METHOD FOR CLASSIFYING WATER-ABSORBENT POLYMER PARTICLES

摘要

PROBLEM TO BE SOLVED: To provide an improved classifying method for the production of water-absorbing polymer particles.SOLUTION: A method for classifying water-absorbent polymer particles includes separating polymer particles into n particle size fractions, where n is an integer greater than 1, wherein at least n screens are used and mesh sizes of the n screens decrease in product flow direction.