POLYMERISATION TECHNIQUES Russian patent published in 2009 - IPC C08F210/10 C08F210/14 C08F236/04 C08F2/06 C08F4/14 C08F4/16 

FIELD: chemistry.

SUBSTANCE: present invention pertains to polymerisation methods using hydroflurocarbons for obtaining (co)polymers. The method involves contacting (i) C₄-C₇ isomonoolefine and p-alkylstyrol, or (ii) C₄-C₆ isoolefine and multiolefine, one or more Lewis acids with a solvent, containing one or more hydroflurocarbons in a reactor, where one more Lewis acids is not a compound, with formula MX₃, where M is a group 13 metal, and X is a halogen. One or more hydrofluorocarbons can be represented by general formula C_xH_yF_z, where x is an integer from 1 to 40, and y and z are integers, one or more; x preferably lies between 1 and 10, x preferably lies between 1 and 6, and more specifically, x lies between 1 and 3.

EFFECT: reduction of agglomeration of particles and clogging up of the reactor with retention of efficiency and capacity to produce (co)polymers with high molecular weight.

23 cl, 3 dwg, 27 tbl, 148 ex