CN112709075A - High-strength aerogel modified heat insulation felt and preparation method thereof - Google Patents
High-strength aerogel modified heat insulation felt and preparation method thereof Download PDFInfo
- Publication number
- CN112709075A CN112709075A CN202011579818.5A CN202011579818A CN112709075A CN 112709075 A CN112709075 A CN 112709075A CN 202011579818 A CN202011579818 A CN 202011579818A CN 112709075 A CN112709075 A CN 112709075A
- Authority
- CN
- China
- Prior art keywords
- aerogel
- modified
- dispersion liquid
- nano
- aluminum silicate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004964 aerogel Substances 0.000 title claims abstract description 69
- 238000009413 insulation Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 59
- 239000004952 Polyamide Substances 0.000 claims abstract description 55
- 229920002647 polyamide Polymers 0.000 claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 52
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 52
- 239000002121 nanofiber Substances 0.000 claims abstract description 52
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 43
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 5
- 239000006185 dispersion Substances 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000004965 Silica aerogel Substances 0.000 claims description 31
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 29
- 238000004321 preservation Methods 0.000 claims description 23
- 239000008367 deionised water Substances 0.000 claims description 18
- 229910021641 deionized water Inorganic materials 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 239000011268 mixed slurry Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000012046 mixed solvent Substances 0.000 claims description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 8
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 8
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 8
- 238000004108 freeze drying Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 8
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 2
- KTUQUZJOVNIKNZ-UHFFFAOYSA-N butan-1-ol;hydrate Chemical compound O.CCCCO KTUQUZJOVNIKNZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- MFKRHJVUCZRDTF-UHFFFAOYSA-N 3-methoxy-3-methylbutan-1-ol Chemical group COC(C)(C)CCO MFKRHJVUCZRDTF-UHFFFAOYSA-N 0.000 description 5
- 229920002907 Guar gum Polymers 0.000 description 5
- 239000013530 defoamer Substances 0.000 description 5
- 239000000665 guar gum Substances 0.000 description 5
- 229960002154 guar gum Drugs 0.000 description 5
- 235000010417 guar gum Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000000352 supercritical drying Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- UCVZLNNJKDOOBO-UHFFFAOYSA-N Silica aerogel Polymers C1=CC(OC)=CC=C1C(=O)CSC1=CC(C)=NC(SCC(=O)C=2C=CC(C)=CC=2)=N1 UCVZLNNJKDOOBO-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a high-strength aerogel modified heat insulation felt which comprises an aluminum silicate fiber felt base material, a polyamide nanofiber/carbon nanotube composite gel coating and a silicon aerogel modified fluorocarbon resin coating, wherein the polyamide nanofiber/carbon nanotube composite gel coating and the silicon aerogel modified fluorocarbon resin coating are sequentially arranged on the aluminum silicate fiber felt base material; in the polyamide nanofiber/carbon nanotube fiber composite gel coating, the mass ratio of the polyamide nanofiber to the carbon nanotube is 7: (1-3); the silicon aerogel modified fluorocarbon resin coating comprises polymer modified nano silicon dioxide aerogel, fluorocarbon resin and an auxiliary agent. The invention also discloses a preparation method of the high-strength aerogel modified heat insulation felt. The heat insulation felt prepared by the invention has good heat insulation performance, excellent mechanical performance and certain self-cleaning performance.
Description
Technical Field
The invention relates to the field of heat insulation materials, in particular to a high-strength aerogel modified heat insulation felt and a preparation method thereof.
Background
With the rapid development of the technological level, various heat-insulating materials are continuously pushed out and new, and modern heat-insulating materials are widely applied to equipment pipelines of petroleum, chemical engineering, smelting and electric power departments and industrial and civil buildings due to good heat-insulating and energy-saving performance of the modern heat-insulating materials, but also put higher requirements on a high-temperature heat-insulating system, have higher thermal efficiency, improve the utilization rate of effective heat, reduce waste heat output, and have a series of performances of high temperature resistance, light weight, high efficiency, high stability and the like; while still providing a good working environment for the workers.
According to the property of the heat insulating material, the heat insulating material can be divided into three categories: organic, inorganic, and metal interlayers. The high-temperature heat insulation aspect commonly used at present mainly comprises inorganic materials, such as aluminum silicate fibers, rock wool, glass wool, expanded perlite, perlite bricks, foam concrete and the like. The fiber-based heat insulating material, one of the most important types of heat insulating materials, has the advantages of low density, soft texture, high strength, easy processing and forming and the like. Common fibrous thermal insulation materials include asbestos, aluminum silicate fibers, glass ceramic fibers, alumina fibers, high silica fibers, and the like. These insulation fibers can now be produced in large quantities and meet the requirements of different temperatures. The refractory alumina silicate fiber, also called ceramic fiber, is an inorganic material prepared by selecting proper process treatment, using high-quality flint clay, silicon dioxide, high-purity alumina, zircon sand and the like as raw materials, and performing fusion blowing or throwing in a resistance furnace to polymerize and fiberize dispersed materials with the same chemical composition and structure and different chemical compositions.
SiO2The aerogel is a novel solid with low density, nano-porous and amorphous state and a continuous three-dimensional network structure, the network diameter is 1-100 nm, and the aerogel belongs to a typical mesoporous material. Owing to their particularly porous nature, are frequently used for modifying adsorption, sound insulation and thermal insulation materials. Chinese patent CN201810528284.X discloses an aerogel heat-insulating felt prepared by supercritical drying of an organic solvent and a preparation method thereof, and relates to the technical field of dielectric materials, wherein the aerogel heat-insulating felt is mainly prepared by sequentially carrying out sol, gelling, aging and supercritical drying of the organic solvent on silica aerogel and reinforcing fibers; the silica aerogel comprises a silicon source, a hydrophilic modifier and shadingThe agent comprises silicon source of tetraethoxysilane, hydrophilic modifier of methyltriethoxysilane and opacifier of zirconium dioxide; the medium for supercritical drying of the organic solvent is one of alcohol, alkane and ketone. The aerogel heat insulation felt prepared by the invention maintains the excellent performance of the aerogel, improves the strength and heat resistance of the material, and overcomes the defects of poor mechanical strength, large brittleness and the like of the existing aerogel material. Although the prior art can prepare materials with good heat insulation performance, the preparation process is complex, the requirement on equipment is high, and the mechanical property of the prepared heat insulation felt needs to be further improved.
Disclosure of Invention
One of the technical problems to be solved by the invention is as follows: aiming at the defects in the prior art, the high-strength aerogel modified heat insulation felt is provided, an aluminum silicate fiber felt is used as a base material, and a polyamide nanofiber/carbon nanotube composite gel coating and a silicon aerogel modified fluorocarbon resin coating are sequentially arranged on the surface of the aluminum silicate fiber felt, so that the heat insulation felt with multiple heat insulation functions is prepared. The heat insulation felt disclosed by the invention has a good heat insulation function, a certain self-cleaning function and good mechanical properties.
The second technical problem to be solved by the invention is to provide a preparation method of the high-strength aerogel modified heat insulation felt aiming at the defects of the prior art, the method is simple to operate, and the prepared heat insulation felt is excellent in heat insulation performance and good in mechanical property.
In order to solve the first technical problem, the technical scheme of the invention is as follows:
a high-strength aerogel modified heat insulation felt comprises an aluminum silicate fiber felt base material, and a polyamide nanofiber/carbon nanotube composite gel coating and a silicon aerogel modified fluorocarbon resin coating which are sequentially arranged on the aluminum silicate fiber felt base material; in the polyamide nanofiber/carbon nanotube fiber composite gel coating, the mass ratio of the polyamide nanofiber to the carbon nanotube is 7: (1-3); the silicon aerogel modified fluorocarbon resin coating comprises polymer modified nano silicon dioxide aerogel, fluorocarbon resin and an auxiliary agent.
Preferably, the auxiliary agent is a defoaming agent, a film forming auxiliary agent, a thickening agent and a leveling agent. Further, the defoaming agent is preferably a modified polysiloxane defoaming agent EFKA-2524; the film-forming auxiliary agent is preferably 3-methoxy-3-methyl-1-butanol; the thickener is preferably guar gum; the leveling agent is preferably an Effka EFKA-3888 leveling agent.
Preferably, the silicon aerogel modified fluorocarbon resin coating comprises, by weight, 2-5 parts of polymer modified silicon dioxide aerogel, 30-40 parts of fluorocarbon resin, 0.1-0.5 part of defoaming agent, 1-2 parts of film forming aid, 0.1-0.2 part of thickening agent and 0.1-0.2 part of leveling agent.
Preferably, in the above technical solution, the fluorocarbon resin is one of polytetrafluoroethylene resin and polyvinylidene fluoride resin.
In order to solve the second technical problem, the technical solution of the present invention is:
a preparation method of a high-strength aerogel modified heat insulation felt comprises the following steps:
(1) dispersing polyamide nano-fibers in a mixed solvent of water and tert-butyl alcohol to prepare a polyamide nano-fiber dispersion liquid with the mass concentration of 1-2%; dispersing the carbon nano tube in a mixed solvent of water and tertiary butanol to prepare a carbon nano tube dispersion liquid with the mass concentration of 0.8-1.5%; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and then carrying out ultrasonic treatment to prepare a mixed dispersion liquid;
(2) placing the aluminum silicate fiber felt into the mixed dispersion liquid for dipping treatment, taking out the aluminum silicate fiber felt for freeze drying treatment, and obtaining the aluminum silicate fiber felt modified by the polyamide nanofiber/carbon nanotube aerogel coating;
(3) dispersing nano-silica aerogel powder in deionized water to obtain nano-silica aerogel dispersion liquid, dispersing acrylamide monomers in deionized water, adding the prepared nano-silica aerogel dispersion liquid, sodium dodecyl benzene sulfonate and N, N-methylene bisacrylamide, uniformly mixing, adding an initiator, heating for reaction, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) and (3) uniformly mixing and stirring fluorocarbon resin, polymer modified silicon dioxide aerogel, an auxiliary agent and deionized water to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, performing impregnation treatment, and then performing heat preservation treatment to obtain the high-strength aerogel modified heat insulation felt.
Preferably, in the step (1), the volume ratio of water to tert-butanol in the mixed solvent is 3: (1-2).
Preferably, in the step (2), the usage ratio of the alumina silicate fiber mat to the mixed dispersion is (5-7) g: 100 ml.
As a preferable mode of the above-mentioned means, in the step (3), the temperature-increasing reaction conditions are: the reaction time is 1-2h at 70-90 ℃.
Preferably, in the step (3), the components are used in the following amounts by weight: 3-7 parts of nano silicon dioxide aerogel powder, 20-40 parts of acrylamide monomer, 0.01-0.05 part of sodium dodecyl benzene sulfonate, 0.01-0.02 part of N, N-methylene bisacrylamide and 0.1-0.2 part of initiator.
Preferably, in the step (4), the conditions of the heat-retaining treatment are as follows: firstly, heat preservation treatment is carried out for 1-2h at 60-70 ℃, then the temperature is raised to 100 ℃ at the speed of 1 ℃/min, heat preservation treatment is carried out for 30-60min, finally the temperature is raised to 120 ℃ at the speed of 0.5 ℃/min, and heat preservation treatment is carried out for 1-2 h.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the high-strength aerogel modified heat insulation felt provided by the invention comprises an aluminum silicate fiber felt base material, and a polyamide nanofiber/carbon nanotube composite gel coating and a silicon aerogel modified fluorocarbon resin coating which are sequentially arranged on the aluminum silicate fiber felt base material. The polyamide nanofiber has good mechanical properties, the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid are mixed and used for modifying the aluminum silicate fiber felt matrix, the polyamide nanofiber and the carbon nanotube are mutually interpenetrated and crosslinked, and a 3D interconnected porous structure coating is formed after freeze drying, and the coating has good bonding performance with the aluminum silicate fiber felt matrix and good mechanical properties. And then the aluminum silicate fiber felt is placed in mixed slurry containing fluorocarbon resin for treatment, the treatment conditions are effectively controlled, the prepared fluorocarbon resin coating and the polyamide nanofiber/carbon nanotube composite aerogel coating have good combination performance, and the heat insulation performance and the mechanical property of the aluminum silicate fiber felt are effectively improved.
In the process of preparing the high-strength silicon aerogel modified heat insulation felt, firstly, the dispersion liquid of the polyamide nano fibers and the dispersion liquid of the carbon nano tubes are mixed, then, the mixture is self-assembled on the surface of the aluminum silicate fiber felt, the polyamide nano fibers and the carbon nano tubes are mutually interpenetrated and crosslinked, and after freeze drying treatment, the composite aerogel coating with the three-dimensional network structure is obtained. In order to better improve the performance of the heat insulation felt, the invention firstly adopts polyacrylamide to carry out in-situ modification on nano-silica aerogel to prepare polyacrylamide coated modified nano-silica aerogel, then the nano-silica aerogel is modified by fluorocarbon resin to obtain mixed slurry, the polyamide nano-fiber/carbon nano-tube composite aerogel coating modified aluminum silicate fiber felt is added, the dipping treatment and the staged heat preservation treatment are carried out, firstly, the mixed slurry at low temperature effectively permeates into the aluminum silicate fiber felt and is wetted with the polyamide nano-fiber/carbon nano-tube composite aerogel coating, then, the temperature is slowly raised, the heat preservation treatment is continued, the mixed slurry forms a certain polymer coating on the surface of the polyamide nano-fiber/carbon nano-tube composite aerogel coating, and finally, the temperature is continuously raised to remove the solvent, thus forming a compact coating. The heat insulation felt prepared by the invention has good heat insulation performance, excellent mechanical performance and certain self-cleaning performance.
Detailed Description
The invention is further illustrated by the following examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
The raw material sources and performance parameters adopted in the invention are as follows:
polyamide nanofibers: is prepared by melt spinning of PA66 from Xinxiang nylon Co, wherein the diameter of the polyamide fiber is 100 +/-5 nm, and the length of the polyamide fiber is 2-6 mu m.
Carbon nanotube: average diameter of 2-10nm and average length of 1-5 μm, and is available from Nanjing Xiancheng nanomaterial science and technology Limited.
Aluminum silicate fiber felt: purchased from Shandong Luyang energy saving materials, Inc.
Polytetrafluoroethylene resin: the particle diameter is 650 mu m, the apparent density is 0.4-0.5g/ml, and the particle size is purchased from Jinheng plastics Co., Ltd.
Nano silica aerogel powder: the density is 0.08g/ml, the thermal conductivity coefficient is 0.018 +/-0.002W/m.k, and the material is purchased from Suzhou Tongxuan new material Co.
Modified polysiloxane defoamer EFKA-2524, available from Effca adjuvant, Inc. of the Netherlands.
Effka EFKA-3888 leveling agent: available from polymer materials, Inc. of Yitong, Guangzhou.
Example 1
(1) Dispersing 1g of polyamide nanofiber in a mixed solvent of 30ml of water and 20ml of tert-butyl alcohol to prepare a polyamide nanofiber dispersion liquid; dispersing 0.4g of carbon nano tube in a mixed solvent of 30ml of water and 20ml of tertiary butanol to prepare a carbon nano tube dispersion liquid; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and performing ultrasonic treatment for 30min at 500W to obtain a mixed dispersion liquid;
(2) soaking 10g of aluminum silicate fiber felt in 200ml of the mixed dispersion liquid for 2 hours, taking out the aluminum silicate fiber felt, and performing freeze drying treatment at the temperature of minus 5 ℃ for 20 hours to obtain the aluminum silicate fiber felt modified by the polyamide nanofiber/carbon nanotube aerogel coating;
(3) dispersing 3 parts of nano-silica aerogel powder in 50ml of deionized water to obtain nano-silica aerogel dispersion liquid, dispersing 20 parts of acrylamide monomer in 100ml of deionized water, adding the prepared nano-silica aerogel dispersion liquid, 0.01-part of sodium dodecyl benzene sulfonate and 0.01 part of N, N-methylene bisacrylamide, uniformly mixing, adding 0.1 part of initiator, reacting at 70 ℃ for 1 hour, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) and (2) mixing and stirring 30 parts of polytetrafluoroethylene resin, 2 parts of polymer modified silica aerogel, 0.1 part of modified polysiloxane defoamer EFKA-2524, 1 part of 3-methoxy-3-methyl-1-butanol, 0.1 part of guar gum, 0.1 part of Effka EFKA-3888 flatting agent and 80 parts of deionized water uniformly to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, soaking at normal temperature for 2 hours, then carrying out heat preservation treatment at 60 ℃ for 1 hour, then heating to 100 ℃ at the speed of 1 ℃/min, carrying out heat preservation treatment for 30min, finally heating to 120 ℃ at the speed of 0.5 ℃/min, and carrying out heat preservation treatment for 1 hour to obtain the high-strength aerogel modified heat insulation felt.
Example 2
(1) Dispersing 1g of polyamide nanofiber in a mixed solvent of 30ml of water and 20ml of tert-butyl alcohol to prepare a polyamide nanofiber dispersion liquid; dispersing 0.4g of carbon nano tube in a mixed solvent of 30ml of water and 20ml of tertiary butanol to prepare a carbon nano tube dispersion liquid; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and performing ultrasonic treatment for 30min at 500W to obtain a mixed dispersion liquid;
(2) soaking 14g of aluminum silicate fiber felt in 200ml of the mixed dispersion liquid for 3 hours, taking out the aluminum silicate fiber felt, and performing freeze drying treatment at the temperature of minus 5 ℃ for 20 hours to obtain the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt;
(3) dispersing 7 parts of nano-silica aerogel powder in 50ml of deionized water to obtain nano-silica aerogel dispersion liquid, dispersing 40 parts of acrylamide monomer in 100ml of deionized water, adding the prepared nano-silica aerogel dispersion liquid, 0.05 part of sodium dodecyl benzene sulfonate and 0.02 part of N, N-methylene bisacrylamide, uniformly mixing, adding 0.2 part of initiator, reacting at 90 ℃ for 2 hours, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) uniformly mixing and stirring 40 parts of polytetrafluoroethylene resin, 5 parts of polymer modified silicon dioxide aerogel, 0.5 part of modified polysiloxane defoamer EFKA-2524, 2 parts of 3-methoxy-3-methyl-1-butanol, 0.2 part of guar gum, 0.2 part of Effka EFKA-3888 flatting agent and 80 parts of deionized water to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, soaking at normal temperature for 2 hours, then carrying out heat preservation treatment at 70 ℃ for 2 hours, then heating to 100 ℃ at the speed of 1 ℃/min, carrying out heat preservation treatment for 60 minutes, finally heating to 120 ℃ at the speed of 0.5 ℃/min, and carrying out heat preservation treatment for 2 hours to obtain the high-strength aerogel modified heat insulation felt.
Example 3
(1) Dispersing 1g of polyamide nanofiber in a mixed solvent of 30ml of water and 20ml of tert-butyl alcohol to prepare a polyamide nanofiber dispersion liquid; dispersing 0.4g of carbon nano tube in a mixed solvent of 30ml of water and 20ml of tertiary butanol to prepare a carbon nano tube dispersion liquid; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and performing ultrasonic treatment for 30min at 500W to obtain a mixed dispersion liquid;
(2) dipping 11g of aluminum silicate fiber felt in 200ml of the mixed dispersion liquid for 2 hours, taking out the aluminum silicate fiber felt, and carrying out freeze drying treatment at-5 ℃ for 20 hours to obtain the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt;
(3) dispersing 4 parts of nano-silica aerogel powder in 50ml of deionized water to obtain nano-silica aerogel dispersion liquid, dispersing 30 parts of acrylamide monomer in 100ml of deionized water, adding the prepared nano-silica aerogel dispersion liquid, 0.02 part of sodium dodecyl benzene sulfonate and 0.01 part of N, N-methylene bisacrylamide, uniformly mixing, adding 0.1 part of initiator, reacting at 80 ℃ for 1 hour, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) mixing and stirring uniformly 35 parts of polytetrafluoroethylene resin, 3 parts of polymer modified silicon dioxide aerogel, 0.2 part of modified polysiloxane defoamer EFKA-2524, 1.5 parts of 3-methoxy-3-methyl-1-butanol, 0.1 part of guar gum, 0.2 part of Effka EFKA-3888 flatting agent and 80 parts of deionized water to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, soaking at normal temperature for 2 hours, then carrying out heat preservation treatment at 60 ℃ for 2 hours, then heating to 100 ℃ at the speed of 1 ℃/min, carrying out heat preservation treatment for 40min, finally heating to 120 ℃ at the speed of 0.5 ℃/min, and carrying out heat preservation treatment for 1 hour to obtain the high-strength aerogel modified heat insulation felt.
Example 4
(1) Dispersing 1g of polyamide nanofiber in a mixed solvent of 30ml of water and 20ml of tert-butyl alcohol to prepare a polyamide nanofiber dispersion liquid; dispersing 0.4g of carbon nano tube in a mixed solvent of 30ml of water and 20ml of tertiary butanol to prepare a carbon nano tube dispersion liquid; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and performing ultrasonic treatment for 30min at 500W to obtain a mixed dispersion liquid;
(2) dipping 13g of aluminum silicate fiber felt in 200ml of the mixed dispersion liquid for 3h, taking out the aluminum silicate fiber felt, and carrying out freeze drying treatment at-5 ℃ for 20h to obtain the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt;
(3) dispersing 6 parts of nano-silica aerogel powder in 50ml of deionized water to obtain nano-silica aerogel dispersion liquid, dispersing 35 parts of acrylamide monomer in 100ml of deionized water, adding the prepared nano-silica aerogel dispersion liquid, 0.04 part of sodium dodecyl benzene sulfonate and 0.02 part of N, N-methylene bisacrylamide, uniformly mixing, adding 0.15 part of initiator, reacting at 80 ℃ for 2 hours, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) mixing and stirring uniformly 35 parts of polytetrafluoroethylene resin, 4 parts of polymer modified silica aerogel, 0.4 part of modified polysiloxane defoamer EFKA-2524, 2 parts of 3-methoxy-3-methyl-1-butanol, 0.1 part of guar gum, 0.2 part of Effka EFKA-3888 flatting agent and 80 parts of deionized water to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, soaking at normal temperature for 2 hours, then carrying out heat preservation treatment at 70 ℃ for 1 hour, then heating to 100 ℃ at the speed of 1 ℃/min, carrying out heat preservation treatment for 50min, finally heating to 120 ℃ at the speed of 0.5 ℃/min, and carrying out heat preservation treatment for 2 hours to obtain the high-strength aerogel modified heat insulation felt.
Comparative example 1
In the step (4), the polymer-modified silica aerogel was not added, and the other conditions were the same as in example 4.
Comparative example 2
The silica aerogel was not subjected to polymer modification, and the other conditions were the same as in example 4.
Comparative example 3
The polyamide fiber was modified without adding carbon nanotubes under the same conditions as in example 4.
The properties of the insulation blanket prepared as described above were tested.
1. Coefficient of thermal conductivity
Testing according to GB/T10294-2008. The thermal conductivity at room temperature was measured by means of a heat flow meter method (HFM 436, NETZSCH, Germany). 0.015
2. Tensile properties
The test is carried out by adopting the GB/T7911-2006 standard. 5.12
3. Contact Angle testing
And (3) measuring the waterproof performance of the heat insulation felt by adopting a CAM 200 contact angle tester.
The test results are shown in table 1.
TABLE 1
Thermal conductivity, W/m.k | Tensile strength, MPa | Contact angle, ° c | |
Example 1 | 0.018 | 5.12 | 155 |
Example 2 | 0.015 | 5.25 | 155 |
Example 3 | 0.015 | 5.18 | 150 |
Example 4 | 0.017 | 5.15 | 152 |
Comparative example 1 | 0.056 | 4.23 | 133 |
Comparative example 2 | 0.039 | 4.15 | 125 |
Comparative example 3 | 0.035 | 3.95 | 120 |
The test results show that the heat insulation felt prepared by the invention has good heat insulation performance, and excellent waterproof performance and mechanical performance.
Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a thermal-insulated felt of high strength aerogel modification which characterized in that: the silicon aerogel composite gel coating comprises an aluminum silicate fiber felt base material, and a polyamide nanofiber/carbon nanotube composite gel coating and a silicon aerogel modified fluorocarbon resin coating which are sequentially arranged on the aluminum silicate fiber felt base material; in the polyamide nanofiber/carbon nanotube fiber composite gel coating, the mass ratio of the polyamide nanofiber to the carbon nanotube is 7: (1-3); the silicon aerogel modified fluorocarbon resin coating comprises polymer modified nano silicon dioxide aerogel, fluorocarbon resin and an auxiliary agent.
2. The high strength aerogel modified insulation blanket of claim 1, wherein: the auxiliary agent is a defoaming agent, a film forming auxiliary agent, a thickening agent and a flatting agent.
3. The high strength aerogel modified insulation blanket of claim 2, wherein: the silicon aerogel modified fluorocarbon resin coating comprises, by weight, 2-5 parts of polymer modified silicon dioxide aerogel, 30-40 parts of fluorocarbon resin, 0.1-0.5 part of defoaming agent, 1-2 parts of film forming additive, 0.1-0.2 part of thickening agent and 0.1-0.2 part of flatting agent.
4. The high strength aerogel modified insulation blanket of claim 1, wherein: the fluorocarbon resin is one of polytetrafluoroethylene resin and polyvinylidene fluoride resin.
5. The method of preparing a high strength aerogel modified insulation blanket according to any of claims 1 to 4, comprising the steps of:
(1) dispersing polyamide nano-fibers in a mixed solvent of water and tert-butyl alcohol to prepare a polyamide nano-fiber dispersion liquid with the mass concentration of 1-2%; dispersing the carbon nano tube in a mixed solvent of water and tertiary butanol to prepare a carbon nano tube dispersion liquid with the mass concentration of 0.8-1.5%; mixing the polyamide nanofiber dispersion liquid and the carbon nanotube dispersion liquid, and then carrying out ultrasonic treatment to prepare a mixed dispersion liquid;
(2) placing the aluminum silicate fiber felt into the mixed dispersion liquid for dipping treatment, taking out the aluminum silicate fiber felt for freeze drying treatment, and obtaining the aluminum silicate fiber felt modified by the polyamide nanofiber/carbon nanotube aerogel coating;
(3) dispersing nano-silica aerogel powder in deionized water to obtain nano-silica aerogel dispersion liquid, dispersing acrylamide monomers in deionized water, adding the prepared nano-silica aerogel dispersion liquid, sodium dodecyl benzene sulfonate and N, N-methylene bisacrylamide, uniformly mixing, adding an initiator, heating for reaction, filtering after the reaction is finished, and drying the solid to obtain polymer modified nano-silica aerogel;
(4) and (3) uniformly mixing and stirring fluorocarbon resin, polymer modified silicon dioxide aerogel, an auxiliary agent and deionized water to prepare mixed slurry, then placing the polyamide nanofiber/carbon nanotube aerogel coating modified aluminum silicate fiber felt prepared in the step (2) into the mixed slurry, performing impregnation treatment, and then performing heat preservation treatment to obtain the high-strength aerogel modified heat insulation felt.
6. The method of claim 5, wherein the method comprises the steps of: in the step (1), the volume ratio of water to tert-butyl alcohol in the mixed solvent is 3: (1-2).
7. The method of claim 5, wherein the method comprises the steps of: in the step (2), the dosage ratio of the aluminum silicate fiber felt to the mixed dispersion liquid is (5-7) g: 100 ml.
8. The method of claim 5, wherein the method comprises the steps of: in the step (3), the temperature-raising reaction conditions are as follows: the reaction time is 1-2h at 70-90 ℃.
9. The method of claim 5, wherein the method comprises the steps of: in the step (3), the dosage of each component is as follows by weight: 3-7 parts of nano silicon dioxide aerogel powder, 20-40 parts of acrylamide monomer, 0.01-0.05 part of sodium dodecyl benzene sulfonate, 0.01-0.02 part of N, N-methylene bisacrylamide and 0.1-0.2 part of initiator.
10. The method of claim 5, wherein the method comprises the steps of: in the step (4), the heat preservation treatment conditions are as follows: firstly, heat preservation treatment is carried out for 1-2h at 60-70 ℃, then the temperature is raised to 100 ℃ at the speed of 1 ℃/min, heat preservation treatment is carried out for 30-60min, finally the temperature is raised to 120 ℃ at the speed of 0.5 ℃/min, and heat preservation treatment is carried out for 1-2 h.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011579818.5A CN112709075A (en) | 2020-12-28 | 2020-12-28 | High-strength aerogel modified heat insulation felt and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011579818.5A CN112709075A (en) | 2020-12-28 | 2020-12-28 | High-strength aerogel modified heat insulation felt and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112709075A true CN112709075A (en) | 2021-04-27 |
Family
ID=75545782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011579818.5A Pending CN112709075A (en) | 2020-12-28 | 2020-12-28 | High-strength aerogel modified heat insulation felt and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112709075A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114892415A (en) * | 2022-05-10 | 2022-08-12 | 张艮中 | Heat-preservation and heat-insulation coiled material and preparation method thereof |
CN114715896B (en) * | 2022-04-14 | 2023-07-25 | 中国科学技术大学先进技术研究院 | Preparation method of silicon carbide nanotube aerogel |
CN116553565A (en) * | 2023-07-12 | 2023-08-08 | 廊谷(天津)新材料科技有限公司 | Preparation method of silica aerogel powder |
CN117247268A (en) * | 2023-11-17 | 2023-12-19 | 四川大学 | High-strength and high-heat-insulation aerogel as well as preparation method and application thereof |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102964140A (en) * | 2011-08-31 | 2013-03-13 | 深圳光启高等理工研究院 | Preparation method of metamaterial dielectric substrate |
CN103285920A (en) * | 2013-05-27 | 2013-09-11 | 东华大学 | Three-dimensional fiber-based aerogel catalyst carrier and preparation method thereof |
CN105236426A (en) * | 2015-10-13 | 2016-01-13 | 中国石油天然气股份有限公司 | Polymer modified SiO doped with nano carbon fiber2Aerogel and its preparation method |
CN106945362A (en) * | 2017-04-01 | 2017-07-14 | 东华大学 | Framework enhancing aeroge heat insulating material and its preparation with Waterproof Breathable function |
CN109433024A (en) * | 2018-10-30 | 2019-03-08 | 武汉纺织大学 | Membrane material or aerogel material containing metal organic framework nanofiber and the preparation method and application thereof |
CN109847661A (en) * | 2019-01-28 | 2019-06-07 | 合肥工业大学 | A kind of preparation method of graphene oxide and silver nanowires assembling three-dimensional elasticity hydrogel |
CN110982114A (en) * | 2019-12-11 | 2020-04-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aramid fiber/carbon nanotube hybrid aerogel film, and preparation method and application thereof |
CN111040237A (en) * | 2019-12-25 | 2020-04-21 | 陕西科技大学 | Conductive aramid nanofiber composite aerogel and preparation method thereof |
CN111777952A (en) * | 2020-06-12 | 2020-10-16 | 上海嗣高新材料科技有限公司 | Aerogel and nano hydrotalcite synergistic fireproof sealant and preparation method thereof |
CN111803854A (en) * | 2020-07-21 | 2020-10-23 | 中国矿业大学 | Nano-polymer aerogel fire extinguishing material for preventing and treating high-temperature coal fire and preparation method thereof |
-
2020
- 2020-12-28 CN CN202011579818.5A patent/CN112709075A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102964140A (en) * | 2011-08-31 | 2013-03-13 | 深圳光启高等理工研究院 | Preparation method of metamaterial dielectric substrate |
CN103285920A (en) * | 2013-05-27 | 2013-09-11 | 东华大学 | Three-dimensional fiber-based aerogel catalyst carrier and preparation method thereof |
CN105236426A (en) * | 2015-10-13 | 2016-01-13 | 中国石油天然气股份有限公司 | Polymer modified SiO doped with nano carbon fiber2Aerogel and its preparation method |
CN106945362A (en) * | 2017-04-01 | 2017-07-14 | 东华大学 | Framework enhancing aeroge heat insulating material and its preparation with Waterproof Breathable function |
CN109433024A (en) * | 2018-10-30 | 2019-03-08 | 武汉纺织大学 | Membrane material or aerogel material containing metal organic framework nanofiber and the preparation method and application thereof |
CN109847661A (en) * | 2019-01-28 | 2019-06-07 | 合肥工业大学 | A kind of preparation method of graphene oxide and silver nanowires assembling three-dimensional elasticity hydrogel |
CN110982114A (en) * | 2019-12-11 | 2020-04-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | Aramid fiber/carbon nanotube hybrid aerogel film, and preparation method and application thereof |
CN111040237A (en) * | 2019-12-25 | 2020-04-21 | 陕西科技大学 | Conductive aramid nanofiber composite aerogel and preparation method thereof |
CN111777952A (en) * | 2020-06-12 | 2020-10-16 | 上海嗣高新材料科技有限公司 | Aerogel and nano hydrotalcite synergistic fireproof sealant and preparation method thereof |
CN111803854A (en) * | 2020-07-21 | 2020-10-23 | 中国矿业大学 | Nano-polymer aerogel fire extinguishing material for preventing and treating high-temperature coal fire and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
HIBA RAMADAN: "Synthesis and Characterization of Mesoporous Hybrid Silica-Polyacrylamide Aerogels and Xerogels", 《ORIGINAL PAPER》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114715896B (en) * | 2022-04-14 | 2023-07-25 | 中国科学技术大学先进技术研究院 | Preparation method of silicon carbide nanotube aerogel |
CN114892415A (en) * | 2022-05-10 | 2022-08-12 | 张艮中 | Heat-preservation and heat-insulation coiled material and preparation method thereof |
CN114892415B (en) * | 2022-05-10 | 2023-12-22 | 张艮中 | Heat-preserving and heat-insulating coiled material and preparation method thereof |
CN116553565A (en) * | 2023-07-12 | 2023-08-08 | 廊谷(天津)新材料科技有限公司 | Preparation method of silica aerogel powder |
CN116553565B (en) * | 2023-07-12 | 2023-09-08 | 廊谷(天津)新材料科技有限公司 | Preparation method of silica aerogel powder |
CN117247268A (en) * | 2023-11-17 | 2023-12-19 | 四川大学 | High-strength and high-heat-insulation aerogel as well as preparation method and application thereof |
CN117247268B (en) * | 2023-11-17 | 2024-01-23 | 四川大学 | High-strength and high-heat-insulation aerogel as well as preparation method and application thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112709075A (en) | High-strength aerogel modified heat insulation felt and preparation method thereof | |
CN108658572B (en) | Preparation method of anti-falling powder aerogel composite heat-preservation felt | |
CN101219873B (en) | Nano-porous thermal insulating material and method for producing the same | |
CN103360019B (en) | The preparation method of the silicon dioxide silica aerogel composite material that silicon carbide fiber felt strengthens | |
CN109095883B (en) | Fiber-reinforced alumina-silica binary aerogel composite material and preparation method thereof | |
CN102795826A (en) | Aerogel/inorganic lightweight aggregate composite thermal insulation material and preparation method thereof | |
CN109232850A (en) | A kind of fire-retardant low thermal conductivity rigid polyurethane foam of aeroge modified heat resistant and preparation method thereof | |
CN104446306A (en) | Submicron inorganic whisker aerogel thermal insulation composite and preparation method thereof | |
CN1888302A (en) | Process for producing nano porous flexible felt composite material and application | |
CN109251005B (en) | Preparation method of reinforced silica aerogel material | |
CN113663611B (en) | High-temperature-resistant composite nanofiber aerogel material and preparation method thereof | |
CN115583829B (en) | Low-thermal-conductivity fiber composite aerogel wet felt and preparation method thereof | |
CN110510617B (en) | Normal-pressure drying preparation method of large-size alumina-silica aerogel | |
CN111348886A (en) | Preparation method of thermal-insulation flexible silica aerogel | |
CN112919924A (en) | High-strength lightweight concrete and preparation method thereof | |
CN112897980A (en) | Preparation method of fiber-reinforced silica aerogel thermal insulation material | |
CN114835467A (en) | High-temperature-resistant fiber-reinforced aerogel composite material and preparation method thereof | |
CN104496401A (en) | Efficient thermal-insulation aerogel composite plate and preparation method thereof | |
CN114933485A (en) | Whisker/fiber reinforced cordierite porous ceramic and preparation method and application thereof | |
CN102807326B (en) | Polymer-modified low temperature foaming glass thermal insulation material and preparation method thereof | |
Jia et al. | Controllable preparation of aerogel/expanded perlite composite and its application in thermal insulation mortar | |
CN108484097B (en) | Preparation method of lignin-enhanced silicon dioxide aerogel felt | |
CN106431168A (en) | Method for preparing bulk-shaped flexible aerogel through normal-pressure drying | |
CN114890750B (en) | Intelligent temperature control concrete for bridge main tower in plateau environment and preparation method thereof | |
CN115975251A (en) | Preparation method of heat-preservation and heat-insulation cellulose aerogel composite material |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210729 Address after: 215000 699 Maopeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: SUZHOU JUNYUE NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Room 1304, Wuluo Science Park, 393 chunshenhu Middle Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: Suzhou qichuangxin Material Technology Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |
|
RJ01 | Rejection of invention patent application after publication |