SYSTEM OF SURFACE-ACTIVE SUBSTANCES, METHOD FOR ITS PREPARING AND SYSTEM-CONTAINING PESTICIDE COMPOSITION Russian patent published in 2005 - IPC

FIELD: organic chemistry, agriculture, herbicides, fungicides, insecticides.

SUBSTANCE: invention relates to a system of surface-active substances that comprises the following components: a) at least one alkoxylated polyarylphenolphosphate ester of the formula (I):

wherein each R₁ means independently of one another (C₂-C₄)-alkylene with a direct or branched chain; R₂ means phenyl, aryl or alkylaryl wherein phenyl ring in R₂ can be unsubstituted or substituted with 1-3 groups taken among (C₁-C₄)-alkyl or (C₁-C₄)-alkoxy-group; R₃ and R₄ are taken independently of one another among group including hydrogen atom, sodium, potassium and compound of the formula:

wherein m means 2 or 3; n means a number from 1 to 150 inclusively; b) at least one salt of alkoxylated lignosulfonate. System is prepared by combining components a) and b). The pesticide composition comprises pesticide and system comprising a) and b). Invention provides enhancing the stability of system.

EFFECT: improved preparing method, improved and valuable properties of system.

14 cl, 5 tbl, 2 ex