CARBON BLACK SUBJECTED FOR INTERACTION WITH DIAZONIUM SALTS AND PRODUCTS Russian patent published in 2003 - IPC

FIELD: organic chemistry, chemical industry, chemical technology. SUBSTANCE: method involves interaction of carbon black with diazonium salt in proton medium, for example, in water or alcohol. Diazonium salt is formed in the interaction process with carbon black from primary amine of the general formula A_yArNH₂ where Ar is aromatic or heteroaromatic radical; A is a substituent at this radical, for example, functional group, linear, branched or cyclic hydrocarbon radical; y ≥ 1; at y > 1 A can be similar or different and taken among group including: OR, COR, COOR, OCOR, carboxylate salt, CN, NR₂, SO₃H, sulfonate salt, OSO₃H, OSO-3

, NR(COR), CONH₂,NO₂, OPO₃H₂, mono- or dibasic phosphate salt, PO₃H₂, mono- or dibasic phosphonate salt, N=NR, salts, SNQ, SO₂NQ, CO₂NQ,, S-(1,4-piperazindiyl)-SR, 2- (1,3-dithianyl), 2-(1,3- -dithiolanyl), SOR and SO₂R; R and R' mean hydrogen atom, branched or linear alkyl, alkenyl or alkynyl, aryl, heteroaryl, alkylaryl or arylalkyl; Q means (CH₂)_w, (CH₂)_xO(CH₂)_z, (CH₂)_xNR(CH₂)_z or (CH₂)_xS(CH₂)_z, wherein x, w and z have values from 1 to 6. Invention can be used in preparing filling agents for plastics, paper, rubber mixtures, fibers and textile compositions. EFFECT: improved preparing method. 10 cl, 23 tbl