Method for the preparation of polyalkyl (meth)acrylate polymers having a weight-average molecular weight in the range of 100,000 to 1,000,000 g/mol and comprising: (a) 8 to 25% by weight of esters of (meth)acrylic acid and hydroxylated hydrogenated polybutadienes; 60% to 80% of C 1-4 alkyl (meth)acrylates; 10% to 20% by weight of C 10-30 alkyl (meth)acrylates, preferably C 10-15 alkyl methacrylates, more preferably C 12-14 alkyl methacrylates; and 0% to 10% by weight of styrene; based on the total amount of the polyalkyl (meth)acrylate polymers, the method comprising the steps of: (i) preparing a monomer mixture 1 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 1 being 30 to 40%; (ii) adding a monomer mixture 2 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 2 being 30 to 40%; and (iii) adding a monomer mixture 3 comprising 110 to 120% of the targeted content of only monomers (b), the concentration of the monomers in mixture 3. being 2 to 6%, characterized in that monomer mixture 1 comprises 38 to 45% of the total amount of monomers used in the process, monomer mixture 2 comprises 38 to 45% of the total amount of monomers used in the process and monomer mixture 3 comprises 15 to 20% of the total amount of monomers used in the process. (a) 8 to 25% by weight of esters of (meth)acrylic acid and hydroxylated hydrogenated polybutadienes; 60% to 80% of C 1-4 alkyl (meth)acrylates; 10% to 20% by weight of C 10-30 alkyl (meth)acrylates, preferably C 10-15 alkyl methacrylates, more preferably C 12-14 alkyl methacrylates; and 0% to 10% by weight of styrene; based on the total amount of the polyalkyl (meth)acrylate polymers, the method comprising the steps of: (i) preparing a monomer mixture 1 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 1 being 30 to 40%; (ii) adding a monomer mixture 2 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 2 being 30 to 40%; and (iii) adding a monomer mixture 3 comprising 110 to 120% of the targeted content of only monomers (b), the concentration of the monomers in mixture 3. being 2 to 6%, (i) preparing a monomer mixture 1 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 1 being 30 to 40%; (ii) adding a monomer mixture 2 comprising 115 to 125% of the targeted content of monomers (a) and 95% to 100% of the targeted content of monomers (b), the concentration of the monomers in mixture 2 being 30 to 40%; and (iii) adding a monomer mixture 3 comprising 110 to 120% of the targeted content of only monomers (b), the concentration of the monomers in mixture 3. being 2 to 6%, characterized in that monomer mixture 1 comprises 38 to 45% of the total amount of monomers used in the process, monomer mixture 2 comprises 38 to 45% of the total amount of monomers used in the process and monomer mixture 3 comprises 15 to 20% of the total amount of monomers used in the process.