CN106433062B - Microwave absorbing material and preparation method thereof - Google Patents
Microwave absorbing material and preparation method thereof Download PDFInfo
- Publication number
- CN106433062B CN106433062B CN201610824776.4A CN201610824776A CN106433062B CN 106433062 B CN106433062 B CN 106433062B CN 201610824776 A CN201610824776 A CN 201610824776A CN 106433062 B CN106433062 B CN 106433062B
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- microwave
- absorbing material
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- steel fibre
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/08—Polyesters modified with higher fatty oils or their acids, or with resins or resin acids
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/76—Prevention of microwave leakage, e.g. door sealings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Ovens (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
It include ceramic powder, the stainless steel fibre of 5~12 parts by weight and the resin adhesive of 50~80 parts by weight of 15~40 parts by weight the invention discloses a kind of microwave absorbing material and preparation method thereof, in the microwave absorbing material.The present invention is by using the microwave absorbing material that ceramic powder, stainless steel fibre and resin adhesive are that raw material is prepared, microwave and decaying microwave can be effectively absorbed, it applies it on micro-wave oven, can effectively the microwave in micro-wave oven be absorbed and be decayed, avoid the problem that harm and microwave from leakage of the microwave to human body.
Description
Technical field
The present invention relates to micro-wave oven fields more particularly to a kind of microwave absorbing material and preparation method thereof.
Background technique
Micro-wave oven is a kind of modernization cooking kitchen range with microwave heating of food.Micro-wave oven is by power supply, magnetron, control electricity
The part such as road and cooking cavity forms.Power supply provides about 4000 volts of high pressures to magnetron, and magnetron is continuous to produce under power supply excitation
Raw microwave is coupled in cooking cavity using Wave guide system.Near the entrance of cooking cavity, there is a rotatable stirring
Device has the reflection of all directions, so can be micro- because blender is the metal of fan-shaped to microwave after rotating
Wave energy is evenly distributed in cooking cavity, to heat food.
But the problem of microwave current furnace generally existing microwave from leakage, when human body and microwave radiation source apart from it is close when, can be with
Giddy, sleep disturbance, failure of memory, bradycardia, blood pressure decline etc. by excessive radiation energy.
Summary of the invention
In view of this, the present invention provides a kind of microwave absorbing material and preparation method, the microwave absorption material being prepared
Material is applied in micro-wave oven, can be prevented microwave from leakage, be avoided injury of the microwave from leakage to human body.
The technical scheme of the present invention is realized as follows:
A kind of microwave absorbing material, the raw material including following parts by weight:
15~40 parts of ceramic powder；
5~12 parts of stainless steel fibre；
50~80 parts of resin adhesive.
Preferably, the stainless steel fibre is made of following raw material, and the C of 0.1wt%~0.8wt%, 0.1wt%~
The B of the Ti of the Si of 1.2wt%, 0.05wt%~0.15wt%, 0.06wt%~0.12wt%, surplus Fe.
It preferably, include alkyd resin, the 15wt%~35wt% of 30wt%~50wt% in the resin adhesive
The titanium dioxide of polyethylene glycol, the zinc oxide of 12wt%~20wt%, the magnesia of 2wt%~10wt% and 1wt%~5wt%
Silicon.
The present invention also provides the preparation methods of above-mentioned microwave absorbing material, and Resin adhesive is dispersed in diluent,
Ceramic powder and stainless steel fibre are added after being uniformly dispersed, 60~100min is stirred at 50~80 DEG C, obtains microwave absorbing material.
Preferably, the diluent is ethyl acetate, butanol, dibutyl ester or n-butyl acetate.
Preferably, the mixing speed is 50~60r/min.
The invention has the benefit that
It include 15~40 weights in the microwave absorbing material the present invention provides a kind of microwave absorbing material and preparation method thereof
Measure the ceramic powder, the stainless steel fibre of 5~12 parts by weight and the resin adhesive of 50~80 parts by weight of part.The present invention by using
Ceramic powder, stainless steel fibre and resin adhesive are the microwave absorbing material that raw material is prepared, and can effectively absorb microwave
With decaying microwave, applies it on micro-wave oven, can effectively the microwave in micro-wave oven be absorbed and be decayed, avoided micro-
The problem of wave is to harm and the microwave from leakage of human body.
Specific embodiment
A kind of microwave absorbing material provided by the invention, the raw material including following parts by weight:
15~40 parts of ceramic powder；
5~12 parts of stainless steel fibre；
50~80 parts of resin adhesive.
The present invention is by using the microwave absorption material that ceramic powder, stainless steel fibre and resin adhesive are that raw material is prepared
Material can effectively absorb microwave and decaying microwave, apply it on micro-wave oven, can be effectively to the microwave in micro-wave oven
It is absorbed and is decayed, avoid the problem that harm and microwave from leakage of the microwave to human body.
In the present invention, the parts by weight of ceramic powder are 15~40 parts；In an embodiment of the present invention, the weight of ceramic powder
Number is 24~32 parts.
In the present invention, the parts by weight of stainless steel fibre are 5~12 parts；In an embodiment of the present invention, stainless steel is fine
The parts by weight of dimension are 8~10 parts.
In order to further increase the attenuating of microwave, in an embodiment of the present invention, stainless steel fibre is by following raw material
Composition, the Ti of the Si of the C of 0.1wt%%~0.8wt%, 0.1wt%~1.2wt%, 0.05wt%~0.15wt%,
The B of 0.06wt%~0.12wt%, surplus Fe.
Resin adhesive can not only improve the adhesion strength of material and glutinous viscous matrix, additionally it is possible to effectively decline to microwave
Subtract, in the present invention, the parts by weight of resin adhesive are 50~80 parts；In an embodiment of the present invention, resin adhesive
Parts by weight are 60~70 parts.
In order to improve the assimilation effect to microwave, in an embodiment of the present invention, in resin adhesive include 30wt%~
The alkyd resin of 50wt%, the polyethylene glycol of 15wt%~35wt%, the zinc oxide of 12wt%~20wt%, 2wt%~
The magnesia of 10wt% and the silica of 1wt%~5wt%.
In an embodiment of the present invention, the weight percent of alkyd resin is 30%~50%；In other realities of the invention
It applies in example, the weight percent of alkyd resin is 35%~45%.
In an embodiment of the present invention, the weight percent of polyethylene glycol is 15~35%；In other implementations of the invention
In example, the weight percent of polyethylene glycol is 20%~30%.
In an embodiment of the present invention, the weight percent of zinc oxide is 12%~20%；In other implementations of the invention
In example, the weight percent of zinc oxide is 15%~18%.
In an embodiment of the present invention, the weight percent of magnesia is 2%~10%；In the other embodiment of the present invention
In, the weight percent of magnesia is 5%~8%.
In an embodiment of the present invention, the weight percent of silica is 1%~5%；In other implementations of the invention
In example, the weight percent of silica is 2%~4%.
The present invention also provides a kind of preparation methods of microwave absorbing material, include the following steps, by resin adhesive point
It is dispersed in diluent, ceramic powder and stainless steel fibre is added after being uniformly dispersed, 60~100min is stirred at 50~80 DEG C, is obtained
Microwave absorbing material.
The present invention is by the way that resin adhesive to be dispersed in diluent, then ceramic powder and stainless steel fibre are added thereto,
The uniformity of microwave absorbing material can be significantly improved；In addition, being stirred at 50~80 DEG C, can be avoided in whipping process
Bubble generates, and bubble removing process is omitted, simplifies preparation flow, has saved cost.
In an embodiment of the present invention, the mass ratio of diluent and resin adhesive is (0.5~2): 1.Of the invention
In embodiment, diluent is ethyl acetate, butanol, dibutyl ester or n-butyl acetate.
In an embodiment of the present invention, mixing speed is 50~60r/min.
In order to further illustrate the present invention, below with reference to embodiment to a kind of microwave absorbing material provided by the invention and its
Preparation method is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
By 23.5g alkyd resin, 17.5g polyethylene glycol, 7.5g zinc oxide, 1g magnesia and 0.5g silica, dispersion
In 100g ethyl acetate；15g ceramic powder is added after being uniformly dispersed thereto, 5g stainless steel fibre (includes in stainless steel fibre
The Fe of the B of the Ti of the Si of the C of 0.5wt%, 0.1wt%, 0.15wt%, 0.06wt%, 99.19wt%), it is stirred at 50 DEG C
100min obtains microwave absorbing material.
Embodiment 2
28g alkyd resin, 24g polyethylene glycol, 16g zinc oxide, 8g magnesia and 4g silica are dispersed in 40g butanol
In；Be added thereto after being uniformly dispersed 40g ceramic powder, 12g stainless steel fibre (in stainless steel fibre include 0.8wt% C,
The Fe of the B of the Ti of the Si of 0.6wt%, 0.12wt%, 0.09wt%, 98.39wt%), 80min is stirred at 80 DEG C, is obtained micro-
Wave absorbing material.
Embodiment 3
26.4g alkyd resin, 15g polyethylene glycol, 10.8g zinc oxide, 6g magnesia and 1.8g silica are dispersed in
In 60g ethyl acetate；24g ceramic powder is added after being uniformly dispersed thereto, 8g stainless steel fibre (includes in stainless steel fibre
The Fe of the B of the Ti of the Si of the C of 0.6wt%, 0.8wt%, 0.1wt%, 0.08wt%, 98.42wt%), it is stirred at 60 DEG C
60min obtains microwave absorbing material.
Embodiment 4
31.5g alkyd resin, 21g polyethylene glycol, 11.2g zinc oxide, 3.5g magnesia and 2.8g silica are dispersed
In 105g n-butyl acetate；32g ceramic powder is added after being uniformly dispersed thereto, 10g stainless steel fibre (wraps in stainless steel fibre
Include the C of 0.4wt%, the Fe of the B of the Ti of the Si of 1wt%, 0.08wt%, 0.1wt%, 98.42wt%), it is stirred at 70 DEG C
90min obtains microwave absorbing material.
Embodiment 5
32.5g alkyd resin, 9.75g polyethylene glycol, 13g zinc oxide, 6.5g magnesia and 3.25g silica are dispersed
In 52g dibutyl ester；28g ceramic powder is added after being uniformly dispersed thereto, 9g stainless steel fibre (includes in stainless steel fibre
The Fe of the B of the Ti of the Si of the C of 0.1wt%, 1.2wt%, 0.05wt%, 0.12wt%, 98.53wt%), it is stirred at 65 DEG C
80min obtains microwave absorbing material.
First the electromagnetic radiation intensity of micro-wave oven a is detected, the results are shown in Table 1；The microwave that Examples 1 to 5 is prepared again
Absorbing material is sprayed on respectively in micro-wave oven b~f, and detects the electromagnetic radiation intensity of micro-wave oven 2~6, the results are shown in Table 1.Wherein
Micro-wave oven a~f is the equipment of same producer, same model, is comparable.
Electromagnetic radiation intensity value in 1 micro-wave oven a~f of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of microwave absorbing material, which is characterized in that the raw material including following parts by weight:
15~40 parts of ceramic powder；
5~12 parts of stainless steel fibre；
50~80 parts of resin adhesive；
The polyethylene glycol of alkyd resin, 15wt%~35wt% in the resin adhesive including 30wt%~50wt%,
The silica of the zinc oxide of 12wt%~20wt%, the magnesia of 2wt%~10wt% and 1wt%~5wt%；
The stainless steel fibre is made of following raw material, the Si of the C of 0.1wt%~0.8wt%, 0.1wt%~1.2wt%,
The B of the Ti of 0.05wt%~0.15wt%, 0.06wt%~0.12wt%, surplus Fe.
2. a kind of preparation method of microwave absorbing material as described in claim 1, which is characterized in that disperse Resin adhesive
In diluent, ceramic powder and stainless steel fibre are added after being uniformly dispersed, 60~100min is stirred at 50~80 DEG C, is obtained micro-
Wave absorbing material.
3. preparation method as claimed in claim 2, which is characterized in that the mass ratio of the diluent and the resin adhesive
For (0.5~2): 1.
4. preparation method as claimed in claim 2, which is characterized in that the diluent be ethyl acetate, butanol, dibutyl ester or
N-butyl acetate.
5. preparation method as claimed in claim 2, which is characterized in that the mixing speed is 50~60r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824776.4A CN106433062B (en) | 2016-09-14 | 2016-09-14 | Microwave absorbing material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824776.4A CN106433062B (en) | 2016-09-14 | 2016-09-14 | Microwave absorbing material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106433062A CN106433062A (en) | 2017-02-22 |
| CN106433062B true CN106433062B (en) | 2019-03-22 |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101665350A (en) * | 2009-09-08 | 2010-03-10 | 美的集团有限公司 | Ceramic microwave absorbing material and preparation method and application thereof |
| CN102807801A (en) * | 2011-06-29 | 2012-12-05 | 深圳光启高等理工研究院 | Anti-radar coating and preparation method thereof |
| CN103438487A (en) * | 2013-07-26 | 2013-12-11 | 昆山荣傲伟捷贸易有限公司 | Antibacterial microwave oven furnace chamber faceplate |
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