AR203405A1 - Xerogel de silice y procedimiento para su preparacion - Google Patents
Xerogel de silice y procedimiento para su preparacionInfo
- Publication number
- AR203405A1 AR203405A1 AR256272A AR25627274A AR203405A1 AR 203405 A1 AR203405 A1 AR 203405A1 AR 256272 A AR256272 A AR 256272A AR 25627274 A AR25627274 A AR 25627274A AR 203405 A1 AR203405 A1 AR 203405A1
- Authority
- AR
- Argentina
- Prior art keywords
- xerogel
- silicone
- procedure
- preparation
- silicone xerogel
- Prior art date
Links
- 229920001296 polysiloxane Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/03—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
- C07C29/04—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds
-
- 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
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/05—Preparation of ethers by addition of compounds to unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/638—Pore volume more than 1.0 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US425437A US3917721A (en) | 1973-12-17 | 1973-12-17 | Olefin hydration using phosphoric acid on porous silica xerogel |
Publications (1)
Publication Number | Publication Date |
---|---|
AR203405A1 true AR203405A1 (es) | 1975-09-08 |
Family
ID=23686583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR256272A AR203405A1 (es) | 1973-12-17 | 1974-10-28 | Xerogel de silice y procedimiento para su preparacion |
Country Status (17)
Country | Link |
---|---|
US (1) | US3917721A (de) |
JP (1) | JPS5093286A (de) |
AR (1) | AR203405A1 (de) |
BE (1) | BE822811A (de) |
BR (1) | BR7409885A (de) |
CA (1) | CA1037017A (de) |
DE (1) | DE2459659A1 (de) |
ES (1) | ES432828A1 (de) |
FI (1) | FI365474A (de) |
FR (1) | FR2254516A1 (de) |
GB (1) | GB1483246A (de) |
IT (1) | IT1027691B (de) |
NL (1) | NL7415002A (de) |
NO (1) | NO743794L (de) |
NZ (1) | NZ176167A (de) |
SE (1) | SE7413469L (de) |
ZA (1) | ZA746433B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3996338A (en) * | 1973-12-17 | 1976-12-07 | National Distillers And Chemical Corporation | Silica xerogel |
US4012452A (en) * | 1973-12-17 | 1977-03-15 | National Distillers And Chemical Corporation | Olefin hydration process |
US4230679A (en) * | 1978-12-22 | 1980-10-28 | E. I. Du Pont De Nemours And Company | Poly(silicic acid) |
DE2938850B1 (de) * | 1979-09-26 | 1980-06-26 | Uhde Gmbh | Verfahren zur Entfluorierung von Phosphorsaeure |
US4329520A (en) * | 1980-03-21 | 1982-05-11 | Union Carbide Corporation | Process and catalyst for olefin hydration |
US4297241A (en) * | 1980-03-21 | 1981-10-27 | Union Carbide Corporation | Method of preparing an olefin hydration catalyst |
US4503263A (en) * | 1980-08-18 | 1985-03-05 | Atochem | Process for the preparation of octane boosting branched aliphatic ethers using solid superacid catalysts |
GB8518026D0 (en) * | 1985-07-17 | 1985-08-21 | British Petroleum Co Plc | Chemical process |
GB2184367A (en) * | 1985-12-18 | 1987-06-24 | British Gas Plc | Methanation catalysts |
PT85223B (pt) * | 1986-07-22 | 1990-03-30 | Grace W R & Co | Processo para a preparacao de aerogeles de silica e de composicoes dentifricas |
US4912279A (en) * | 1988-12-29 | 1990-03-27 | Uop | Solid phosphoric acid catalyst |
US5108975A (en) * | 1991-01-28 | 1992-04-28 | Phillips Petroleum Company | Composition and method of making high porosity, high strength compositions |
GB9214688D0 (en) * | 1992-07-10 | 1992-08-19 | Bp Chem Int Ltd | Olfin hydration catalysts |
GB9805107D0 (en) * | 1998-03-10 | 1998-05-06 | Bp Chem Int Ltd | Catalyst and use therof |
JP5300301B2 (ja) * | 2008-03-31 | 2013-09-25 | ニチアス株式会社 | 回転式除湿ロータ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2569092A (en) * | 1949-07-01 | 1951-09-25 | Union Oil Co | Phosphoric acid or metal phosphate catalysts on precalcined carriers and their preparation |
US2827500A (en) * | 1954-10-14 | 1958-03-18 | Exxon Research Engineering Co | Integrated hydration and alkylation of gaseous olefins |
BE577294A (de) * | 1958-04-04 | |||
GB1049043A (en) * | 1963-03-23 | 1966-11-23 | Kurashiki Rayon Kk | Synthesis of alcohols by the hydration of olefins |
NL6411993A (de) * | 1963-10-18 | 1965-04-20 | ||
US3459678A (en) * | 1966-01-03 | 1969-08-05 | Eastman Kodak Co | Olefin hydration catalyst |
-
1973
- 1973-12-17 US US425437A patent/US3917721A/en not_active Expired - Lifetime
-
1974
- 1974-10-08 CA CA210,997A patent/CA1037017A/en not_active Expired
- 1974-10-09 ZA ZA00746433A patent/ZA746433B/xx unknown
- 1974-10-22 NO NO743794A patent/NO743794L/no unknown
- 1974-10-25 SE SE7413469A patent/SE7413469L/xx unknown
- 1974-10-28 AR AR256272A patent/AR203405A1/es active
- 1974-11-18 NL NL7415002A patent/NL7415002A/xx unknown
- 1974-11-26 BR BR9885/74A patent/BR7409885A/pt unknown
- 1974-11-27 FR FR7438855A patent/FR2254516A1/fr not_active Withdrawn
- 1974-11-29 BE BE151041A patent/BE822811A/xx unknown
- 1974-12-02 JP JP49137091A patent/JPS5093286A/ja active Pending
- 1974-12-10 NZ NZ176167A patent/NZ176167A/xx unknown
- 1974-12-12 ES ES432828A patent/ES432828A1/es not_active Expired
- 1974-12-13 IT IT30564/74A patent/IT1027691B/it active
- 1974-12-17 DE DE19742459659 patent/DE2459659A1/de not_active Withdrawn
- 1974-12-17 FI FI3654/74A patent/FI365474A/fi unknown
- 1974-12-17 GB GB54427/74A patent/GB1483246A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI365474A (de) | 1975-06-18 |
US3917721A (en) | 1975-11-04 |
ES432828A1 (es) | 1977-02-16 |
JPS5093286A (de) | 1975-07-25 |
IT1027691B (it) | 1978-12-20 |
BR7409885A (pt) | 1976-05-25 |
NO743794L (de) | 1975-07-14 |
BE822811A (fr) | 1975-05-29 |
AU7430974A (en) | 1976-04-15 |
DE2459659A1 (de) | 1975-06-19 |
FR2254516A1 (de) | 1975-07-11 |
GB1483246A (en) | 1977-08-17 |
NL7415002A (nl) | 1975-06-19 |
CA1037017A (en) | 1978-08-22 |
SE7413469L (de) | 1975-06-18 |
ZA746433B (en) | 1975-11-26 |
NZ176167A (en) | 1978-03-06 |
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