
专利信息
专利号:US-9714174-B2
优先权日:2012-07-19
标题:Methods of controlling polymorphism in organic-free synthesis of Na-zeolites and zeolite crystals formed therefrom
发明人:RIMER JEFFREY D; MALDONADO MIGUEL; OLEKSIAK MATTHEW D
权利人:RIMER JEFFREY D; MALDONADO MIGUEL; OLEKSIAK MATTHEW D; UNIV HOUSTON SYSTEM
摘要:Methods of controlling crystal polymorphism in organic-free synthesis of Na-Zeolites and the zeolite crystals formed using those methods are provided. The methods disclosed herein create certain types of zeolite crystals more efficiently than other previously known methods. The methods also create certain types of zeolite crystals in a form and concentration not previously disclosed. The methods disclosed herein generally comprise using solutions with varying ratios of silicon (Si), aluminum (Al), hydroxide (OH), and water. Some implementations of the invention disclosed include efficient methods of producing nearly pure cancrinite (CAN), methods of obtaining sodalite in solutions with a high Si/Al ratio, and a method of forming thin, platelet-like ANA crystals with a width of less than about 1 μm and a length of at least about 3 μm.
专利号:US-11814290-B2
优先权日:2017-09-27
标题 :Processes for production of carbon nanotubes from natural rubber
发明人:LIN MING; TANG YUANTING KAREN; CHAI HUI TENG CASANDRA; ZHONG ZIYI; LUO JI ZHONG
权利人:AGENCY SCIENCE TECH & RES
摘要:A method for the synthesis of carbon nanotubes from natural rubber, including providing a first material, the first material may include natural rubber or derivatives thereof, thermally decomposing the first material at a first temperature into an intermediate material, contacting the intermediate material with a catalyst, treating the intermediate material in contact with the catalyst at a second temperature, for forming carbon nanotubes. Adjusting an average characteristic of resulting nanotubes, including carrying out the synthesis method as a reference method and for decreasing the average diameter of the nanotube: decreasing the second temperature and/or decreasing the reaction time and/or increasing the concentration of H2 in the forming gas in relation to the reference method. Or, for increasing the average diameter of the nanotube: increasing the second temperature and/or increasing the reaction time and/or decreasing the concentration of H2 in the forming gas in relation to the reference method.
专利号:US-9089835-B2
优先权日:2012-08-29
标 题 :Catalysts for synthesis of liquid hydrocarbons using syngas and preparation methods thereof
发明人:MOON DONG JU; BAE JONG WOOK; LEE BAL SANG; KOO HYUN MO
权利人:KOREA INST SCI & TECH
摘要:Disclosed is a Co/Al 2 O 3 /SiC catalyst for Fischer-Tropsch synthesis exhibiting superior heat transfer and mass transport effects, wherein an Al 2 O 3 /SiC support in which alumina is coated on silicon carbide (SiC) with superior thermal conductivity is used and cobalt (Co) is supported thereon as an active component to provide a bimodal pore size distribution, and a method for preparing same. Use of the Al 2 O 3 /SiC support improves cobalt dispersion and enhances cobalt-support interaction, thereby inhibiting generation of cokes (carbon filaments). As a result, catalyst stability is improved and conversion of syngas (carbon monoxide and hydrogen) can be improved.
专利号:US-2024215280-A1
优先权日:2022-10-31
标 题:In situ core/shell perovskite nanocrystal material, method of preparation thereof, and light emitting device comprising the same
发明人:LEE TAE-WOO; KIM JOO SUNG
权利人:SEOUL NAT UNIV R&DB FOUNDATION; PEROLED CO LTD
摘要:The present inventive concept relates to an in situ core/shell perovskite nanocrystal film formed by an in situ nanocrystal synthesis process, a method for producing the same, and a light emitting device comprising the same as a light-emitting layer. The in situ core/shell perovskite nanocrystal film formed by the in situ nanocrystal synthesis process according to the present inventive concept exhibits a strong charge confinement effect by nanocrystal formation, and can simultaneously greatly improve the luminescence efficiency and lifetime by maintaining the fast charge transport capability of polycrystalline perovskite.
专利号:JP-S60248636-A
优先权日:1984-05-10
标 题 :Method for the synthesis of primary alcohol mixtures from synthesis gas in the presence of catalysts containing copper, cobalt, zinc and aluminum
专利号:WO-2009051353-A2
优先权日:2007-10-15
标题:Method of direct synthesis of light hydrocarbons from natural gas