In order to purify product from other substance, the solid mixtures are usually comminuted and soaked out by diphenyl sulfone, and then recover the solvent by distillation and drying.
为了将产物与其它物料分离，通常将混合固体粉碎，首先用溶剂将二苯砜浸出，然后再经蒸馏、干燥，回收二苯砜。
The invention discloses a dicarboxyl diphenyl sulfone containing sulfonate group belonging to the technical field of chemical industry and a preparation method thereof.
本发明公开了一种化工技术领域的含磺酸盐基的二羧基二苯砜及其制备方法。
The invention discloses a dicarboxyl diphenyl sulfone containing sulfonate group belonging to the technical field of chemical industry and a preparation method thereof.
本发明公开了一种化工技术领域的含磺酸盐基的二羧基二苯砜及其制备方法。
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