Examples of 'phosgenation' in a sentence
Meaning of "phosgenation"
Phosgenation is a chemical process that involves the reaction of phosgene with another compound to produce a desired product. This term is commonly used in the field of organic chemistry and industrial processes
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- Reaction with phosgene (or with triphosgene)
How to use "phosgenation" in a sentence
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phosgenation
This experiment relates to the phosgenation of cyclohexanecarboxaldehyde.
Phosgenation of phenol can proceed under various conditions.
This experiment describes the phosgenation of cyclohexanecarboxaldehyde.
Phosgenation can be performed with any source of phosgene.
A variant process comprises phosgenation at elevated temperatures in alkaline solution.
Phosgenation of the corresponding organic amine.
The mixture was agitated and then transferred to a phosgenation reactor.
Process for phosgenation in the presence of acetonitrile.
A typical preparation of isocyanates involves the phosgenation of primary amines.
The phosgenation and sodium hydroxide introduction were shutoff.
It is known to prepare carboxylic acid chlorides by phosgenation of the corresponding carboxylic acid.
Two groups of phosgenation catalysts are mainly described in the literature.
The preferred process for preparing polycarbonate resins comprises a phosgenation reaction.
The phosgenation process is sometimes carried out in several stages.
An important commercial method for preparing isocyanates involves the phosgenation of primary amines.
See also
The phosgenation is performed according to the state of the art.
The synthetic method commonly used to make siloxane copolycarbonates is an interfacial phosgenation process.
The phosgenation can be carried out in the liquid phase.
The preferred process for preparing resins of the invention comprises a phosgenation reaction.
The second group includes phosgenation catalysts fixed to insoluble substrates.
This is because such speeds are particularly suitable for minimizing the phosgenation reaction time.
The phosgenation is performed according to methods generally known in the art.
Isocyanates and isocyanate mixtures are prepared by known methods by phosgenation of the corresponding amines.
Two phosgenation techniques can be advantageously implemented in order to prepare such diisocyanates.
The temperature in the second phosgenation stage is generally higher than in the first.
This is because such angles are particularly suitable for minimizing the phosgenation reaction time.
The first phosgenation stage involves a static mixer and preferably a nozzle.
A person skilled in the art knows that phosgenation reaction can occur in a gas phase.
Further the phosgenation can take place at normal or slightly elevated pressure.
Recycled chlorine may be obtained from the HCl formed in the phosgenation process step.
The actual phosgenation lasts several hours and is generally carried out in a stirred medium.
The catalyzers can be added before the phosgenation or during or also after the phosgenation.
Catalysts such as dimethylformamide and acid acceptors such as pyridine can accelerate the phosgenation.
The temperature of the second phosgenation stage is normally higher than that of the first.
The preferred process for preparing polycarbonate and polyester carbonate copolymers comprises a phosgenation reaction.
Phosgenation is added to produce MDI.
The average values for the polymer obtained from the phosgenation were in the range expected.
The first phosgenation stage comprises a static mixer, preferably a nozzle.
The preferred process for preparing resins of the present invention comprises the phosgenation reaction.
Polyisocyanate composition obtainable by phosgenation of a compound as defined in claim 9.
Plant for the production of MDI from MDA via phosgenation.
Polyisocyanate compositicn obtainable by phosgenation of a compound as defined in claim 5.
Plant for the production of TDI from TDA via phosgenation.
After completion of the phosgenation reaction, the reaction mixture is distilled.
The preferred process for preparing PEC comprises a phosgenation reaction.
Phosgenation lasts 7 hours and the composition of the product obtained is as follows,.
The reaction ends after a 6 h phosgenation.
The phosgenation generally takes place in an inert solvent such as monochlorobenzene, dichlorobenzene, or diethylphthalate.
Those polymers derived from chloromethylated polystyrenes are described as phosgenation catalysts of,.
In the cold phosgenation reaction, pentamethylenedicarbamoyl chloride and amine hydrochloride of pentamethylenediamine are produced.
