Process for separating organic monomers or auxiliaries

Details Process for separating organic monomers or auxiliaries Process for separating organic monomers or auxiliaries

C - Chemistry, Metallurgy

07

C

C07C 265/14 (2006.01) B01D 11/02 (2006.01) C07B 63/00 (2006.01) C07C 29/74 (2006.01) C07C 31/20 (2006.01) C07C 45/78 (2006.01) C07C 67/48 (2006.01) C07C 69/54 (2006.01) C07C 263/20 (2006.01) C07D 201/16 (2006.01) C07D 319/12 (2006.01) C08F 6/00 (2006.01) C08G 18/10 (2006.01) C08J 11/02 (2006.01)

Patent

CA 2252885

The invention consists of a process for separating organic monomers or auxiliaries, which are used in synthesising organic polymers or take part in the polymerisation reaction, from the prepolymer resulting from the synthesis, in which the monomers or auxiliaries are extracted from the prepolymer by means of compressed and dried carbon dioxide as the solvent.

L'invention concerne un procédé permettant de séparer des monomères organiques ou des auxiliaires s'utilisant lors de la synthèse de polymères organiques ou participant à la réaction de polymérisation, contenus dans le prépolymère résultant de la synthèse, les monomères ou les auxiliaires étant extraits du prépolymère à l'aide de dioxyde de carbone compacté ou séché utilisé comme solvant.

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