CN110510987A - A kind of high temperature resistant aeroge heat-barrier material and preparation method thereof - Google Patents
A kind of high temperature resistant aeroge heat-barrier material and preparation method thereof Download PDFInfo
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- CN110510987A CN110510987A CN201910838242.0A CN201910838242A CN110510987A CN 110510987 A CN110510987 A CN 110510987A CN 201910838242 A CN201910838242 A CN 201910838242A CN 110510987 A CN110510987 A CN 110510987A
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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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
Abstract
The invention discloses a kind of high temperature resistant aeroge heat-barrier materials and preparation method thereof, including following quality is than composition: 100-110 parts of aerosils, 30-40 parts of organic phenols-aldehydes aeroge, 20-30 parts of reinforcing fibers, 20-25 parts of foamed ceramics composite materials, the first modifying agent of 10-12 part, the second modifying agent of 20-25 part, 8-12 parts of dispersing agents and 150-160 parts of deionized waters；The high temperature resistance for the high temperature resistant aeroge heat-barrier material that the present invention prepares is good, by the way that reinforcing fiber and foamed ceramics composite material etc. is added as auxiliary added material, it can effectively improve the toughness of high temperature resistant aeroge heat-barrier material, it is not easy to crack during the preparation process, by carrying out surface modification treatment to wet gel, high temperature resistant aeroge heat-barrier material and other materials interface cohesion mechanics performance can be significantly improved under the premise of retaining high temperature resistant aeroge heat-barrier material excellent properties.
Description
Technical field
The present invention relates to heat-barrier material fields more particularly to a kind of high temperature resistant aeroge heat-barrier material and preparation method thereof.
Background technique
Aerogel heat-proof composite material is as a kind of novel heat insulation material, by each the features such as because of its lightweight, effectively insulating
The favor of state aeronautical field investigation of materials person, especially siloxy aerogel material have obtained extensive research and application, such as
It is those skilled in the art that, which improves the temperature tolerance of aerogel heat-proof composite material, high temperature oxidation resistance to improve high temperature insulating effect,
The technical issues of member extremely pays close attention to；
There is certain journey in high temperature resistance, heat-proof quality and the mechanical property of traditional high temperature resistant aeroge heat-barrier material
How defect on degree, improve traditional high temperature resistant aeroge heat-barrier material high temperature resistance, and heat-proof quality and mechanical property lack
Sunken problem, to obtain the high temperature resistant aeroge heat-barrier material of more high combination property, it appears it is particularly significant, while aerogel material
Itself has great brittleness, and preparation process can inevitably crack, its performance is caused to be affected, therefore, this hair
It is bright to propose a kind of high temperature resistant aeroge heat-barrier material and preparation method thereof, to solve shortcoming in the prior art.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of high temperature resistant aeroge heat-barrier material and preparation method thereof, prepare
The high temperature resistance of high temperature resistant aeroge heat-barrier material is good, by the way that reinforcing fiber and foamed ceramics composite material etc. is added as auxiliary
Added material is helped, can effectively improve the toughness of high temperature resistant aeroge heat-barrier material, is not easy to crack during the preparation process, is led to
It crosses and surface modification treatment is carried out to wet gel, can be shown under the premise of retaining high temperature resistant aeroge heat-barrier material excellent properties
It writes and improves high temperature resistant aeroge heat-barrier material and other materials interface cohesion mechanics performance.
The present invention proposes a kind of high temperature resistant aeroge heat-barrier material, including following quality than composition: 100-110 parts of titanium dioxides
Silica aerogel, 30-40 parts of organic phenol-aldehydes aeroges, 20-30 parts of reinforcing fibers, 20-25 parts of foamed ceramics composite materials, 5-
10 parts of boron carbides, 6-8 parts of silicon carbide, 6-8 parts of boron nitride, 6-8 parts of brucite fibers, 15-20 parts of sodium carbonate, 10-12 part first
Modifying agent, the second modifying agent of 20-25 part, 8-12 parts of dispersing agents and 150-160 parts of deionized waters.
Further improvement lies in that: including following quality than composition: 105 parts of aerosils, 35 parts of organic phenol-aldehydes
Aeroge, 25 parts of reinforcing fibers, 22 parts of foamed ceramics composite materials, 8 parts of boron carbides, 7 parts of silicon carbide, 7 parts of boron nitride, 7 parts of water
Magnesite fiber, 18 parts of sodium carbonate, 11 part of first modifying agent, 22 part of second modifying agent, 10 parts of dispersing agents and 155 parts of deionized waters.
Further improvement lies in that: the reinforcing fiber includes carbon fiber, asbestos fibre, glass fibre and graphite fibre, institute
State the first modifying agent be n-hexane, second modifying agent be the modifying agent be trim,ethylchlorosilane, hexamethyldisilazane,
One of hexamethyldisiloxane, methyltrimethoxysilane or a variety of mixtures.
Further improvement lies in that: the foamed ceramics composite material be tetraethoxysilance, second alcohol and water mixing after with ceramics
After fiber is mixed according to the ratio of 1:10, foamed ceramics internal gelation shape is filled into using vacuum maceration technology
At foamed ceramics composite material.
A kind of preparation method of high temperature resistant aeroge heat-barrier material, comprising the following steps:
Step 1: brucite fiber and dispersing agent are mixed, and split point to brucite fiber；
Step 2: the brucite fiber after splitting point and reinforcing fiber are spread using mold according to certain putting in order
Row, then the brucite fiber arranged is fixed with reinforcing fiber using mold, obtains composite fibre；
Step 3: 2/3rds deionized water being mixed with the first modifying agent, obtains diluting modification agent, then will
Composite fibre carries out decompression immersion in diluting modification agent, is then filtered, and recycles filtrate, obtains wet composite fibre；
Step 4: preparing pretreatment liquid, and the deionized water of sodium carbonate and one third is mixed, is then allowed to stand
Wet composite fibre is impregnated after 1-2 days, then filters out filtrate, leaves and takes wet composite fibre；
Step 5: boron carbide, silicon carbide and boron nitride are subjected to mixed grinding, hardening agent is made, then utilizes hardening agent
Mixing cladding is carried out to wet composite fibre, strengthened wet composite fibre；
Step 6: aerosil and organic phenol-aldehydes aeroge are added in reaction kettle and mixed, then will be strong
Dampness elimination composite fibre and foamed ceramics composite material, which are added in reaction kettle, to be mixed, and is then dispersed, obtains wet gel；
Step 7: being successively aged wet gel using the second modifying agent, then to the wet gel after ageing successively into
Row aging, surface is modified and is dried, and high temperature resistant aeroge heat-barrier material is made.
Further improvement lies in that: when carrying out composite fibre to depressurize immersion in diluting modification agent in the step 3, control
System decompression, which is immersed in sealing container, to be carried out, and controlling temperature in sealing container is 38-45 degrees Celsius, and pressure is 0.82-0.85 million
Pa, soaking time are 40-60 minutes.
Further improvement lies in that: the deionized water of sodium carbonate and one third is mixed in the step 4
When, need to control whipping temp be 50-55 degrees Celsius, mixing time be 10-15 minutes, to wet composite fibre impregnated when
Between control be 2-4 hours.
Further improvement lies in that: reaction is added in aerosil and organic phenol-aldehydes aeroge in the step 6
When being mixed in kettle, control reactor temperature is 45-55 degrees Celsius, and incorporation time control is 20-30 minutes, is strengthened wet multiple
When being mixed in condensating fiber and foamed ceramics composite material addition reaction kettle, adjusting reactor temperature rises to 60-65 and takes the photograph
Then family name's degree carries out dispersion 8-12 minutes using ultrasonic wave dispersing apparatus, obtains wet gel.
Further improvement lies in that: when being aged in the step 7 to wet gel, wet gel and the second modifying agent are put
Enter and mixed in the sealing container that pressure size is 0.80-0.82 megapascal, heat preservation 2 is then carried out under 45 degrees Celsius of constant temperature
Hour；When carrying out aging to wet gel, cleaning 2-3 times is carried out to wet gel using the filtrate recycled in step 3.
Further improvement lies in that: when modified to wet gel progress surface in the step 7, wet gel is led into the water
In the environment of oxygen, low-level oxidation hydrophilic modifying is carried out to wet gel surface using ultrasonic wave；When wet gel is dried, use is micro-
Any one mode in wave drying, constant pressure and dry, supercritical drying, subcritical drying or freeze-drying is dried.
The invention has the benefit that the high temperature resistance for the high temperature resistant aeroge heat-barrier material that the present invention prepares is good,
By the way that reinforcing fiber and foamed ceramics composite material etc. is added as auxiliary added material, high temperature resistant aeroge can effectively improve
The toughness of heat-barrier material is not easy to crack during the preparation process, fine by utilizing the first modifying agent to enhance during the preparation process
Dimension carries out processing and carries out ripening to wet gel using the second modifying agent, and it is heat-insulated can to effectively improve high temperature resistant aeroge
The comprehensive performance of material can be excellent in reservation high temperature resistant aeroge heat-barrier material by carrying out surface modification treatment to wet gel
Under the premise of anisotropic energy, high temperature resistant aeroge heat-barrier material and other materials interface cohesion mechanics performance are significantly improved.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
Embodiment one
A kind of high temperature resistant aeroge heat-barrier material, including following quality is than composition: 100 parts of aerosils, 30 parts
Organic phenol-aldehydes aeroge, 20 parts of reinforcing fibers, 20 parts of foamed ceramics composite materials, 5 parts of boron carbides, 6 parts of silicon carbide, 6 parts of nitrogen
Change boron, 6 parts of brucite fibers, 15 parts of sodium carbonate, 10 part of first modifying agent, 20 part of second modifying agent, 8 parts of dispersing agents and 150 parts
Deionized water.
The reinforcing fiber includes carbon fiber, asbestos fibre, glass fibre and graphite fibre, and first modifying agent is positive
Hexane, second modifying agent be the modifying agent be trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane,
A variety of mixtures of methyltrimethoxysilane.
The foamed ceramics composite material be tetraethoxysilance, second alcohol and water mixing after and ceramic fibre according to 1:10 ratio
After example is mixed, the foamed ceramics for being filled into the formation of foamed ceramics internal gelation using vacuum maceration technology is compound
Material.
Embodiment two
A kind of high temperature resistant aeroge heat-barrier material, including following quality is than composition: 105 parts of aerosils, 35 parts
Organic phenol-aldehydes aeroge, 25 parts of reinforcing fibers, 22 parts of foamed ceramics composite materials, 8 parts of boron carbides, 7 parts of silicon carbide, 7 parts of nitrogen
Change boron, 7 parts of brucite fibers, 18 parts of sodium carbonate, 11 part of first modifying agent, 22 part of second modifying agent, 10 parts of dispersing agents and 155 parts
Deionized water.
The reinforcing fiber includes carbon fiber, asbestos fibre, glass fibre and graphite fibre, and first modifying agent is positive
Hexane, second modifying agent be the modifying agent be trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane,
A variety of mixtures of methyltrimethoxysilane.
The foamed ceramics composite material be tetraethoxysilance, second alcohol and water mixing after and ceramic fibre according to 1:10 ratio
After example is mixed, the foamed ceramics for being filled into the formation of foamed ceramics internal gelation using vacuum maceration technology is compound
Material.
Embodiment three
A kind of high temperature resistant aeroge heat-barrier material, including following quality is than composition: 110 parts of aerosils, 40 parts
Organic phenol-aldehydes aeroge, 30 parts of reinforcing fibers, 25 parts of foamed ceramics composite materials, 10 parts of boron carbides, 8 parts of silicon carbide, 8 parts
Boron nitride, 8 parts of brucite fibers, 20 parts of sodium carbonate, 12 part of first modifying agent, 25 part of second modifying agent, 12 parts of dispersing agents and 160
Part deionized water.
The reinforcing fiber includes carbon fiber, asbestos fibre, glass fibre and graphite fibre, and first modifying agent is positive
Hexane, second modifying agent be the modifying agent be trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane,
A variety of mixtures of methyltrimethoxysilane.
The foamed ceramics composite material be tetraethoxysilance, second alcohol and water mixing after and ceramic fibre according to 1:10 ratio
After example is mixed, the foamed ceramics for being filled into the formation of foamed ceramics internal gelation using vacuum maceration technology is compound
Material.
Example IV
A kind of preparation method of high temperature resistant aeroge heat-barrier material, comprising the following steps:
Step 1: brucite fiber and dispersing agent are mixed, and split point to brucite fiber；
Step 2: the brucite fiber after splitting point and reinforcing fiber are spread using mold according to certain putting in order
Row, then the brucite fiber arranged is fixed with reinforcing fiber using mold, obtains composite fibre；
Step 3: 2/3rds deionized water being mixed with the first modifying agent, obtains diluting modification agent, then will
Composite fibre carries out decompression immersion in diluting modification agent, and control decompression, which is immersed in sealing container, to be carried out, and controls sealing container
Interior temperature is 40 degrees Celsius, and pressure is 0.84 megapascal, and soaking time is 50 minutes, is then filtered, recycles filtrate, obtain wet
Composite fibre；
Step 4: preparing pretreatment liquid, and the deionized water of sodium carbonate and one third is mixed, and needs to control
Whipping temp is 52 degrees Celsius, and mixing time is 12 minutes, is impregnated after being then allowed to stand 1.5 days to wet composite fibre, is impregnated
Time control be 3 hours, then filter out filtrate, leave and take wet composite fibre；
Step 5: boron carbide, silicon carbide and boron nitride are subjected to mixed grinding, hardening agent is made, then utilizes hardening agent
Mixing cladding is carried out to wet composite fibre, strengthened wet composite fibre；
Step 6: aerosil and organic phenol-aldehydes aeroge are added in reaction kettle and mixed, control is anti-
Answering temperature in the kettle is 50 degrees Celsius, and incorporation time control is 25 minutes, adjusts reactor temperature and rises to 62 degrees Celsius, then will
Strengthen wet composite fibre and foamed ceramics composite material and be added in reaction kettle and mixed, then using ultrasonic wave dispersing apparatus into
Row dispersion 10 minutes, obtains wet gel；
Step 7: wet gel is successively aged using the second modifying agent, wet gel and the second modifying agent are put into pressure
It is powerful it is small be 0.81 megapascal sealing container in mixed, then carried out under 45 degrees Celsius of constant temperature heat preservation 2 hours, then
Aging, surface modification are successively carried out to the wet gel after ageing and is dried, and when carrying out aging to wet gel, utilize step 3
The filtrate of middle recycling carries out cleaning 2 times to wet gel, and when modified to wet gel progress surface, wet gel is led to oxygen into the water
In environment, low-level oxidation hydrophilic modifying is carried out to wet gel surface using ultrasonic wave；It is dry using microwave when wet gel is dried
Dry mode is dried, and high temperature resistant aeroge heat-barrier material is made.
It can be concluded that, composition is compared by quality in the present invention are as follows: 100- according to embodiment one, embodiment two and embodiment three
110 parts of aerosils, 30-40 parts of organic phenols-aldehydes aeroge, 20-30 parts of reinforcing fibers, 20-25 parts of foamed ceramicses
Composite material, 5-10 part boron carbide, 6-8 parts of silicon carbide, 6-8 parts of boron nitride, 6-8 parts of brucite fibers, 15-20 parts of sodium carbonate,
The first modifying agent of 10-12 part, the second modifying agent of 20-25 part, 8-12 parts of dispersing agents and 150-160 parts of deionized waters are prepared resistance to
High temperature aerogel heat-barrier material high temperature resistance is best, while aerogel heat-insulating material is less prone to crackle, and toughness and intensity are good,
It is high with other materials interface cohesion mechanics performance.
The high temperature resistance for the high temperature resistant aeroge heat-barrier material that the present invention prepares is good, by the way that reinforcing fiber and bubble is added
Foam ceramic composite etc. can effectively improve the toughness of high temperature resistant aeroge heat-barrier material, be not easy as auxiliary added material
It cracks during the preparation process, handles and utilize the by carrying out during the preparation process using the first modifying agent reinforcing fiber
Two modifying agent carry out ripening to wet gel, can effectively improve the comprehensive performance of high temperature resistant aeroge heat-barrier material, pass through
Surface modification treatment is carried out to wet gel, it can be under the premise of retaining high temperature resistant aeroge heat-barrier material excellent properties, significantly
Improve high temperature resistant aeroge heat-barrier material and other materials interface cohesion mechanics performance.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of high temperature resistant aeroge heat-barrier material, which is characterized in that including following quality than composition: 100-110 parts of titanium dioxides
Silica aerogel, 30-40 parts of organic phenol-aldehydes aeroges, 20-30 parts of reinforcing fibers, 20-25 parts of foamed ceramics composite materials, 5-
10 parts of boron carbides, 6-8 parts of silicon carbide, 6-8 parts of boron nitride, 6-8 parts of brucite fibers, 15-20 parts of sodium carbonate, 10-12 part first
Modifying agent, the second modifying agent of 20-25 part, 8-12 parts of dispersing agents and 150-160 parts of deionized waters.
2. a kind of high temperature resistant aeroge heat-barrier material according to claim 1, it is characterised in that: including following mass ratio at
Part: 105 parts of aerosils, 35 parts of organic phenols-aldehydes aeroge, 25 parts of reinforcing fibers, 22 parts of foamed ceramics composite woods
Material, 8 parts of boron carbides, 7 parts of silicon carbide, 7 parts of boron nitride, 7 parts of brucite fibers, 18 parts of sodium carbonate, 11 part of first modifying agent, 22 parts
Second modifying agent, 10 parts of dispersing agents and 155 parts of deionized waters.
3. a kind of high temperature resistant aeroge heat-barrier material according to claim 1, it is characterised in that: the reinforcing fiber includes
Carbon fiber, asbestos fibre, glass fibre and graphite fibre, first modifying agent are n-hexane, and second modifying agent is institute
Stating modifying agent is one of trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane, methyltrimethoxysilane
Or a variety of mixtures.
4. a kind of high temperature resistant aeroge heat-barrier material according to claim 1, it is characterised in that: the foamed ceramics is compound
After material is tetraethoxysilance, is mixed with ceramic fibre according to the ratio of 1:10 after the mixing of second alcohol and water, using
Vacuum maceration technology is filled into the foamed ceramics composite material of foamed ceramics internal gelation formation.
5. a kind of preparation method of high temperature resistant aeroge heat-barrier material, which comprises the following steps:
Step 1: brucite fiber and dispersing agent are mixed, and split point to brucite fiber；
Step 2: the brucite fiber after splitting point and reinforcing fiber are arranged using mold according to certain putting in order,
Then the brucite fiber arranged is fixed using mold with reinforcing fiber, obtains composite fibre；
Step 3: 2/3rds deionized water being mixed with the first modifying agent, obtains diluting modification agent, then will be compound
Fiber carries out decompression immersion in diluting modification agent, is then filtered, and recycles filtrate, obtains wet composite fibre；
Step 4: preparing pretreatment liquid, and the deionized water of sodium carbonate and one third is mixed, 1-2 is then allowed to stand
Wet composite fibre is impregnated after it, then filters out filtrate, leaves and takes wet composite fibre；
Step 5: boron carbide, silicon carbide and boron nitride are subjected to mixed grinding, hardening agent is made, then using hardening agent to wet
Composite fibre carries out mixing cladding, and strengthened wet composite fibre；
Step 6: aerosil and organic phenol-aldehydes aeroge are added in reaction kettle and mixed, then will be strengthened wet
Composite fibre and foamed ceramics composite material, which are added in reaction kettle, to be mixed, and is then dispersed, obtains wet gel；
Step 7: being successively aged wet gel using the second modifying agent, then successively carries out to the wet gel after ageing old
Change, surface is modified and is dried, and high temperature resistant aeroge heat-barrier material is made.
6. a kind of preparation method of high temperature resistant aeroge heat-barrier material according to claim 5, it is characterised in that: the step
When carrying out composite fibre to depressurize immersion in diluting modification agent in rapid three, control decompression is immersed in progress in sealing container, controls
Temperature is 38-45 degrees Celsius in sealing container processed, and pressure is 0.82-0.85 megapascal, and soaking time is 40-60 minutes.
7. a kind of preparation method of high temperature resistant aeroge heat-barrier material according to claim 5, it is characterised in that: the step
When the deionized water of sodium carbonate and one third being mixed in rapid four, needing to control whipping temp is that 50-55 is Celsius
Degree, mixing time are 10-15 minutes, and the time control impregnated to wet composite fibre is 2-4 hours.
8. a kind of preparation method of high temperature resistant aeroge heat-barrier material according to claim 5, it is characterised in that: the step
When being mixed in aerosil and organic phenol-aldehydes aeroge addition reaction kettle in rapid six, temperature in reaction kettle is controlled
Degree is 45-55 degrees Celsius, and incorporation time control is 20-30 minutes, strengthens wet composite fibre and foamed ceramics composite material is added
When being mixed in reaction kettle, adjust reactor temperature rise to 60-65 degrees Celsius, then using ultrasonic wave dispersing apparatus into
Row dispersion 8-12 minutes, obtains wet gel.
9. a kind of preparation method of high temperature resistant aeroge heat-barrier material according to claim 5, it is characterised in that: the step
When being aged in rapid seven to wet gel, it is the close of 0.80-0.82 megapascal that wet gel and the second modifying agent, which are put into pressure size,
It is mixed in envelope container, heat preservation 2 hours is then carried out under 45 degrees Celsius of constant temperature；When carrying out aging to wet gel, utilize
The filtrate recycled in step 3 carries out cleaning 2-3 times to wet gel.
10. a kind of preparation method of high temperature resistant aeroge heat-barrier material according to claim 5, it is characterised in that: described
When modified to wet gel progress surface in step 7, wet gel is led into the water in the environment of oxygen, using ultrasonic wave to wet solidifying
Glue surface carries out low-level oxidation hydrophilic modifying；When wet gel is dried, using microwave drying, constant pressure and dry, supercritical drying,
Any one mode in subcritical drying or freeze-drying is dried.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321313A (en) * | 2020-11-30 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Ceramic fiber aerogel composite material and preparation method thereof |
| CN115849863A (en) * | 2022-11-23 | 2023-03-28 | 江苏朗耐德耐火材料有限公司 | Fire-resistant aerogel composite thermal insulation material and preparation method thereof |
-
2019
- 2019-09-05 CN CN201910838242.0A patent/CN110510987A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321313A (en) * | 2020-11-30 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Ceramic fiber aerogel composite material and preparation method thereof |
| CN115849863A (en) * | 2022-11-23 | 2023-03-28 | 江苏朗耐德耐火材料有限公司 | Fire-resistant aerogel composite thermal insulation material and preparation method thereof |
| CN115849863B (en) * | 2022-11-23 | 2024-03-01 | 江苏朗耐德耐火材料有限公司 | Fireproof aerogel composite heat-insulating material and preparation method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 502, 5 / F, building, Nanqiao Industrial Development Zone, Chuzhou City, Anhui Province Applicant after: Jinpeng assembly Construction Co., Ltd Address before: Room 502, 5 / F, building, Nanqiao Industrial Development Zone, Chuzhou City, Anhui Province Applicant before: Jinpeng Construction Industry Co., Ltd |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191129 |