Process for the anionic polymerization of monomers

Details Process for the anionic polymerization of monomers Process for the anionic polymerization of monomers

C - Chemistry, Metallurgy

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402/396

C08F 4/08 (2006.01) C08F 297/02 (2006.01) C08F 297/04 (2006.01)

Patent

CA 1281488

A B S T R A C T PROCESS FOR THE ANIONIC PDLYMERIZATION OF MONOMERS In a process for anionic polymerization of a monomer by (a) reacting batchwise at a temperature ? 50 °C a monomer and anionic initiator, and (b) then reacting continuously or semi-continuously the product of step (a) with additional monomer, polymers having a narrow molecular weight distraction are obtained by commencing step (b) by continuously or semi-continuously adding monomer to the product of step (a), whilst remaining a molar ratio unreacted monomer in step (a) to initiator charge to step (a) of at least 1:1.

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