Heterogeneous ion exchange resin sheets - contg. PVC and plasticisers and opt. inorganic salts

摘要

Sheets comprise (a) 30-100 pt ion exchange resin; (b) 30-40 pt. pvc and (c) 1-15 pt plasticise or plasticiser mixt. Pref. the ion exchange resin has a particle size of 80 mu m and is suitably of the "Wofatit HC-90" type (RTH). The pvc is pref powdered and is obtd by emulsion polymerisation. Ion-exchange resin has optional swellability, improved use of the ion-exchange capacity and good mechanical stability.