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Matches 551 - 600 out of 1,878

Document Document Title
JP5388427B2  
JP5386038B2  
JP5380931B2  
JP5377660B2
The invention relates to an improved multistage process for the continuous preparation of diisocyanates by reaction of the corresponding diamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric urethane...  
JP5366393B2
Producing isocyanates by reacting primary amines with phosgene, comprises (a) reacting phosgene and amines at above the boiling temperature of the amine and within an average contact time of 0.05-15 seconds in a reaction area, (b) coolin...  
JP5366580B2
Preparing isocyanate comprises: (a) reacting amine with phosgene in the presence of solvent to form liquid stream; (b) separating a gaseous stream containing e.g. phosgene to form liquid phase and gaseous phase; (c) separating the liquid...  
JP5361178B2
Preparation of isocyanate comprises adiabatically reacting a corresponding primary amine with phosgene at the boiling temperature of the amine with an average contact value of 0.05-15 seconds.  
JP5354851B2
A method for the production of 4,4'-diphenylmethanedi-isocyanate (4,4'-MDI) by reacting aniline with formaldehyde and then reacting the amine mixture with phosgene, involves separating the resulting mixture by distillation and/or crystal...  
JP2012524746A5  
JP5336828B2
To provide a method and apparatus for producing carbonyl chloride in which a supply amount of chlorine is kept equal to or less than a supply amount of carbon monoxide in terms of molar ratio so that a polyisocyanate can be prevented fro...  
JP5334558B2
In a rotor-stator mixer comprising a rotationally symmetrical housing (1) with a frontal plate (23) and a mixing chamber (2) having separate material inlets and an outlet (13), where an inlet (5) for first material is in the chamber rota...  
JP2013540101A
A manufacturing method of the isocyanate by dissociation of carbamate including the process of dissociating carbamate under existence of a heterogeneous system Lewis acid catalyst. [Chosen drawing] Drawing 1  
JP5322183B2
Disclosed is a method for efficiently producing an isocyanate compound at a low reaction temperature at a low reaction pressure without using a highly toxic phosgene and without going through a complicated process. Specifically, an isocy...  
JP2013538795A
It is a preparing method of polyfunctional poly カルボ diimide used as a crosslinking agent, It is an adjustment method of the polyfunctional poly カルボ diimide used as a crosslinking agent, Under existence of mono- [in which manu...  
JP2013538684A
Embodiments of the present invention relate to a mixing apparatus. Particularly, embodiments of the present invention provide a mixing apparatus for mixing fluid components such as phosgene and amine during a highly reactive chemical rea...  
JP5313164B2
An object of the present invention is to provide a process for producing isocyanates, which are industrially useful compounds, without using phosgene, and to provide a process for chemically recycling waste polycarbonate resin. The prese...  
JP2013537910A
The present invention a process and apparatus for the production of methylene diphenyl diisocyanate (MDI) isomer mixtures with a low 2,2'-MDI isomer content and a high 2,4'-MDI isomer content. The resulting mixtures have an increased rea...  
JP5300182B2
Toluenediamine is produced and separated from by-products of the reaction by: a) hydrogenating dinitrotoluene in the presence of a catalyst, b) separating the catalyst, water and optionally solvent from the hydrogenation reaction mixture...  
JP2013173784A
To provide a multistage method for continuously producing organic polyisocyanates, in particular diisocyanates.In a multistage method for continuously producing organic diisocyanates or polyisocyanates, the corresponding diisocyanates or...  
JP5274454B2  
JP2012533525A5  
JPWO2011158598A
The manufacturing methods of carbamate are a urea manufacturing process and a carbamate chemically-modified degree, The ammonia separation process of separating ammonia while absorbing gas with the bottom of existence of carbonate, and w...  
JP2012532160A5  
JP2012532159A5  
JP5264489B2
The present invention relates to a process for preparing isocyanates and an apparatus suitable for this purpose, and also its use. In the process, an amine and phosgene, both in the gas phase, react in the presence of an inert medium. A ...  
JP5258327B2  
JP5254234B2  
JP5254020B2  
JP5242678B2  
JP5231241B2  
JPWO2011125429A
A fluorine-containing diester carbonate compound by which the present invention is expressed with a formula (1), and a non-aromatic diamine compound denoted by a formula (2), It is made to react without using a catalyst and is related wi...  
JP5226940B2  
JP5227184B2  
JPWO2011108473A
The lysine decarbonization acid enzyme revelation microorganism which processed is used for the manufacturing method of 1 and 5* pentamethylene ジアミン.  
JP2013525463A
The present invention is a manufacturing method of isocyanate by making amine and phosgene react in the gaseous phase, When amine converts into the gaseous phase, a diluent containing a substance and 0.0001 % of the weight * 10.0000% of ...  
JP5216198B2  
JP2013523881A
a process which the present invention gives a solvent a アゾリド and if needed, and b -- it is related with a method for manufacturing isocyanate including a process of adding acid at a temperature lower than about 40 ℃. The presen...  
JP2013522261A
(b) [gaseous phase reaction of at least one sort of amine in inside of (a) reaction zone, and phosgene, and] The present invention is a production method of isocyanate which consists of cooling of reactant gas by indirect cooling in a co...  
JP2013116896A
To provide a method for extruding a gaseous CO2-containing flow from combined Deacon/isocyanate production equipment, the method posing no drawbacks described below: although the unselective absorption of chlorine from an extruded CO2-co...  
JP5207730B2  
JP2013520465A
It is the method of making amine and phosgene corresponding to the isocyanate concerned for isocyanate react in the gaseous phase under existence of an inactive medium or nonexistence, and manufacturing, Process of evaporating amine in t...  
JP2013107909A
To provide a method in which there are not various problems shown in a prior art when isocyanate is manufactured without using phosgene, and that can stably manufacture isocyanate for the long period of time in good yield.The manufacturi...  
JP5203132B2  
JP2013517312A
The present invention relates to the method of preparing isocyanate by separation according the reaction mixture containing the isocyanate which dissociates carbamate thermally and corresponds from dissociation of carbamate, and correspo...  
JP5199532B2  
JP2013087107A
To provide a method for producing an organic isocyanate with a high yield, without using phosgene.There is provided a production method for an organic isocyanate, comprising a step of reacting a quaternary ammonium cyanate with an alcoho...  
JP2012530743A5  
JP5187922B2  
JP2013512881A
It is the method of manufacturing aromatic series isocyanate by making the corresponding ホルム amide and oxygen containing gas reacting by 1*1000 ms of contact time at the temperature of 300*600 ℃ using a precious metal catalyst, a...  
JP2013512273A
It is a manufacturing method of the isocyanate by obtaining the carbamate cleavage gas which makes carbamate cleave thermally and contains isocyanate and alcohol, A manufacturing method including the quench processing process of the carb...  

Matches 551 - 600 out of 1,878