CN104445224B - 一种微细二氧化硅气凝胶粉体的制备方法 - Google Patents
一种微细二氧化硅气凝胶粉体的制备方法 Download PDFInfo
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- CN104445224B CN104445224B CN201410596095.8A CN201410596095A CN104445224B CN 104445224 B CN104445224 B CN 104445224B CN 201410596095 A CN201410596095 A CN 201410596095A CN 104445224 B CN104445224 B CN 104445224B
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- Prior art keywords
- methyl silicate
- acid
- silicon dioxide
- described step
- aerogel powder
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 56
- 239000004964 aerogel Substances 0.000 title claims abstract description 33
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 28
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000002378 acidificating effect Effects 0.000 claims description 20
- 239000003054 catalyst Substances 0.000 claims description 20
- 239000011240 wet gel Substances 0.000 claims description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 10
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 150000007529 inorganic bases Chemical class 0.000 claims description 8
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 8
- XTIIITNXEHRMQL-UHFFFAOYSA-N tripotassium methoxy(trioxido)silane Chemical compound [K+].[K+].[K+].CO[Si]([O-])([O-])[O-] XTIIITNXEHRMQL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003377 acid catalyst Substances 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 239000001117 sulphuric acid Substances 0.000 claims description 4
- 235000011149 sulphuric acid Nutrition 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- -1 saline solution Inorganic acid Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 229910002012 Aerosil® Inorganic materials 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 17
- 239000000499 gel Substances 0.000 description 7
- 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 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000352 supercritical drying Methods 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
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CN104445224B true CN104445224B (zh) | 2016-09-21 |
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CN105110341B (zh) * | 2015-09-02 | 2017-03-29 | 福建省上杭县九洲硅业有限公司 | 一种纳米二氧化硅气凝胶的制备方法 |
CN108314411B (zh) * | 2018-01-03 | 2020-02-21 | 深圳中凝科技有限公司 | 采用无氯无醇工艺制备二氧化硅气凝胶复合材料的方法 |
CN115849391A (zh) * | 2022-12-20 | 2023-03-28 | 中国科学院苏州纳米技术与纳米仿生研究所 | 疏水氧化硅气凝胶材料的制备方法 |
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CN102951650B (zh) * | 2012-08-31 | 2015-05-20 | 卢斌 | 一种快速制备SiO2气凝胶的常压干燥方法 |
CN103073008A (zh) * | 2013-01-31 | 2013-05-01 | 中国科学技术大学 | 一种二氧化硅气凝胶的制备方法 |
CN103936018B (zh) * | 2014-04-15 | 2016-02-10 | 南京工业大学 | 一种常压干燥制备疏水性SiO2气凝胶的方法 |
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Effective date of registration: 20240120 Address after: 255399 North Head of Shimen Village, Zhoucun District, Zibo City, Shandong Province (First Workshop of Zibo Huiqi Environmental Protection Equipment Co., Ltd.) Patentee after: Zibo Weida Industry and Trade Co.,Ltd. Country or region after: China Address before: 362801 Pu an industrial base incubation building, Qian Huang Town, Quangang District, Quanzhou, Fujian Patentee before: QUANZHOU SANXIN NEW MATERIAL TECHNOLOGY CO.,LTD. Country or region before: China |