Anion exchange resins from phenolic ethers

Claim 1

A PROCESS FOR PRODUCING AN INFUSIBLE RESIN HAVING ANION EXCHANGING PROPERTIES AND IN WHICH THE SOLE FUNCTIONAL ANION EXCHANGE GROUPS ARE THOSE OF THE GROUP CONSISTING OF BASIS AMINO AND AMMONIUM GROUPS, WHICH COMPRISES INTERACTING (A) A HALO-SUBSTITUTED PHENOLIC ETHER, IN WHICH THE PHENOLIC HYDROXYL GROUPS ARE SUBSTANTIALLY COMPLETELY ETHERIFIED AND WHICH IS CAPABLE OF REACTING WITH FORMALDEHYDE TO YIELD HIGH MOLECULAR PRODUCTS, OF THE GROUP CONSISTING OF A RING-HALOMETHYLATED ARYL ETHER, A HALOALKY ARYL ETHER IN WHICH THE HALOALKYL GROUP IS ATTACHED TO THE ETHER OXYGEN AND A HALOHYDROXYPROPYL ARYL ETHER IN WHICH THE HALOHYDROXYPROPYL GROUP IS ATTACHED TO THE ETHER OXYGEN, (B) A BASIC NITROGEN COMPOUND OF THE GROUP CONSISTING OF AMMONIA AND AMINES, AND (C) FORMALDEHYDE, FOR REACTION WITH SAID ETHERIFIED PHENOLIC ETHER TO YIELD HIGH MOLECULAR PRODUCTS, SAID REACTION TO YIELD HIGH MOLECULAR PRODUCTS BEING CARRIED OUTT IN AN ACID MEDIUM UNTIL A GEL IS FORMED, AND DRYING THE GEL TO PRODUCE AN INFUSIBLE ANION EXCHANGE RESIN.