CN108003633A - It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance - Google Patents
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance Download PDFInfo
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- CN108003633A CN108003633A CN201711378165.2A CN201711378165A CN108003633A CN 108003633 A CN108003633 A CN 108003633A CN 201711378165 A CN201711378165 A CN 201711378165A CN 108003633 A CN108003633 A CN 108003633A
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention belongs to High-molecular rubber material field, is related to a kind of silicone rubber compound, and in particular to and it is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, it is prepared from the following materials：100 parts of silicon rubber, into 20~60 parts of porcelain filling, 5~15 parts of fluxing agent, 2~4 parts of vulcanizing agent, wherein, into porcelain filling be aluminium silicate fiber peacekeeping acicular wollastonite mixture, wherein the mass ratio of aluminium silicate fiber peacekeeping acicular wollastonite be 15~25:30~40.Present invention offer is a kind of to have the excellent resistance to Ceramic silicon rubber composition for burning performance, selects the compound of aluminium silicate fiber peacekeeping acicular wollastonite to be used as into porcelain filling, to improve the heat endurance of Ceramic silicon rubber and resistance to burning property.
Description
Technical field
The invention belongs to High-molecular rubber material field, is related to a kind of silicone rubber compound, and in particular to one kind has excellent
The different resistance to Ceramic silicon rubber composition for burning performance.
Background technology
Ceramic elastomeric material is a kind of Novel fireproof material occurred in recent years, it is added necessarily in rubber matrix
Into composite material made from porcelain filling and fluxing agent, it can keep good elasticity and mechanical property, work as chance at normal temperatures
During to naked light or in hot environment, this composite material can be changed into the ceramic body with self-supporting, so as to prevent flame
Sprawling, reaches fire prevention purpose.Ceramic elastomeric material has broad application prospects, particularly the insulation material as electric wire
Material, can prevent flame from further being spread to electric wire inside, circuit is still kept unimpeded in a fire.
In numerous synthetic rubber, silicon rubber is outstanding person wherein.Silicon rubber has good electrical insulating property, resistance to
The excellent performance such as oxygen ageing resistance, fast light ageing resistance and mildew resistance, chemical stability.These superiority of silicon rubber
Can, make it that there is important application in fields such as transmission line of electricity, aerospace, mechanical part and electronic apparatus.Since silicon rubber is frequent
Need to use under conditions of high pressure, high temperature, fever, electric discharge, therefore there is higher want to silicon rubber in terms of fire resistance
Ask.But the flame-proof silicon rubber used at present, after lasting high-temp combustion, burning excess does not have mechanical strength, is likely to result in
More dangerous secondary disaster, short circuit is caused after being burnt such as the sheath of cable and insulation.
Ceramic silicon rubber refers in silicone rubber matrix addition into porcelain filling, and prepared by mixed flux, this multiple
Elasticity at normal temperatures and good mechanical properties after condensation material vulcanization, and other rubber phase ratios, are released in silicon rubber thermal decomposition process
Heat, pernicious gas and the smog put are less, its decompose the silica that participates in can as the framework material of ceramic body, therefore,
When silicon rubber is used as the basis material of ceramic elastomeric material, not only contributes to polymeric material and be transformed into heavily fortified point under the high temperature conditions
Hard ceramic body, and meet environmentally protective requirement.
At present, in Ceramic silicon rubber, there are the inorganic silicic acids such as mica, wollastonite, clay, kaolin into porcelain filling is common
Salt, the effect into porcelain filling are to improve the heat endurance of Ceramic silicon rubber, and can the conduct after silicone rubber matrix decomposition
Framework material, keeps the original shape of material and provides enough intensity.But currently used formed into porcelain filling
Ceramic body aperture is larger, and compactness is relatively low, is easy to cause oxygen infiltration or even flame occurs to basis material transmission, seriously affects
The resistance to of Ceramic silicon rubber and burn performance.
The content of the invention
According to above the deficiencies in the prior art, present invention offer is a kind of to have the excellent resistance to Ceramic silicon rubber for burning performance
Composition, selects the compound of aluminium silicate fiber peacekeeping acicular wollastonite to be used as into porcelain filling, to improve the heat of Ceramic silicon rubber
Stability and resistance to burning property.
Of the present invention a kind of have the excellent resistance to Ceramic silicon rubber composition for burning performance, it is characterised in that presses
According to parts by weight meter, it is prepared from the following materials：100 parts of silicon rubber, into 20~60 parts of porcelain filling, 5~15 parts of fluxing agent, sulphur
2~4 parts of agent, wherein, it is needle-shaped into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein aluminium silicate fiber peacekeeping
The mass ratio of wollastonite is 15~25:30~40.
In the present invention, alumina silicate fibre through resistance or electric arc furnaces melting, is blown into fine work using hard paste clinker as raw material
Skill produces, and is a kind of New type of light refractory material, which has that unit weight is light, high temperature resistant, heat endurance are good, pyroconductivity
Low, the advantages that thermal capacitance is small, resistance to mechanical is vibrated, expanded by heating is small, heat-proof quality is good.Acicular wollastonite belongs to a kind of inclined silicon of chain
Hydrochlorate, and be a kind of in threadiness, fibrillar silicate, since its special crystal habit determines its property, wollastonite has
Good insulating properties, while there is very high whiteness, good dielectric properties and higher heat-resisting, weather resistance.
Wherein, preferred solution is as follows：
The silicon rubber is in dimethyl silicone rubber, methyl vinyl silicone rubber or methyl phenyl vinyl silicone rubber
It is a kind of.
The fluxing agent is one kind in glass powder with low melting point, boron oxide or zinc borate.The fluxing agent is more preferably
Select the glass powder with low melting point that melting range is 350~650 DEG C.
The vulcanizing agent is double (2,4 dichloro benzene formyl) for peroxidating.
0.2~1.5 part of platinum catalyst is further included.Platinum catalyst is used for the crosslinking of silicon rubber.The platinum catalyst is
The complex compound of platinum dioxide, chloroplatinic acid or platinum.More preferably platinum-tetrahydrofuran complex, platinum-ethene base complex or chlorine platinum
Acid-octanol complex.
2~8 parts of hydroxy silicon oil is further included.It can make Ceramic silicon rubber prepared by the present invention that there is preferable processability
Energy.
The preparation method of Ceramic silicon rubber composition of the present invention, follows the steps below：
(1) it is kneaded by silicon rubber, into porcelain filling, fluxing agent in kneader, mixing vacuum 0MPa~
0.02MPa, 100 DEG C~150 DEG C of temperature, 100~120min of time；
(2) after above-mentioned sizing material is cooled to room temperature, then add vulcanizing agent into kneader and vulcanized, curing temperature is
160~180 DEG C, 5~15min of vulcanization time, that is, obtain that there is the excellent resistance to Ceramic silicon rubber for burning performance.
More preferably follow the steps below：
(1) it is kneaded, is kneaded in kneader by silicon rubber, into porcelain filling, fluxing agent, platinum catalyst, hydroxy silicon oil
Vacuum 0MPa~0.02MPa, 100 DEG C~150 DEG C of temperature, 100~120min of time；
(2) after above-mentioned sizing material is cooled to room temperature, then add vulcanizing agent into kneader and vulcanized, curing temperature is
160~180 DEG C, 5~15min of vulcanization time, that is, obtain that there is the excellent resistance to Ceramic silicon rubber for burning performance.
The advantage of the invention is that：The compound of aluminium silicate fiber peacekeeping acicular wollastonite, needle-shaped silicon ash are selected into porcelain filling
The aperture that the formed ceramic body of stone correspondence is formed is minimum, and average pore size is maintained at less than 15 μm, and alumina silicate fibre is in calcination
Lower edge melts, and shows the feature continuous poriferous, liquid phase bridges, promotes alumina silicate fibre, acicular wollastonite and two
Eutectic reaction between the particles such as silica, enhances cementation, so as to be formed, structure is more fine and close and uniform ceramic body,
Can blocking oxygen permeate and suppress flame to matrix transmission so that improving the resistance to of mixture burns performance.In addition, needle-shaped silicon
Ceramic body firing temperature can also be greatly lowered in lime stone, shorten firing time, while improves the idiosome intensity of ceramic body, may be used also
To improve the performances such as the tensile strength of Ceramic silicon rubber, impact strength.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 30 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
5 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating double
3 parts of (2,4- dichloro-benzoyl), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein alumina silicate
The mass ratio of fiber and acicular wollastonite is 15:30.
During preparation, follow the steps below：
(1) it is kneaded, is kneaded in kneader by silicon rubber, into porcelain filling, fluxing agent, platinum catalyst, hydroxy silicon oil
Vacuum 0.01MPa, 130 DEG C of temperature, time 120min；
(2) after above-mentioned sizing material is cooled to room temperature, then add vulcanizing agent into kneader and vulcanized, curing temperature is
180 DEG C, vulcanization time 10min, that is, obtain that there is the excellent resistance to Ceramic silicon rubber for burning performance.
Embodiment 2：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 50 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
10 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating
3 parts of double (2,4- dichloro-benzoyls), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein silicic acid
The mass ratio of aluminum fiber and acicular wollastonite is 17:33.
Prepare with embodiment 1.
Embodiment 3：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 50 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
10 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating
3 parts of double (2,4- dichloro-benzoyls), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein silicic acid
The mass ratio of aluminum fiber and acicular wollastonite is 19:31.
Prepare with embodiment 1.
Embodiment 4：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 50 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
10 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating
3 parts of double (2,4- dichloro-benzoyls), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein silicic acid
The mass ratio of aluminum fiber and acicular wollastonite is 15:35.
Prepare with embodiment 1.
Embodiment 5：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 50 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
10 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating
3 parts of double (2,4- dichloro-benzoyls), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein silicic acid
The mass ratio of aluminum fiber and acicular wollastonite is 20:30.
Prepare with embodiment 1.
Embodiment 6：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 50 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
10 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating
3 parts of double (2,4- dichloro-benzoyls), wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein silicic acid
The mass ratio of aluminum fiber and acicular wollastonite is 10:40.
Prepare with embodiment 1.
Embodiment 7：
It is a kind of that there is the excellent resistance to Ceramic silicon rubber composition for burning performance, in parts by weight, by following raw material
It is prepared：100 parts of methyl vinyl silicone rubber, to select into 60 parts of porcelain filling, fluxing agent melting range be 350~650 DEG C
8 parts of glass powder with low melting point, catalyst select 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select peroxidating double
(2,4- 3 parts of dichloro-benzoyls, wherein, into the mixture that porcelain filling is aluminium silicate fiber peacekeeping acicular wollastonite, wherein aluminium silicate fiber
The mass ratio of peacekeeping acicular wollastonite is 20:40.
Prepare with embodiment 1.
Comparative example 1：
A kind of Ceramic silicon rubber composition, in parts by weight, is prepared from the following materials：Methyl ethylene silicon
100 parts of rubber, 10 parts of glass powder with low melting point for being 350~650 DEG C into 50 parts of porcelain filling, fluxing agent selection melting range, catalysis
Agent selects 1 part of chloroplatinic acid-octanol complex, 5 parts of hydroxy silicon oil, vulcanizing agent to select 3 parts of peroxidating double (2,4- dichloro-benzoyls),
Wherein, it is mica into porcelain filling.
Prepare with embodiment 1.
Comparative example 2：
In addition into porcelain filling, formula and preparation method select aluminium silicate fiber with comparative example 1, this comparative example into porcelain filling
Dimension.
Comparative example 3：
In addition into porcelain filling, formula and preparation method select needle-shaped silicon ash with comparative example 1, this comparative example into porcelain filling
Stone.
The various embodiments described above and comparative example performance test are as follows：
Say sample prepared by embodiment 1~7 and comparative example 1~3, be put into Muffle furnace, 800~1100 DEG C of design temperature,
2~3h is kept the temperature, then takes out cooling, compactness test is carried out after cooling, it is as a result as follows：
In conclusion the compound that aluminium silicate fiber peacekeeping acicular wollastonite is selected into porcelain filling of the present invention, passes through data
As can be seen that embodiment 1~7 is shown preferably compared to comparative example 1~3 into porcelain filling and with than alone into porcelain filling
Mechanical performance, tensile strength, elongation at break, tearing strength have different degrees of raising, essentially consist in aluminium silicate fiber peacekeeping
Acicular wollastonite is respectively provided with the strengthening action to elastomeric material in itself, and when both compound, alumina silicate fibre surface exists a large amount of
Hydroxyl cause various particles mutually to adsorb to form aggregated structure, play the role of further reinforcement, therefore than individually use silicon
The comparative example 2 and 3 performance of comparative example of sour aluminum fiber and acicular wollastonite are more excellent.It is directed to for embodiment 1~7, although
The mechanical performance of embodiment 1 is optimal, but it is minimum into the addition of porcelain filling, cause residual volume and compactness be affected compared with
Greatly, embodiment 7 into porcelain filling addition highest, but excessive addition have impact on mechanical performance.In embodiment 2~6, with
Embodiment 2 behaves oneself best, and mechanical performance, residual volume and compactness are secure, and therefore, the present invention is also by aluminium silicate fiber peacekeeping
The mass ratio 17 of acicular wollastonite：33 are used as optimal selection, i.e., close to 1:2 ratio compounding.
Claims (9)
1. a kind of have the excellent resistance to Ceramic silicon rubber composition for burning performance, it is characterised in that in parts by weight, by
Following raw material is prepared：100 parts of silicon rubber, into 20~60 parts of porcelain filling, 5~15 parts of fluxing agent, 2~4 parts of vulcanizing agent, its
In, the quality into porcelain filling for the mixture, wherein aluminium silicate fiber peacekeeping acicular wollastonite of aluminium silicate fiber peacekeeping acicular wollastonite
Than for 15~25:30~40.
2. it is according to claim 1 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the silicon rubber is one kind in dimethyl silicone rubber, methyl vinyl silicone rubber or methyl phenyl vinyl silicone rubber.
3. it is according to claim 1 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the fluxing agent is one kind in glass powder with low melting point, boron oxide or zinc borate.
4. it is according to claim 3 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the fluxing agent selects the glass powder with low melting point that melting range is 350~650 DEG C.
5. it is according to claim 1 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the vulcanizing agent is double (2,4- dichloro-benzoyl) for peroxidating.
6. it is according to claim 1 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In having further included 0.2~1.5 part of platinum catalyst.
7. it is according to claim 6 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the platinum catalyst is the complex compound of platinum dioxide, chloroplatinic acid or platinum.
8. it is according to claim 7 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In the platinum catalyst is platinum-tetrahydrofuran complex, platinum-ethene base complex or chloroplatinic acid-octanol complex.
9. it is according to claim 1 it is a kind of there is the excellent resistance to Ceramic silicon rubber composition for burning performance, its feature exists
In having further included 2~8 parts of hydroxy silicon oil.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108948743A (en) * | 2018-05-14 | 2018-12-07 | 倍仕得电气科技（杭州）股份有限公司 | A kind of waterproof anti-aging Ceramic silicon rubber material, preparation method and applications |
| CN108948744A (en) * | 2018-05-14 | 2018-12-07 | 倍仕得电气科技（杭州）股份有限公司 | A kind of waterproof Ceramic silicon rubber material, preparation method and applications |
| CN109796870A (en) * | 2019-01-07 | 2019-05-24 | 上海航天精密机械研究所 | Can the porcelainization silicon rubber composite material of resistance to ablation coating and its coating preparation method |
| CN110467446A (en) * | 2019-08-28 | 2019-11-19 | 昆山市中迪新材料技术有限公司 | A kind of high temperature resistant silicon glue gasket and preparation method thereof |
| CN110862687A (en) * | 2019-11-27 | 2020-03-06 | 上海腾瑞纳化工科技有限公司 | Preparation method of ceramic fire-resistant silicone rubber composite material |
| CN111205651A (en) * | 2019-12-05 | 2020-05-29 | 宁国天运橡塑制品有限公司 | Preparation method of high-temperature-resistant silicon rubber sealing ring |
| CN112341820A (en) * | 2020-11-30 | 2021-02-09 | 北京宇航系统工程研究所 | Instantaneous high-temperature-resistant silicone rubber and preparation method thereof |
| CN113248244A (en) * | 2021-05-18 | 2021-08-13 | 国网重庆市电力公司电力科学研究院 | Low-temperature ceramic insulating material suitable for complex insulating structure and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948743A (en) * | 2018-05-14 | 2018-12-07 | 倍仕得电气科技（杭州）股份有限公司 | A kind of waterproof anti-aging Ceramic silicon rubber material, preparation method and applications |
| CN108948744A (en) * | 2018-05-14 | 2018-12-07 | 倍仕得电气科技（杭州）股份有限公司 | A kind of waterproof Ceramic silicon rubber material, preparation method and applications |
| CN109796870A (en) * | 2019-01-07 | 2019-05-24 | 上海航天精密机械研究所 | Can the porcelainization silicon rubber composite material of resistance to ablation coating and its coating preparation method |
| CN110467446A (en) * | 2019-08-28 | 2019-11-19 | 昆山市中迪新材料技术有限公司 | A kind of high temperature resistant silicon glue gasket and preparation method thereof |
| CN110467446B (en) * | 2019-08-28 | 2021-11-26 | 江苏中迪新材料技术有限公司 | High-temperature-resistant silica gel gasket and preparation method thereof |
| CN110862687A (en) * | 2019-11-27 | 2020-03-06 | 上海腾瑞纳化工科技有限公司 | Preparation method of ceramic fire-resistant silicone rubber composite material |
| CN111205651A (en) * | 2019-12-05 | 2020-05-29 | 宁国天运橡塑制品有限公司 | Preparation method of high-temperature-resistant silicon rubber sealing ring |
| CN112341820A (en) * | 2020-11-30 | 2021-02-09 | 北京宇航系统工程研究所 | Instantaneous high-temperature-resistant silicone rubber and preparation method thereof |
| CN113248244A (en) * | 2021-05-18 | 2021-08-13 | 国网重庆市电力公司电力科学研究院 | Low-temperature ceramic insulating material suitable for complex insulating structure and preparation method thereof |
| CN113248244B (en) * | 2021-05-18 | 2023-01-20 | 国网重庆市电力公司电力科学研究院 | Low-temperature ceramic insulating material suitable for complex insulating structure and preparation method thereof |
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