HALOGEN-CONTAINING COPOLYARYLENE ETHER KETONES Russian patent published in 2024 - IPC C08G65/40 C08G63/682 

FIELD: chemistry.

SUBSTANCE: invention relates to aromatic polyesters, in particular to unsaturated halogen-containing aromatic polyester ketones with improved operational characteristics, which can be used as structural and film materials in electronics, electrical engineering, aviation, space, automobile and other industries. Disclosed is copolyarylene ether ketone

where n=1-99, m=99-1, z=1-50. Said polymer is obtained by reacting mixture of 4,4'-dihydroxy-2,2-diphenylpropane and 1,1-dichloro-2,2-di(4-oxyphenyl)ethylene with 4,4'-difluorodiphenyl ketone.

EFFECT: proposed invention extends the range of fire-resistant aromatic polyesters having high heat and thermal resistance, as well as high mechanical properties and good processability.

1 cl, 10 ex