本文报导了双酚溶液脱盐路线研制聚芳砜004小试实验结果,讨论了工业环丁砜溶剂的提纯精制,回收溶剂的处理及循环使用;带水剂的选择和加量;成盐反应中的加碱量;K_2CO_3的调节作用;聚合反应的分子量控制以及改善聚芳砜004产品的热稳定性等问题,订定了聚芳砜004粘度公式[η]=kM_n~a中的k,α值(k=6.04×10~(-5),α=0.86,1％DMF,在25℃)。 This paper reports the experimental results of polyarylsulfone 004 in the desalination of bisphenol solution, and discusses the purification and recycle of industrial sulfolane solvent, the treatment and recycle of recycled solvent, the selection and dosage of water-carrying agent, Alkalinity; K_2CO_3 regulation; molecular weight control of polycondensation; and improvement of the thermal stability of polyarylsulfone 004 product. The formula of [k] = α k = 6.04 × 10 -5, α = 0.86, 1% DMF at 25 ° C).