From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.

• 用松香纯化得到的松香酸(枞酸)与马来酸酐反应得马来海松酸；再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.