Process and apparatus for manufacturing polymers

Details Process and apparatus for manufacturing polymers Process and apparatus for manufacturing polymers

C - Chemistry, Metallurgy

08

G

402/220, 402/237

C08G 69/26 (2006.01) C08G 73/10 (2006.01)

Patent

CA 1338120

A process for manufacturing a polymer includes the first step of reacting a solution of one of two starting materials in an organic solvent with the other material in the form of a powder, and the second step of reacting a solution of the reaction product of the first step in an organic solvent with a solution of the other material in an organic solvent. The process preferably includes one or both of two additional steps, i.e. filtering the reaction product of the first step, and degassing the reaction product of the second step by stirring it at a reduced pressure. An apparatus for carrying out the process is also disclosed. This invention makes it possible to produce a polymer of high and uniform quality having a final viscosity controlled within a certain range and not containing foreign matter or bubbles.

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