高交联大孔吸附树脂氯甲基化研究

Chloromethylation Research of Highly Crosslinking Macroporous Absorption Resin

摘要:

以无水ZnCl2为催化剂，以自制1,4—二氯甲氧基丁烷（BCMB）为氯甲基化试剂，对高交联度的非极性大孔吸附树脂D101进行氯甲基化反应研究。得到其氯甲基化的最佳工艺条件如下：m(D101) : m(BCMB) : m(CCl4)=1 : 4 : 18.6，溶胀时间12 h，反应温度50 ℃，反应时间14 h，以无水ZnCl2为催化剂，在上述工艺条件下制得氯质量百分含量为4% 的树脂，为以后树脂的改性、功能化和进一步研究大孔树脂吸附分离规律提供了实验基础。

Abstract:

The chloromethylation research of highly crosslinking degree non-polarity macroporous absorption resin D101 was performed by using self-made 1, 4-bis(chloromethoxyl)butane(BCMB), as the chloromethylation reagent and adopting anhydrous zinc chloride (ZnCl2) catalyst. The optimal conditions at 50 ℃ for 14 h in Lewis acid (ZnCl2) catalyst for chloromethylation of resin were found as follows：m(D101) : m(BCMB) : m(CCl4)=1 : 4 : 18.6, swelling time 12 h, the chlorine content of resin was 4％, providing experimental basis for resin modification, functionality and further studying adsorption separation research.