A process for producing a polymer formulation at least comprising • two different solvents and • a polymeric composition obtainable by free-radical polymerization of at least one monoethylenically unsaturated monomer in the presence of at least one ethylene-vinyl ester copolymer, ▪ the monomers comprising at least 70% by weight - based on the amount of all monomers - of at least one alkyl (meth)acrylate of the general formula H 2 C=CR 1 -COOR 2 where R 1 is H or a methyl group and R 2 is a linear alkyl radical having 12 to 60 carbon atoms, ▪ the ethylene-vinyl ester copolymers comprising 55 to 85% by weight of ethylene and 15 to 45% by weight of vinyl esters of the general formula H 2 C=CH-O- C-R 3 where R 3 is H or a C 1 - to C 4 hydrocarbyl radical, and ▪ the amount of the monomers being 70 to 90% by weight and that of the ethylene-vinyl ester copolymers 10 to 30% by weight based on the sum of the monomers and the ethylene-vinyl ester copolymers together, wherein the solvents comprise at least • a nonpolar solvent comprising saturated aliphatic hydrocarbyl groups and having a flashpoint ≥ 60°C, and • an aromatic hydrocarbon having a flashpoint ≥ 60°C, and the process comprises at least the following process steps: providing a solution at least comprising monomers and ethylene-vinyl ester copolymers each in the abovementioned amounts in at least one solvent, and free-radically polymerizing the monomers in the presence of the ethylene-vinyl ester copolymers by addition of at least one thermally decomposing initiator for the free-radical polymerization to the solution obtained in and polymerizing at a temperature of at least 50°C, the reaction medium being diluted with solvents before and/or during and/or after the polymerization, where the amount of the solvents and is such that the concentration of all polymers prepared together at the end of process step is 35 to 55% by weight based on the sum of all components of the solution. • two different solvents and • a polymeric composition obtainable by free-radical polymerization of at least one monoethylenically unsaturated monomer in the presence of at least one ethylene-vinyl ester copolymer, ▪ the monomers comprising at least 70% by weight - based on the amount of all monomers - of at least one alkyl (meth)acrylate of the general formula H 2 C=CR 1 -COOR 2 where R 1 is H or a methyl group and R 2 is a linear alkyl radical having 12 to 60 carbon atoms, ▪ the ethylene-vinyl ester copolymers comprising 55 to 85% by weight of ethylene and 15 to 45% by weight of vinyl esters of the general formula H 2 C=CH-O- C-R 3 where R 3 is H or a C 1 - to C 4 hydrocarbyl radical, and ▪ the amount of the monomers being 70 to 90% by weight and that of the ethylene-vinyl ester copolymers 10 to 30% by weight based on the sum of the monomers and the ethylene-vinyl ester copolymers together, wherein the solvents comprise at least ▪ the monomers comprising at least 70% by weight - based on the amount of all monomers - of at least one alkyl (meth)acrylate of the general formula H 2 C=CR 1 -COOR 2 where R 1 is H or a methyl group and R 2 is a linear alkyl radical having 12 to 60 carbon atoms, ▪ the ethylene-vinyl ester copolymers comprising 55 to 85% by weight of ethylene and 15 to 45% by weight of vinyl esters of the general formula H 2 C=CH-O- C-R 3 where R 3 is H or a C 1 - to C 4 hydrocarbyl radical, and ▪ the amount of the monomers being 70 to 90% by weight and that of the ethylene-vinyl ester copolymers 10 to 30% by weight based on the sum of the monomers and the ethylene-vinyl ester copolymers together, • a nonpolar solvent comprising saturated aliphatic hydrocarbyl groups and having a flashpoint ≥ 60°C, and • an aromatic hydrocarbon having a flashpoint ≥ 60°C, providing a solution at least comprising monomers and ethylene-vinyl ester copolymers each in the abovementioned amounts in at least one solvent, and free-radically polymerizing the monomers in the presence of the ethylene-vinyl ester copolymers by addition of at least one thermally decomposing initiator for the free-radical polymerization to the solution obtained in and polymerizing at a temperature of at least 50°C, the reaction medium being diluted with solvents before and/or during and/or after the polymerization,