Process for the continuous preparation of isocyanates

Isocyanates are produced by reacting an organic amine with phosgene in process which includes at least three stages. The first stage is carried out in a dynamic mixer. The second stage is carried out in at least one reactor. The third stage is carried out in at least one material separating apparatu...

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Main Authors HILLMAN RICHARD G, SAGER JAMES E, OCHEL RALF, MCCULLOUGH GREGORY L, POHL FRITZ, SOLAK GARY B, WANG XIAOYAN, DELUCIA SARA, EHLERS MATTHIAS, BOURGEOIS KIRK J, HICKS AMBER R, SERRA RICARDO, BOLTON JEFFREY S, MILLER SPOTSWOOD
Format Patent
LanguageEnglish
Published 27.12.2007
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Abstract Isocyanates are produced by reacting an organic amine with phosgene in process which includes at least three stages. The first stage is carried out in a dynamic mixer. The second stage is carried out in at least one reactor. The third stage is carried out in at least one material separating apparatus. The pressure in the reactor of the second stage must be greater than or equal to the pressure in the dynamic mixer. The pressure in the third stage material separating apparatus must be lower than the pressure in the second stage reactor.
AbstractList Isocyanates are produced by reacting an organic amine with phosgene in process which includes at least three stages. The first stage is carried out in a dynamic mixer. The second stage is carried out in at least one reactor. The third stage is carried out in at least one material separating apparatus. The pressure in the reactor of the second stage must be greater than or equal to the pressure in the dynamic mixer. The pressure in the third stage material separating apparatus must be lower than the pressure in the second stage reactor.
Author OCHEL RALF
BOURGEOIS KIRK J
HILLMAN RICHARD G
BOLTON JEFFREY S
DELUCIA SARA
WANG XIAOYAN
HICKS AMBER R
MILLER SPOTSWOOD
MCCULLOUGH GREGORY L
SOLAK GARY B
EHLERS MATTHIAS
SAGER JAMES E
POHL FRITZ
SERRA RICARDO
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– fullname: SOLAK GARY B
– fullname: WANG XIAOYAN
– fullname: DELUCIA SARA
– fullname: EHLERS MATTHIAS
– fullname: BOURGEOIS KIRK J
– fullname: HICKS AMBER R
– fullname: SERRA RICARDO
– fullname: BOLTON JEFFREY S
– fullname: MILLER SPOTSWOOD
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Snippet Isocyanates are produced by reacting an organic amine with phosgene in process which includes at least three stages. The first stage is carried out in a...
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CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Title Process for the continuous preparation of isocyanates
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