A process for producing water-absorbing polymer particles having high free swell rate and high centrifuge retention capacity with simultaneously high permeability of the swollen gel bed by polymerization of an aqueous monomer solution in a polymerization reactor having at least two shafts (kneaders) which rotate in an axially parallel manner, subsequent extrusion at high temperatures and thermal surface postcrosslinking.
一种生产高自由膨胀率和高离心保留能力的吸
水聚合物颗粒的方法,通过在至少具有两个轴(揉捏器)以轴向平行方式旋转的聚合反应器中聚合
水性单体溶液,随后在高温下挤出和热表面后交联,以同时具有膨胀凝胶床的高渗透性。