Composite explosives and processes for making same
申请人:Megabar Corporation
公开号:EP0152060A1
公开(公告)日:1985-08-21
A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a microknit composite explosive (MCX) in which an essentially anhydrous mixture of inorganic salts, surfactants and organic fuels is prepared while the oxidizer is molten, and a microcrystalline property is created which imparts a hard, machinable characteristic to the arrangement of matter. The invention includes three processes for making MCX compositions:
(1) dissolving surfactants, crystal-habit modifiers, thickeners or combinations into the molten oxidizer in a manner which permits supercooling with subsequent solidification;
(2) forming an unstable oil-continuous emulsion as a preliminary step, followed by a controlled disruption of the oil-phase continuum which causes the composition to solidify after supercooling; and
(3) retarding crystal nucleation in salt-continuous emulsions by introducing surfactants, thickeners, crystal-habit modifiers or combinations, along with immiscible fuels, resulting in supercooling and subsequent solidification to a hard composition. Crovdon Printina Comi
Production of 2-amino-2-[2-(4-alkyl-phenyl)ethyl]propane-1,3-diols
申请人:Novartis AG
公开号:EP1457478B1
公开(公告)日:2017-07-19
US4600451A
申请人:——
公开号:US4600451A
公开(公告)日:1986-07-15
US4600450A
申请人:——
公开号:US4600450A
公开(公告)日:1986-07-15
Zr-Catalyzed Electrophilic Carbomagnesation of Aryl Olefins. Mechanism-Based Control of Zr−Mg Ligand Exchange
作者:Judith de Armas、Amir H. Hoveyda
DOI:10.1021/ol0160607
日期:2001.6.1
Zr-catalyzed carbomagnesations are disclosed, where in contrast to previous catalytic carbomagnesations the alkyl moiety of the electrophile is transferred (vs that of the Grignardreagent). The identity of the Grignardreagent is manipulated so that Zr-Mg exchange is facilitated, leading to the formation of alkylmagnesium halide products.