CN102146213A - High magnetic conductive additive beneficial for environment protection and recycling and preparation method thereof - Google Patents
High magnetic conductive additive beneficial for environment protection and recycling and preparation method thereof Download PDFInfo
- Publication number
- CN102146213A CN102146213A CN 201010192298 CN201010192298A CN102146213A CN 102146213 A CN102146213 A CN 102146213A CN 201010192298 CN201010192298 CN 201010192298 CN 201010192298 A CN201010192298 A CN 201010192298A CN 102146213 A CN102146213 A CN 102146213A
- Authority
- CN
- China
- Prior art keywords
- high magnetic
- particle
- beneficial
- magnetic conduction
- environmental protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention relates to a high magnetic conductive additive beneficial for environment protection and recycling and belongs to the technical field of environment protection. The high magnetic conductive additive is added into a plastic product and is a particle with soft magnetic property. The partical size of the particle is in the range of more than or equal to 1mum and less than or equal to 50mum. The magnetic conductivity of the product is over 30,000 Hunters per meter. The high magnetic conductive additive has fine granularity and can be conveniently dispersed and attached into few plastic particles so as to better disperse few plastic particles with magnetic particles into a great amount of plastic particles, or can be directly added into plastic products. The high magnetic conductive additive uses the following products containing a plastic bag, a convenient meal box, a small plastic toy, a pen, a small plastic part, a plastic film and the like. Due to the soft magnetic property and high magnetic conductivity of the high magnetic conductive additive, an electromagnet or a high magnetic energy product strong magnet can be used as a separation tool so as to recover and separate the white pollutants which are originally difficult to be separated. The high magnetic conductive additive is the key technology which changes the existing processing mode.
Description
Technical field
The present invention relates to a kind of high magnetic conduction additive and preparation method, belong to environmental technology field.
Background technology
Plastics use in daily life is more and more, reclaims difficulty, and is difficult to degraded, so be called as white pollution.Invented a kind of degradable plastics abroad, can realize automatic degraded, environment has not been produced pollution.But this degradable plastics range of application is wide inadequately, is mainly used in plastics film (agriculture, medical, food product pack), degraded foam screen, plastics bag and disposable snack box.Its production cost is high slightly than common plastics, and intensity, tension force all is lower than common plastics, so its popularization has been subjected to certain restriction.
China has all carried out the domestic refuse bagging in each big city, and the rubbish after packed is carried out landfill or burning electricity generation, neitherly is beneficial to environmental protection.To the rubbish way that to carry out automatic Separation and Recovery utilization be a kind of comparatively environmental protection, but because some are difficult for the existence of isolate (as plastics), the refuse reclamation means of automatization faster are difficult for realizing, have seriously limited applying that refuse classification is reclaimed.At this problem, the applicant has invented a kind of high magnetic conduction additive that is applied to plastics through long term studies and test, good solution this problem.
Summary of the invention
Technical problem to be solved by this invention is: overcome the deficiency that difficulty is reclaimed in existing plastics classification, a kind of high magnetic conduction additive that usefulness is reclaimed in environmental protection that is beneficial to is provided, solved plastics and be difficult for the difficult problem that classification is reclaimed.
In order to solve above technical problem, a kind of high magnetic conduction additive that usefulness is reclaimed in environmental protection that is beneficial to of the present invention makes an addition to plastics, and it is characterized in that: be a kind of particle with soft magnetic property, this particle grain size scope is [1 μ m, 50 μ m].
According to actual needs, the particle grain size scope can suitably be adjusted, and for plastics film, plastics bag, described particle grain size scope is [1 μ m, 2 μ m]; Or the particle grain size scope is [1.2 μ m, 1.8 μ m].For plastic component, the particle grain size scope can be [1 μ m, 10 μ m]; Even [1 μ m, 50 μ m].
Further described high magnetic conduction additive, the particle of described soft magnetic property is the ferrite soft magnetic particle.
In addition, in the described high magnetic conduction additive, described particle can also be to be the reduced iron particle, and the reduced iron particle surface is coated with anti-oxidation lacquer.
Its permeability of this magnetic conduction particulate is at 30000 henries/more than the rice.
The present invention also provides a kind of preparation to be beneficial to the method that the high magnetic conduction additive of usefulness is reclaimed in environmental protection, comprises the steps:
The first step, the ferric oxide wet-milling is refine to about 1 micron of median size;
Second step, serve as a contrast down 20 mesh sieves with 1000 eye mesh screens and carry out pressure filtration, drying filter thing, and be crushed to below 3 microns;
The 3rd step, the ferric oxide particles after the drying and crushing enter and reduce sintering in the reduction furnace;
The 4th step, reduced iron is immersed in the anti-oxidation lacquer solution, reaches about the 1-2 micron grinding to particle diameter under the oxygen barrier environment, slow down stirring velocity, utilize vortex principle to heat, make lacquer be solidificated in particle surface to tiny iron powder.
The 5th goes on foot, leaches the reduced iron particle behind the plating lacquer, is drying to obtain.
In addition, to contain mass percent be 0.1%～5.0% high magnetic conduction additive involved in the present invention for the also claimed a kind of plastics of being convenient to classify and reclaiming of the present invention, these goods.
The permeability of product of the present invention in 30000 Hunters/more than the rice, and granularity is thinner, can disperse comparatively easily to attach in a spot of plastic grain, and then will be stained with magnetic particulate plastic pellet on a small quantity and better be distributed in large quantities of plastic pellets; Perhaps be added directly in the plastics.Operable product comprises: plastics bag, convenience mess tin, little plastic toy, pen, little plastic component, plastic film etc.Because it has soft magnetic property, and the permeability height, therefore can use electromagnet or with the kicker magnet of high energy product as separating tool, with this type of not segregative white pollution thing originally, is reclaimed separation, one-tenth for a change has the gordian technique of processing mode now.
After implementing the present invention, trash processing way can adopt following steps: smash plastic packaging bag; Hook goes out chemical fibre waste materials such as cloth clothes; Adopt magnetic separation to separate, but the material of reuse is reclaimed; Remaining thing does to adopt buoyancy to separate, and upward is the fertilizer raw material, enters building trade for the landfill materials down.As seen, behind utilization the present invention, the proud solution of the difficult problem of refuse classification, the waste reclaimation rate is able to height, has enormous social and economic worth.
Because the fusing point of soft magnetic granules is far above the fusing point of plastics, therefore the plastics after reclaiming are through utilizing once more, and the characteristic of the high magnetic conduction additive that it contains does not change, and utilize the plastics that reclaim the plastics manufacturing still to keep soft magnetic property, can continue to recycle, very convenient.Manufacturing contains the plastics of this high magnetic conduction additive, need not to change the manufacturing process of existing plastics, and almost not increase of cost, and the social economic value that obtains is huge really.After estimating to release, will be subjected to people's popular welcome, have good market outlook.
Embodiment
Below in conjunction with example the present invention is described in further detail.But the invention is not restricted to given example.
The present invention makes an addition to plastics for a kind of high magnetic conduction additive that is beneficial to environmental protection recovery usefulness, and it is a kind of particle with soft magnetic property, and this particle grain size scope is [1 μ m, 2 μ m].In this example, the soft magnetic property particle is selected the reduced iron particle for use, and its surface-coated has anti-oxidation lacquer coating, and its permeability is at 30000 henries/more than the rice.In addition, the soft magnetic property particle also can be selected the ferrite soft magnetic particle for use, because the Ferrite Material performance is relatively stable, therefore need not to apply antioxidation coating.
The magneticsubstance of equal in quality, its granularity difference, suction is also inequality.It below is the relevant simultaneous test that the applicant does.
(unit: gram, a gram suction is equivalent to 9.8*10 to the suction of the high magnetic conduction additive granules of the particle diameter that the suction of 10*10 cylindrical magnet is different
-3Ox):
1 micron: 228; 1.2 micron: 230; 1.4 micron: 233; 1.6 micron: 237; 1.8 micron: 240; 2 microns: 242; 3 microns: 257; 4 microns: 279; 5 microns: 311; 6 microns: 356; 7 microns: 416; 8 microns: 513; 9 microns: 598; 10 microns: 667.
Can find out that from contrast experiment's data the big more suction of the particle diameter of additive is big more.
Because additive granules of the present invention need make an addition in the plastics bag, so its particle diameter can not be too thick, in order to ensure suction, particle diameter can not be too thin, and too thin particle diameter manufacture difficulty is bigger.Through applicant's repetition test, particle diameter can meet the demands between 1 micron to 2 microns; And for plastic component, then can use than coarse particles, 1 micron to 10 microns, even 1 micron can be satisfied the demand in 50 micrometer ranges.
The embodiment of the invention also comprises a kind of plastics that are added with high magnetic conduction additive granules, and wherein, high magnetic conduction additive granules content (mass percent) is 0.1%～5.0%.
In the plastics, the additive level height is also influential to suction, and the applicant has also done relevant simultaneous test.
1, dosage: suction 32 grams of 0.05% correspondence;
2, dosage: suction 57 grams of 0.10% correspondence;
3, dosage: suction 90 grams of 0.15% correspondence;
4, dosage: suction 111 grams of 0.20% correspondence
5, dosage: suction 260 grams of 0.50% correspondence;
6, dosage: suction 365 grams of 1.0% correspondence;
7, dosage: suction 543 grams of 2.0% correspondence;
8, dosage: suction 657 grams of 3.0% correspondence;
9, dosage: suction 812 grams of 4.0% correspondence;
10, dosage: suction 989 grams of 5.0% correspondence.
The hard magnetic body magnetic energy product that uses approximately is 25,000,000 high Austria, about 30 millimeters of diameter, about 20 millimeters of thickness.
As seen, the content that adds in the plastics is big more, and its suction is also big more.Generally speaking, the minimum needs that should guarantee more than 50 grams, just can satisfy magnetic separation of suction.
The particulate amount of adding in plastics also has skill, and content is too high, can influence other performances of plastics, and addition is too low can not to guarantee reliable suction again, can't realize magnetic separation.Adding content need get final product between 0.1% to 5%.And particle diameter is at 1.2 microns to 1.8 microns, and interpolation quality effect between 0.15% to 2% is best.
Embodiments of the invention also provide a kind of method that the high magnetic conduction additive of usefulness is reclaimed in environmental protection for preparing, and especially a kind of reduced iron for preparing is that kernel plating enamelled coating is the method for the soft magnetic granules of antioxidation coating, and it comprises the steps:
The first step, the ferric oxide wet-milling is refine to about 1 micron of median size;
Second step, serve as a contrast down 20 mesh sieves with 1000 eye mesh screens and carry out pressure filtration, drying filter thing, and be crushed to below 3 microns;
The 3rd step, the ferric oxide particles after the drying and crushing enter and reduce sintering in the reduction furnace;
The 4th step, reduced iron is immersed in the anti-oxidation lacquer solution, reaches about the 1-2 micron grinding to particle diameter under the oxygen barrier environment, slow down stirring velocity, utilize vortex principle to heat, make lacquer be solidificated in particle surface to tiny iron powder.
The 5th goes on foot, leaches the reduced iron particle behind the plating lacquer, is drying to obtain.
Because the reduced iron particle is thinner, therefore oxidation in air easily need plate lacquer, to guarantee its soft magnetic property under the oxygen barrier environment.
Anti-oxidation lacquer among the present invention can be selected for use following several:
1: polish (varnish);
2: liquid epoxy;
3: polyimide resin;
4: ultrafine Parylene.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. one kind is beneficial to the high magnetic conduction additive that week is reclaimed in environmental protection, makes an addition to plastics, and it is characterized in that: be a kind of particle with soft magnetic property, this particle grain size scope is [1 μ m, 50 μ m].
2. according to the described high magnetic conduction additive that is beneficial to environmental protection recovery usefulness of claim 1, it is characterized in that: described particle grain size scope is [1 μ m, 10 μ m].
3. according to the described high magnetic conduction additive that is beneficial to environmental protection recovery usefulness of claim 2, it is characterized in that: described particle grain size scope is [1 μ m, 2 μ m].
4. according to the described high magnetic conduction additive that is beneficial to environmental protection recovery usefulness of claim 3, it is characterized in that: described particle grain size scope is [1.2 μ m, 1.8 μ m].
5. according to each described high magnetic conduction additive that is beneficial to environmental protection recovery usefulness of claim 1-4, it is characterized in that: the particle of described soft magnetic property is the ferrite soft magnetic particle.
6. according to each described high magnetic conduction additive that is beneficial to environmental protection recovery usefulness of claim 1-4, it is characterized in that: described particle is the reduced iron particle, and the reduced iron particle surface is coated with anti-oxidation lacquer.
7. be beneficial to the high magnetic conduction additive that usefulness is reclaimed in environmental protection according to claim 6 is described, it is characterized in that: permeability is at 30000 henries/more than the rice.
8. one kind prepares the described method that is beneficial to the high magnetic conduction additive of environmental protection recovery usefulness of claim 6, comprises the steps:
The first step, the ferric oxide wet-milling is refine to about 1 micron of median size;
Second step, serve as a contrast down 20 mesh sieves with 1000 eye mesh screens and carry out pressure filtration, drying filter thing, and be crushed to below 3 microns;
The 3rd step, the ferric oxide particles after the drying and crushing enter and reduce sintering in the reduction furnace;
The 4th step, reduced iron is immersed in the anti-oxidation lacquer solution, reaches about the 1-2 micron grinding to particle diameter under the oxygen barrier environment, slow down stirring velocity, utilize vortex principle to heat, make lacquer be solidificated in particle surface to tiny iron powder;
The 5th goes on foot, leaches the reduced iron particle behind the plating lacquer, is drying to obtain.
9. plastics of being convenient to classify and reclaiming is characterized in that containing mass percent and are each described high magnetic conduction additive of claim 6 of 0.1%～5.0%.
10. the plastics of being convenient to classify and reclaiming according to claim 9 is characterized in that: contain mass percent and be that 0.15% to 2% claim 3 is described is beneficial to the high magnetic conduction additive that usefulness is reclaimed in environmental protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192298 CN102146213B (en) | 2010-05-21 | 2010-05-21 | High magnetic conduction additive beneficial for environment protection and recycling and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192298 CN102146213B (en) | 2010-05-21 | 2010-05-21 | High magnetic conduction additive beneficial for environment protection and recycling and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102146213A true CN102146213A (en) | 2011-08-10 |
| CN102146213B CN102146213B (en) | 2013-03-20 |
Family
ID=44420696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010192298 Expired - Fee Related CN102146213B (en) | 2010-05-21 | 2010-05-21 | High magnetic conduction additive beneficial for environment protection and recycling and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102146213B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116333699A (en) * | 2023-03-16 | 2023-06-27 | 中南大学 | Well filling material for in-situ leaching uranium extraction well and application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204666A (en) * | 1997-06-12 | 1999-01-13 | 通用电气公司 | Low gloss thermoplastic resin composition |
| CN1330374A (en) * | 2000-06-30 | 2002-01-09 | Tdk股份有限公司 | Powder for dust core and dust core |
| CN1422942A (en) * | 2001-11-26 | 2003-06-11 | 邱玲 | New-type multifunctional lubricating grease and preparation method thereof |
| CN1692089A (en) * | 2003-01-10 | 2005-11-02 | Tdk株式会社 | Ferrite material and method of manufacturing the same |
| CN101090005A (en) * | 2006-06-14 | 2007-12-19 | 株式会社神户制钢所 | Resin coated metal sheet with excellent electromagnetic wave shielding performance |
-
2010
- 2010-05-21 CN CN 201010192298 patent/CN102146213B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204666A (en) * | 1997-06-12 | 1999-01-13 | 通用电气公司 | Low gloss thermoplastic resin composition |
| CN1330374A (en) * | 2000-06-30 | 2002-01-09 | Tdk股份有限公司 | Powder for dust core and dust core |
| CN1422942A (en) * | 2001-11-26 | 2003-06-11 | 邱玲 | New-type multifunctional lubricating grease and preparation method thereof |
| CN1692089A (en) * | 2003-01-10 | 2005-11-02 | Tdk株式会社 | Ferrite material and method of manufacturing the same |
| CN101090005A (en) * | 2006-06-14 | 2007-12-19 | 株式会社神户制钢所 | Resin coated metal sheet with excellent electromagnetic wave shielding performance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116333699A (en) * | 2023-03-16 | 2023-06-27 | 中南大学 | Well filling material for in-situ leaching uranium extraction well and application method |
| CN116333699B (en) * | 2023-03-16 | 2024-03-29 | 中南大学 | Well filling material for in-situ leaching uranium extraction well and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102146213B (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Guo et al. | Liberation characteristic and physical separation of printed circuit board (PCB) | |
| CN105289837B (en) | The technique that a kind of utilization barite fluorite mineral intergrowth prepares blanc fixe | |
| CN107159133A (en) | A kind of magnetic covalent organic frame material and its preparation method and application | |
| Abd Elkodous et al. | Cutting-edge development in waste-recycled nanomaterials for energy storage and conversion applications | |
| CN101417258B (en) | Wet method accurate sizing technique for preparing superfine function powder | |
| CN102146213B (en) | High magnetic conduction additive beneficial for environment protection and recycling and preparation method thereof | |
| CN109622946B (en) | Universal suspension granulation method for preparing sintered metal-graphite composite material | |
| CN108940564A (en) | A kind of low-grade barite classification sorting process of fine fraction | |
| CN102977641B (en) | Method for preparing coal slime powder material | |
| CN100444978C (en) | Multi-lateral-line solid fluidization pneumatic transfer separation device and method of printed circuit board | |
| CN208115971U (en) | Vertical high magnetic vortex sorting machine | |
| CN103878072A (en) | Efficient composite collector for copper sulfide minerals and application of collector | |
| CN110330814B (en) | Grinding method of high-quality synthetic mica | |
| CN115194983A (en) | Manufacturing process for realizing functionality and usability of new plastic recycled material | |
| CN103768995A (en) | Granulation method for ultrafine and nano soft magnetic ferrite powder | |
| CN202079027U (en) | Vibrating screen | |
| Shende et al. | Target-Specific Applications of Fly Ash Cenosphere as Smart Material | |
| CN103214722A (en) | Polyolefin powder capable of uniform mixing with plant small piece and preparation method thereof | |
| CN101649139A (en) | High-solid colour filler containing pulp for nano modified aqueous paint and production method | |
| CN209989272U (en) | System for preparing magnesium oxide from low-grade magnesite | |
| CN114273387A (en) | Method for recovering carbon and reducing iron from water-quenched slag | |
| CN1765520B (en) | Method for extracting Fe from ion ore tailings | |
| CN104815986A (en) | Method for preparing flake zinc powder | |
| CN108620231A (en) | Vertical high magnetic vortex sorting machine | |
| CN106111534A (en) | A kind of modular bauxite by dry method sorting process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: XIE YONGQIU Effective date: 20150413 Owner name: JIANGSU GENGGU STEEL STRUCTURE ENGINEERING CO., LT Free format text: FORMER OWNER: ZHANG JIA GANG YILI ELECTRONIC PRODUCE CO., LTD. Effective date: 20150413 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215600 SUZHOU, JIANGSU PROVINCE TO: 224500 YANCHENG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150413 Address after: 224500, Yancheng City Binhai County, Jiangsu province Huai town private Pioneer Park Patentee after: Jiangsu Long Tie Steel Structure Engineering Co., Ltd. Address before: Tianzhuang village Fenghuang town Zhangjiagang city Jiangsu province 215600 Patentee before: Zhangjiagang Yili Electronic Manufacturing Co., Ltd. Patentee before: Xie Yongqiu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20160521 |