CN102659121B - 一种超低导热系数二氧化硅气凝胶的制备方法 - Google Patents
一种超低导热系数二氧化硅气凝胶的制备方法 Download PDFInfo
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- CN102659121B CN102659121B CN201210078335.6A CN201210078335A CN102659121B CN 102659121 B CN102659121 B CN 102659121B CN 201210078335 A CN201210078335 A CN 201210078335A CN 102659121 B CN102659121 B CN 102659121B
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- thermal conductivity
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000004964 aerogel Substances 0.000 title abstract description 30
- 235000012239 silicon dioxide Nutrition 0.000 title abstract 3
- 239000000377 silicon dioxide Substances 0.000 title abstract 3
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 230000032683 aging Effects 0.000 claims description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 7
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- -1 methyl ethylene phenyl siloxane Chemical compound 0.000 claims description 3
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 230000002431 foraging effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000352 supercritical drying Methods 0.000 description 11
- 230000002209 hydrophobic effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- Silicon Polymers (AREA)
- Silicon Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
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CN201210078335.6A CN102659121B (zh) | 2012-03-22 | 2012-03-22 | 一种超低导热系数二氧化硅气凝胶的制备方法 |
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CN201210078335.6A CN102659121B (zh) | 2012-03-22 | 2012-03-22 | 一种超低导热系数二氧化硅气凝胶的制备方法 |
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CN102659121A CN102659121A (zh) | 2012-09-12 |
CN102659121B true CN102659121B (zh) | 2014-06-04 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101357766A (zh) * | 2007-07-30 | 2009-02-04 | 成都思摩纳米技术有限公司 | 二氧化硅疏水粉末超临界制取技术 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6893538B2 (en) * | 1999-12-20 | 2005-05-17 | Akzo Nobel N.V. | Process for the production of paper using silica-based sols |
AR051539A1 (es) * | 2004-04-07 | 2007-01-24 | Akzo Nobel Nv | Soles en base a silice y su produccion y uso |
CN1984843A (zh) * | 2004-05-14 | 2007-06-20 | 株式会社达耐时 | 二氧化硅气凝胶的制造方法 |
CN100384726C (zh) * | 2005-05-19 | 2008-04-30 | 同济大学 | 表面活性可调的纳米多孔二氧化硅气凝胶及其制备方法 |
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2012
- 2012-03-22 CN CN201210078335.6A patent/CN102659121B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101357766A (zh) * | 2007-07-30 | 2009-02-04 | 成都思摩纳米技术有限公司 | 二氧化硅疏水粉末超临界制取技术 |
Non-Patent Citations (2)
Title |
---|
制备条件对二氧化硅气凝胶导热系数的影响研究;官玲俊;《中国优秀硕士学位论文全文数据库》;20120210;第14-15页、第20-43页,图3-1-3-9 * |
官玲俊.制备条件对二氧化硅气凝胶导热系数的影响研究.《中国优秀硕士学位论文全文数据库》.2012, |
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