HBSS型琥珀酸(混合)双酯磺酸钠盐加脂剂的合成

以十六醇、正丁醇、马来酸酐为主要原料,合成了十六烷基正丁基琥珀酸(混合)双酯磺酸钠盐皮革加脂剂,对合成反应条件进行了优化。优化的十六醇与马来酸酐的单酯化反应条件为:n(十六醇):n(马来酸酐)=1:1.05,反应温度90℃,反应时间2.5h;十六烷基马来酸单酯与正丁醇双酯化反应条件为:n(十六烷基马来酸单酯):n(正丁醇)=1:1.5,反应温度130℃,反应时间90min,w(对甲苯磺酸)=0.5(基于总反应物的质量);十六烷基正丁基马来酸(混合)双酯与亚硫酸氢钠的磺化反应条件为:n〔十六烷基正丁基马来酸(混合)双酯〕:n(NaHSO3)=1:1.1,反应温度100℃,反应时间4h。该加脂剂具有较好的乳化能力,可以乳化自身质量33的鱼油。用IR表征了目标产物结构。

Synthesis of Sodium Hexadecyl n-Butyl Sulfosuccinate Fatliquor

Sodium hexadecyl n-butyl sulfosuccinate was synthesized from hexadecanol,n-butanol and maleic anhydride.The optimum reaction conditions between hexadecanol and maleic anhydride are:mole ratio of maleic anhydride to hexadecanol 1.05,reaction temperature 90 ℃ and reaction time 3 h.The optimum reaction conditions between hexadecyl maleic monoester and n-butanol are:mole ratio of n-butanol to hexadecyl maleic monoester 1.5,catalyst w(p-toluenesulfonic acid)=0.5%(based on total mass of reaction materials),reaction temperature 130 ℃ and reaction time 90 min.The optimum reaction conditions between hexadecyl n-butyl maleic bisester and NaHSO3 are:mole ratio of hexadecyl n-butyl maleic bisester to NaHSO3 1.1,reaction temperature 100 ℃ and reaction time 4 h.The products has good emulsification ability and can emulsify 33% fish oil based on its weight.The products were characterized by IR.