CN108002827A - A kind of preparation method of insulated type ceramic heat-dissipating nanocomposite - Google Patents
A kind of preparation method of insulated type ceramic heat-dissipating nanocomposite Download PDFInfo
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- CN108002827A CN108002827A CN201711098908.0A CN201711098908A CN108002827A CN 108002827 A CN108002827 A CN 108002827A CN 201711098908 A CN201711098908 A CN 201711098908A CN 108002827 A CN108002827 A CN 108002827A
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- kaolin
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- 239000000919 ceramic Substances 0.000 title claims abstract description 89
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 34
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002086 nanomaterial Substances 0.000 claims abstract description 28
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical class OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims abstract description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- -1 polysiloxanes Polymers 0.000 claims abstract description 16
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 14
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 14
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 14
- 230000004048 modification Effects 0.000 claims abstract description 10
- 238000012986 modification Methods 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 66
- 238000005245 sintering Methods 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 29
- 238000007731 hot pressing Methods 0.000 claims description 26
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 235000019441 ethanol Nutrition 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 238000000498 ball milling Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 15
- 239000004793 Polystyrene Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 13
- 239000011268 mixed slurry Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 230000007480 spreading Effects 0.000 claims description 13
- 238000003892 spreading Methods 0.000 claims description 13
- 239000011701 zinc Substances 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical class CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 10
- 229920002223 polystyrene Polymers 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 239000003643 water by type Substances 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 8
- 238000002444 silanisation Methods 0.000 abstract description 3
- 238000011282 treatment Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 241000269350 Anura Species 0.000 abstract 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- MFXMOUUKFMDYLM-UHFFFAOYSA-L zinc;dihydrogen phosphate Chemical compound [Zn+2].OP(O)([O-])=O.OP(O)([O-])=O MFXMOUUKFMDYLM-UHFFFAOYSA-L 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 239000002131 composite material Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical class [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
-
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/026—After-treatment
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
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- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/449—Organic acids, e.g. EDTA, citrate, acetate, oxalate
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of preparation method of insulated type ceramic heat-dissipating nanocomposite, using 34 nano materials of kaolin/SAPO, montmorillonite, nano-calcium carbonate, modified urea-formaldehyde resin, polymeric modification phenolic resin, polysiloxanes, zirconium oxide, zinc dihydrogen phosphate, isopropyl acrylate as primary raw material, by the way that 34 nano material silanization treatments of kaolin/SAPO are modified the compound insulated type ceramic heat emission material for preparing excellent performance of Lauxite again；The present invention has excellent insulating properties and heat dissipation performance by the way that 34 nano material silanization treatments of kaolin/SAPO are modified the compound insulated type ceramic heat emission material prepared of Lauxite again.
Description
Technical field
Invention is related to a kind of preparation method of insulated type ceramic nanocomposites, belongs to the standby neck of ceramic system
Domain.
Background technology
LED is referred to as forth generation light source, has the advantages that energy-saving and environmental protection, safety, low energy consumption, high brightness, in daily life
In be widely used, the heat dissipation performance of lamp body in itself is most important, directly influences the service life and illuminating effect of lamps and lanterns.It is existing
Some heat sink materials mainly have metallic aluminium and aluminium alloy, aluminium oxide ceramics, heat-conducting plastic etc..Aluminium and aluminium alloy thermal conductivity are high, but
Heat dissipation performance is not so good as aluminium oxide ceramics and heat-conducting plastic, and aluminium and aluminium alloy are the good conductors of electricity, are had necessarily as radiator
Security risk.And ceramic heat emission material has insulation, heat-resisting, thermal coefficient of expansion is low, the characteristic such as stable, make the anti-height of radiator
Press, is indeformable, not aoxidizing and there is similar thermal coefficient of expansion with chip, but ceramic substrate thermal conductivity factor is low, cannot meet big
The radiating requirements of power.
The content of the invention
It is an object of the invention to provide a kind of insulated type ceramic heat-dissipating nanocomposite and preparation method thereof, by this
Material prepared by method has excellent heat dissipation effect.
A kind of preparation method of insulated type ceramic heat-dissipating nanocomposite, this method comprise the following steps：
Step 1, by 30 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
The modified kaolin/SAPO-34 preparation method of nano material is as follows：
Step 1, the kaolin and 0.1kg SAPO-34 zeolite powders for drying 0.3kg, activate at 500 DEG C, are distributed to
In 10L ethanol, the mixture of compound kaolin and ethanol is transferred in the three-necked flask equipped with 2L ammonium hydroxide after ball milling, will
Temperature is increased to 60 DEG C, heats 1h, the TEOS of the 1L then added, continues stirring 6, the slurry mistake that will be obtained
Filter, is washed 3 times with ethanol, finally obtains kaolin/SAPO-34 filter cakes of short chain modifier modification；
Step 2, by 2mL gamma-aminopropyl-triethoxy-silanes be added to aquation 1h in the mixture of 0.5mL water and 10mL ethanol,
PH is adjusted to 4 with acetic anhydride, 1h is stirred, obtains the hydrolyzate of gamma-aminopropyl-triethoxy-silane；
Step 3, by the kaolin/SAPO-34 filter cakes 0.2Kg for the short chain modifier modification that step 1 obtains be re-dispersed into ethanol
In, the hydrolyzate for the 20ml gamma-aminopropyl-triethoxy-silanes that step 2 obtains is added, stirring reaction 1h, is filtered, ethanol
Three times, 110 DEG C of dry 12h, obtain the modified kaolin/SAPO-34 nanometers of material that surface carries amido functional group for washing
Material.
The modified urea-formaldehyde resin preparation method is as follows：
20g urea, 30mL formaldehyde and 250mL ionized waters, be added in three-necked flask by step 1, with sodium carbonate by the PH of solution
Value brings up to 8, and temperature is increased to 75 DEG C, continuously stirs 1h, obtains the prepolymer of Lauxite；
Step 2, take the polystyrene PS that 30g molecular weight is 190,000, molten after being mixed with 10g Chloromethyl polystyrenes CMPS
Solution adds the nano oxidized iron particle that 6g average diameters are 5nm, stirring in 200mL, N, N dimethyl formamides DMF
It is set fully to dissolve obtained mixed solution；
Step 3, by the above-mentioned mixed liquors of 200mL, 100mL deionized waters and 8g neopelexes SDBS be added to three mouthfuls of burnings
In bottle, 2h is stirred at room temperature；Then the Lauxite prepolymer that step 1 obtains is added in flask, 90 DEG C of stirring 3h, it
After filter, wash, 120 DEG C of dry 12h, acquisition modified urea-formaldehyde resin.
Beneficial effect：Insulated type ceramic heat-dissipating nanocomposite prepared by the present invention, by kaolin/SAPO-34 nano materials
It is compound that silanization treatment is modified Lauxite again, is formed and dissipated using nano-calcium carbonate and SAPO-34 nano molecular sieves material
Hot particle, ensures that it all has high thermal conductivity and thermal diffusivity on radial and axial, and " bone is played in modified urea-formaldehyde resin
Frame " acts on, and to form three-dimensional netted radiator structure, using the suction-operated of SAPO-34 zeolite nano materials, can overlap and change
Property Lauxite can make it that the nano materials such as molecular sieve and calcium carbonate are attached on kaolin internal flaw and surface upper,
So that composite material all has high thermal conductivity and thermal diffusivity on radial and axial；In addition, Lauxite and polyene are modified
After material mixing, effect parcel could be formed with so that insulating materials covers comprehensively, forms active surface covering and is attacked with space,
While so that ceramics have excellent heat conductivity, also possesses good insulating properties.
Embodiment
Embodiment 1
Comprise the following steps：
Step 1, by 30 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
The modified kaolin/SAPO-34 preparation method of nano material is as follows：
Step 1, the kaolin and 0.1kg SAPO-34 zeolite powders for drying 0.3kg, activate at 500 DEG C, are distributed to
In 10L ethanol, the mixture of compound kaolin and ethanol is transferred in the three-necked flask equipped with 2L ammonium hydroxide after ball milling, will
Temperature is increased to 60 DEG C, heats 1h, the TEOS of the 1L then added, continues stirring 6, the slurry mistake that will be obtained
Filter, is washed 3 times with ethanol, finally obtains kaolin/SAPO-34 filter cakes of short chain modifier modification；
Step 2, by 2mL gamma-aminopropyl-triethoxy-silanes be added to aquation 1h in the mixture of 0.5mL water and 10mL ethanol,
PH is adjusted to 4 with acetic anhydride, 1h is stirred, obtains the hydrolyzate of gamma-aminopropyl-triethoxy-silane；
Step 3, by the kaolin/SAPO-34 filter cakes 0.2Kg for the short chain modifier modification that step 1 obtains be re-dispersed into ethanol
In, the hydrolyzate for the 20ml gamma-aminopropyl-triethoxy-silanes that step 2 obtains is added, stirring reaction 1h, is filtered, ethanol
Three times, 110 DEG C of dry 12h, obtain the modified kaolin/SAPO-34 nanometers of material that surface carries amido functional group for washing
Material.
The modified urea-formaldehyde resin preparation method is as follows：
20g urea, 30mL formaldehyde and 250mL ionized waters, be added in three-necked flask by step 1, with sodium carbonate by the PH of solution
Value brings up to 8, and temperature is increased to 75 DEG C, continuously stirs 1h, obtains the prepolymer of Lauxite；
Step 2, take the polystyrene PS that 30g molecular weight is 190,000, molten after being mixed with 10g Chloromethyl polystyrenes CMPS
Solution adds the nano oxidized iron particle that 6g average diameters are 5nm, stirring in 200mL, N, N dimethyl formamides DMF
It is set fully to dissolve obtained mixed solution；
Step 3, by the above-mentioned mixed liquors of 200mL, 100mL deionized waters and 8g neopelexes SDBS be added to three mouthfuls of burnings
In bottle, 2h is stirred at room temperature；Then the Lauxite prepolymer that step 1 obtains is added in flask, 90 DEG C of stirring 3h, it
After filter, wash, 120 DEG C of dry 12h, acquisition modified urea-formaldehyde resin.
Embodiment 2
Step 1, by 15 parts of modified kaolins/SAPO-34 nano materials, 18 parts of montmorillonites, 30 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 3
Step 1, by 20 parts of modified kaolins/SAPO-34 nano materials, 20 parts of montmorillonites, 10 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 4
Step 1, by 10 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 15 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 5
Step 1, by 20 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 35 parts of modified urea-formaldehyde resin, 20 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 6
Step 1, by 10 parts of modified kaolins/SAPO-34 nano materials, 20 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 15 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 22 parts of zirconium oxide, biphosphate in ball mill
15 parts of 16 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 7
Step 1, by 10 parts of modified kaolins/SAPO-34 nano materials, 30 parts of montmorillonites, 5 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 5 parts of modified urea-formaldehyde resin, 20 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 15 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 8
Step 1, by 30 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 35 parts of modified urea-formaldehyde resin, 20 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
25 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 9
Step 1, by 10 parts of modified kaolins/SAPO-34 nano materials, 30 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 15 parts of modified urea-formaldehyde resin, 20 parts of polysiloxanes, 10 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 5 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, carry out
De-bubble is stirred under vacuum, ceramic slurry is made, it is spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 10
Step 1, by 15 parts of modified kaolins/SAPO-34 nano materials, 15 parts of montmorillonites, 10 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
35 parts of 6 parts of zinc, 20 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
Remaining is prepared and embodiment 1 is identical.
Embodiment 11
Step 1, by 30 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 10 parts of modified magnesium carbonate, 20 parts of nanometers
Calcium carbonate, which is scattered in 200 parts of absolute ethyl alcohols, forms mixed slurry, dry obtained complex sintering aids, spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
The modification magnesium carbonate preparation method is as follows：
The nano-calcium carbonate magnesium that 200g particle diameters are 30nm is put into aqueous solution, with the mixing speed machine of 3000rpm at 20 DEG C
After tool stirring 15min, the aqueous dispersions of nano-calcium carbonate magnesium are obtained；15g is added into the aqueous dispersions of obtained nano-calcium carbonate magnesium
Modifer L monothio salicylic acid, at a temperature of 80 DEG C, is stirred under the rotating speed of 3000rpm, obtains the suspension of modified nano-meter caco 3 magnesium
Liquid；The suspension of gained is spray-dried, the rotating speed of spray drying is 16000rpm, and the temperature of spray drying is 100 DEG C,
Obtain nano-calcium carbonate magnesium base composite material, average grain diameter 330nm.
Reference examples 1
It is with 1 difference of embodiment：In step 1 prepared by modified kaolin/SAPO-34 nano materials, the height of 0.1kg dryings
Ridge soil and 0.3kg SAPO-34 zeolite powders, remaining step are identical with embodiment 1.
Reference examples 2
It is with 1 difference of embodiment：In step 1 prepared by modified kaolin/SAPO-34 nano materials, 0.3 dry kaolin
It is identical with embodiment 1 with 0.3kg SAPO-34 zeolite powders, remaining step.
Reference examples 3
It is with 1 difference of embodiment：, will with acetic anhydride in step 2 prepared by modified kaolin/SAPO-34 nano materials
PH is adjusted to 7, remaining step is identical with embodiment 1.
Reference examples 4
It is with 1 difference of embodiment：, will with acetic anhydride in step 2 prepared by modified kaolin/SAPO-34 nano materials
PH is adjusted to 12, remaining step is identical with embodiment 1.
Reference examples 5
It is with 1 difference of embodiment：In step 3 prepared by modified kaolin/SAPO-34 nano materials, add step 2 and obtain
10ml gamma-aminopropyl-triethoxy-silanes hydrolyzate, remaining step is identical with embodiment 1.
Reference examples 6
It is with 1 difference of embodiment：In step 3 prepared by modified kaolin/SAPO-34 nano materials, add step 2 and obtain
's:The hydrolyzate of 40ml gamma-aminopropyl-triethoxy-silanes, remaining step are identical with embodiment 1.
Reference examples 7
It is with 1 difference of embodiment：Modified urea-formaldehyde resin prepare step 1 in, by 10g urea, 30mL formaldehyde and 250mL from
Sub- water is added in three-necked flask, remaining step is identical with embodiment 1.
Reference examples 8
It is with 1 difference of embodiment：：In step 1 prepared by modified urea-formaldehyde resin, by 30g urea, 10mL formaldehyde and 250mL
Ionized water is added in three-necked flask, remaining step is identical with embodiment 1.
Reference examples 9
It is with 1 difference of embodiment：In step 2 prepared by modified urea-formaldehyde resin, the polystyrene that 10g molecular weight is 190,000 is taken
PS, is dissolved in 200mL after being mixed with 20g Chloromethyl polystyrenes CMPS, in N, N dimethyl formamides DMF, remaining step with
Embodiment 1 is identical.
Reference examples 10
It is with 1 difference of embodiment：In step 2 prepared by modified urea-formaldehyde resin, the polystyrene that 50g molecular weight is 190,000 is taken
PS, is dissolved in 200mL after being mixed with 30g Chloromethyl polystyrenes CMPS, in N, N dimethyl formamides DMF, remaining step with
Embodiment 1 is identical.
Choose the insulated type ceramic heat emission material being prepared and carry out performance detection respectively,
Test result
Test result indicates that insulation thermal Ceramics radiation nano composite material provided by the invention has good heat dissipation effect, material
Under national standard test condition, mechanical strength is certain, and thermal conductivity is higher, illustrates that heat dissipation effect is better, conversely, effect is poorer；
Embodiment 1 arrives embodiment 10, and volume resistivity reaches insulating materials standard, and thermal conductivity more than 150 W/ (mk), changes respectively
Become the proportioning of each raw material composition in ceramic heat-dissipating nanocomposite, have different degrees of shadow to the heat dissipation performance of material
Ring, be 5 in modified urea-formaldehyde resin, complex sintering aids quality proportioning：3, when other dispensing dosages are fixed, heat dissipation effect is best；
It is worth noting that embodiment 11 adds modified Nano magnesia, heat dissipation effect significantly improves, and illustrates modified Nano magnesia pair
The heat dissipation performance of ceramic packing structure has more preferable optimization function；Reference examples 1 to reference examples 4 change kaolin/SAPO-34 nanometers
Kaolin and SAPO-34 dosages and mixed solution PH, heat dissipation effect prepared by material is decreased obviously, and illustrates kaolin and molecular sieve
The modification of dosage and mixed liquor PH to composite material has an important influence on；Reference examples 5 change γ-aminopropyl three to reference examples 6
The dosage of Ethoxysilane, effect is also bad, illustrates that silane modifier dosage plays an important role composite modification；Reference examples
7 change the proportioning of Lauxite modified feedstock urea and formaldehyde to example 10, and heat dissipation effect substantially reduces, and illustrates urea and formaldehyde
Composite modified influence of the dosage on ceramic packing structure is very big；Therefore the insulated type ceramic heat-dissipating nanometer prepared using the present invention is answered
Condensation material has excellent heat dissipation effect.
Claims (3)
1. a kind of preparation method of insulated type ceramic heat-dissipating nanocomposite, it is characterised in that this method comprises the following steps：
Step 1, by 30 parts of modified kaolins/SAPO-34 nano materials, 10 parts of montmorillonites, 20 parts of nano-calcium carbonates be scattered in 200
Mixed slurry is formed in part absolute ethyl alcohol, dry obtained complex sintering aids are spare；
Step 2, toward sequentially adding 25 parts of modified urea-formaldehyde resin, 10 parts of polysiloxanes, 12 parts of zirconium oxide, biphosphate in ball mill
15 parts of 6 parts of zinc, 10 parts of isopropyl acrylate and complex sintering aids made from step 1 progress wet ball grindings, when ball milling 2 is small, into
Row is stirred under vacuum de-bubble, and ceramic slurry is made, spare；
Step 3, by ceramic slurry made from above-mentioned steps by mold bottom press-in die, place naturally and complete gel process,
Ceramic green sheet is taken out when drying 2 is small under the conditions of temperature 60 C, ceramic body monolithic spreading alumina powder is then folded into 2 layers of placement
On load bearing board, be put into hot pressing die be placed in hot pressing furnace at 1500 DEG C sintering 0.5 it is small when, continue to improve temperature to 1750 DEG C
It is lower insulation 0.5 it is small when, cooling down obtains ceramic heat-dissipating nanocomposite.
A kind of 2. preparation method of insulated type ceramic heat-dissipating nanocomposite according to claim 1, it is characterised in that
The modified kaolin/SAPO-34 preparation method of nano material is as follows：
Step 1, the kaolin and 0.1kg SAPO-34 zeolite powders for drying 0.3kg, activate at 500 DEG C, are distributed to
In 10L ethanol, the mixture of compound kaolin and ethanol is transferred in the three-necked flask equipped with 2L ammonium hydroxide after ball milling, will
Temperature is increased to 60 DEG C, heats 1h, the TEOS of the 1L then added, continues stirring 6, the slurry mistake that will be obtained
Filter, is washed 3 times with ethanol, finally obtains kaolin/SAPO-34 filter cakes of short chain modifier modification；
Step 2, by 2mL gamma-aminopropyl-triethoxy-silanes be added to aquation 1h in the mixture of 0.5mL water and 10mL ethanol,
PH is adjusted to 4 with acetic anhydride, 1h is stirred, obtains the hydrolyzate of gamma-aminopropyl-triethoxy-silane；
Step 3, by the kaolin/SAPO-34 filter cakes 0.2Kg for the short chain modifier modification that step 1 obtains be re-dispersed into ethanol
In, the hydrolyzate for the 20ml gamma-aminopropyl-triethoxy-silanes that step 2 obtains is added, stirring reaction 1h, is filtered, ethanol
Three times, 110 DEG C of dry 12h, obtain the modified kaolin/SAPO-34 nanometers of material that surface carries amido functional group for washing
Material.
A kind of 3. preparation method of insulated type ceramic heat-dissipating nanocomposite according to claim 1, it is characterised in that institute
The modified urea-formaldehyde resin preparation method stated is as follows：
20g urea, 30mL formaldehyde and 250mL ionized waters, be added in three-necked flask by step 1, with sodium carbonate by the PH of solution
Value brings up to 8, and temperature is increased to 75 DEG C, continuously stirs 1h, obtains the prepolymer of Lauxite；
Step 2, take the polystyrene PS that 30g molecular weight is 190,000, molten after being mixed with 10g Chloromethyl polystyrenes CMPS
Solution adds the nano oxidized iron particle that 6g average diameters are 5nm, stirring in 200mL, N, N dimethyl formamides DMF
It is set fully to dissolve obtained mixed solution；
Step 3, by the above-mentioned mixed liquors of 200mL, 100mL deionized waters and 8g neopelexes SDBS be added to three mouthfuls of burnings
In bottle, 2h is stirred at room temperature；Then the Lauxite prepolymer that step 1 obtains is added in flask, 90 DEG C of stirring 3h, it
After filter, wash, 120 DEG C of dry 12h, acquisition modified urea-formaldehyde resin.
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| CN110028259A (en) * | 2019-04-26 | 2019-07-19 | 湖南腾达岩土工程技术有限公司 | A kind of steel slag neutral activated cementitious material and its preparation method and application |
| WO2020109759A1 (en) * | 2018-11-29 | 2020-06-04 | Johnson Matthey Public Limited Company | Method to modify the surface of a molecular sieve with an aminosilane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109233033A (en) * | 2018-07-26 | 2019-01-18 | 合肥峰腾节能科技有限公司 | A kind of energy saving and environment friendly insulating materials and preparation method thereof |
| WO2020109759A1 (en) * | 2018-11-29 | 2020-06-04 | Johnson Matthey Public Limited Company | Method to modify the surface of a molecular sieve with an aminosilane |
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| US11192793B2 (en) | 2018-11-29 | 2021-12-07 | Johnson Matthey Public Limited Company | Method |
| GB2580513B (en) * | 2018-11-29 | 2022-01-12 | Johnson Matthey Plc | Method for preparing modified molecular sieve |
| GB2602722A (en) * | 2018-11-29 | 2022-07-13 | Johnson Matthey Plc | Modified molecular sieve |
| CN110028259A (en) * | 2019-04-26 | 2019-07-19 | 湖南腾达岩土工程技术有限公司 | A kind of steel slag neutral activated cementitious material and its preparation method and application |
| CN110028259B (en) * | 2019-04-26 | 2023-08-29 | 湖南腾达岩土工程技术有限公司 | Neutral steel slag activated cementing material and preparation method and application thereof |
| CN113861694A (en) * | 2021-10-26 | 2021-12-31 | 广东电网有限责任公司 | High-voltage cable joint insulating silicone grease with high barrier property and preparation method thereof |
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Application publication date: 20180508 |