New Gemini surfactants, manufacturing process and use as multifunctional corrosion inhibitors

摘要

Gemini Surfactants Bis-N-alkyl polyether, bis-N-alkenyl polyether bis-beta-imino acids or their salts: wherein: R 1 is a radical representing -H or -CH 3; R 2 is an alkyl or alkenyl or a cycloalkyl or aryl group; R3 is a radical representing -H, -CH3, -CH = CH-CH3 or -COOX; R4 is a radical representing -H, -CH 3 or -CH 2 -COOX; R5 is a radical which is -H; an alkyl or alkenyl or a cycloalkyl or aryl group or a metal; R6 is a group which is an alkyl or alkenyl group; n and m have values of 1 to 250, depending on the molecular weight of the polyether used i has the value 1. when i = 1: R3 is a radical representing -H, -CH3, -CH = CH-CH3 or -COOX.