Esterquats and its use for the production of surfactants, especially for hair care and body.

PROPOSED NEW esterquat, obtained by reacting trialkanolamines WITH A MIXTURE OF FATTY ACID AND dicarboxylic acids, the resulting esters may optionally alkoxylated and then quaternized in a known manner. Cationic OBTAINED, which have a particularly high tolerance ECOTOXICOLOGICAL, GIVING A SOFT TOUCH A NATURAL FIBER SYNTHETIC AND AT THE SAME TIME DECREASE electrostatic charge between filaments.