generate anion as described in claim 1 or 2 or 3, it is characterised in that: bag
Include step in detail below:
1) by tourmaline material disintegrating to 150 ~ 400 mesh, and roasting 0.5 ~ 1h at 650 ~ 800 DEG C；
2) tourmaline material after step 1) roasting is added in milling apparatus and carries out superfine grinding, until particle diameter be distributed as 200 ~
500nm；
3) when tourmaline material milled processed is closed to an end, add surface conditioning agent and carry out surface process；
4) mixed rare-earth materials or rare earth oxide material are ground to particle diameter distribution grind less than 1 μm, quasiconductor catalysis material
It is ground to particle diameter distribution less than 0.2 μm less than 0.5 μm, auxiliary spark excitation material to particle diameter distribution；
5) material after step 3) and step 4) is put into dispersion in high speed dispersor by proportioning, sieve, be drying to obtain
The described powder body material that can generate anion.
The preparation method of the powder body material that can generate anion the most according to claim 4, it is characterised in that: step 2)
Described in the particle diameter of tourmaline material be distributed as 300 ~ 400nm.
6. according to the preparation method of the powder body material that can generate anion described in claim 4 or 5, it is characterised in that: step
Rapid 3) surface conditioning agent described in is one or more in Tin monoxide, sodium hexameta phosphate and polyacrylic acid.
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| CN201610690936.0A CN106310523A (en) | 2016-08-20 | 2016-08-20 | Powder material capable of generating negative ions and preparation method for the same |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705427A (en) * | 2018-11-06 | 2019-05-03 | 江苏全球康功能纺织品有限公司 | A kind of preparation process of anion material |
| CN109796933A (en) * | 2019-03-14 | 2019-05-24 | 武汉长江日报创印科技有限公司 | It is a kind of efficiently to discharge tourmaline modified powder of anion and preparation method thereof |
| CN109853243A (en) * | 2018-12-17 | 2019-06-07 | 江南大学 | A kind of method for sorting assigning fabric negative ion health function |
| CN110565372A (en) * | 2019-09-26 | 2019-12-13 | 成都康源量子生物技术研究院 | Negative oxygen ion energy brocade roll and preparation method thereof |
| CN111303678A (en) * | 2020-03-02 | 2020-06-19 | 关圣睿 | Anion powder for decoration material and preparation method and application thereof |
| CN112246083A (en) * | 2020-09-04 | 2021-01-22 | 秦立新 | Negative oxygen ion air purifying agent, and preparation method and application thereof |
| CN112299753A (en) * | 2020-11-06 | 2021-02-02 | 中旗(湖北)新材料有限公司 | Novel odor-removing antibacterial artificial stone and preparation method thereof |
| CN113832713A (en) * | 2021-10-28 | 2021-12-24 | 广东安之伴实业有限公司 | Preparation process of nerve-soothing and sleep-aiding plant fiber fabric |
| CN116476470A (en) * | 2023-04-19 | 2023-07-25 | 山东华美建材有限公司 | Negative oxygen ion glass fiber board and preparation method thereof |
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| CN101148353A (en) * | 2007-08-21 | 2008-03-26 | 常州众博复合材料有限公司 | Powder material capable of producing anion and preparation method thereof |
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| CN101148353A (en) * | 2007-08-21 | 2008-03-26 | 常州众博复合材料有限公司 | Powder material capable of producing anion and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705427A (en) * | 2018-11-06 | 2019-05-03 | 江苏全球康功能纺织品有限公司 | A kind of preparation process of anion material |
| CN109853243A (en) * | 2018-12-17 | 2019-06-07 | 江南大学 | A kind of method for sorting assigning fabric negative ion health function |
| CN109853243B (en) * | 2018-12-17 | 2021-10-26 | 江南大学 | Finishing method for endowing fabric with negative ion health care function |
| CN109796933A (en) * | 2019-03-14 | 2019-05-24 | 武汉长江日报创印科技有限公司 | It is a kind of efficiently to discharge tourmaline modified powder of anion and preparation method thereof |
| CN110565372A (en) * | 2019-09-26 | 2019-12-13 | 成都康源量子生物技术研究院 | Negative oxygen ion energy brocade roll and preparation method thereof |
| CN111303678A (en) * | 2020-03-02 | 2020-06-19 | 关圣睿 | Anion powder for decoration material and preparation method and application thereof |
| CN112246083A (en) * | 2020-09-04 | 2021-01-22 | 秦立新 | Negative oxygen ion air purifying agent, and preparation method and application thereof |
| CN112299753A (en) * | 2020-11-06 | 2021-02-02 | 中旗(湖北)新材料有限公司 | Novel odor-removing antibacterial artificial stone and preparation method thereof |
| CN113832713A (en) * | 2021-10-28 | 2021-12-24 | 广东安之伴实业有限公司 | Preparation process of nerve-soothing and sleep-aiding plant fiber fabric |
| CN116476470A (en) * | 2023-04-19 | 2023-07-25 | 山东华美建材有限公司 | Negative oxygen ion glass fiber board and preparation method thereof |
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Application publication date: 20170111 |