DE2633198C2 - Verfahren zur Herstellung genau kugelförmiger Kieselsäuregelteilchen einstellbarer Größe und Porendimensionen - Google Patents
Verfahren zur Herstellung genau kugelförmiger Kieselsäuregelteilchen einstellbarer Größe und PorendimensionenInfo
- Publication number
- DE2633198C2 DE2633198C2 DE2633198A DE2633198A DE2633198C2 DE 2633198 C2 DE2633198 C2 DE 2633198C2 DE 2633198 A DE2633198 A DE 2633198A DE 2633198 A DE2633198 A DE 2633198A DE 2633198 C2 DE2633198 C2 DE 2633198C2
- Authority
- DE
- Germany
- Prior art keywords
- gel
- water
- silica gel
- particles
- gel particles
- 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 claims description 45
- 239000002245 particle Substances 0.000 title claims description 22
- 239000000741 silica gel Substances 0.000 title claims description 22
- 229910002027 silica gel Inorganic materials 0.000 title claims description 22
- 239000011148 porous material Substances 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title description 13
- 239000003960 organic solvent Substances 0.000 claims description 6
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000007863 gel particle Substances 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 43
- 239000000499 gel Substances 0.000 description 37
- 239000000243 solution Substances 0.000 description 21
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 239000000017 hydrogel Substances 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- 239000012153 distilled water Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 11
- 239000000377 silicon dioxide Substances 0.000 description 11
- 238000004587 chromatography analysis Methods 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000005227 gel permeation chromatography Methods 0.000 description 8
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 239000002609 medium Substances 0.000 description 6
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003995 emulsifying agent Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229940072049 amyl acetate Drugs 0.000 description 4
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 4
- 239000012362 glacial acetic acid Substances 0.000 description 4
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 235000019353 potassium silicate Nutrition 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- -1 glj: erin Chemical compound 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000012457 nonaqueous media Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- HIBWGGKDGCBPTA-UHFFFAOYSA-N C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 Chemical compound C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 HIBWGGKDGCBPTA-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 150000002895 organic esters Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- 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
- C01B33/1546—Preparation of hydrogels by acidic treatment of aqueous silicate solutions the first formed hydrosol being converted to a hydrogel by introduction into an organic medium immiscible or only partly miscible with water
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicon Compounds (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS7500005256A CS179184B1 (en) | 1975-07-25 | 1975-07-25 | Method for preparation of precisely spherical particles of silica gel with controlled size and controled size pores. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2633198A1 DE2633198A1 (de) | 1977-02-10 |
| DE2633198C2 true DE2633198C2 (de) | 1986-03-20 |
Family
ID=5397101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2633198A Expired DE2633198C2 (de) | 1975-07-25 | 1976-07-23 | Verfahren zur Herstellung genau kugelförmiger Kieselsäuregelteilchen einstellbarer Größe und Porendimensionen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4104363A (en:Method) |
| JP (1) | JPS5229498A (en:Method) |
| CS (1) | CS179184B1 (en:Method) |
| DE (1) | DE2633198C2 (en:Method) |
| FR (1) | FR2318822A1 (en:Method) |
| SE (1) | SE418074B (en:Method) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS196794B1 (en) * | 1977-09-23 | 1980-04-30 | Dusan Berek | Method of preparation of spherical microelements |
| CA1177811A (en) | 1981-04-13 | 1984-11-13 | Theo G. Spek | Process for the preparation of silica particles; silica particles with a narrow pore diameter distribution, catalysts made therefrom and use of these catalysts |
| JPS5926911A (ja) * | 1982-08-04 | 1984-02-13 | Toyo Soda Mfg Co Ltd | 球状多孔性シリカゲルおよびその製造法 |
| JPS6021802A (ja) * | 1983-07-15 | 1985-02-04 | Daido Sanso Kk | 均一な細孔を有する金属酸化物、その製造方法およびその金属酸化物からなる触媒用担体 |
| DK251984D0 (da) * | 1984-05-22 | 1984-05-22 | Niro Atomizer As | Fremgangsmaade til fremstilling af polymerpartikler |
| CS253971B1 (en) * | 1984-12-11 | 1987-12-17 | Peter Hermann | Production method of high active biological effective compounds immobilized on carrier |
| US4649037A (en) * | 1985-03-29 | 1987-03-10 | Allied Corporation | Spray-dried inorganic oxides from non-aqueous gels or solutions |
| DE3616133A1 (de) * | 1985-09-25 | 1987-11-19 | Merck Patent Gmbh | Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel |
| GB8529970D0 (en) * | 1985-12-05 | 1986-01-15 | Unilever Plc | Spheroidal silica |
| CA1311737C (en) * | 1986-07-28 | 1992-12-22 | The Dow Chemical Company | Process of making uniform size porous silica spheres |
| US5145578A (en) * | 1987-07-03 | 1992-09-08 | Shiseido Company Ltd. | Packing material for liquid chromatography |
| US5200471A (en) * | 1990-11-05 | 1993-04-06 | Minnesota Mining And Manufacturing Company | Biomolecules covalently immobilized with a high bound specific biological activity and method of preparing same |
| IT1275412B (it) * | 1995-06-01 | 1997-08-05 | Enichem Spa | Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica |
| US6319852B1 (en) | 1995-11-16 | 2001-11-20 | Texas Instruments Incorporated | Nanoporous dielectric thin film formation using a post-deposition catalyst |
| US5807607A (en) * | 1995-11-16 | 1998-09-15 | Texas Instruments Incorporated | Polyol-based method for forming thin film aerogels on semiconductor substrates |
| US6130152A (en) | 1995-11-16 | 2000-10-10 | Texas Instruments Incorporated | Aerogel thin film formation from multi-solvent systems |
| US6380105B1 (en) | 1996-11-14 | 2002-04-30 | Texas Instruments Incorporated | Low volatility solvent-based method for forming thin film nanoporous aerogels on semiconductor substrates |
| US6686035B2 (en) | 1999-02-05 | 2004-02-03 | Waters Investments Limited | Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
| US6528167B2 (en) * | 2001-01-31 | 2003-03-04 | Waters Investments Limited | Porous hybrid particles with organic groups removed from the surface |
| EP1417366A4 (en) * | 2001-08-09 | 2010-10-27 | Waters Technologies Corp | INORGANIC / ORGANIC HYBRID MONOLITHIC MATERIALS FOR CHROMATOGRAPHIC SEPARATIONS AND PROCESS FOR THEIR PREPARATION |
| US7125912B2 (en) * | 2001-10-09 | 2006-10-24 | Simax Technologies, Inc. | Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures |
| US7026362B2 (en) | 2001-10-09 | 2006-04-11 | Simax Technologies, Inc. | Sol-gel process utilizing reduced mixing temperatures |
| US7000885B2 (en) * | 2002-02-01 | 2006-02-21 | Simax Technologies, Inc. | Apparatus and method for forming a sol-gel monolith utilizing multiple casting |
| US20040194511A1 (en) * | 2002-02-01 | 2004-10-07 | Chih-Hsing Cheng | Sol-gel-derived halogen-doped glass |
| US6928220B2 (en) * | 2002-02-01 | 2005-08-09 | Simax Technologies, Inc. | Sol-gel-derived optical fiber preform and method of manufacture |
| US7001568B2 (en) * | 2002-02-01 | 2006-02-21 | Simax Technologies, Inc. | Method of removing liquid from pores of a sol-gel monolith |
| US20030147606A1 (en) * | 2002-02-01 | 2003-08-07 | Shiho Wang | Sol-gel-based optical preforms and methods of manufacture |
| GB2414993B (en) | 2002-10-30 | 2007-07-11 | Waters Investments Ltd | Porous inorganic/organic homogenous copolymeric hybrid materials for chromatographic separations and process for the preparation thereof |
| AU2003300295A1 (en) * | 2002-12-20 | 2004-07-22 | Cardiac Inventions Unlimited, Inc. | Left ventricular pacing lead and implantation method |
| WO2005079427A2 (en) * | 2004-02-17 | 2005-09-01 | Waters Investments Limited | Porous hybrid monolith materials with organic groups removed from the surface |
| WO2005096785A2 (en) * | 2004-04-09 | 2005-10-20 | Synergy Innovations, Inc. | System and method of manufacturing mono-sized-disbursed spherical particles |
| US10773186B2 (en) | 2004-07-30 | 2020-09-15 | Waters Technologies Corporation | Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation |
| GB2433937B (en) | 2004-07-30 | 2009-09-02 | Waters Investments Ltd | Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation |
| WO2008085435A1 (en) | 2007-01-12 | 2008-07-17 | Waters Investments Limited | Porous carbon-heteroatom-silicon hybrid inorganic/organic materials for chromatographic separations and process for the preparation thereof |
| US11291974B2 (en) | 2009-06-01 | 2022-04-05 | Waters Technologies Corporation | Hybrid inorganic/organic materials having novel surface modification; process for the preparation of inorganic/organic hybrid materials; and use of said particles for chromatographic separations |
| US11439977B2 (en) | 2009-06-01 | 2022-09-13 | Waters Technologies Corporation | Hybrid material for chromatographic separations comprising a superficially porous core and a surrounding material |
| JP6199184B2 (ja) | 2010-07-26 | 2017-09-20 | ウオーターズ・テクノロジーズ・コーポレイシヨン | 粒度分布の狭い実質的に非多孔質のコアを含む表面多孔質材料、その製造方法及びクロマトグラフィー分離用としてのその使用 |
| JP6360482B2 (ja) | 2012-09-17 | 2018-07-18 | ダブリュー・アール・グレース・アンド・カンパニー−コーンＷ Ｒ Ｇｒａｃｅ ＆ Ｃｏ−Ｃｏｎｎ | クロマトグラフィー担体及びデバイス |
| ES2887110T3 (es) | 2014-01-16 | 2021-12-21 | Grace W R & Co | Medios para cromatografía de afinidad y dispositivos para cromatografía |
| US11389783B2 (en) | 2014-05-02 | 2022-07-19 | W.R. Grace & Co.-Conn. | Functionalized support material and methods of making and using functionalized support material |
| CN107921407B (zh) | 2015-06-05 | 2022-07-05 | 格雷斯公司 | 生物处理吸附澄清剂及其制备和使用方法 |
| EP3426388A1 (en) | 2016-03-06 | 2019-01-16 | Waters Technologies Corporation | Superficially porous materials comprising a coated core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1772055A (en) * | 1927-03-12 | 1930-08-05 | Silica Gel Corp | Gel and method of preparing same |
| US2395524A (en) * | 1941-07-22 | 1946-02-26 | Houdry Process Corp | Method of preparing porous silica |
| US2474910A (en) * | 1944-03-04 | 1949-07-05 | Standard Oil Dev Co | Preparation of spherical gel particles |
| US2782869A (en) * | 1951-07-02 | 1957-02-26 | Phillips Petroleum Co | Preparation of silica gels |
| US2765242A (en) * | 1952-02-29 | 1956-10-02 | Du Pont | Process of making reinforced silica gel and esterified silica gel |
| US2921839A (en) * | 1955-12-23 | 1960-01-19 | Columbia Southern Chem Corp | Silica precipitation method |
| US3321276A (en) * | 1965-10-23 | 1967-05-23 | Owens Illinois Inc | Preparation of silica gel |
| DE1667078B2 (de) * | 1967-10-31 | 1979-07-19 | W.R. Grace & Co., New York, N.Y. (V.St.A.) | Verfahren zur Herstellung von kugelförmigen Kieselsäurehydrogelen |
| US3819811A (en) * | 1968-08-06 | 1974-06-25 | Nat Petro Chem | Preparation of silica gels |
| GB1285714A (en) * | 1968-11-25 | 1972-08-16 | Bp Chem Int Ltd | Production of silica gels |
-
1975
- 1975-07-25 CS CS7500005256A patent/CS179184B1/cs unknown
-
1976
- 1976-07-21 SE SE7608313A patent/SE418074B/xx not_active IP Right Cessation
- 1976-07-23 US US05/708,044 patent/US4104363A/en not_active Expired - Lifetime
- 1976-07-23 FR FR7622471A patent/FR2318822A1/fr active Granted
- 1976-07-23 DE DE2633198A patent/DE2633198C2/de not_active Expired
- 1976-07-26 JP JP51088301A patent/JPS5229498A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE7608313L (sv) | 1977-01-26 |
| JPS5229498A (en) | 1977-03-05 |
| US4104363A (en) | 1978-08-01 |
| FR2318822B1 (en:Method) | 1982-12-17 |
| SE418074B (sv) | 1981-05-04 |
| DE2633198A1 (de) | 1977-02-10 |
| CS179184B1 (en) | 1977-10-31 |
| FR2318822A1 (fr) | 1977-02-18 |
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