The research progress in synthesis of sodium dimethyl isophthalate-5-sulfonate (SIPM), a dye modifier for PET fibers, was reviewed in recent 20 years.
综述了近20年来涤纶染色改性剂间苯二甲酸二甲酯- 5 -磺酸钠(SIPM)合成研究进展。
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A new process using solvent for separating sodium sulfate and dimethyl isophthalate sodium sulfonate from wastewater of dimethyl isophthalate sodium sulfonate production is introduced.