Process for preparing particles of olefin-maleic anhydride...

Details Process for preparing particles of olefin-maleic anhydride... Process for preparing particles of olefin-maleic anhydride...

C - Chemistry, Metallurgy

08

F

400/6413, 400/64

C08F 210/00 (2006.01) C08F 2/08 (2006.01) C08F 210/10 (2006.01)

Patent

CA 1302613

Abstract A copolymer of an olefin and maleic anhydride is produced in the form of particles by co-polymerizing an olefin having 2 to 8 carbon atoms with maleic anhydride in a solvent capable of dissolving both co-monomers, but incapable of dissolving the copolymer in the presence of a dispersant of an oil-soluble, cationic copolymer comprising (a) ethylenically unsaturated monomer units having cationic groups of a quaternary ammonium salt and (b) lipophilic, ethylenically unsaturated monomer units. It has a relatively uniform particle size distribution.

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