Granulated ion exchangers consisting of polystyrene exchangers with vinylidene fluoride copolymer or polythene-polyvinyl alcohol mixture as binder

摘要

A composite material for the preparation of a granulated ion exchanger comprisingPPA. 75.0 TO 6.0 WT % OF IONITE, P PB. 5.0 TO 0.0 WT % OF PORE FORMER,PPC. 20. 0 TO 40.0 WT % OF THERMOPLASTICS USED AS A BINDING AGENT, WHEREINP P A. IS A IONITE OF ANY KIND,PP B. IS SELECTED FROM A GROUP OF NEUTRAL SALTS SOLUBLE IN WATER,PPC. IS SELECTED FROM A GROUP CONSISTING OF POLYTHENE, POLYPROPYLENE, FLUORINE COPOLYMERS AND A MIXTURE OF POLYTHENE WITH POLYVINYL ALCOHOL.