Method for producing polymer, polymer production device, and system for optimizing radical polymerization reaction

2:

• The method for producing a polymer according to claim 1, wherein the maximum solid content concentration C1max and the maximum solid content concentration C2max satisfy C1max>C2max.

3:

• The method for producing a polymer according to claim 1, wherein a polymerization conversion in the first radical polymerization is 80% or less.

4:

• The method for producing a polymer according to claim 1, wherein the temperature T1 [° C.] and the temperature T2 [° C.]satisfy |T1−T2|<10.

5:

• The method for producing a polymer according to claim 4, wherein the temperature T1 [° C.] and the temperature T2 [° C.]satisfy T1≥T2.

6:

• The method for producing a polymer according to claim 1, wherein the monomer is two or more selected from the group consisting of one or more monomers which are (meth)acrylic acid or esters thereof, and one or more aromatic vinyl-based monomers.

7:

• The method for producing a polymer according to claim 6, wherein the monomer is one or more monomers which are (meth)acrylic acid or esters thereof, and one or more aromatic vinyl-based monomers.

8:

• The method for producing a polymer according to claim 1, wherein the radical polymerization is performed without a dormant species.

9:

• The method for producing a polymer according to claim 1, wherein the maximum solid content concentration C1max and the maximum solid content concentration C2max satisfy C1max=C2max.

12:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the condition determination unit configured to determine a process parameter by using a condition setting algorism to calculate the change in the actual progress state in the next unit reaction time, which is caused by the change in the process parameter.

13:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the controller further comprises a storage unit configured to store the measured value, the actual progress state and a difference between the actual progress state and the ideal progress state before and after the process parameter is changed.

14:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the measured value is acquired by in-line monitoring or sampling of the reaction liquid.

15:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the controller comprises an interface in which the process parameter can be manually controlled.

16:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the measured value comprises at least one of an optical spectrum and a viscosity of the reaction liquid.

17:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the process parameter comprises at least one of a temperature, an introduction amount of a monomer, an introduction amount of an azo polymerization initiator, an introduction amount of a solvent, and a stirring rate.

18:

• The system for optimizing a radical polymerization reaction according to claim 11, wherein the actual progress state comprises at least one of an amount of consumption of a monomer and a weight average molecular weight of a polymer.