Cationic surfactants

摘要

The invention relates to cationic surfactants of the formula: in which R is an alkyl or alkenyl group containing 11 carbon atoms, R¹ and R² represent hydrogen or C_1-4 alkyl group, R³ is a C_1-4 alkyl group, R⁴ is hydrogen or a methyl group, A is a linear or branched C_2-6 alkylene group, n is a number of 1 to 25 and X is halogen or alkyl sulfate.