RU95110863A - Прессованные изделия на основе пирогенно полученных оксидов и способ их изготовления - Google Patents
Прессованные изделия на основе пирогенно полученных оксидов и способ их изготовленияInfo
- Publication number
- RU95110863A RU95110863A RU95110863/25A RU95110863A RU95110863A RU 95110863 A RU95110863 A RU 95110863A RU 95110863/25 A RU95110863/25 A RU 95110863/25A RU 95110863 A RU95110863 A RU 95110863A RU 95110863 A RU95110863 A RU 95110863A
- Authority
- RU
- Russia
- Prior art keywords
- pressed
- products based
- pressed products
- producing
- pyrogen
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2R,3R,4S,5R,6S)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2R,3R,4S,5R,6R)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims 1
- XGEGHDBEHXKFPX-UHFFFAOYSA-N N-methyl urea Chemical compound CNC(N)=O XGEGHDBEHXKFPX-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 235000012438 extruded product Nutrition 0.000 claims 1
- 235000019359 magnesium stearate Nutrition 0.000 claims 1
- 229920000609 methyl cellulose Polymers 0.000 claims 1
- 239000001923 methylcellulose Substances 0.000 claims 1
- 235000010981 methylcellulose Nutrition 0.000 claims 1
- 239000002510 pyrogen Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (3)
1. Прессованные изделия на основе пирогенно-полученных оксидов, отличающиеся внешним диаметром от 16 до 100 мм.
2. Способ изготовления прессованных изделий на основе пирогенно-полученных оксидов по п. 1, отличающийся тем, что смешивают в воде пирогенно-полученный оксид, стеарат магния, метилцеллюлозу и мочевину, затем уплотняют, высушивают, измельчают до порошка и для получения прессованных изделий порошок прессуют в изостатическом прессе при давлении 25 - 650 бар или в осевом прессе с силой 1 - 50 т и отжигают прессованные изделия в ограниченных во временном режиме температурах в диапазоне от комнатной температуры до 1200oС.
3. Прессованные изделия, отличающиеся тем, что их используют в качестве опорного, покровного или обтекающего слоев в реакциях с неподвижным слоем.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4427574.9 | 1994-08-04 | ||
| DE4427574A DE4427574C2 (de) | 1994-08-04 | 1994-08-04 | Preßlinge auf Basis von pyrogen hergestelltem Siliciumdioxid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU95110863A true RU95110863A (ru) | 1997-07-27 |
| RU2119451C1 RU2119451C1 (ru) | 1998-09-27 |
Family
ID=6524899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95110863A RU2119451C1 (ru) | 1994-08-04 | 1995-07-03 | Прессованные изделия на основе пирогенно полученных оксидов и способ их изготовления |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5858906A (ru) |
| EP (1) | EP0704412B1 (ru) |
| JP (1) | JP2989126B2 (ru) |
| DE (2) | DE4427574C2 (ru) |
| ES (1) | ES2135631T3 (ru) |
| RU (1) | RU2119451C1 (ru) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6207610B1 (en) | 1996-05-17 | 2001-03-27 | Degussa-Huls Ag | Compacts based on pyrogenically produced silicon dioxide |
| DE19619961A1 (de) * | 1996-05-17 | 1997-11-20 | Degussa | Preßlinge auf Basis von pyrogen hergestelltem Siliciumdioxid |
| DE19650500A1 (de) * | 1996-12-05 | 1998-06-10 | Degussa | Dotierte, pyrogen hergestellte Oxide |
| DE19750238A1 (de) * | 1997-11-13 | 1999-05-27 | Degussa | Preßlinge auf Basis von pyrogen hergestelltem Siliciumdioxid |
| DE19828491A1 (de) * | 1998-06-26 | 1999-12-30 | Degussa | Formkörper auf Basis von Siliciumdioxid |
| DE19843845A1 (de) * | 1998-09-24 | 2000-03-30 | Degussa | Formkörper, bestehend aus pyrogenem Mischoxid und deren Verwendung |
| EP1148026B1 (de) | 2000-04-12 | 2016-08-10 | Evonik Degussa GmbH | Dispersionen |
| DE10135452A1 (de) * | 2001-07-20 | 2003-02-06 | Degussa | Pyrogen hergestellte Aluminium-Silicium-Mischoxide |
| US20100117272A1 (en) * | 2008-11-13 | 2010-05-13 | Derosa Michael Edward | Method Of Increasing Ceramic Paste Stiffening/Gelation Temperature By Using Organic Additive Urea |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920734B1 (ru) * | 1969-11-24 | 1974-05-27 | ||
| GB1543576A (en) * | 1975-06-10 | 1979-04-04 | Bp Chem Int Ltd | Catalyst support |
| US4126422A (en) * | 1976-04-26 | 1978-11-21 | Corning Glass Works | Method of densifying metal oxides |
| US4221596A (en) * | 1976-10-04 | 1980-09-09 | General Motors Corporation | Method for low pressure forming of fused silica compositions and resultant bodies |
| DE2931810A1 (de) * | 1979-08-06 | 1981-02-19 | Degussa | Temperaturstabilisiertes siliciumdioxid-mischoxid, das verfahren zu seiner herstellung und verwendung |
| DE3132674C2 (de) * | 1981-08-19 | 1983-12-08 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von Preßlingen |
| DE3217751A1 (de) * | 1982-05-12 | 1983-11-17 | Degussa Ag, 6000 Frankfurt | Presslinge aus pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung sowie ihre verwendung |
| DE3526405A1 (de) * | 1985-07-24 | 1987-02-05 | Henkel Kgaa | Schichtsilikate mit beschraenktem quellvermoegen, verfahren zu ihrer herstellung und ihre verwendung in wasch- und reinigungsmitteln |
| DE3803895C1 (ru) * | 1988-02-09 | 1989-04-13 | Degussa Ag, 6000 Frankfurt, De | |
| DE3803894A1 (de) * | 1988-02-09 | 1989-08-10 | Degussa | Presslinge auf basis von pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung und ihre verwendung |
| US5053362A (en) * | 1988-09-27 | 1991-10-01 | The Carborundum Company | Ceramic fiber refractory moldable compositions |
| DE3912504A1 (de) * | 1989-04-17 | 1990-10-18 | Degussa | Presslinge auf basis von pyrogen hergestelltem siliciumdioxid, verfahren zu ihrer herstellung und ihre verwendung |
| US5231067A (en) * | 1989-04-27 | 1993-07-27 | Degussa Ag | Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use |
| DE3913938A1 (de) * | 1989-04-27 | 1990-10-31 | Degussa | Presslinge auf basis von pyrogen hergestelltem titandioxid, verfahren zu ihrer herstellung sowie ihre verwendung |
| DE4228711A1 (de) * | 1992-08-28 | 1994-03-03 | Degussa | Silicium-Aluminium-Mischoxid |
| DE4242227A1 (de) * | 1992-12-15 | 1994-06-16 | Heraeus Quarzglas | Katalysatorträger und Verfahren für seine Herstellung |
| JP3214982B2 (ja) * | 1994-07-04 | 2001-10-02 | 株式会社トクヤマ | 無機組成物 |
-
1994
- 1994-08-04 DE DE4427574A patent/DE4427574C2/de not_active Expired - Fee Related
-
1995
- 1995-06-16 EP EP95109335A patent/EP0704412B1/de not_active Expired - Lifetime
- 1995-06-16 ES ES95109335T patent/ES2135631T3/es not_active Expired - Lifetime
- 1995-06-16 DE DE59506458T patent/DE59506458D1/de not_active Expired - Fee Related
- 1995-07-03 RU RU95110863A patent/RU2119451C1/ru active
- 1995-08-01 US US08/510,033 patent/US5858906A/en not_active Expired - Fee Related
- 1995-08-03 JP JP7198844A patent/JP2989126B2/ja not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0333957B1 (en) | Laminated extruded thermal shock resistant articles and method for making such articles | |
| KR930005309B1 (ko) | 모노리드식 촉매 지지체 및 제조방법 | |
| KR960008884B1 (ko) | 금속-포장된 세라믹 및 금속 기체(基體)를 포함하는 제품 및 이의 제조방법 | |
| CA2214465A1 (en) | Composite material protected against oxidation by a self-healing matrix, and a method of manufacturing it | |
| EP0497623A3 (en) | Method for production of particulate hydrated gel polymer and absorbent resin | |
| EP0554104A3 (en) | Ceramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structure | |
| RU95110863A (ru) | Прессованные изделия на основе пирогенно полученных оксидов и способ их изготовления | |
| CA2226485A1 (en) | Porous composite sheet and process for the production thereof | |
| WO1998043927A3 (en) | Porous ceramic articles and method for the manufacture thereof | |
| NO983342L (no) | Hul mikrofiber av keramisk materiale, en fremgangsmÕte for fremstilling og dets anvendelse | |
| DE58904612D1 (de) | Sinterbares rohstoffpulver, auf basis von aluminiumtitanat, verfahren zu seiner herstellung sowie daraus hergestellte sinterformkoerper und deren verwendung. | |
| CA2040792A1 (en) | Titanium dioxide pressed articles, a method of manufacturing them, and use thereof | |
| CA2135292A1 (en) | Ceramic products | |
| WO2005049191A3 (en) | Method of producing alumina-silica catalyst supports | |
| DE69913998D1 (de) | Durch heissisostatisches Pressen verbundener Körper und dessen Herstellungsverfahren | |
| JPS5757804A (en) | Production of honeycomb-shaped molding made of metal | |
| CA2268019A1 (en) | A method for manufacturing a ceramic composite material | |
| CA2032932A1 (en) | Method of producing a porous metal and a metal product using the same | |
| DE2342948B2 (de) | Verfahren zur herstellung von keramikmaterialhohlkoerpern und deren verwendung | |
| CA2242756A1 (en) | Preform and production method therefor | |
| RU93025600A (ru) | Способ изготовления фильтрующего материала | |
| Marchive | Status and Development of the Medium-Strength Extrusion Alloys of the 6000 Series | |
| DE4033227A1 (de) | Verfahren zur herstellung metallischen oder keramischen materials | |
| WO1991013714A1 (de) | Verfahren zur herstellung metallischen oder keramischen materials | |
| Lezanski | Unconventional Methods of Sinters Production in Powder Metallurgy |