PHOSPHATE PLASTICIZER FOR POLYVINYL CHLORIDE Russian patent published in 2023 - IPC C07F9/12 C09K21/12 

FIELD: chemistry.

SUBSTANCE: invention relates to the chemistry of additives that reduce the flammability of polymers, namely to a phosphate plasticizer, which is an unsymmetrical ester of phosphoric acid and ethoxylated alcohols with the general formula

,

where R¹ – C₆H₅OCH₂CH₂, R² – C₄H₉OCH₂CH₂, R³ – C₄H₉OCH₂CH₂ (1); R¹ – C₆H₅OCH₂CH₂, R² – C₆H₅OCH₂CH₂, R³ – C₄H₉OCH₂CH₂ (2). The invention can be used in a variety of industries, such as electrical equipment, electronics, construction, engineering equipment for buildings, automotive and public vehicles.

EFFECT: improved processability of the polymer composition, reduced flammability of polymer compositions and the toxic effect of combustion products.

1 cl, 2 tbl