METHOD OF PRODUCING POLYESTER KETONES Russian patent published in 2018 - IPC C08G64/16 C08K3/34 C08K9/04 

FIELD: chemistry.

SUBSTANCE: present invention relates to method for producing polyether ketones by high-temperature polycondensation. Method for producing polyether ketones as super-design materials by high-temperature polycondensation is described based on 0.3 mol 4,4'-difluorobenzophenone and 0.3 mol of hydroquinone in dimethyl sulfoxide DMSO, in the amount of 450 ml, characterized in that after dissolving all these components, the temperature of the reaction mass is increased, and then a mixture of 0.1–0.3 mol K₂CO₃ is introduced, 0.06–0.2 mol Na₂CO₃ and organoclays, in the amount of 0.7–1.2 g.

EFFECT: technical result – obtaining polyetherketone with improved properties, with reduced temperature and temporary modes of synthesis.

1 cl, 4 ex, 1 tbl