Effects of the sequence of Al addition, carbonization temperature, sulfonation temperature on the mesoporous solid acid catalysts were studied.
研究了(Al)MCM-41合成中扩孔剂的加入、加铝顺序、糠醇聚合物的碳化温度、磺化温度等对介孔固体酸催化剂的影响;考察了不同条件下制备的催化剂对乙酸和乙醇的酯化反应的催化性能。
参考来源 - 新型介孔固体酸催化剂的合成及其性能研究Sulfonation was an effective way to improve the hydrophilicity and thermal resistance of the membrane materials,as well as the permeability,separation selectivity and anti-fouling property of the resultant membranes.
磺化不仅可提高聚砜类膜材料的亲水性和耐热性能,而且可有效改善功能膜的渗透通量、选择分离特性与抗污染性能,从而促进该类膜材料在水净化、水脱盐、物质分离与纯化等领域中的应用。
参考来源 - 磺化聚砜类膜材料的制备及其在水处理中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The distilled water was added to the sulfonation liquid to obtain p-toluenesulfonic acid crystal.
将蒸馏水加入磺化液中,得到对甲苯磺酸结晶。
The sulfonation technology of the liquid sulfur trioxide was also reviewed.
对液体三氧化硫磺化技术的特点进行了概述。
No significant polymer degradation was observed in the post-sulfonation processes.
在磺化过程中并没有观察到明显的降解现象。
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