Process for recovering a polymer in solution

Details Process for recovering a polymer in solution Process for recovering a polymer in solution

C - Chemistry, Metallurgy

08

J

C08J 3/14 (2006.01) C08J 3/12 (2006.01) C08J 11/08 (2006.01)

Patent

CA 2469643

Process for recovering a polymer in solution in a solvent, the whole forming a homogeneous medium, according towhich:(a) a non-solvent is added to the homogeneous medium so as to make it heterogeneous,(b) the heterogeneous medium is converted into droplets by atomization,(c) the droplets are placed in contact with a gas that vaporizes the solvent,(d) the polymer is recovered in the form of particles.

L'invention concerne un procédé de récupération d'un polymère en solution dans un solvant, l'ensemble formant un milieu homogène, consistant: (a) à ajouter un non solvant au milieu homogène de façon à le rendre hétérogène, (b) à transformer par atomisation le milieu hétérogène en gouttelettes, (c) à mettre en contact ces gouttelettes avec un gaz qui fait s'évaporer le solvant, (d) et à récupérer le polymère sous forme de particules.

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