A method for producing a poly(arylene sulfide/sulfone) polymer is provided which comprises: contacting reactants comprising a dihalogenated aromatic sulfone, an alkali metal sulfide, a polar organic compound, at least one base, an alkali metal carboxylate, and, optionally water, under suitable conditions to initiate a polymerization reaction; thereafter adding an amount of water while maintaining polymerization conditions; then terminating the reaction; and recovering the polymer.
The invention method provides for a polymer product wherein the production of low molecular weight product is minimized and high molecular weight yield is maximized.
本发明提供了一种生产聚(芳
烯烃
硫醚/砜)
聚合物的方法,该方法包括:在适当的条件下,将反应物(包括二卤化芳香族砜、碱
金属
硫化物、极性有机化合物、至少一种碱、碱
金属
羧酸盐和可选的
水)接触,以引发聚合反应;然后在保持聚合条件的同时加入一定量的
水;然后终止反应;并回收
聚合物。
本发明方法提供了一种
聚合物产品,其中低分子量产品的产量最小,而高分子产品的产量最大。