CN110330266A - New energy resource power battery relay ceramic material and preparation method thereof - Google Patents
New energy resource power battery relay ceramic material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/12—Condensation polymers of aldehydes or ketones
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/18—Polyesters; Polycarbonates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention provides a kind of new energy resource power battery relay ceramic material and preparation method thereof, and component meter by weight includes following component: 15~20 parts of Co；20~30 parts of NbC；TiB220~30 parts；30~40 parts of AlN；40~50 parts of filled high polymer polymer；5~8 parts of cross-linked binder；3~4 parts of coupling agent；Chitosan acetic acid -3~6 parts of polyethyleneimine；9~12 parts of hydroxyapatite；2~3 parts of sodium tartrate；0.5~1.5 part of pelopon A.Ceramic material provided by the invention had not only had metallic conduction mutually but also had had high molecular polymer insulation phase, had the characteristics that electric current breaking capacity is big, compressive resistance is high, anti-flame weldering performance is good, high conductivity, high heat conductance, electrical arc erosion rate is low, shutting off is worth low, higher mechanical strength, resistance to deformation and wear resistance.
Description
Technical field
The invention belongs to inorganic ceramic material fields more particularly to a kind of relay ceramic material and preparation method thereof.
Background technique
With the development of material progress, people are growing day by day to the degree of dependence and demand of electric power.Electric switch, relay
Device controls the movement and stopping of electrical equipment by the method for switching, isolation, disconnection, connection or conversion circuit, has open circuit
Protection, overload protection, control and isolation function, be widely used in the fields such as national defence, industry, be in various kinds of equipment and circuit
Important Components, in daily life, production have extremely important status.
New-energy automobile is gradually from research and development to batch production status transition, therefore reasonable employment and appearance event to each components
More stringent requirements are proposed for discovery in time after barrier.New-energy automobile mainly includes pure electric automobile and hybrid vehicle no matter
Which kind of vehicle requires power battery as energy storage device, recycles as kinetic energy and energy-optimised.The relay of power battery with
Relay used in orthodox car is different, it has the characteristics that carrying voltage is high, current-carrying load is big, control logic is complicated.
In addition, China at present all kinds of electric switches annual value of production reach several hundred hundred million yuan, wherein the demand of contact material be number
Hundred tons.Electrical contact is the critical elements of switch, relay, electrical connection and electrical connector block, plays conducting, carrying and disjunction
The effect of electric current, performance directly affect reliability, stability and the accuracy of conducting system work.Ideal electrical contact material
Material must have good physical property, mechanical property, electrical contact performance and chemical property etc..
In all kinds of electric switches, vacuum switch is with small in size, light-weight, safe and reliable, pollution-free, the service life is long, is easy to
The advantage of many protrusions such as maintenance is extremely extensive by the application of favor vacuum switch in electric switch, and with its people
Economic fast development, usage amount increase sharply.The main performance index of vacuum switch and its contact includes breaking capacity, cuts
Flow valuve, it is anti-scrupulously and respectfully property, arc resistant burn candle property, abrasion resistance properties etc..Vacuum switch can generate electric arc in breaking current, in electric arc
Under effect, contact material locally dissolves and generates splash, eventually results in contact deformation failure.
When the distributed components of contact material, when having high electrical and thermal conductivity performance, the electric arc that drop-out current generates is just
It will not gather and generate hot-spot area, can fail to avoid disjunction, improve breaking capacity and its arc resistant ablation ability.
There is many incompatibilities for Property requirements of the vacuum switch to contact material, how to prepare one kind and have electric current disjunction energy
Power is big, compressive resistance is high, anti-flame weldering performance is good, high conductivity, high heat conductance, electrical arc erosion rate are low and shuts off and is worth the features such as low
Low-vacuum load-tripping device switch contacts ceramic material becomes technical problem urgently to be solved.
Summary of the invention
The present invention in view of the foregoing drawbacks, provides a kind of electric current point with metallic conduction phase with high molecular polymer insulation phase
Cutting capacity is big, compressive resistance is high, anti-flame weldering performance is good, high conductivity, high heat conductance, electrical arc erosion rate are low and shuts off and is worth low gold
Belong to base composite nano low-vacuum load-tripping device ceramic material.
The invention provides the following technical scheme: metal-based compound nano vacuum relay ceramic material, by weight component meter
Including following component:
It is further limited as of the invention, the filled high polymer polymer is that filler is uniformly filled in the high score
In the network base structure that sub- polymer is formed, the preparation method of the filled high polymer polymer the following steps are included:
S1: 50mg polyoxyethylene grafting poiyoxypropylene copolymer is dissolved in 4 DEG C of 5~10ml of distilled water, by 4~5M
High molecular polymer, stir 50~70min after, be separately added into the N of 0.3~0.4M, N '-methylene-bis-acrylamide, 0.8
The potassium peroxydisulfate of~1.0M and the N of 0.4~0.5M, N, N ', N '-tetramethylethylenediamine forms high molecular polymer network matrix
Structure colloid；
S2: the high molecular polymer network base structure colloid that the step S1 is obtained is dissolved in distilled water, is formed dense
The colloidal solution that degree is 50~55%；
Pentanediol is added in the colloidal solution that S3: Xiang Suoshu S2 step obtains, after stirring 1~2min, filler powder is added
End gradually increases stirring frequency to 100~300r/min, after stirring 15~20min under the frequency amplification of 45~50r/min
Dimethyl sulfoxide is added, is dried to obtain filled high polymer polymer in being dried in vacuo under environment.
It is further limited as of the invention, the filler is one of inorganic salts, metal or metal oxide
Or it is several.
It is further limited as of the invention, the inorganic salt filler is tricalcium phosphate, magnesium sulfate, ammonium vanadate, nitrous
One or more of sour cobalt potassium.
It is further limited as of the invention, the metal is one or more of Ni, Ti, Cu, Al, Lu.
It is further limited as of the invention, the metal oxide is zirconium oxide, beryllium oxide, one in yttria
Kind is several.
It is further limited as of the invention, the high molecular polymer is polyamide, high density polyethylene (HDPE), hydroxy cyclohexylphenyl
Base phenyl ketone, styrene/one of acrylamide copolymer or polysiloxanes or a variety of.
It is further limited as of the invention, the preparation method of the chitosan acetic acid-polyethyleneimine includes following step
It is rapid:
S1: 1~2g Chitosan powder is dissolved in the acetic acid solution that 80~120ml volume fraction is 1%, obtains chitosan
Polyethylene is added into the chitosan acetic acid solution according to the ratio that percent weight in volume is 5%~15% in acetic acid solution
Imines stirs 5~10min；
The hypophosphorous acid of 0.25~0.5M of addition in the mixed solution that S2: Xiang Suoshu S1 step obtains, room temperature processing 18~for 24 hours
It is dried afterwards in 5~10h of vacuum drying oven, obtains chitosan acetic acid-polyethyleneimine polymers.
It is further limited as of the invention, the cross-linked binder is polyether-ether-ketone, polymethyl methacrylate or two
One or more of isopropyl alkenyloxy group diphenyl silane.
It is further limited as of the invention, the coupling agent uses titanate coupling agent, such as PN-101, PN-130；Or
Organo silane coupling agent, such as KH-550, KH-560.
The present invention also provides the preparation methods of above-mentioned metal-based compound nano vacuum relay ceramic material, including following step
It is rapid:
S1: by Co, NbC, TiB of the parts by weight2, AlN powder be dissolved in w/v be 10% sodium hydroxide it is molten
In liquid, after 5ml~10ml acetone is added, after stirring 1h, the silver nitrate solution that w/v is 2~5% is added, adjusts pH and exists
10~12, the solution colloid that 15~20ml formaldehyde carries out metal powder is added；
It is added the coupling agent of the ratio in the colloid metallic solution that S2: Xiang Suoshu S1 step obtains, stirring 5~
After 10min, chitosan acetic acid-polyethyleneimine of the ratio is added, formaldehyde is added and 5~10min of stirring obtains chitosan
Acetic acid-polyethyleneimine cladding colloid metallic microspheres solution, is added ethanol washing twice；
Be added in the colloid metallic microspheres solution that S3: Xiang Suoshu S2 step obtains the component hydroxyapatite, ten
Dialkyl benzene sulfonic acids sodium salt, sodium tartrate, after stirring 10~15min, cross-linked binder and the filling for adding the ratio are high
Molecularly Imprinted Polymer；
Benzoyl peroxide is added in the mixture that S4: Xiang Suoshu S3 step obtains, is mixed in single screw extrusion machine, it is single
Lamella ceramic material is placed in baking oven in 100~110 DEG C of 5~10min of preheating, then using hot press in 140 DEG C~150 DEG C
10min~15min is preheated, 200~250kg/cm is forced into3Post-process 30~40min, be made metal-based compound nano vacuum after
Electric ceramic material.
The invention has the benefit that
1) present invention uses Co metal composite NbC, TiB2And after AlN forms metal-based compound colloid metallic microspheres,
Again by conjunction with the chitosan of preparation acetic acid-polyethyleneimine polymers film coated, chitosan acetic acid-polyethyleneimine shape
At intermediate course, it is eventually adding after hydroxyapatite, neopelex and sodium tartrate by training adhesive and filling out
It fills high molecular polymer and carries out cross-linked polymeric, internal layer substance is coated as outermost layer covering material and sealed by filled high polymer polymer
Dress forms the metal-based compound nano vacuum relay ceramics not only with metallic conduction phase but also with high molecular polymer insulation phase
Material can reach matched seal with relay, make have good insulating properties between casing of relay and electrode, and can have
It is conductive, reach lower contact resistance and stabilization, allows temperature rise higher.
2) high molecular polymer insulation can mutually make low-vacuum load-tripping device switch contact have low electrical and thermal conductivity performance, eutectic
Point reaches and extends time existing for electric arc in fragmentation procedure to reduce the technical effect for value raising electric current breaking capacity of shutting off, and
And since high molecular polymer can make ceramic material mechanical strength with higher, resistance to deformation and wear resistance；Metal is led
Electric phase can be improved the conductivity and thermal conductivity of low-vacuum load-tripping device contact switch due to using colloid metal nano microballoon
Rate, and then play and improve thermal stability, compressive resistance and the technical effect for reducing electrical arc erosion rate.
3) high as linking colloid metal nano microballoon and filling using chitosan acetic acid-polyethyleneimine intermediate course
The effect of Molecularly Imprinted Polymer, it is inorganic that sintering method introduces hydroxyapatite, neopelex and sodium tartrate in the process
Salt plays the role of filled high polymer polymer support and adhesive using the decomposition of inorganic salts during the sintering process.
4) using metal-base composites prepared by the present invention have mitigate weight, improve mechanical property, improve creep and
The advantages that anti-fatigue performance.These advantages facilitate material with high intensity, elevated operating temperature, good electric conductivity and thermally conductive
Property, and outlet and hygroscopicity are reduced, the sealed nature and service life of low-vacuum load-tripping device can be effectively improved.
5) the superfine ceramic particle for being uniformly distributed and dispersing is introduced in metallic matrix, forms metal pottery during the sintering process
The preparation method of porcelain composite material enhances the intensity of final ceramic-metal composite due to the introducing of ceramic particle.It is raw
Production method is quick, low cost.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of metal-based compound nano vacuum relay ceramic material provided by the invention, component meter by weight includes following
Ingredient:
Wherein, tricalcium phosphate-polysiloxanes high molecular polymer is that inorganic salts filler-tricalcium phosphate is uniformly filled
In the network base structure that high molecular polymer-polysiloxanes is formed, tricalcium phosphate-polysiloxanes high molecular polymer
Preparation method the following steps are included:
S1: 50mg polyoxyethylene grafting poiyoxypropylene copolymer is dissolved in 4 DEG C of 5ml of distilled water, by the macromolecule of 4M
Polymer is separately added into the N of 0.3M, the potassium peroxydisulfate and 0.4M of N '-methylene-bis-acrylamide, 0.8M after stirring 50min
N, N, N ', N '-tetramethylethylenediamine, formed polysiloxanes high molecular polymer network base structure colloid；
S2: the polysiloxanes high molecular polymer network base structure colloid that step S1 is obtained is dissolved in distilled water, shape
The colloidal solution for being 50% at concentration；
S3: being added pentanediol in the colloidal solution obtained to S2 step, after stirring 1min, inorganic salt filler phosphoric acid is added
Three calcium powders gradually increase stirring frequency to 100r/min under the frequency amplification of 45r/min, diformazan are added after stirring 15min
Sulfoxide is dried to obtain tricalcium phosphate-polysiloxanes high molecular polymer in being dried in vacuo under environment.
Wherein, chitosan acetic acid-polyethyleneimine preparation method the following steps are included:
S1: 1g Chitosan powder is dissolved in the acetic acid solution that 80ml volume fraction is 1%, it is molten obtains chitosan acetic acid
Polyethyleneimine is added into chitosan acetic acid solution according to the ratio that percent weight in volume is 5%, stirs 5min for liquid；
S2: in the mixed solution obtained to S1 step be added 0.25M hypophosphorous acid, room temperature handle 18h after in vacuum drying oven
5h drying, obtains chitosan acetic acid-polyethyleneimine polymers.
The preparation method of above-mentioned metal-based compound nano vacuum relay ceramic material provided in this embodiment, including it is following
Step:
S1: by Co, NbC, TiB of above-mentioned parts by weight2, AlN powder be dissolved in w/v be 10% sodium hydroxide it is molten
In liquid, after 5ml acetone is added, after stirring 1h, the silver nitrate solution that w/v is 2% is added, adjusts pH 10, is added
The solution colloid of 15ml formaldehyde progress metal powder；
S2: the coupling agent of aforementioned proportion being added into the colloid metallic solution that S1 step obtains, and after stirring 5min, is added
Chitosan acetic acid-polyethyleneimine of aforementioned proportion is added formaldehyde and stirs 5min and obtain chitosan acetic acid-polyethyleneimine
Ethanol washing is added twice in the colloid metallic microspheres solution of cladding；
S3: hydroxyapatite, the detergent alkylate of component are added into the colloid metallic microspheres solution that S2 step obtains
Sulfonate sodium, sodium tartrate after stirring 10min, add the cross-linked binder polyether-ether-ketone and the poly- silicon of tricalcium phosphate-of ratio
Oxygen alkane high molecular polymer；
S4: benzoyl peroxide is added in the mixture obtained to S3 step, is mixed in single screw extrusion machine, monolithic layer
Ceramic material is placed in baking oven in 100 DEG C of preheating 5min, is then forced into using hot press in 140 DEG C of preheating 10min
200kg/cm330min is post-processed, metal-based compound nano vacuum relay ceramic material is made.
Embodiment 2
A kind of metal-based compound nano vacuum relay ceramic material provided by the invention, component meter by weight includes following
Ingredient:
Wherein, Ni-polyamide high molecular polymer is uniformly filled in high molecular polymer-for metal filler-Ni and gathers
Amide formed network base structure in, Ni-polyamide high molecular polymer preparation method the following steps are included:
S1: 50mg polyoxyethylene grafting poiyoxypropylene copolymer is dissolved in 4 DEG C of 7.5ml of distilled water, by the poly- of 4.5M
Amide high molecular polymer is separately added into the N of 0.35M, the mistake of N '-methylene-bis-acrylamide, 0.9M after stirring 60min
The N of potassium sulfate and 0.45M, N, N ', N '-tetramethylethylenediamine forms polyamide high molecular polymer network base structure colloid；
S2: the polyamide high molecular polymer network base structure colloid that step S1 is obtained is dissolved in distilled water, is formed
The colloidal solution that concentration is 53%；
S3: being added pentanediol in the colloidal solution obtained to S2 step, after stirring 1~2min, metal filler Ni is added
Powder gradually increases stirring frequency to 200r/min under the frequency amplification of 47.5r/min, diformazan is added after stirring 17.5min
Sulfoxide is dried to obtain Ni-polyamide high molecular polymer in being dried in vacuo under environment.
Wherein, chitosan acetic acid-polyethyleneimine preparation method the following steps are included:
S1: 1.5g Chitosan powder is dissolved in the acetic acid solution that 100ml volume fraction is 1%, obtains chitosan acetic acid
Solution is added polyethyleneimine into the chitosan acetic acid solution according to the ratio that percent weight in volume is 10%, stirs
7.5min；
S2: being added the hypophosphorous acid of 0.375M in the mixed solution obtained to S1 step, room temperature dries after handling 21h in vacuum
Case 7.5h drying, obtains chitosan acetic acid-polyethyleneimine polymers.
The preparation method of metal-based compound nano vacuum relay ceramic material provided in this embodiment, including following step
It is rapid:
S1: by Co, NbC, TiB of above-mentioned parts by weight2, AlN powder be dissolved in w/v be 10% sodium hydroxide it is molten
In liquid, after 7.5ml acetone is added, after stirring 1h, the silver nitrate solution that w/v is 3.5% is added, adjusts pH 11, adds
Enter the solution colloid that 17.5ml formaldehyde carries out metal powder；
S2: the coupling agent of aforementioned proportion being added into the colloid metallic solution that S1 step obtains, after stirring 7.5min,
Chitosan acetic acid-polyethyleneimine of aforementioned proportion is added, formaldehyde is added and stirs 7.5min and obtains chitosan acetic acid-poly- second
The colloid metallic microspheres solution of alkene imines cladding, is added ethanol washing twice；
S3: hydroxyapatite, the dodecane of said components are added into the colloid metallic microspheres solution that S2 step obtains
Base benzene sulfonic acid sodium salt, sodium tartrate add the cross-linked binder poly-methyl methacrylate of aforementioned proportion after stirring 12.5min
Ester and Ni-polyamide high molecular polymer.
S4: benzoyl peroxide is added in the mixture obtained to S3 step, is mixed in single screw extrusion machine, monolithic layer
Ceramic material is placed in baking oven in 105 DEG C of preheating 7.5min, is then forced into using hot press in 145 DEG C of preheating 12.5min
225kg/cm335min is post-processed, metal-based compound nano vacuum relay ceramic material is made.
Embodiment 3
A kind of metal-based compound nano vacuum relay ceramic material provided by the invention, component meter by weight includes following
Ingredient:
Wherein, the filled high polymer polymer is that filler-yttria is uniformly filled in styrene/acryloyl
In the network base structure that amine copolymer object high molecular polymer is formed, the yttria-styrene/acrylamide high score
The preparation method of sub- polymer the following steps are included:
S1: 50mg polyoxyethylene grafting poiyoxypropylene copolymer is dissolved in 4 DEG C of 10ml of distilled water, by the benzene second of 5M
Alkene/acrylamide high molecular polymer is separately added into the N of 0.4M after stirring 70min, N '-methylene-bis-acrylamide,
The potassium peroxydisulfate of 1.0M and the N of 0.5M, N, N ', N '-tetramethylethylenediamine forms styrene/acrylamide high molecular polymer
Network base structure colloid；
S2: styrene/acrylamide high molecular polymer network base structure colloid that step S1 is obtained is dissolved in distillation
In water, the colloidal solution that concentration is 55% is formed；
S3: being added pentanediol in the colloidal solution obtained to S2 step, after stirring 2min, metal oxide filler is added
Yttria powder gradually increases stirring frequency to 300r/min under the frequency amplification of 450r/min, adds after stirring 20min
Enter dimethyl sulfoxide, is dried to obtain yttria-styrene/acrylamide high molecular polymer in being dried in vacuo under environment.
Wherein, chitosan acetic acid-polyethyleneimine preparation method the following steps are included:
S1: 2g Chitosan powder is dissolved in the acetic acid solution that 120ml volume fraction is 1%, it is molten obtains chitosan acetic acid
Liquid is added polyethyleneimine into the chitosan acetic acid solution according to the ratio that percent weight in volume is 15%, stirs
10min；
S2: the hypophosphorous acid of 0.5M is added in the mixed solution obtained to S1 step, in vacuum drying oven after room temperature processing for 24 hours
10h drying, obtains chitosan acetic acid-polyethyleneimine polymers.
The preparation method of above-mentioned metal-based compound nano vacuum relay ceramic material provided in this embodiment, including it is following
Step:
S1: by Co, NbC, TiB of above-mentioned parts by weight2, AlN powder be dissolved in w/v be 10% sodium hydroxide it is molten
In liquid, after 10ml acetone is added, after stirring 1h, the silver nitrate solution that w/v is 5% is added, adjusts pH 12, is added
The solution colloid of 20ml formaldehyde progress metal powder；
The coupling agent of the ratio is added in the colloid metallic solution that S2: Xiang Shangshu S1 step obtains, stirs 10min
Afterwards, it is added chitosan acetic acid-polyethyleneimine of the ratio, formaldehyde is added and stirs 10min to obtain chitosan acetic acid-poly-
The colloid metallic microspheres solution of aziridine cladding, is added ethanol washing twice；
The hydroxyapatite of addition said components, ten in the colloid metallic microspheres solution that S3: Xiang Shangshu S2 step obtains
Dialkyl benzene sulfonic acids sodium salt, sodium tartrate add the above-mentioned cross-linked binder diisopropyl alkene oxygen for stating ratio after stirring 15min
Base diphenyl silane and yttria-styrene/acrylamide high molecular polymer.
Benzoyl peroxide is added in the mixture that S4: Xiang Shangshu S3 step obtains, is mixed in single screw extrusion machine, it is single
Lamella ceramic material is placed in baking oven in 110 DEG C of preheating 10min, then using hot press in 150 DEG C of preheating 15min, pressurization
To 250kg/cm340min is post-processed, metal-based compound nano vacuum relay ceramic material is made.
Comparative example 1
The metal-based compound nano vacuum relay ceramic material and Chinese patent provided using 1-3 of the embodiment of the present invention
201410316175.3 embodiments 3 provide the vacuum-packed high-capacity direct current relay ceramic shell material of kind as a comparison case,
The mechanics of ceramic material provided by 1-3 of the embodiment of the present invention and comparative example 1 is tested with electric property, is detected respectively
Density, bending strength, fracture toughness, hardness and the resistivity of ceramic material.It the results are shown in Table 1.
Table 1
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Density | 97.94% | 98.85% | 99.50% | 95.23% |
| Bending strength | 1322MPa | 1327MPa | 1456MPa | 912MPa |
| Fracture toughness | 11.35MPa·m1/2 | 12.71MPa·m1/2 | 13.25MPa·m1/2 | 8.37MPa·m1/2 |
| Hardness | 12.04GPa | 11.15GPa | 10.45GPa | 13.77GPa |
| Resistivity | 2631Ω·cm | 2257Ω·cm | 1846Ω·cm | 3492Ω·cm |
Comparative example 2
The metal-based compound nano vacuum relay ceramic material and Chinese patent provided using 1-3 of the embodiment of the present invention
201410316175.3 embodiments 3 provide the vacuum-packed high-capacity direct current relay ceramic shell material of kind as a comparison case,
Test can be carried out to the electrical contact of ceramic material provided by 1-3 of the embodiment of the present invention and comparative example 1, respectively detection ceramics
Value of shutting off, breaking capacity, pressure voltage and the Burning corrosion resistance energy of material.It the results are shown in Table 2.
Table 2
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of relay ceramic material, which is characterized in that component meter by weight includes following component:
2. relay ceramic material according to claim 1, which is characterized in that the filled high polymer polymer is filling
Agent is uniformly filled in the network base structure that the high molecular polymer is formed, the preparation side of the filled high polymer polymer
Method the following steps are included:
S1: 50mg polyoxyethylene grafting poiyoxypropylene copolymer is dissolved in 5~10ml4 DEG C of distilled water, by the high score of 4~5M
Sub- polymer is separately added into the N of 0.3~0.4M, N '-methylene-bis-acrylamide, 0.8~1.0M after stirring 50~70min
Potassium peroxydisulfate and 0.4~0.5M N, N, N ', N '-tetramethylethylenediamine, formed high molecular polymer network base structure glue
Body；
S2: the high molecular polymer network base structure colloid that the step S1 is obtained is dissolved in distilled water, forming concentration is
50~55% colloidal solution；
Pentanediol is added in the colloidal solution that S3: Xiang Suoshu S2 step obtains, after stirring 1~2min, filler powder is added,
Stirring frequency is gradually increased under the frequency amplification of 45~50r/min to 100~300r/min, is added two after stirring 15~20min
First sulfoxide is dried to obtain filled high polymer polymer in being dried in vacuo under environment.
3. relay ceramic material according to claim 2, which is characterized in that the filler is inorganic salts, metal
Or one or more of metal oxide.
4. relay ceramic material according to claim 3, which is characterized in that the inorganic salt filler is tricresyl phosphate
One or more of calcium, magnesium sulfate, ammonium vanadate, cobalt potassium nitrite.
5. relay ceramic material according to claim 3, which is characterized in that the metal is in Ni, Ti, Cu, Al, Lu
One or more.
6. relay ceramic material according to claim 3, which is characterized in that the metal oxide is zirconium oxide, oxygen
Change one or more of beryllium, yttria.
7. according to the relay ceramic material any in claim 2, which is characterized in that the high molecular polymer is poly-
Amide, high density polyethylene (HDPE), hydroxycyclohexylphenylketone, styrene/one of acrylamide copolymer or polysiloxanes or
It is a variety of.
8. according to the relay ceramic material any in claim 2-6, which is characterized in that the chitosan acetic acid-is poly-
The preparation method of aziridine the following steps are included:
S1: 1~2g Chitosan powder is dissolved in the acetic acid solution that 80~120ml volume fraction is 1%, obtains chitosan acetic acid
Solution is added polyethyleneimine into the chitosan acetic acid solution according to the ratio that percent weight in volume is 5~15%, stirs
Mix 5~10min；
In the mixed solution that S2: Xiang Suoshu S1 step obtains be added 0.25~0.5M hypophosphorous acid, room temperature processing 18~for 24 hours after in
5~10h of vacuum drying oven drying, obtains chitosan acetic acid-polyethyleneimine polymers.
9. relay ceramic material according to claim 1, which is characterized in that the cross-linked binder be polyether-ether-ketone,
One or more of polymethyl methacrylate or diisopropyl alkenyloxy group diphenyl silane.
10. a kind of preparation method of relay ceramic material according to claim 1, which is characterized in that including following step
It is rapid:
S1: by Co, NbC, TiB of the parts by weight2, AlN powder be dissolved in w/v be 10% sodium hydroxide solution in,
After 5~10ml acetone is added, after stirring 1h, the silver nitrate solution that w/v is 2~5% is added, adjusts pH 10~12,
The solution colloid that 15~20ml formaldehyde carries out metal powder is added；
The coupling agent of the ratio is added in the colloid metallic solution that S2: Xiang Suoshu S1 step obtains, after stirring 5~10min,
Chitosan acetic acid-polyethyleneimine of the ratio is added, formaldehyde is added and 5~10min of stirring obtains chitosan acetic acid-poly- second
The colloid metallic microspheres solution of alkene imines cladding, is added ethanol washing twice；
Hydroxyapatite, the dodecane of the component are added in the colloid metallic microspheres solution that S3: Xiang Suoshu S2 step obtains
Base benzene sulfonic acid sodium salt, sodium tartrate add the cross-linked binder and filled high polymer of the ratio after stirring 10~15min
Polymer.
Benzoyl peroxide is added in the mixture that S4: Xiang Suoshu S3 step obtains, is mixed in single screw extrusion machine, monolithic layer
Ceramic material is placed in baking oven in 100~110 DEG C of 5~10min of preheating, is then preheated using hot press in 140~150 DEG C
10min~15min is forced into 200~250kg/cm330~40min is post-processed, metal-based compound nano vacuum relay is made
Ceramic material.
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| CN112811882A (en) * | 2021-01-11 | 2021-05-18 | 湖南省美程陶瓷科技有限公司 | High-stability sensor ceramic material and preparation method thereof |
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