Preparing Cationic Asphalt Emulsifying Agent──New Lignin Quaternary Ammonium Salt
Ma Xichen et al
cationic asphat emalsifying agent was prepared using epoxypsopyl trimethyl ammoniam chloride and the lignin in the pulp waster water, epoxypsopyl tyimethyl ammonium chlorideas intermediataswaspsefabsicate dusing triethylanine, tevtianity aliphatic amine and epoxypsopyl. In this paper, synthis process was detailed, the products are good cationic asphalt etnalsifying agent.
【CateGory Index】： TQ423