AROMATIC ALDEHYDE, CURING AGENT FOR EPOXY RESIN, AND COMPOSITION BASED ON EPOXY RESIN CONTAINING AROMATIC ALDEHYDE Russian patent published in 2017 - IPC C07C47/542 C08G59/50 C09D163/00 C07C45/49 

FIELD: chemistry.

SUBSTANCE: invention relates to a novel aromatic aldehyde represented by the formula

having a branched alkyl group containing from 10 to 14 carbon atoms and to the method for its production, to an epoxy resin curing composition comprising a polyamine compound and the claimed aromatic aldehyde, to the compositions based on epoxy resin for coating, of civil engineering and construction, containing the claimed curing composition, to the cured coating film and to the cured material. In formula (II), each of the groups R¹ and R² independently represents an alkyl group having 1 to 12 carbon atoms, and the total number of carbon atoms in the groups R¹ and R² is from 9 to 13.

EFFECT: improving the properties of aldehyde.

9 cl, 12 dwg, 2 tbl, 15 ex