CN104876226A - 一种用甲醇亚临界干燥快速制备疏水氧化硅气凝胶的方法 - Google Patents
一种用甲醇亚临界干燥快速制备疏水氧化硅气凝胶的方法 Download PDFInfo
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- CN104876226A CN104876226A CN201510234726.6A CN201510234726A CN104876226A CN 104876226 A CN104876226 A CN 104876226A CN 201510234726 A CN201510234726 A CN 201510234726A CN 104876226 A CN104876226 A CN 104876226A
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- methanol
- gel
- hydrophobic silica
- silica aerogel
- drying
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 177
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 29
- 238000001035 drying Methods 0.000 title claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000004965 Silica aerogel Substances 0.000 title claims abstract description 18
- 239000000499 gel Substances 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000011240 wet gel Substances 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 13
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 claims abstract description 11
- -1 silicate ester Chemical class 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000003377 acid catalyst Substances 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000013329 compounding Methods 0.000 claims abstract description 4
- 239000012784 inorganic fiber Substances 0.000 claims abstract description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 3
- 239000004964 aerogel Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-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
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 238000003808 methanol extraction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- RSIHJDGMBDPTIM-UHFFFAOYSA-N ethoxy(trimethyl)silane Chemical compound CCO[Si](C)(C)C RSIHJDGMBDPTIM-UHFFFAOYSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010981 drying operation Methods 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- ZZRGHKUNLAYDTC-UHFFFAOYSA-N ethoxy(methyl)silane Chemical compound CCO[SiH2]C ZZRGHKUNLAYDTC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 125000001165 hydrophobic group Chemical group 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
- 230000004048 modification Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000000352 supercritical drying Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000357 thermal conductivity detection Methods 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106032276A (zh) * | 2015-03-13 | 2016-10-19 | 长春工业大学 | 一种用于油水分离的新型环保气凝胶材料的制备方法 |
CN106044787A (zh) * | 2016-08-12 | 2016-10-26 | 乳山市大洋硅胶厂 | 一种气凝胶的制备方法 |
CN107587383A (zh) * | 2017-10-27 | 2018-01-16 | 成都新柯力化工科技有限公司 | 一种长效气相防锈纸及其制备方法 |
CN108383129A (zh) * | 2018-01-30 | 2018-08-10 | 南京工业大学 | 一种柔性疏水氧化硅气凝胶的制备方法 |
CN109748284A (zh) * | 2019-03-27 | 2019-05-14 | 海南大学 | 一种无机气凝胶的制备方法 |
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CN101264891A (zh) * | 2008-04-14 | 2008-09-17 | 北京科技大学 | 一种高强度、低密度二氧化硅气凝胶的制备方法 |
CN101698583A (zh) * | 2009-11-13 | 2010-04-28 | 航天特种材料及工艺技术研究所 | 一种多组元气凝胶复合材料及其制备方法 |
CN102500314A (zh) * | 2011-11-30 | 2012-06-20 | 南京工业大学 | 一种硝基化合物吸附用气凝胶的制备方法 |
CN103342367A (zh) * | 2013-07-09 | 2013-10-09 | 南京工业大学 | 一种亲水型SiO2气凝胶的制备方法 |
CN103665422A (zh) * | 2013-12-13 | 2014-03-26 | 南京天印新材料科技有限公司 | 一种低密度SiO2气凝胶/海绵复合材料的制备方法 |
CN104030301A (zh) * | 2014-06-18 | 2014-09-10 | 金承黎 | 一种二氧化硅气凝胶材料及其制备方法 |
CN104402395A (zh) * | 2014-11-18 | 2015-03-11 | 四川睿光科技有限责任公司 | 一种纤维增强柔性SiO2气凝胶绝热材料及其制备方法 |
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CN101264891A (zh) * | 2008-04-14 | 2008-09-17 | 北京科技大学 | 一种高强度、低密度二氧化硅气凝胶的制备方法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106032276A (zh) * | 2015-03-13 | 2016-10-19 | 长春工业大学 | 一种用于油水分离的新型环保气凝胶材料的制备方法 |
CN106044787A (zh) * | 2016-08-12 | 2016-10-26 | 乳山市大洋硅胶厂 | 一种气凝胶的制备方法 |
CN107587383A (zh) * | 2017-10-27 | 2018-01-16 | 成都新柯力化工科技有限公司 | 一种长效气相防锈纸及其制备方法 |
CN107587383B (zh) * | 2017-10-27 | 2020-05-12 | 江苏帕丁顿生物科技有限公司 | 一种长效气相防锈纸及其制备方法 |
CN108383129A (zh) * | 2018-01-30 | 2018-08-10 | 南京工业大学 | 一种柔性疏水氧化硅气凝胶的制备方法 |
CN109748284A (zh) * | 2019-03-27 | 2019-05-14 | 海南大学 | 一种无机气凝胶的制备方法 |
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