CN110194459A - 一种大孔容高比表面积硅胶的制备方法 - Google Patents
一种大孔容高比表面积硅胶的制备方法 Download PDFInfo
- Publication number
- CN110194459A CN110194459A CN201910492398.8A CN201910492398A CN110194459A CN 110194459 A CN110194459 A CN 110194459A CN 201910492398 A CN201910492398 A CN 201910492398A CN 110194459 A CN110194459 A CN 110194459A
- Authority
- CN
- China
- Prior art keywords
- silica gel
- drying
- surface area
- specific surface
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000000741 silica gel Substances 0.000 title claims abstract description 108
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 108
- 239000011148 porous material Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000004108 freeze drying Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 20
- 238000001291 vacuum drying Methods 0.000 claims abstract description 20
- 239000000499 gel Substances 0.000 claims description 38
- 239000002245 particle Substances 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 239000004115 Sodium Silicate Substances 0.000 claims description 13
- 230000032683 aging Effects 0.000 claims description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims 3
- 235000019441 ethanol Nutrition 0.000 claims 1
- 239000004816 latex Substances 0.000 claims 1
- 229920000126 latex Polymers 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000011160 research Methods 0.000 abstract description 14
- 238000009777 vacuum freeze-drying Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000002431 foraging effect Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
- C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/157—After-treatment of gels
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/157—After-treatment of gels
- C01B33/158—Purification; Drying; Dehydrating
-
- 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
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/16—Preparation of silica xerogels
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910492398.8A CN110194459B (zh) | 2019-06-06 | 2019-06-06 | 一种大孔容高比表面积硅胶的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910492398.8A CN110194459B (zh) | 2019-06-06 | 2019-06-06 | 一种大孔容高比表面积硅胶的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN110194459A true CN110194459A (zh) | 2019-09-03 |
CN110194459B CN110194459B (zh) | 2020-12-01 |
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CN201910492398.8A Active CN110194459B (zh) | 2019-06-06 | 2019-06-06 | 一种大孔容高比表面积硅胶的制备方法 |
Country Status (1)
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CN (1) | CN110194459B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112938994A (zh) * | 2021-03-23 | 2021-06-11 | 广州市飞雪材料科技有限公司 | 一种具有沙粒感的牙膏用二氧化硅及其制备方法 |
CN113663610A (zh) * | 2021-09-11 | 2021-11-19 | 山东博凯硅胶有限公司 | 一种大孔低密度块状复合凝胶及其生产工艺 |
-
2019
- 2019-06-06 CN CN201910492398.8A patent/CN110194459B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112938994A (zh) * | 2021-03-23 | 2021-06-11 | 广州市飞雪材料科技有限公司 | 一种具有沙粒感的牙膏用二氧化硅及其制备方法 |
CN113663610A (zh) * | 2021-09-11 | 2021-11-19 | 山东博凯硅胶有限公司 | 一种大孔低密度块状复合凝胶及其生产工艺 |
Also Published As
Publication number | Publication date |
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CN110194459B (zh) | 2020-12-01 |
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Address after: 250014 No. 19, ASTRI Road, Lixia District, Shandong, Ji'nan Patentee after: ENERGY Research Institute OF SHANDONG ACADEMY OF SCIENCES Country or region after: China Patentee after: Qilu University of Technology (Shandong Academy of Sciences) Address before: 250014 No. 19, ASTRI Road, Lixia District, Shandong, Ji'nan Patentee before: ENERGY Research Institute OF SHANDONG ACADEMY OF SCIENCES Country or region before: China Patentee before: Qilu University of Technology |
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