CN108928057A - A kind of fibre-reinforced flexible aerosil - Google Patents
A kind of fibre-reinforced flexible aerosil Download PDFInfo
- Publication number
- CN108928057A CN108928057A CN201810466547.9A CN201810466547A CN108928057A CN 108928057 A CN108928057 A CN 108928057A CN 201810466547 A CN201810466547 A CN 201810466547A CN 108928057 A CN108928057 A CN 108928057A
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- Prior art keywords
- aeroge
- flexibility
- sio
- glass fabric
- enhancing
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Classifications
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2571/00—Protective equipment
Abstract
The present invention relates to a kind of fibre-reinforced flexible aerosils, including glass fabric enhancing can ceramic phenolic resin piece, glass fabric reinforced epoxy piece and flexibility SiO2Aeroge and interlaminar improvement quartz fibre sewing thread, the inside of flexible aerosil is using glass fabric reinforced epoxy piece and flexibility SiO2Aeroge carries out the overlapping enhancing of interlayer, the outer surface of flexible aerosil be glass fabric enhancing can ceramic phenolic resin piece to flexible SiO2Aeroge carries out enhancing and surfacecti proteon, using quartz fibre sewing thread through sewing total.Flexible aerosil intensity of the invention is high, has certain adhesive property, has been obviously improved flexible SiO2The compression strength of aeroge, the dusting problems for solving aeroge, improve the interfacial bonding strength of structure, and the reliability for applying aerogel material is substantially improved.
Description
Technical field
The present invention relates to a kind of flexible aerosil, in particular to a kind of fibre-reinforced flexible silica gas
Gel.
Background technique
Silica（SiO2）Aeroge is the solid-state heat-barrier material that current quality is most light, heat-proof quality is best, under room temperature
Thermal conductivity can be up to 1000m down to 0.0130W/m*K, specific surface area2/ g, porosity are up to 99%, and density can be down to 0.003g/
cm3, it is in current aerogel material, research is the most mature, the widest aerogel material of production application.SiO2Aeroge is navigating
The application in its field attracts attention, and such as U.S.'s stardust airship, the material collects comet dust, Russian's Mir space station
It is used for U.S.'s pathfinder's Mars probes heat-insulated.In civil field, current various types of aerogel blankets, aeroge
Grain, is widely used in transport and storage, the civil buildings and clothes man of the heat-insulation and heat-preservation, liquefied gas at low temp of high-temperature oil gas pipeline
Electricity and the heat-insulated noise reduction of dynamoelectric equipment etc..But SiO2The high porosity and porous network structure of aeroge keep it strong
Spend that low, brittleness is big, poor toughness, and be inorganic nano material, poor bonding strength between particle, aeroge there are dusting problems,
It is difficult to be applied in actual insulation engineering as individual thermal protection component.
SiO2Aeroge bulk strength is low, poor toughness, and there are serious dusting problems, it is difficult to meet the engineering of heat-insulation and heat-preservation
Using, it is necessary to it takes reasonable manner to enhance it, improves its resistance to compression and tensile strength, improve toughness, solve picking and ask
Topic.On the one hand the skeleton structure that can enhance gas glue itself by control preparation technology parameter, on the other hand by increasing with enhancing
It is tough mutually compound, improve SiO2The toughness and intensity of aeroge solve brittleness problems.Experiment shows to prepare work only by control
Skill parameter improves its mechanical property and remains difficult the requirement for meeting practical application, and mutually compound to SiO with activeness and quietness2Aeroge
Intensity and toughness all play apparent improvement.Activeness and quietness phase is based on various fibers at present, for SiO2Aeroge
Enhancing, academia and industry carried out a large amount of relevant research work, also achieved biggish achievement, such as using the fibre that is chopped
Dimension, whisker, fibrofelt, long fiber reinforcement SiO2Aeroge, institute include glass fibre, mullite fiber, ceramics fibre using fiber
Dimension etc., significantly improves the mechanical property of aeroge, improves toughness, enhances flexibility SiO as shown in Figure 1 for common fiber2Airsetting
Glue.Fibrofelt enhances flexibility SiO at present2Aerogel composite, reinforcing effect is good, is most widely used.
Fibrofelt enhances flexibility SiO2Aeroge significantly improves the tensile strength of aeroge, solves brittleness problems, mentions
High toughness of material, makes SiO2Aeroge application range is greatly expanded, and the first step for engineering application of marching toward has been walked out, but fine
Dimension enhancing flexibility SiO2Aeroge, there are still lower compressive strength, dusting problems, when application, needs to take additional surfacecti proteon
Means, it is difficult to meet high request field to the mechanical property and reliability requirement of aerogel material.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fibre-reinforced flexible aerosils, to solve to mention
High SiO2The intensity of aeroge improves toughness, solves the problems, such as picking.
To solve, the technical solution adopted by the present invention is：A kind of fibre-reinforced flexible titanium dioxide
Silica aerogel, including glass fabric enhancing can ceramic phenolic resin piece, glass fabric reinforced epoxy piece and flexibility
SiO2The inside of aeroge and interlaminar improvement quartz fibre sewing thread, the flexibility aerosil uses glass fabric
Reinforced epoxy piece and flexibility SiO2Aeroge carries out the overlapping enhancing of interlayer, and the outer surface of flexible aerosil is glass
Glass fiber cloth enhancing can ceramic phenolic resin piece to flexible SiO2Aeroge carries out enhancing and surfacecti proteon, using quartz fibre
Sewing thread is through sewing total.
Preferably, flexibility SiO of the present invention2Aeroge is fibrofelt enhancing flexibility SiO2Aeroge.
Preferably, glass fabric of the present invention enhancing can resin used in ceramic phenolic resin piece be added to 5 ±
1wt.% zirconium oxide can ceramic phenolic resin.
The present invention enhances flexibility SiO using glass fabric reinforced epoxy composite material and fibrofelt2Aeroge into
Row interlayer overlaps laying, carries out structure enhancing to aeroge, outermost can ceramic phenolic resin using glass fabric enhancing
Composite material carries out outer surface enhancing and protection, and realizes certain fire-retardant and high temperature resistance.Make the SiO of efficient and light weight2
Aerogel heat-insulating is energy-saving and emission-reduction Green Development using the application requirement for meeting more fields, and aeronautical and space technology progress is done
It contributes out.
Beneficial effect：
The present invention is using fiber cloth reinforced resin composite material to flexible SiO2Aeroge carries out alternately laminated enhancing, and uses stone
English line carries out the intensity height after sewing, fiber cloth reinforced resin composite material solidification to structure, has certain adhesive property,
It has been obviously improved flexible SiO2The compression strength of aeroge, the dusting problems for solving aeroge improve the interlayer knot of structure
Intensity is closed, the reliability for applying aerogel material is substantially improved.The glass fabric on surface enhances phenolic resin composite,
Realize aeroge surfacecti proteon, have it is fire-retardant and can ceramic ability, significantly improve the temperature resistant capability of aeroge, make flexibility
SiO2The environmental suitability of aeroge is more preferable.Technical solution proposed by the present invention takes full advantage of flexible SiO2Aeroge shape is suitable
The good advantage of answering property, construction technology is good, and resin is after solidification, and thermal protection structure intensity is obviously improved, surfacecti proteon effect
Well.
Detailed description of the invention
Fig. 1 is fiber reinforced flexible SiO2Aeroge；
Fig. 2 is that glass fabric resin composite materials enhance flexibility SiO2Aerogel structure schematic diagram, in figure, the 1 of upper and lower surface
For glass fabric enhancing can ceramic phenolic resin piece, centre 2 be glass fabric reinforced epoxy piece, centre 3 for fibre
Tieing up felt enhances flexibility SiO2Aeroge, 4 be interlaminar improvement quartz fibre sewing thread.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.
As shown in Fig. 2, a kind of flexibility aerosil, inside uses glass fabric reinforced epoxy sheet material pair
Flexible SiO2Aeroge carries out the overlapping enhancing of interlayer, outer surface be glass fabric enhancing can ceramic phenolic resin to flexibility
SiO2Aeroge carries out enhancing and surfacecti proteon, improves interlaminar strength through sewing total using quartzy line, avoids being layered.
Flexible SiO2Aeroge is fibrofelt enhancing flexibility SiO2Aeroge.
Glass fabric reinforced epoxy sheet material, the composite material sheet for being 0.2 ± 0.02mm for thickness in monolayer after solidifying
Material.
Glass fabric enhancing can ceramic phenolic resin sheet material, be answering for 0.2 ± 0.02mm for thickness in monolayer after solidifying
Condensation material sheet material, resin used be added to 5 ± 1wt.% zirconium oxide can ceramic phenolic resin, have surface enhanced, resistance
Combustion and surfacecti proteon effect.
When it is implemented, first according to flexible SiO2Aeroge two-dimensional cuts out the glass fabric of suitable dimension,
According to final required heat insulation layer thickness and intensity requirement, the number of plies, the flexibility SiO of fiber cloth reinforced resin are selected2The layer of aeroge
Number；Then using surface brush by the way of on glass fabric brush epoxy resin and can ceramic phenolic resin, according to Fig. 2
Shown structure laying brushed epoxy resin and can ceramic phenolic resin glass fabric, flexibility SiO2Aeroge, structure
Laying carries out through sewing structure using quartz fibre sewing thread after completing；Finally by overall structure be put into curing oven into
Row cure under pressure.
It, can be in inside configuration laying high reflectivity metal foil for the high temperature insulating performance for further increasing enhancing structure
。
The present invention passes through experimental verification, and glass fabric enhancing can ceramic phenolic resin sheet material and glass fabric enhancing
Epoxy resin sheet material is to flexible SiO2Aeroge reinforcing effect is good, completely solves the dusting problems of aeroge, and realize
The surfacecti proteon of aeroge.
Claims (6)
1. a kind of fibre-reinforced flexible aerosil, including glass fabric enhancing can ceramic phenolic resin piece,
Glass fabric reinforced epoxy piece and flexibility SiO2Aeroge and interlaminar improvement quartz fibre sewing thread, it is characterised in that：
The inside of the flexibility aerosil is using glass fabric reinforced epoxy piece and flexibility SiO2Aeroge carries out
The overlapping enhancing of interlayer, the outer surface of flexible aerosil be glass fabric enhancing can ceramic phenolic resin piece to soft
Property SiO2Aeroge carries out enhancing and surfacecti proteon, using quartz fibre sewing thread through sewing total.
2. flexibility aerosil according to claim 1, it is characterised in that：The flexibility SiO2Aeroge is fine
Tieing up felt enhances flexibility SiO2Aeroge.
3. flexibility aerosil according to claim 1 or 2, it is characterised in that：The glass fabric enhancing
Epoxy sheet is the composite material sheet that thickness in monolayer is 0.2 ± 0.02mm after solidifying.
4. flexibility aerosil according to claim 1 or 2, it is characterised in that：The glass fabric enhancing
Can resin used in ceramic phenolic resin piece be added to 5 ± 1wt.% zirconium oxide can ceramic phenolic resin.
5. flexibility aerosil according to claim 4, it is characterised in that：The glass fabric enhancing can make pottery
Porcelain phenolic resin piece is the composite material sheet that thickness in monolayer is 0.2 ± 0.02mm after solidifying.
6. flexibility aerosil according to claim 1, it is characterised in that：The flexibility aerosil
Inside also laying have high reflectivity metal foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466547.9A CN108928057A (en) | 2018-05-16 | 2018-05-16 | A kind of fibre-reinforced flexible aerosil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466547.9A CN108928057A (en) | 2018-05-16 | 2018-05-16 | A kind of fibre-reinforced flexible aerosil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108928057A true CN108928057A (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810466547.9A Pending CN108928057A (en) | 2018-05-16 | 2018-05-16 | A kind of fibre-reinforced flexible aerosil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626011A (en) * | 2019-09-11 | 2019-12-31 | 巩义市泛锐熠辉复合材料有限公司 | Heat protection plate |
| CN112521717A (en) * | 2020-11-17 | 2021-03-19 | 贵州航天乌江机电设备有限责任公司 | SiO with high mechanical strength and low heat conductivity coefficient2Preparation method of aerogel composite material |
| CN113801436A (en) * | 2021-08-24 | 2021-12-17 | 天津朗华科技发展有限公司 | Wind power generation blade and preparation method thereof |
| CN113895111A (en) * | 2021-10-14 | 2022-01-07 | 航天特种材料及工艺技术研究所 | High-temperature-resistant heat-insulating material and preparation method thereof |
| CN113895106A (en) * | 2021-10-29 | 2022-01-07 | 航天特种材料及工艺技术研究所 | Multilayer sandwich and locally-enhanced external heat-proof material and preparation method and application thereof |
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| US20140287641A1 (en) * | 2013-03-15 | 2014-09-25 | Aerogel Technologies, Llc | Layered aerogel composites, related aerogel materials, and methods of manufacture |
| CN105914463A (en) * | 2016-06-28 | 2016-08-31 | 湖北航天技术研究院总体设计所 | Flexible connection device for high-temperature resistant radome |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626011A (en) * | 2019-09-11 | 2019-12-31 | 巩义市泛锐熠辉复合材料有限公司 | Heat protection plate |
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| CN112521717A (en) * | 2020-11-17 | 2021-03-19 | 贵州航天乌江机电设备有限责任公司 | SiO with high mechanical strength and low heat conductivity coefficient2Preparation method of aerogel composite material |
| CN113801436A (en) * | 2021-08-24 | 2021-12-17 | 天津朗华科技发展有限公司 | Wind power generation blade and preparation method thereof |
| CN113801436B (en) * | 2021-08-24 | 2023-08-29 | 天津朗华科技发展有限公司 | Wind power generation blade and preparation method thereof |
| CN113895111A (en) * | 2021-10-14 | 2022-01-07 | 航天特种材料及工艺技术研究所 | High-temperature-resistant heat-insulating material and preparation method thereof |
| CN113895106A (en) * | 2021-10-29 | 2022-01-07 | 航天特种材料及工艺技术研究所 | Multilayer sandwich and locally-enhanced external heat-proof material and preparation method and application thereof |
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