CN109138196A - A kind of aeroge compound sound-absorption structural - Google Patents
A kind of aeroge compound sound-absorption structural Download PDFInfo
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- CN109138196A CN109138196A CN201710452768.6A CN201710452768A CN109138196A CN 109138196 A CN109138196 A CN 109138196A CN 201710452768 A CN201710452768 A CN 201710452768A CN 109138196 A CN109138196 A CN 109138196A
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- Prior art keywords
- aeroge
- hole type
- foam metal
- damping
- alloy
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Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 105
- 150000001875 compounds Chemical class 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 claims abstract description 105
- 229910052751 metal Inorganic materials 0.000 claims abstract description 77
- 239000002184 metal Substances 0.000 claims abstract description 77
- 239000006260 foam Substances 0.000 claims abstract description 75
- 238000009413 insulation Methods 0.000 claims abstract description 68
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 208000002925 dental caries Diseases 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 229910045601 alloy Inorganic materials 0.000 claims description 41
- 239000000956 alloy Substances 0.000 claims description 41
- 239000000377 silicon dioxide Substances 0.000 claims description 28
- 239000000853 adhesive Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 239000004964 aerogel Substances 0.000 claims description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 17
- -1 γ-aminopropyl Chemical group 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- 239000004094 surface-active agent Substances 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 230000032683 aging Effects 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910017773 Cu-Zn-Al Inorganic materials 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004966 Carbon aerogel Substances 0.000 claims description 5
- 229910017535 Cu-Al-Ni Inorganic materials 0.000 claims description 5
- 229910018643 Mn—Si Inorganic materials 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 5
- 238000002525 ultrasonication Methods 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 238000000352 supercritical drying Methods 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910017709 Ni Co Inorganic materials 0.000 claims description 3
- 229910003267 Ni-Co Inorganic materials 0.000 claims description 3
- 229910003262 Ni‐Co Inorganic materials 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 claims description 3
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims 1
- 229910001950 potassium oxide Inorganic materials 0.000 claims 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 claims 1
- FXSGDOZPBLGOIN-UHFFFAOYSA-N trihydroxy(methoxy)silane Chemical class CO[Si](O)(O)O FXSGDOZPBLGOIN-UHFFFAOYSA-N 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 25
- 229920000079 Memory foam Polymers 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 description 9
- 238000004880 explosion Methods 0.000 description 9
- 239000008210 memory foam Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 238000009736 wetting Methods 0.000 description 7
- 239000011358 absorbing material Substances 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 229960003237 betaine Drugs 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 4
- 229910017060 Fe Cr Inorganic materials 0.000 description 3
- 229910002544 Fe-Cr Inorganic materials 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- RUECTJATXCACED-UHFFFAOYSA-N 2-aminoacetic acid;hydrate Chemical compound [OH-].[NH3+]CC(O)=O RUECTJATXCACED-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910004337 Ti-Ni Inorganic materials 0.000 description 2
- 229910011209 Ti—Ni Inorganic materials 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011494 foam glass Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- KWABLUYIOFEZOY-UHFFFAOYSA-N dioctyl butanedioate Chemical compound CCCCCCCCOC(=O)CCC(=O)OCCCCCCCC KWABLUYIOFEZOY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
Abstract
The present invention discloses a kind of aeroge compound sound-absorption structural, it is characterized in that, the aeroge compound sound-absorption structural includes heat insulation and acoustic absorption part, and it is distributed in several cavitys of heat insulation and acoustic absorption part side or inside, the heat insulation and acoustic absorption part is made of aeroge and through-hole type high damping foam metal, and the aeroge is filled in the hole of the through-hole type high damping foam metal.A kind of aeroge compound sound-absorption structural provided by the invention has the characteristics such as excellent sound absorption, sound insulation, heat-insulated, heat preservation, high-strength light, and preparation method has the characteristics that low cost, high efficiency, continuous production, and market prospects are huge.
Description
Technical field
The present invention relates to a kind of sound absorption structure more particularly to a kind of aeroge compound sound-absorption structural, belong to lightweight, heat preservation,
Fire prevention, sound insulation, explosion-proof, damping energy-absorbing, infrared reflective material field.
Background technique
With the development of the modern industry, noise pollution has become very important one of problem of environmental pollution, serious shadow
Ring work, study and the rest of people.Sound-absorbing material improves one of effective measures of acoustic environment, at present as noise is reduced
Many Practical Project fields are widely applied to, especially in open or big enclosed environment.
Existing sound-absorbing material mainly includes mineral wool, glass mat, organic fiber felt foamed plastics, foam glass and foam
Metal etc..Although these sound-absorbing materials have good sound absorbing performance within the scope of medium, high frequency, also it is respectively present many and asks
Topic.Wherein, mineral wool and glass mat easily deliquesce, and the fibre dust generated in construction and application will cause the secondary dirt of environment
The problem of dye, there are hidden danger for application；The intensity of organic fiber felt foamed plastics, fire prevention, anti-corrosion and the performances such as ageing-resistant are poor；
Foam glass intensity is lower, and the connectivity of its foam structure is bad, and sound absorption effect is poor.
Foam metal is formed in the interior thereof a large amount of bubble by foaming processing, these bubble distributions are in continuous metal phase
Middle to constitute the pore structure to interpenetrate, making foam metal the characteristic of continuous phase metal, (such as intensity is big, thermal conductivity is good, resistance to height
Temperature etc.) it is organically combined with the characteristic (such as damping and amortization, isolation, insulating properties, sound deadening shock absorption) of dispersed phase stomata, be
A kind of novel porous sound-absorbing material of excellent combination property.But foam metal separately as sound-absorbing material when, on the one hand due to
Its grade hole is big and limited amount, causes sound absorption effect to need to be further increased, on the other hand due to the thermally conductive system of metal
Number is higher, and the heat-proof quality of foam metal is caused also to need to be further increased.And in the mainly absorption of the porous material on surface
High frequency sound wave, poor to the assimilation effect of low-frequency sound wave, it would therefore be highly desirable to develop, a kind of to collect excellent high, medium and low frequency range sound absorption properties
The novel sound absorption structure such as energy, mechanical property and heat preservation and insulation.
Summary of the invention
The purpose of the present invention is to provide a kind of aeroge compound sound-absorption structurals.
A kind of aeroge compound sound-absorption structural, including heat insulation and acoustic absorption part, and be distributed in heat insulation and acoustic absorption part side or
Several internal cavitys, the heat insulation and acoustic absorption part are made of aeroge and through-hole type high damping foam metal, the aeroge
It is filled in the hole of the through-hole type high damping foam metal.
Further, the shape of the cavity is circle, ellipse, taper, tubaeform, rectangle, diamond shape, triangle, bee
One of nest shape or a variety of combinations.
Further, the average pore size of the through-hole type high damping foam metal is 0.01 ~ 10mm.
Further, the through-hole type high damping foam metal is that the shape memory with through-hole type three-dimensional network skeleton closes
One of gold, damping alloy.
Further, the marmem is niti-shaped memorial alloy, copper-based shape memory alloy or iron-based shape
Shape memory alloys, the copper-based shape memory alloy be Cu-Zn-Al system or Cu-Al-Ni system marmem, it is described iron-based
Marmem is Fe-Mn-Si system marmem, Fe-Ni-Co system marmem, the conjunction of Fe-Pt system shape memory
Gold or Fe-Pd system marmem.
Further, the damping alloy is high-damping titanium alloy, high damping aluminium alloy, high resistant damping magnesium alloy, high-damping
One of ferrous alloy, high-damping zinc-containing alloy, high-damping manganese-base alloy, high-damping acid bronze alloy.
Further, the aeroge is SiO2Aeroge, TiO2Aeroge, carbon aerogels, Fe3O4Aeroge and V2O5Gas
One of gel is a variety of.
Further, the heat insulation and acoustic absorption part preparation the following steps are included:
(1) organosilan, dilute hydrochloric acid, deionized water, organic solvent are mixed for the preparation of silica solution, anti-at 0 ~ 70 DEG C
Answer 4 ~ 60h, add aqueous slkali, stir, react 0.01 ~ 1h, obtain silica solution, wherein organosilan, deionized water, organic solvent,
Dilute hydrochloric acid, aqueous slkali volume ratio be 1:0.05~5:0.5~8:0.0025~0.5:0.0025~0.5；
(2) preparation of plural gel body pours into silica solution obtained in the mold for being placed with through-hole type high damping foam metal, coagulates
Glue；
(3) dry, plural gel body is dried, heat insulation and acoustic absorption part is obtained.
Further, staple fiber is added in the step (1).
It further, further include through-hole type high damping foam metal surface moistening step before the step (2), specially
Moistened surface processing is carried out to through-hole type high damping foam metal using surfactant or aqueous surfactant solution.
Further, the step (2) further includes sonicating step, specifically: silica solution obtained is poured into and is put
It is equipped in the mold of through-hole type high damping foam metal, ultrasonication, gel.
Further, the organosilan is methyl orthosilicate, ethyl orthosilicate, methyltrimethoxysilane, methyl three
Ethoxysilane, dimethyldimethoxysil,ne, dimethyl diethoxysilane, ethyl trimethoxy silane, three ethoxy of ethyl
The mixture of one or more of base silane.
Further, the organic solvent is the mixture of one or more of methanol, ethyl alcohol, isopropanol, acetone.
Further, the alkali is one of ammonium hydroxide, sodium hydroxide, potassium hydroxide.
It further, further include Aging Step and/or solvent swap step after the step (2) and before step (3)
And/or modification procedure.
Further, the aging and solvent displacement temperature are 0 ~ 65 DEG C.
Further, the modification procedure is to be surface modified using modifying agent to aeroge plural gel body, described
Modifying agent is trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane, methyltrimethoxysilane, three second of methyl
Oxysilane, dimethyldimethoxysil,ne, dimethyl diethoxysilane, γ-aminopropyltrimethoxysilane, γ-ammonia third
Ethyl triethoxy silicane alkane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy
Base silane, N-(β-aminoethyl) one of-gamma-aminopropyl-triethoxy-silane or a variety of.
Further, the drying is constant pressure and dry, supercritical drying, freeze-drying or subcritical drying.
Further, the heat insulation and acoustic absorption part preparation method the following steps are included:
(a) aeroge-adhesive slurry preparation, by with inner hydrophobic, surface hydrophilic structure feature aerogel powder with
The mass ratio of adhesive mixing, aerogel powder and adhesive is 1:5 ~ 50, obtains aeroge-adhesive slurry；
(b) obtained aeroge-adhesive slurry is poured into the mold for being placed with through-hole type high damping foam metal；
(c) solidify, obtain high-damping aerogel composite.
It further, further include through-hole type high damping foam metal surface moistening step before the step (b), specially
Moistened surface processing is carried out to through-hole type high damping foam metal using surfactant or aqueous surfactant solution.
Further, the step (b) can also for using negative pressure of vacuum technology by obtained aeroge-adhesive slurry
It is filled in the hole of through-hole type high damping foam metal.
Further, the curing process be normal temperature cure, be heating and curing, ultra-violet curing, constant temperature and humidity maintenance, steam support
Shield or high temperature and pressure maintenance.
Aeroge compound sound-absorption structural centering produced by the present invention, high and low frequency sound wave have excellent assimilation effect, and also
With characteristics such as excellent heat-insulated, heat preservation, high-strength lights, preparation method has the spies such as low cost, high efficiency, continuous production
Point has huge applications potentiality and market prospects in the sound absorption such as construction and decoration, communications and transportation, heavy duty industrial, defence and military field.
Detailed description of the invention
Fig. 1-Fig. 8 is the interface explosion views for the aeroge compound sound-absorption structural that the present embodiment is related to；
Wherein: 1-aeroge, 2-through-hole type high damping foam metals, 3-cavitys.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below to specific reality of the invention
The mode of applying is described in detail.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But
The invention can be embodied in many other ways as described herein, and those skilled in the art can be without prejudice to this hair
Similar improvement is done in the case where bright intension, therefore the present invention is not limited to the specific embodiments disclosed below.
A kind of embodiment of the invention, a kind of aeroge compound sound-absorption structural, including heat insulation and acoustic absorption part, and it is distributed in institute
Several cavitys 3 of heat insulation and acoustic absorption part side or inside are stated, the heat insulation and acoustic absorption part is by aeroge 1 and through-hole type high damping foam
Metal 2 is constituted, and the aeroge 1 is filled in the hole of the through-hole type high damping foam metal.
In this way, hole is mutually communicated since there is countless fine pores on high-damping aerogel composite surface and inside
And communicate with the outside world, thus there is certain aeration.When sound wave incident is to composite material surface, it is firstly because sound wave production
Raw vibration causes the air movement in gap, causes the friction with hole wall, against the air of hole and fiber surface by hole wall
Influence be not easy to move up, because rub and viscous force effect, so that quite a few vibrational energy is become thermal energy consumption and fall, show
Excellent damping characteristic.The vibration velocity of air particle is accelerated between medium, high frequency sound wave hole, and the heat exchange of air and hole wall also adds
Fastly, so that porous high-damping aerogel composite has preferable medium, high frequency sound absorbing performance.Aerogel material is filled in
In the hole of foam metal, micron order/millimeter grade hole of nano-pore and through-hole type high damping foam metal in aerogel material
Between there are coupling effect, i.e. the stress that generates of solid gas interface and aperture size is in inverse relation, and when effect of vibration generates uneven
The even field of force increases composite material resonance internal friction, improves damping capacity, therefore, the structural damping and through-hole type of aeroge hole
The interfacial damping of high damping foam metallic matrix generates coupling Overlay, further increases sound absorption effect.In addition, entering in sound wave
Face or internal several cavitys of setting are penetrated, since the mono-level resonant scattering of cavity enhances the dissipation of sound wave in the base, thus
Play the role of absorbing low frequency noise, and with the increase of cavity thickness, resonance sound-absorbing frequency is gradually decreased.In addition, airsetting
The high temperature resistant of through-hole type high damping foam metal, heat-insulation and heat-preservation, sound absorption sound insulation, damping characteristic, through-hole type can be improved in glue material
The intensity and toughness of aeroge can be improved in high damping foam metal.
In the present embodiment, the shape of the cavity be circle, ellipse, taper, tubaeform, rectangle, diamond shape, triangle,
One of honeycombed or a variety of combinations.
In this way, the cavity shape selected is two-dimensional shapes, since the two-dimentional cavity of same radius is than three-dimensional lumen
Monopole resonant frequency is low, thus the resonance sound-absorbing frequency of two-dimentional cavity ratio three-dimensional lumen is low, that is to say, that identical in order to obtain
Low frequency absorption performance can make sound absorption structure layer be designed thinner using the cavity of two-dimensional shapes.
In the present embodiment, the average pore size of the through-hole type high damping foam metal is 0.01 ~ 10mm.
In the present embodiment, the through-hole type high damping foam metal is the shape memory with through-hole type three-dimensional network skeleton
One of alloy, damping alloy.
In this way, marmem has excellent martensitic traoformation energy consumption characteristics, under sound wave effect, marmem
The reversible transition of martensite to austenite occurs, consumption absorbs acoustic vibration energy, and marmem macro manifestations are super
High resiliency and toughness can consume more sound energy by the vibration of itself more high-amplitude, and sound absorption and insulation performance is significant.
In the present embodiment, the marmem is niti-shaped memorial alloy, copper-based shape memory alloy or iron-based
Marmem, the copper-based shape memory alloy are Cu-Zn-Al system or Cu-Al-Ni system marmem, the iron
Base marmem is Fe-Mn-Si system marmem, Fe-Ni-Co system marmem, Fe-Pt system shape memory
Alloy or Fe-Pd system marmem.
In the present embodiment, the damping alloy is high-damping titanium alloy, high damping aluminium alloy, high resistant damping magnesium alloy, high resistant
One of Buddhist nun's ferrous alloy, high-damping zinc-containing alloy, high-damping manganese-base alloy, high-damping acid bronze alloy.
In this way, damping alloy can for by the twin type damping material of the mobile energy consumption of twin-plane boundary inside martensite,
Such as Mn-Cu alloy, Cu-Zn-Al alloy；It can be to pass through the complex phase type damping material that interface is consumed energy between two-phase, such as Zn-Al
Alloy etc.；Can also for by stress induce neticdomain wall it is reversible or it is irreversible rotation energy consumption strong magnetic-type damping material, such as Fe-Cr
Alloy etc..
In the present embodiment, the aeroge is SiO2Aeroge, TiO2Aeroge, carbon aerogels, Fe3O4Aeroge and V2O5
One of aeroge is a variety of.
In the present embodiment, the preparation of the heat insulation and acoustic absorption part the following steps are included:
(1) organosilan, dilute hydrochloric acid, deionized water, organic solvent are mixed for the preparation of silica solution, anti-at 0 ~ 70 DEG C
Answer 4 ~ 60h, add aqueous slkali, stir, react 0.01 ~ 1h, obtain silica solution, wherein organosilan, deionized water, organic solvent,
Dilute hydrochloric acid, aqueous slkali volume ratio be 1:0.05~5:0.5~8:0.0025~0.5:0.0025~0.5；
(2) preparation of plural gel body pours into silica solution obtained in the mold for being placed with through-hole type high damping foam metal, coagulates
Glue；
(3) dry, plural gel body is dried, heat insulation and acoustic absorption part is obtained.
In the present embodiment, staple fiber is added in the step (1).
In this way, staple fiber of the invention can be polypropylene fibre, aramid fiber, carbon fiber etc., staple fiber is added can be with
Sound insulation, the sound absorbing performance of composite material are further increased, because staple fiber can occur to vibrate accordingly when acoustic vibration acts on,
Vibrational energy is consumed, while the mechanical property of aeroge can be improved in fiber, and aeroge is avoided to fall off from foam metal.
It further include through-hole type high damping foam metal surface moistening step before the step (2), specifically in the present embodiment
To carry out moistened surface processing to through-hole type high damping foam metal using surfactant or aqueous surfactant solution.
So, on the one hand, the surface tension of foam metal is reduced, the speed that silica solution enters foam metal hole is improved,
So that silica solution comes into full contact with foam metal, production efficiency is improved；On the other hand, defoam the dust, miscellaneous of metal surface
Matter.
In addition, surfactant of the invention can for fatty alcohol phosphates, aliphatic alcohol polyoxyvinethene phosphate salt,
Alkyl sulfate, fatty alcohol polyoxyethylene ether sulfate, fatty acid glyceride sulfate, aliphatic ammonium salt, alkyl amino acid, carboxylic
Acidic group glycine betaine, sulfobetaines, phosphate glycine betaine, aliphatic polyester, alkyl phenol polyoxyethylene ether, high-carbon fatty alcohol polyoxy
One of vinethene is a variety of.
In the present embodiment, the step (2) further includes sonicating step, specifically: silica solution obtained is poured into
It is placed in the mold of through-hole type high damping foam metal, ultrasonication, gel.
In this way, ultrasonication is conducive to the hole of silica solution rapid foam metal, production efficiency is improved.
In the present embodiment, the organosilan is methyl orthosilicate, ethyl orthosilicate, methyltrimethoxysilane, methyl
Triethoxysilane, dimethyldimethoxysil,ne, dimethyl diethoxysilane, ethyl trimethoxy silane, three second of ethyl
The mixture of one or more of oxysilane.
In the present embodiment, the organic solvent is the mixture of one or more of methanol, ethyl alcohol, isopropanol, acetone.
In the present embodiment, the alkali is one of ammonium hydroxide, sodium hydroxide, potassium hydroxide.
It further include Aging Step and/or solvent displacement step in the present embodiment, after the step (2) and before step (3)
Rapid and/or modification procedure.
In this way, the three-dimensional network skeleton of aeroge can be improved in Aging Step, change aperture；Solvent swap step can mention
High drying efficiency；Modification procedure can be with directed change aeroge surface functional group, such as aeroge surface is made to have hydrophobic property.
In the present embodiment, the aging and solvent displacement temperature are 0 ~ 65 DEG C.
In the present embodiment, the modification procedure is to be surface modified using modifying agent to aeroge plural gel body, institute
Stating modifying agent is trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane, methyltrimethoxysilane, methyl three
Ethoxysilane, dimethyldimethoxysil,ne, dimethyl diethoxysilane, γ-aminopropyltrimethoxysilane, γ-ammonia
Propyl-triethoxysilicane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-methacryloxypropyl front three
Oxysilane, N-(β-aminoethyl) one of-gamma-aminopropyl-triethoxy-silane or a variety of.
In the present embodiment, the drying is constant pressure and dry, supercritical drying, freeze-drying or subcritical drying.
In the present embodiment, the preparation method of the heat insulation and acoustic absorption part the following steps are included:
(a) aeroge-adhesive slurry preparation, by with inner hydrophobic, surface hydrophilic structure feature aerogel powder with
The mass ratio of adhesive mixing, aerogel powder and adhesive is 1:5 ~ 50, obtains aeroge-adhesive slurry；
(b) obtained aeroge-adhesive slurry is poured into the mold for being placed with through-hole type high damping foam metal；
(c) solidify, obtain high-damping aerogel composite.
In this way, the preparation method is simple, practical, it is suitble to industrialized production.
It further include through-hole type high damping foam metal surface moistening step before the step (b), specifically in the present embodiment
To carry out moistened surface processing to through-hole type high damping foam metal using surfactant or aqueous surfactant solution.
In the present embodiment, the step (b) can also be to be starched obtained aeroge-adhesive using negative pressure of vacuum technology
Material is filled in the hole of through-hole type high damping foam metal.
In this way, carrying out negative pressure ventilation processing when aeroge-adhesive slurry enters foam metal to foam metal, adding
Air in fast foam metal hole excludes, and improves the rate that aeroge-adhesive slurry enters foam metal, and then improve life
Produce efficiency.
In the present embodiment, the curing process is normal temperature cure, is heating and curing, the maintenance of ultra-violet curing, constant temperature and humidity, steam
Maintenance or high temperature and pressure maintenance.
In this way, the preferred room temperature of curing process is solid when using adhesive such as water-based acrylic resin, waterborne polyurethane resins
Change；When using adhesive such as water-compatible amino resin, waterborne organic silicon resins, curing process is preferably heating and curing；Use aqueous UV
When the adhesive such as resin, the preferred ultra-violet curing of curing process；When using adhesive such as ordinary portland cements, curing process is preferred
Constant temperature and humidity maintenance, steam curing or high temperature and pressure maintenance.
It is below specific embodiment part.
Embodiment 1
Heat insulation and acoustic absorption part is prepared by following steps:
(1) at 40 DEG C, by methyl orthosilicate, deionized water, methanol, dilute hydrochloric acid be mixed, be stirred to react 40h, then plus
Weak aqua ammonia, stirring react 0.5h, obtain silica solution, wherein methyl orthosilicate, deionized water, methanol, dilute hydrochloric acid, weak aqua ammonia
Volume ratio is 1:0.1:0.5:0.0025:0.025, and the concentration of dilute hydrochloric acid and weak aqua ammonia is 0.3mol/L；
(2) using the cleaning of the mixed liquor (mass ratio 1:90) of alkyl phenol polyoxyethylene ether and water, wetting through-hole type high-damping Mn-
Cu foamed alloy；
(3) silica solution of step (1) is poured into the mold for being placed with through-hole type high-damping Mn-Cu foamed alloy, gel；
(4) CO2Supercritical drying obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the open cavity of several tapers of heat insulation and acoustic absorption part side, interface explosion views as shown in Figure 1, the heat insulation and acoustic absorption part by gas
Gel and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In.
Embodiment 2
Heat insulation and acoustic absorption part is prepared by following steps:
(1) at 0 DEG C, ethyl orthosilicate, deionized water, ethyl alcohol, dilute hydrochloric acid is mixed, 60h, right back end hydrogenation are stirred to react
Aqueous solution of sodium oxide, stirring react 1h, obtain silica solution, wherein ethyl orthosilicate, deionized water, ethyl alcohol, dilute hydrochloric acid, hydrogen-oxygen
Change the volume ratio of sodium water solution as 1:0.05:8:0.5:0.0025, the concentration of dilute hydrochloric acid and sodium hydrate aqueous solution is 0.3mol/
L；
(2) using the cleaning of the mixed liquor (mass ratio 1:50) of neopelex and water, wetting through-hole type Cu-Zn-Al
Shape memory foam alloy；
(3) silica solution of step (1) is poured into the mold for being placed with through-hole type Cu-Zn-Al shape memory foam alloy, while into
Row ultrasonication, gel；
(4) using trim,ethylchlorosilane to the plural gel body hydrophobically modified of step (3)；
(5) constant pressure and dry obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State heat insulation and acoustic absorption part side several ellipse open cavities, interface explosion views as shown in Fig. 2, the heat insulation and acoustic absorption part by
Aeroge and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In hole.
Embodiment 3
Heat insulation and acoustic absorption part is prepared by following steps:
(1) at 70 DEG C, methyltrimethoxysilane, deionized water, methanol, dilute hydrochloric acid is mixed, are stirred to react 4h, so
Afterwards plus weak aqua ammonia, stirring react 0.01h, obtain silica solution, wherein methyltrimethoxysilane, deionized water, methanol, dilute salt
Acid, weak aqua ammonia volume ratio be 1:5:1:0.0025:0.5, the concentration of dilute hydrochloric acid and weak aqua ammonia is 0.3mol/L；
(2) using the cleaning of the mixed liquor (mass ratio 1:100) of dioctyl succinate disulfonate acid and water, wetting through-hole type Ti-Ni
Shape memory foam alloy；
(3) silica solution of step (1) is poured into the mold for being placed with through-hole type Ti-Ni shape memory foam alloy, gel；
(4) it is freeze-dried, obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the open cavity of several rectangles of heat insulation and acoustic absorption part side, interface explosion views as shown in figure 3, the heat insulation and acoustic absorption part by gas
Gel and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In.
Embodiment 4
Heat insulation and acoustic absorption part is prepared by following steps:
(1) at 25 DEG C, methyltriethoxysilane, deionized water, ethyl alcohol, dilute hydrochloric acid is mixed, are stirred to react 4h, so
Back end hydrogenation aoxidizes aqueous solutions of potassium, and stirring reacts 0.01h, obtains silica solution, wherein methyltriethoxysilane, deionized water, second
Alcohol, dilute hydrochloric acid, potassium hydroxide aqueous solution volume ratio be 1:2:4:0.025:0.05, the concentration of dilute hydrochloric acid and weak aqua ammonia is
0.3mol/L；
(2) using the cleaning of the mixed liquor (mass ratio 1:100) of glycerin monostearate and water, wetting through-hole type high-damping Zn-
Al foamed alloy；
(3) silica solution of step (1) is poured into the mold for being placed with through-hole type high-damping Zn-Al foamed alloy, is filled using pumping
It sets and Negative pressure is carried out to foamed alloy one end, silica solution is accelerated to enter the rate of foamed alloy hole, gel；
(4) to the plural gel body aging of step (3) 3 days；
(5) subcritical drying obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the open cavity of several honeycombeds of heat insulation and acoustic absorption part side, interface explosion views as shown in figure 4, the heat insulation and acoustic absorption part by
Aeroge and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In hole.
Embodiment 5
Heat insulation and acoustic absorption part is prepared by following steps:
(1) by the TiO with inner hydrophobic, surface hydrophilic structure feature2Aerogel powder and aqueous acrylic emulsion high-speed stirring
Mixing is mixed, stirring rate is 2000 turns/min, TiO2The mass ratio of aerogel powder and aqueous acrylic emulsion is 1:5, is obtained
Composite mortar；
(2) using the cleaning of the mixed liquor (mass ratio 1:200) of phosphate glycine betaine and water, wetting through-hole type Fe-Mn-Si shape
Memory foam alloy；
(3) composite mortar is poured into the mold for being placed with through-hole type Fe-Mn-Si shape memory foam alloy, while utilizes pumping
Device of air carries out Negative pressure to foamed alloy one end；
(4) normal temperature cure obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the cavity of several tapers inside heat insulation and acoustic absorption part, interface explosion views as shown in figure 5, the heat insulation and acoustic absorption part by aeroge
It is constituted with through-hole type high damping foam metal, the aeroge is filled in the hole of the through-hole type high damping foam metal.
Embodiment 6
Heat insulation and acoustic absorption part is prepared by following steps:
(1) the carbon aerogels powder with inner hydrophobic, surface hydrophilic structure feature is stirred with common 425 portland cement mixed
It closes, then adds water and stirs, the mass ratio of carbon aerogels powder, common 425 portland cement and water is 1:50:12, is obtained compound
Slurry；
(2) composite mortar is poured into the mold for being placed with through-hole type Fe-Pd shape memory foam alloy, while utilizes pumping dress
It sets and Negative pressure is carried out to foamed alloy one end；
(3) normal temperature cure, 25 DEG C, the maintenance of 99%RH constant temperature and humidity 28 days, obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State inside heat insulation and acoustic absorption part several ellipse cavitys, interface explosion views as shown in fig. 6, the heat insulation and acoustic absorption part by airsetting
Glue and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In.
Embodiment 7
Heat insulation and acoustic absorption part is prepared by following steps:
(1) by the SiO with inner hydrophobic, surface hydrophilic structure feature2Aerogel powder and aqueous UV polyaminoester emulsion high speed
It is stirred, stirring rate is 2000 turns/min, SiO2The mass ratio of aerogel powder and aqueous UV polyaminoester emulsion is 1:15,
Obtain composite mortar；
(2) using high-carbon fatty alcohol polyoxyethylene ether cleaning, wetting through-hole type high-damping Fe-Cr foamed alloy；
(3) composite mortar is poured into the mold for being placed with through-hole type high-damping Fe-Cr foamed alloy；
(4) solidified by ultraviolet ray radiation obtains heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the cavity of several rectangles inside heat insulation and acoustic absorption part, interface explosion views as shown in fig. 7, the heat insulation and acoustic absorption part by aeroge
It is constituted with through-hole type high damping foam metal, the aeroge is filled in the hole of the through-hole type high damping foam metal.
Embodiment 8
Heat insulation and acoustic absorption part is prepared by following steps:
(1) by the V with inner hydrophobic, surface hydrophilic structure feature2O5Aerogel powder is mixed with waterglass high-speed stirred, is stirred
Mixing rate is 1500 turns/min, V2O5The mass ratio of aerogel powder and waterglass is 1:8, obtains composite mortar；
(2) using the cleaning of the mixed liquor (mass ratio 1:200) of phosphate glycine betaine and water, wetting through-hole type Cu-Al-Ni shape
Memory foam alloy；
(3) composite mortar is poured into the mold for being placed with through-hole type Cu-Al-Ni shape memory foam alloy, while utilizes pumping
Device of air carries out Negative pressure to foamed alloy one end；
(4) 110 DEG C of 3h that are heating and curing, obtain heat insulation and acoustic absorption part.
A kind of aeroge compound sound-absorption structural including the heat insulation and acoustic absorption part that above step is prepared, and is distributed in institute
State the cavity of several honeycombeds inside heat insulation and acoustic absorption part, interface explosion views as shown in figure 8, the heat insulation and acoustic absorption part by airsetting
Glue and through-hole type high damping foam metal are constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal
In.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of aeroge compound sound-absorption structural, which is characterized in that the aeroge compound sound-absorption structural includes heat insulation and acoustic absorption part,
And several cavitys of heat insulation and acoustic absorption part side or inside are distributed in, the heat insulation and acoustic absorption part is by aeroge and through-hole type
High damping foam metal is constituted, and the aeroge is filled in the hole of the through-hole type high damping foam metal.
2. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the shape of the cavity is circle
One of shape, ellipse, taper, tubaeform, rectangle, diamond shape, triangle, honeycombed or a variety of combinations.
3. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the through-hole type high damping foam
The average pore size of metal is 0.01 ~ 10mm.
4. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the through-hole type high damping foam
Metal is one of marmem with through-hole type three-dimensional network skeleton, damping alloy；The marmem
For niti-shaped memorial alloy, copper-based shape memory alloy or iron-base marmem, the copper-based shape memory alloy is
Cu-Zn-Al system or Cu-Al-Ni system marmem, the iron-base marmem are the conjunction of Fe-Mn-Si system shape memory
Gold, Fe-Ni-Co system marmem, Fe-Pt system marmem or Fe-Pd system marmem；The damping is closed
Gold is high-damping titanium alloy, high damping aluminium alloy, high resistant damping magnesium alloy, high-damping ferrous alloy, high-damping zinc-containing alloy, high resistant
One of Buddhist nun's manganese-base alloy, high-damping acid bronze alloy.
5. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the aeroge is SiO2Airsetting
Glue, TiO2Aeroge, carbon aerogels, Fe3O4Aeroge and V2O5One of aeroge is a variety of.
6. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the preparation of the heat insulation and acoustic absorption part
The following steps are included:
(1) organosilan, dilute hydrochloric acid, deionized water, organic solvent are mixed for the preparation of silica solution, anti-at 0 ~ 70 DEG C
Answer 4 ~ 60h, add aqueous slkali, stir, react 0.01 ~ 1h, obtain silica solution, wherein organosilan, deionized water, organic solvent,
Dilute hydrochloric acid, aqueous slkali volume ratio be 1:0.05~5:0.5~8:0.0025~0.5:0.0025~0.5；
(2) preparation of plural gel body pours into silica solution obtained in the mold for being placed with through-hole type high damping foam metal, coagulates
Glue；
(3) dry, obtained plural gel body is dried, heat insulation and acoustic absorption part is obtained.
7. a kind of aeroge compound sound-absorption structural according to claim 6, which is characterized in that be added in the step (1) short
Fiber；Or the step (2) further includes before through-hole type high damping foam metal surface moistening step, it is specially living using surface
Property agent or aqueous surfactant solution to through-hole type high damping foam metal carry out moistened surface processing；Or the step (2) is also
Including sonicating step, specifically: silica solution obtained is poured into and is placed with through-hole type high damping foam metal and side
After in mold with several cavity shapes protrusion, ultrasonication, gel are utilized；Or the organosilan is positive silicic acid
Methyl esters, ethyl orthosilicate, methyltrimethoxysilane, methyltriethoxysilane, dimethyldimethoxysil,ne, dimethyl two
The mixture of one or more of Ethoxysilane, ethyl trimethoxy silane, ethyl triethoxysilane；Or it is described organic
Solvent is the mixture of one or more of methanol, ethyl alcohol, isopropanol, acetone；Or the alkali is ammonium hydroxide, sodium hydroxide, hydrogen
One of potassium oxide；Or the drying is constant pressure and dry, supercritical drying, freeze-drying or subcritical drying；Or the step
It suddenly further include Aging Step and/or solvent swap step and/or modification procedure after (2) and before step (3).
8. a kind of aeroge compound sound-absorption structural according to claim 7, which is characterized in that the aging and solvent displacement temperature
Degree is 0 ~ 65 DEG C；Or the modification procedure is to be surface modified using modifying agent to aeroge plural gel body, the modification
Agent is trim,ethylchlorosilane, hexamethyldisilazane, hexamethyldisiloxane, methyltrimethoxysilane, methyl triethoxy
Silane, dimethyldimethoxysil,ne, dimethyl diethoxysilane, γ-aminopropyltrimethoxysilane, γ-aminopropyl three
Ethoxysilane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silicon
Alkane, N-(β-aminoethyl) one of-gamma-aminopropyl-triethoxy-silane or a variety of.
9. a kind of aeroge compound sound-absorption structural according to claim 1, which is characterized in that the preparation of the heat insulation and acoustic absorption part
The following steps are included:
(a) aeroge-adhesive slurry preparation, by with inner hydrophobic, surface hydrophilic structure feature aerogel powder with
The mass ratio of adhesive mixing, aerogel powder and adhesive is 1:5 ~ 50, obtains aeroge-adhesive slurry；
(b) obtained aeroge-adhesive slurry is poured into the mold for being placed with through-hole type high damping foam metal；
(c) solidify, obtain high-damping aerogel composite.
10. a kind of aeroge compound sound-absorption structural according to claim 9, the step (b) further includes that through-hole type is high before
Foam metal moistened surface step is damped, specially using surfactant or aqueous surfactant solution to through-hole type high-damping
Foam metal carries out moistened surface processing；Or the step (b) can also be the aeroge-that will be obtained using negative pressure of vacuum technology
Adhesive filled therewith is in the hole of through-hole type high damping foam metal；Or the curing process is normal temperature cure, heats admittedly
Change, ultra-violet curing, constant temperature and humidity maintenance, steam curing or high temperature and pressure maintenance.
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