C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 17/25 (2006.01) B01D 1/22 (2006.01) B01D 3/14 (2006.01) C07C 17/38 (2006.01) C07C 21/06 (2006.01)
Patent
CA 2463621
The invention concerns a method for obtaining directly polymerisable vinyl chloride which consists in subjecting a cooled raw product derived from of pyrolysis of 1,2-dichloroethane, to a another cooling process at a temperature not more than 40 ·C, under pressure ranging between 10 to 15 bars then in leaving it at substantially identical temperature and pressure levels for a duration not more than 20 minutes. The invention also concerns a device for implementing the method.
L'invention concerne un procédé d'obtention de chlorure de vinyle directement apte à la polymérisation qui consiste à faire subir au produit brut issu de la pyrolyse du 1,2-dichloroéthane refroidi, un nouveau refroidissement à une température au plus égale à 40~C, sous une pression allant de 10 à 15 bars puis à l'abandonner à des température et pressions sensiblement identiques pendant une durée au plus égale à 20 minutes. L'invention concerne également un dispositif pour la mise en oeuvre du procédé.
Rondot Beatrice
Vanney Francois
Atofina
Robic
LandOfFree
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