GB1340230A - Preparation of silica of high pore volume - Google Patents
Preparation of silica of high pore volumeInfo
- Publication number
- GB1340230A GB1340230A GB4279471A GB4279471A GB1340230A GB 1340230 A GB1340230 A GB 1340230A GB 4279471 A GB4279471 A GB 4279471A GB 4279471 A GB4279471 A GB 4279471A GB 1340230 A GB1340230 A GB 1340230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silica
- silicate solution
- preparation
- hydrogel
- silica hydrogel
- 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.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 18
- 239000000377 silicon dioxide Substances 0.000 title abstract 8
- 238000002360 preparation method Methods 0.000 title abstract 2
- 239000011148 porous material Substances 0.000 title 1
- 239000000017 hydrogel Substances 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 229910052910 alkali metal silicate Inorganic materials 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000000741 silica gel Substances 0.000 abstract 2
- 229910002027 silica gel Inorganic materials 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7196670A | 1970-09-14 | 1970-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1340230A true GB1340230A (en) | 1973-12-12 |
Family
ID=22104715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4279471A Expired GB1340230A (en) | 1970-09-14 | 1971-09-14 | Preparation of silica of high pore volume |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS549157B1 (enrdf_load_stackoverflow) |
| AU (1) | AU460371B2 (enrdf_load_stackoverflow) |
| CA (1) | CA944655A (enrdf_load_stackoverflow) |
| DE (1) | DE2145090C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2107652A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1340230A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5215733A (en) * | 1986-04-25 | 1993-06-01 | Unilever Patent Holdings B.V. | Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone |
| CN115583656A (zh) * | 2022-10-12 | 2023-01-10 | 天津市建筑材料科学研究院有限公司 | 一种经二氧化碳水溶液转化制备二氧化硅气凝胶的方法 |
| CN115849387A (zh) * | 2022-12-27 | 2023-03-28 | 中南大学 | 一种利用钢渣粉制备二氧化硅凝胶的方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3430801A1 (de) * | 1984-08-22 | 1986-03-06 | Bayer Ag, 5090 Leverkusen | Verwendung von poroesen fuellstoffen in polymerisierbaren massen, solche massen und deren verwendung zur herstellung von formkoerpern |
| KR0133232B1 (ko) * | 1994-10-20 | 1998-04-13 | 우덕창 | 저밀도 다공성 실리카겔 분말의 제조방법 |
| GB9625630D0 (en) * | 1996-12-10 | 1997-01-29 | Unilever Plc | Controlled-pore amorphous silicas and process for manufacturing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1237991B (de) * | 1962-10-18 | 1967-04-06 | Mobil Oil Corp | Verfahren zur Herstellung eines siliciumdioxydhaltigen Aerogels |
| NL134071C (enrdf_load_stackoverflow) * | 1965-07-02 |
-
1971
- 1971-08-19 AU AU32544/71A patent/AU460371B2/en not_active Expired
- 1971-09-09 DE DE19712145090 patent/DE2145090C2/de not_active Expired
- 1971-09-13 JP JP7047371A patent/JPS549157B1/ja active Pending
- 1971-09-13 CA CA122,654A patent/CA944655A/en not_active Expired
- 1971-09-14 GB GB4279471A patent/GB1340230A/en not_active Expired
- 1971-09-14 FR FR7133104A patent/FR2107652A5/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5215733A (en) * | 1986-04-25 | 1993-06-01 | Unilever Patent Holdings B.V. | Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone |
| CN115583656A (zh) * | 2022-10-12 | 2023-01-10 | 天津市建筑材料科学研究院有限公司 | 一种经二氧化碳水溶液转化制备二氧化硅气凝胶的方法 |
| CN115583656B (zh) * | 2022-10-12 | 2024-04-09 | 天津市建筑材料科学研究院有限公司 | 一种经二氧化碳水溶液转化制备二氧化硅气凝胶的方法 |
| CN115849387A (zh) * | 2022-12-27 | 2023-03-28 | 中南大学 | 一种利用钢渣粉制备二氧化硅凝胶的方法 |
| CN115849387B (zh) * | 2022-12-27 | 2024-06-25 | 中南大学 | 一种利用钢渣粉制备二氧化硅凝胶的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3254471A (en) | 1973-02-22 |
| FR2107652A5 (enrdf_load_stackoverflow) | 1972-05-05 |
| AU460371B2 (en) | 1975-04-24 |
| JPS549157B1 (enrdf_load_stackoverflow) | 1979-04-21 |
| DE2145090A1 (de) | 1972-03-16 |
| DE2145090C2 (de) | 1985-01-24 |
| CA944655A (en) | 1974-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |