CN104109344B - A kind of magnetic ferrite modified urea-formaldehyde resin matrix material and preparation method thereof - Google Patents
A kind of magnetic ferrite modified urea-formaldehyde resin matrix material and preparation method thereof Download PDFInfo
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- CN104109344B CN104109344B CN201410189313.6A CN201410189313A CN104109344B CN 104109344 B CN104109344 B CN 104109344B CN 201410189313 A CN201410189313 A CN 201410189313A CN 104109344 B CN104109344 B CN 104109344B
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- magnetic ferrite
- formaldehyde resin
- powder
- useless brick
- cobalt zinc
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Abstract
The invention belongs to organic materials field, be specifically related to a kind of magnetic ferrite modified urea-formaldehyde resin matrix material and preparation method thereof, the weight percent of each composition of this material is: aluminum oxide 2-15%, TiO
2?8-15%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22-25%, all the other are urea-formaldehyde resin; The object of this invention is to provide a kind of magnetic ferrite modified urea-formaldehyde resin matrix material, the damping capacity of this material is higher; Preparation method's technique of the present invention is simple, and production cost is low, is suitable for suitability for industrialized production.
Description
Technical field
The invention belongs to organic materials field, be specifically related to a kind of magnetic ferrite modified urea-formaldehyde resin matrix material.
Background technology
CN200810104020.8 application belongs to organic polymer material field, relates to a kind of inorganic-organic hybrid, the preparation method of wide temperature zone high damping properties ACRYLIC EMULSION functional materials.It is characterized in that taking esters of acrylic acid as polymerization single polymerization monomer, organosilicon is organic composite material, nm-class boron nitride, mica is inorganic composite materials, do not changing on body emulsion basis, preparing a series of damping temperature domain and be greater than 135 DEG C, the macromolecular material that damping factor is greater than 0.30.Wherein, the material of performance the best is in the wide damping temperature domain being greater than 135 DEG C, and damping factor can be greater than 0.5.But the damping capacity of this material is lower.
Summary of the invention
Object of the present invention is exactly for above-mentioned technological deficiency, and provide a kind of magnetic ferrite modified urea-formaldehyde resin matrix material, the damping capacity of this material is higher;
Another object of the present invention is to provide a kind of magnetic ferrite modified urea-formaldehyde resin composite material and preparation method thereof, and this preparation method's technique is simple, and production cost is low, is suitable for suitability for industrialized production.
Technical solution of the present invention is as follows:
A kind of magnetic ferrite modified urea-formaldehyde resin matrix material, is characterized in that: in this material, the weight percent of each composition is: aluminum oxide 2-15%, TiO
28-15%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22-25%, all the other are urea-formaldehyde resin;
Described useless brick powder lanthanum cobalt zinc magnetic ferrite composite is made up of by weight 1:1-1.2 give up brick powder and lanthanum cobalt zinc magnetic ferrite, and wherein in useless brick powder, the weight percent of each composition is: Al
2o
328-30%, TiO
21.4-1.8%, Fe
2o
31.8-2.2%, all the other are SiO
2;
In described lanthanum cobalt zinc magnetic ferrite, the weight percent of each composition is: ZnO
20-22wt%, Cr
2o
30.6-0.8wt%, CoO1-3wt%, MgO2-3wt%, Al
2o
30.6-0.8wt%, SiO
20.3-0.6wt%, CaO0.1-0.3wt%, La
2o
30.3-0.6wt%, all the other are Fe
2o
3.
The particle diameter of described useless brick powder lanthanum cobalt zinc magnetic ferrite composite is 130-150 micron.
The preparation method of above-mentioned magnetic ferrite modified urea-formaldehyde resin matrix material, the method comprises the following steps: the 1) preparation of lanthanum cobalt zinc magnetic ferrite
Each raw materials by weight: ZnO
20-22wt%, Cr
2o
30.6-0.8wt%, CoO1-3wt%, MgO2-3wt%, Al
2o
30.6-0.8wt%, SiO
20.3-0.6wt%, CaO0.1-0.3wt%, La
2o
30.3-0.6wt%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried at 120-130 DEG C, after sieve after oven dry, screen cloth is 180-220 order, then pre-burning 110-125 minute at the temperature of 970-1000 DEG C, pulverize grinding after pre-burning and obtain lanthanum cobalt zinc magnetic ferrite powder, diameter of particle is 130-150 micron;
2) preparation of useless brick powder
Get the useless brick powder of above-mentioned composition, grind to form the useless brick powder powder that particle diameter is 130-150 micron, for subsequent use;
3) the useless brick powder lanthanum cobalt zinc magnetic ferrite composite of preparation
In proportion by step 2) the useless brick powder powder of gained and step 1) the lanthanum cobalt zinc magnetic ferrite powder of gained mixes, then at 1230-1280 DEG C of temperature, sinter 4-7 hour, pulverize grinding after naturally cooling again and obtain the useless brick powder lanthanum cobalt zinc magnetic ferrite composite that particle diameter is 130-150 micron;
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 2-15%, TiO
28-15%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22-25%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 135-145 DEG C is incubated 20-30 minute, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Beneficial effect of the present invention:
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention is by aluminum oxide, TiO
2, useless brick powder lanthanum cobalt zinc magnetic ferrite composite, urea-formaldehyde resin composition.Urea-formaldehyde resin forms pliable and tough matrix, and alumina stable is distributed in wear resistance matrix improving material; TiO
2there is antibacterial and uvioresistant effect, delay the aging of urea-formaldehyde resin.Useless brick powder lanthanum cobalt zinc magnetic ferrite composite and aluminum oxide, TiO
2and define many interfaces between urea-formaldehyde resin matrix, and useless brick powder lanthanum cobalt zinc magnetic ferrite composite is formed by having give up brick powder and heterogeneous lanthanum cobalt zinc magnetic ferrite of microcosmic aperture, thus forms some small interfaces.No matter be macroscopic interface or micro interface, have the effect of damped vibration when material is subject to vibrating.Material is under vibratory stress effect, and chemical combination, mutually in most advanced and sophisticated urea-formaldehyde resin matrix around, because stress concentration produces micro-plastic deformation, consumes partial vibration energy, plays the damping action reducing vibration.Simultaneously due to the micro-plastic deformation of matrix, make the matrix generation relative movement near chemical combination phase both sides, drive viscous flow between chemical combination phase interior layer, the chemical combination making quantity few mutually can the more vibrational energy of consumption rate and play damping action.So the damping action that the damping action of material is caused by viscous flow between micro-plastic deformation and chemical combination phase interior layer formed.
Preparation technology of the present invention is easy, and process is simple, by aluminum oxide, and TiO
2useless brick powder lanthanum cobalt zinc magnetic ferrite composite and urea-formaldehyde resin, each raw material mixes, and mixture is put into mould, then the indirect heating resistance furnace being placed in 135-145 DEG C is incubated 20-30 minute, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.Products obtained therefrom damping capacity of the present invention is higher.In the present invention's preparation, a large amount of use your material rare, institute's raw materials cost of getting reduces, and adopts waste material to do raw material.Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention can be applied to the fields such as weaving, building, military affairs.
Accompanying drawing explanation
Fig. 1 is the organization chart of magnetic ferrite modified urea-formaldehyde resin matrix material prepared by the embodiment of the present invention one.
As seen from the figure, homogeneous microstructure is fine and close.
Embodiment
Below in conjunction with embodiment, the invention will be further described: in useless brick powder, the weight percent of each composition is: Al
2o
328-30%, TiO
21.4-1.8%, Fe
2o
31.8-2.2%, all the other are SiO
2;
Embodiment one:
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention, its preparation method is as follows:
1) preparation of lanthanum cobalt zinc magnetic ferrite
Each raw materials by weight: ZnO
21wt%, Cr
2o
30.6wt%, CoO1wt%, MgO2wt%, Al
2o
30.6wt%, SiO
20.3wt%, CaO0.1wt%, La
2o
30.3wt%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 120 DEG C, screen cloth is 180 orders, then pre-burning 110 minutes at the temperature of 970 DEG C, pulverize grinding after pre-burning and obtain lanthanum cobalt zinc magnetic ferrite powder, diameter of particle is 130-150 micron;
2) preparation of useless brick powder
Get the useless brick powder of above-mentioned composition, grind to form the useless brick powder powder that particle diameter is 130-150 micron, for subsequent use;
3) the useless brick powder lanthanum cobalt zinc magnetic ferrite composite of preparation
By weight 1:1 by step 2) the useless brick powder powder of gained and step 1) the lanthanum cobalt zinc magnetic ferrite powder of gained mixes, then at 1230 DEG C of temperature, sinter 4 hours, pulverize grinding after naturally cooling again and obtain the useless brick powder lanthanum cobalt zinc magnetic ferrite composite that particle diameter is 130-150 micron;
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 2%, TiO
28%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 135 DEG C is incubated 20 minutes, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Embodiment two:
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention, its preparation method is as follows:
1) preparation of lanthanum cobalt zinc magnetic ferrite
Each raw materials by weight: ZnO
222wt%, Cr
2o
30.8wt%, CoO3wt%, MgO3wt%, Al
2o
30.8wt%, SiO
20.6wt%, CaO0.3wt%, La
2o
30.6wt%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 130 DEG C, screen cloth is 220 orders, then pre-burning 125 minutes at the temperature of 1000 DEG C, pulverize grinding after pre-burning and obtain lanthanum cobalt zinc magnetic ferrite powder, diameter of particle is 130-150 micron;
2) preparation of useless brick powder
Get the useless brick powder of above-mentioned composition, grind to form the useless brick powder powder that particle diameter is 130-150 micron, for subsequent use;
3) the useless brick powder lanthanum cobalt zinc magnetic ferrite composite of preparation
By weight 1:1.2 by step 2) the useless brick powder powder of gained and step 1) the lanthanum cobalt zinc magnetic ferrite powder of gained mixes, then at 1280 DEG C of temperature, sinter 7 hours, pulverize grinding after naturally cooling again and obtain the useless brick powder lanthanum cobalt zinc magnetic ferrite composite that particle diameter is 130-150 micron;
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 15%, TiO
215%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 25%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 145 DEG C is incubated 30 minutes, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Embodiment three:
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention, its preparation method is as follows:
1) preparation of lanthanum cobalt zinc magnetic ferrite
Each raw materials by weight: ZnO
212wt%, Cr
2o
30.7wt%, CoO2wt%, MgO2.5wt%, Al
2o
30.7wt%, SiO
20.5wt%, CaO0.2wt%, La
2o
30.4wt%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 125 DEG C, screen cloth is 200 orders, then pre-burning 120 minutes at the temperature of 990 DEG C, pulverize grinding after pre-burning and obtain lanthanum cobalt zinc magnetic ferrite powder, diameter of particle is 130-150 micron;
2) preparation of useless brick powder
Get the useless brick powder of above-mentioned composition, grind to form the useless brick powder powder that particle diameter is 130-150 micron, for subsequent use;
3) the useless brick powder lanthanum cobalt zinc magnetic ferrite composite of preparation
By weight 1:1.1 by step 2) the useless brick powder powder of gained and step 1) the lanthanum cobalt zinc magnetic ferrite powder of gained mixes, then at 1250 DEG C of temperature, sinter 6 hours, pulverize grinding after naturally cooling again and obtain the useless brick powder lanthanum cobalt zinc magnetic ferrite composite that particle diameter is 130-150 micron;
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 10%, TiO
211%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 23%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 140 DEG C is incubated 25 minutes, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Embodiment four: (in step 4, proportioning components is not within the scope of design proportion of the present invention)
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention, its preparation method is as follows:
Step 1-3 is with the step 1-3 in embodiment 3.
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 1%, TiO
26%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 20%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 110 DEG C is incubated 13 minutes, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Embodiment five: (in step 4, proportioning components is not within the scope of design proportion of the present invention)
Magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention, its preparation method is as follows:
Step 1-3 is with the step 1-3 in embodiment 3.
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 18%, TiO
219%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 27%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 160 DEG C is incubated 40 minutes, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
Table one
As can be seen from the above table, magnetic ferrite modified urea-formaldehyde resin matrix material of the present invention is by aluminum oxide, TiO
2, useless brick powder lanthanum cobalt zinc magnetic ferrite composite, urea-formaldehyde resin composition.Urea-formaldehyde resin is too much, and Compound Phase reduces, and micro interface reduces, and interfacial damping effect reduces; Aluminum oxide, TiO
2, useless brick powder lanthanum cobalt zinc magnetic ferrite composite is too much, urea-formaldehyde resin reduces, and matrix damping action reduces.
Claims (3)
1. a magnetic ferrite modified urea-formaldehyde resin matrix material, is characterized in that: in this material, the weight percent of each composition is: aluminum oxide 2-15%, TiO
28-15%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22-25%, all the other are urea-formaldehyde resin;
Described useless brick powder lanthanum cobalt zinc magnetic ferrite composite is made up of by weight 1:1-1.2 give up brick powder and lanthanum cobalt zinc magnetic ferrite, and wherein in useless brick powder, the weight percent of each composition is: Al
2o
328-30%, TiO
21.4-1.8%, Fe
2o
31.8-2.2%, all the other are SiO
2;
In described lanthanum cobalt zinc magnetic ferrite, the weight percent of each composition is: ZnO
21-22wt%, Cr
2o
30.6-0.8wt%, CoO1-3wt%, MgO2-3wt%, Al
2o
30.6-0.8wt%, SiO
20.3-0.6wt%, CaO0.1-0.3wt%, La
2o
30.3-0.6wt%, all the other are Fe
2o
3.
2. magnetic ferrite modified urea-formaldehyde resin matrix material according to claim 1, is characterized in that: the particle diameter of described useless brick powder lanthanum cobalt zinc magnetic ferrite composite is 130-150 micron.
3. the preparation method of magnetic ferrite modified urea-formaldehyde resin matrix material described in claim 1, is characterized in that: the method comprises the following steps:
1) preparation of lanthanum cobalt zinc magnetic ferrite
Each raw materials by weight: ZnO
20-22wt%, Cr
2o
30.6-0.8wt%, CoO1-3wt%, MgO2-3wt%, Al
2o
30.6-0.8wt%, SiO
20.3-0.6wt%, CaO0.1-0.3wt%, La
2o
30.3-0.6wt%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried at 120-130 DEG C, after sieve after oven dry, screen cloth is 180-220 order, then pre-burning 110-125 minute at the temperature of 970-1000 DEG C, pulverize grinding after pre-burning and obtain lanthanum cobalt zinc magnetic ferrite powder, diameter of particle is 130-150 micron;
2) preparation of useless brick powder
Get the useless brick powder of above-mentioned composition, grind to form the useless brick powder powder that particle diameter is 130-150 micron, for subsequent use;
3) the useless brick powder lanthanum cobalt zinc magnetic ferrite composite of preparation
In proportion by step 2) the useless brick powder powder of gained and the lanthanum cobalt zinc magnetic ferrite powder of step 1) gained mix, then at 1230-1280 DEG C of temperature, sinter 4-7 hour, pulverize grinding after naturally cooling again and obtain the useless brick powder lanthanum cobalt zinc magnetic ferrite composite that particle diameter is 130-150 micron;
4) magnetic ferrite modified urea-formaldehyde resin matrix material is prepared
By each composition be by weight percentage: aluminum oxide 2-15%, TiO
28-15%, useless brick powder lanthanum cobalt zinc magnetic ferrite composite 22-25%, all the other are prepared burden for urea-formaldehyde resin, each raw material mixes, mixture is put into mould, then the indirect heating resistance furnace being placed in 135-145 DEG C is incubated 20-30 minute, finally takes out from mould and obtains magnetic ferrite modified urea-formaldehyde resin matrix material.
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|---|---|---|---|
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|---|---|---|---|
| CN201410189313.6A CN104109344B (en) | 2014-05-06 | 2014-05-06 | A kind of magnetic ferrite modified urea-formaldehyde resin matrix material and preparation method thereof |
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| CN104109344B true CN104109344B (en) | 2016-04-20 |
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| CN110494030B (en) * | 2019-08-28 | 2021-02-05 | 合肥工业大学 | Preparation method of resin-reinforced ferrite solid waste based broadband electromagnetic wave absorber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881395A (en) * | 2012-10-15 | 2013-01-16 | 南京信息工程大学 | Alloy magnetic material and preparation method thereof |
| CN103093915A (en) * | 2013-02-06 | 2013-05-08 | 南京信息工程大学 | High tenacity magnetic materials and preparation method of the same |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881395A (en) * | 2012-10-15 | 2013-01-16 | 南京信息工程大学 | Alloy magnetic material and preparation method thereof |
| CN103093915A (en) * | 2013-02-06 | 2013-05-08 | 南京信息工程大学 | High tenacity magnetic materials and preparation method of the same |
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