COMPOUND, PREPARATION AND USE THEREOF Russian patent published in 2001 - IPC

FIELD: chemical industry. SUBSTANCE: described is dispersant which is phosphoric acid ester of block copolymer of formula 1 RO(C₂H₄O)_m(PE_n)-H, where R is C_1-4 alky; polyether with repetitive group ; m is integer from 4 to 60; n is integer from 2 to 30, molecular weight of RO(C₂H₄O)_m is greater than molecular weight of PE_n. Also described is preparation and use of said dispersant which is capable of dispersing large amounts of solid phase macroparticles in medium. EFFECT: improved properties of dispersant, higher stability of dispersion and superior properties of resulting colorful film, especially higher final luster. 11 cl, 6 tbl, 8 ex