CN108484096A - A kind of nanoscale thermal insulation aeroge of extra-low density - Google Patents
A kind of nanoscale thermal insulation aeroge of extra-low density Download PDFInfo
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- CN108484096A CN108484096A CN201810279594.2A CN201810279594A CN108484096A CN 108484096 A CN108484096 A CN 108484096A CN 201810279594 A CN201810279594 A CN 201810279594A CN 108484096 A CN108484096 A CN 108484096A
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0045—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by a process involving the formation of a sol or a gel, e.g. sol-gel or precipitation processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/044—Water-setting substance, e.g. concrete, plaster
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
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- Dispersion Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Nonwoven Fabrics (AREA)
Abstract
A kind of nanoscale thermal insulation aeroge of extra-low density proposed by the present invention, alcosol is prepared using silicon source and absolute ethyl alcohol, and it is modified by graphene, add reinforcing fiber simultaneously, wherein, graphene can be modified alcosol, help to improve voidage, and reduce capillary tube power when displacement, reduce displacement difficulty, adiabatic aeroge hole obtained reaches nanoscale by the method for the invention, and voidage is high, density is extremely low, with outstanding heat-insulating property, simultaneously, reinforcing fiber is added, so that the intensity of adiabatic aeroge is significantly promoted, flexibility is also improved, applicability is more extensive.
Description
Technical field
The present invention relates to aeroge production application field, the nanoscale thermal insulation aeroge of especially a kind of extra-low density.
Background technology
Aeroge is in the case where keeping gel skeleton structural integrity, and the product after gel internal solvent is dried is
A kind of amorphous state low density material with nano-porous structure.Aerosil also referred to as " blue smoke ", " solid cigarette ",
It is the most light solid material being currently known, and the best material of heat-insulating property so far, is known as " changing the god in the world
Strange material ".
Silica aerogel the phenomenon that falling off there are particle, causes in use, much being limited since its intensity is low, brittleness is big
System, moreover, performance difference is little between the aeroge of same kind, especially when heat-insulating property, cause in industry product technology into
Step is slow.
Invention content
The present invention is in view of the above-mentioned problems, the invention discloses a kind of nanoscale thermal insulation aeroges of extra-low density.
Specific technical solution is as follows：
A kind of nanoscale thermal insulation aeroge of extra-low density, which is characterized in that preparation method, including step in detail below：
1, prepare silicon source, silicon source be added in absolute ethyl alcohol, and at 40 ~ 42 DEG C, ultrasonic agitation is uniform, obtains alcosol,
Wherein, silicon source and the molar ratio of absolute ethyl alcohol are 0.04 ~ 0.07：1；
2, after the completion of alcosol, continue to stir, and graphene is added, be mixed into alcogel, persistently stir 35 minutes, be modified
Alcosol；
3, then modified alcosol is imported in the container for filling absolute ethyl alcohol, into line replacement, removes extra moisture, it is transposed
Cheng Yici is needed 8 ~ 9 hours, is repeated 2 ~ 3 times, until displacement completely；
4, the alcosol for completing solution replacement is imported in aging equipment, carries out aging, obtain modified alcogel；
5, reinforcing fiber is positioned in mold, is subsequently introduced the modification alcogel obtained after aging, be 20MPa and temperature in pressure
Degree is supercritical drying under conditions of 50 DEG C 3 hours, and then at the uniform velocity pressure release 3h is to pressure under conditions of temperature is 50 DEG C
6MPa finally closes supercritical drying, until pressure returns to normal atmosphere (An), removes mold, goes to touch up to high intensity silicon airsetting
Glue finished product；
Reinforcing fiber described in step 5 is mixed to prepare by glass fibre and silicon carbide fibre, and preparation method is as follows：
A, it takes glass fibre to be cut, cuts into the pipe nipple glass fibre of two kinds of different lengths；
B, with precursor wire method prepare SiC fibers, the SiC fibers with SiC morphologies exist, diameter 0.1 μm to 1 μm it
Between, a length of 20 μm ~ 50 μm；
C, the pipe nipple glass fibre of two kinds of length is blended, and is in sheet material by heat-bondable fibre bonding, thickness is less than
0.1mm；
D, by SiC whiskers, uniformly paving is sprinkled upon a piece of glass fibre sheet, is then covered with another sheet glass fibre sheet material, and again
It is bonded to get reinforcing fiber finished product using heat-bondable fibre.
The nanoscale thermal insulation aeroge of above-mentioned a kind of extra-low density, wherein the silicon source is silica.
A kind of nanoscale thermal insulation aeroge of above-mentioned extra-low density, wherein two kinds of different lengths described in step A it is short
The length for saving glass fibre is respectively 30mm and 5mm.
The nanoscale thermal insulation aeroge of above-mentioned a kind of extra-low density, wherein the glass fibre and silicon carbide fibre
Mass ratio is 1:0.02~0.4.
A kind of nanoscale thermal insulation aeroge of above-mentioned extra-low density, wherein the heat-bondable fibre described in step C and D
For low-melting point hot adhesion fiber.
Beneficial effects of the present invention are：
A kind of nanoscale thermal insulation aeroge of extra-low density proposed by the present invention, alcosol is prepared using silicon source and absolute ethyl alcohol,
And be modified by graphene, while adding reinforcing fiber, wherein graphene can be modified alcosol, help to carry
High voidage, and capillary tube power when displacement is reduced, displacement difficulty is reduced, by the method for the invention adiabatic aerogel pores obtained
Gap reaches nanoscale, and voidage is high, and density is extremely low, has outstanding heat-insulating property, meanwhile, reinforcing fiber addition so that
The intensity of adiabatic aeroge is significantly promoted, and flexibility is also improved, and applicability is more extensive.
Specific implementation mode
It is clear to make technical scheme of the present invention be more clear, below the present invention is described further, it is any to this
The technical characteristic of inventive technique scheme carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within the scope of the present invention.
Embodiment one
A kind of nanoscale thermal insulation aeroge of extra-low density, which is characterized in that preparation method, including step in detail below：
1, prepare silicon source, silicon source be added in absolute ethyl alcohol, and at 40 DEG C, ultrasonic agitation is uniform, obtains alcosol,
In, the molar ratio of silicon source and absolute ethyl alcohol is 0.07：1；
2, after the completion of alcosol, continue to stir, and graphene is added, be mixed into alcogel, persistently stir 35 minutes, be modified
Alcosol；
3, then modified alcosol is imported in the container for filling absolute ethyl alcohol, into line replacement, removes extra moisture, it is transposed
Cheng Yici is needed 8 ~ 9 hours, is repeated 2 ~ 3 times, until displacement completely；
4, the alcosol for completing solution replacement is imported in aging equipment, carries out aging, obtain modified alcogel；
5, reinforcing fiber is positioned in mold, is subsequently introduced the modification alcogel obtained after aging, be 20MPa and temperature in pressure
Degree is supercritical drying under conditions of 50 DEG C 3 hours, and then at the uniform velocity pressure release 3h is to pressure under conditions of temperature is 50 DEG C
6MPa finally closes supercritical drying, until pressure returns to normal atmosphere (An), removes mold, goes to touch up to high intensity silicon airsetting
Glue finished product；
Reinforcing fiber described in step 5 is mixed to prepare by glass fibre and silicon carbide fibre, and preparation method is as follows：
A, it takes glass fibre to be cut, cuts into the pipe nipple glass fibre of two kinds of different lengths；
B, with precursor wire method prepare SiC fibers, the SiC fibers with SiC morphologies exist, diameter 0.1 μm to 1 μm it
Between, a length of 20 μm ~ 50 μm；
C, the pipe nipple glass fibre of two kinds of length is blended, and is in sheet material by heat-bondable fibre bonding, thickness is less than
0.1mm；
D, by SiC whiskers, uniformly paving is sprinkled upon a piece of glass fibre sheet, is then covered with another sheet glass fibre sheet material, and again
It is bonded to get reinforcing fiber finished product using heat-bondable fibre.
Wherein, the silicon source is silica, the length of the pipe nipple glass fibre of two kinds of different lengths described in step A point
Not Wei 30mm and 5mm, the mass ratio of the glass fibre and silicon carbide fibre is 1:0.4, the heat bonding described in step C and D
Fiber is low-melting point hot adhesion fiber.
Embodiment two
A kind of nanoscale thermal insulation aeroge of extra-low density, which is characterized in that preparation method, including step in detail below：
1, prepare silicon source, silicon source be added in absolute ethyl alcohol, and at 42 DEG C, ultrasonic agitation is uniform, obtains alcosol,
In, the molar ratio of silicon source and absolute ethyl alcohol is 0.06：1；
2, after the completion of alcosol, continue to stir, and graphene is added, be mixed into alcogel, persistently stir 35 minutes, be modified
Alcosol；
3, then modified alcosol is imported in the container for filling absolute ethyl alcohol, into line replacement, removes extra moisture, it is transposed
Cheng Yici is needed 8 ~ 9 hours, is repeated 2 ~ 3 times, until displacement completely；
4, the alcosol for completing solution replacement is imported in aging equipment, carries out aging, obtain modified alcogel；
5, reinforcing fiber is positioned in mold, is subsequently introduced the modification alcogel obtained after aging, be 20MPa and temperature in pressure
Degree is supercritical drying under conditions of 50 DEG C 3 hours, and then at the uniform velocity pressure release 3h is to pressure under conditions of temperature is 50 DEG C
6MPa finally closes supercritical drying, until pressure returns to normal atmosphere (An), removes mold, goes to touch up to high intensity silicon airsetting
Glue finished product；
Reinforcing fiber described in step 5 is mixed to prepare by glass fibre and silicon carbide fibre, and preparation method is as follows：
A, it takes glass fibre to be cut, cuts into the pipe nipple glass fibre of two kinds of different lengths；
B, with precursor wire method prepare SiC fibers, the SiC fibers with SiC morphologies exist, diameter 0.1 μm to 1 μm it
Between, a length of 20 μm ~ 50 μm；
C, the pipe nipple glass fibre of two kinds of length is blended, and is in sheet material by heat-bondable fibre bonding, thickness is less than
0.1mm；
D, by SiC whiskers, uniformly paving is sprinkled upon a piece of glass fibre sheet, is then covered with another sheet glass fibre sheet material, and again
It is bonded to get reinforcing fiber finished product using heat-bondable fibre.
Wherein, the silicon source is silica, the length of the pipe nipple glass fibre of two kinds of different lengths described in step A point
Not Wei 30mm and 5mm, the mass ratio of the glass fibre and silicon carbide fibre is 1:0.3, the heat bonding described in step C and D
Fiber is low-melting point hot adhesion fiber.
Embodiment three
A kind of nanoscale thermal insulation aeroge of extra-low density, which is characterized in that preparation method, including step in detail below：
1, prepare silicon source, silicon source be added in absolute ethyl alcohol, and at 40 DEG C, ultrasonic agitation is uniform, obtains alcosol,
In, the molar ratio of silicon source and absolute ethyl alcohol is 0.04：1；
2, after the completion of alcosol, continue to stir, and graphene is added, be mixed into alcogel, persistently stir 35 minutes, be modified
Alcosol；
3, then modified alcosol is imported in the container for filling absolute ethyl alcohol, into line replacement, removes extra moisture, it is transposed
Cheng Yici is needed 8 ~ 9 hours, is repeated 2 ~ 3 times, until displacement completely；
4, the alcosol for completing solution replacement is imported in aging equipment, carries out aging, obtain modified alcogel；
5, reinforcing fiber is positioned in mold, is subsequently introduced the modification alcogel obtained after aging, be 20MPa and temperature in pressure
Degree is supercritical drying under conditions of 50 DEG C 3 hours, and then at the uniform velocity pressure release 3h is to pressure under conditions of temperature is 50 DEG C
6MPa finally closes supercritical drying, until pressure returns to normal atmosphere (An), removes mold, goes to touch up to high intensity silicon airsetting
Glue finished product；
Reinforcing fiber described in step 5 is mixed to prepare by glass fibre and silicon carbide fibre, and preparation method is as follows：
A, it takes glass fibre to be cut, cuts into the pipe nipple glass fibre of two kinds of different lengths；
B, with precursor wire method prepare SiC fibers, the SiC fibers with SiC morphologies exist, diameter 0.1 μm to 1 μm it
Between, a length of 20 μm ~ 50 μm；
C, the pipe nipple glass fibre of two kinds of length is blended, and is in sheet material by heat-bondable fibre bonding, thickness is less than
0.1mm；
D, by SiC whiskers, uniformly paving is sprinkled upon a piece of glass fibre sheet, is then covered with another sheet glass fibre sheet material, and again
It is bonded to get reinforcing fiber finished product using heat-bondable fibre.
Wherein, the silicon source is silica, the length of the pipe nipple glass fibre of two kinds of different lengths described in step A point
Not Wei 30mm and 5mm, the mass ratio of the glass fibre and silicon carbide fibre is 1:0.25, the heat bonding described in step C and D
Fiber is low-melting point hot adhesion fiber.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
Should all it cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
Subject to.
Claims (6)
1. a kind of nanoscale thermal insulation aeroge of extra-low density, which is characterized in that preparation method, including step in detail below：
（1）, prepare silicon source, silicon source is added in absolute ethyl alcohol, and at 40 ~ 42 DEG C, ultrasonic agitation is uniform, and it is molten to obtain alcohol
Glue, wherein silicon source and the molar ratio of absolute ethyl alcohol are 0.04 ~ 0.07：1；
（2）, after the completion of alcosol, continue to stir, and graphene is added, be mixed into alcogel, persistently stir 35 minutes, changed
Property alcosol；
（3）, then modified alcosol is imported in the container for filling absolute ethyl alcohol, into line replacement, remove extra moisture, replace
Process once needs 8 ~ 9 hours, repeats 2 ~ 3 times, until displacement completely；
（4）, the alcosol for completing solution replacement imported in aging equipment, carry out aging, obtain modified alcogel；
（5）, reinforcing fiber is positioned in mold, be subsequently introduced the modification alcogel obtained after aging, pressure be 20MPa and
Temperature is supercritical drying 3 hours under conditions of 50 DEG C, and then at the uniform velocity pressure release 3h is to pressure under conditions of temperature is 50 DEG C
6MPa finally closes supercritical drying, until pressure returns to normal atmosphere (An), removes mold, goes to touch up to high intensity silicon airsetting
Glue finished product.
2. a kind of nanoscale thermal insulation aeroge of extra-low density as described in claim 1, which is characterized in that described in step 5
Reinforcing fiber be mixed to prepare by glass fibre and silicon carbide fibre, preparation method is as follows：
A, it takes glass fibre to be cut, cuts into the pipe nipple glass fibre of two kinds of different lengths；
B, with precursor wire method prepare SiC fibers, the SiC fibers with SiC morphologies exist, diameter 0.1 μm to 1 μm it
Between, a length of 20 μm ~ 50 μm；
C, the pipe nipple glass fibre of two kinds of length is blended, and is in sheet material by heat-bondable fibre bonding, thickness is less than
0.1mm；
D, by SiC whiskers, uniformly paving is sprinkled upon a piece of glass fibre sheet, is then covered with another sheet glass fibre sheet material, and again
It is bonded to get reinforcing fiber finished product using heat-bondable fibre.
3. a kind of nanoscale thermal insulation aeroge of extra-low density as described in claim 1, which is characterized in that the silicon source is two
Silica.
4. a kind of nanoscale thermal insulation aeroge of extra-low density as claimed in claim 2, which is characterized in that described in step A
The length of the pipe nipple glass fibre of two kinds of different lengths is respectively 30mm and 5mm.
5. a kind of nanoscale thermal insulation aeroge of extra-low density as claimed in claim 2, which is characterized in that the glass fibre
Mass ratio with silicon carbide fibre is 1:0.02~0.4.
6. a kind of nanoscale thermal insulation aeroge of extra-low density as claimed in claim 2, which is characterized in that institute in step C and D
The heat-bondable fibre stated is low-melting point hot adhesion fiber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279594.2A CN108484096A (en) | 2018-04-01 | 2018-04-01 | A kind of nanoscale thermal insulation aeroge of extra-low density |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810279594.2A CN108484096A (en) | 2018-04-01 | 2018-04-01 | A kind of nanoscale thermal insulation aeroge of extra-low density |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761235A (en) * | 2015-03-30 | 2015-07-08 | 南京工业大学 | Preparation method of low-temperature-resistant glass-fiber-reinforced SiO2 aerogel composite material |
| CN106007652A (en) * | 2016-05-17 | 2016-10-12 | 南京工业大学 | Preparation method of high-temperature-resistant and hydrophobic SiO2 aerogel felt |
| CN107021496A (en) * | 2017-05-27 | 2017-08-08 | 航天特种材料及工艺技术研究所 | A kind of ultra-low density silicon dioxide aerogel material and preparation method thereof |
| CN107216115A (en) * | 2017-06-26 | 2017-09-29 | 南京工业大学 | A kind of PTFE fiber cloth composite graphite alkene SiO2The preparation method of aeroge |
| CN107757020A (en) * | 2017-09-30 | 2018-03-06 | 天门市畅享生活用品股份有限公司 | It is a kind of with noctilucence and to be compounded with the non-woven fabrics of carbon fiber |
-
2018
- 2018-04-01 CN CN201810279594.2A patent/CN108484096A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761235A (en) * | 2015-03-30 | 2015-07-08 | 南京工业大学 | Preparation method of low-temperature-resistant glass-fiber-reinforced SiO2 aerogel composite material |
| CN106007652A (en) * | 2016-05-17 | 2016-10-12 | 南京工业大学 | Preparation method of high-temperature-resistant and hydrophobic SiO2 aerogel felt |
| CN107021496A (en) * | 2017-05-27 | 2017-08-08 | 航天特种材料及工艺技术研究所 | A kind of ultra-low density silicon dioxide aerogel material and preparation method thereof |
| CN107216115A (en) * | 2017-06-26 | 2017-09-29 | 南京工业大学 | A kind of PTFE fiber cloth composite graphite alkene SiO2The preparation method of aeroge |
| CN107757020A (en) * | 2017-09-30 | 2018-03-06 | 天门市畅享生活用品股份有限公司 | It is a kind of with noctilucence and to be compounded with the non-woven fabrics of carbon fiber |
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