Production of haloalkylated resin particles

Claim 1

THE PROCESS FOR PRODUCING HALOMETHYLATED RESIN PARTICLES ADAPTED FOR THE PRODUCTION OF ANION EXCHANGE RESIN PARTICLES THEREFROM WHICH COMPRISES, IN PROPORTION BY WEIGHT, PROVIDING PARTICLES OF A NORMALLY SOLID WATER AND BENZENE-INSOLUBLE CROSS-LINKED AROMATIC HYDROCARBON COPLOYMER OF MONOMERS SELECTED FROM THE GROUP CONSISTING 99.5% OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE AND STYRENE CONTAINING FROM 1 TO 3 LOWER ALKYL RADICLAS ATTACHED TO THE AROMATIC NUCLEUS, AND ABOUT 0.5% TO 2% OF A MONOMER SELCTED FROM THE GROUP CONSISTING OF DIVINYLBENZENE AND DIVINYLBENZENE CONTAINING FROM 1 TO 2 LOWER ALKYL RADICALS ATTACHED TO THE AROMATIC NUCLEUS, IMPREGNATED SAID HYDROCARBON COPOLYMER PARTICLES WITH ABOUT 1/2 TO 11/2 PARTS PER PART OF SAID PARTICLES, OF A MIXTURE OF MONOMERS SELCTED FROM ABOUT 98% TO 99.5% OF A MONOMERS CONSISTING OF GROUP CONSISTING OF STYRENE AND STYRENE CONTAINING FROM 1 TO 3 LOWER ALKYL RADICALS ATTACHED TO THE AROMATIC NUCLEUS, AND ABOUT 0.5% TO 2% OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF DIVINYLBENZENE AND DIVINYLBENZENE CONTAINING FROM 1 TO 2 LOWER ALKYL RADICALS ATTACHED TO THE AROMATIC NUCLEUS, SAID MIXTURE OF MONOMERS HAVING DISSOLVED THEREIN A POLYMERIZATION CATALYST, POLYMERIZATION SID MONOMERIC MIXTURE IN SAID HYDROCARBON COPOLYMER PARTICLES WHILE SUSPENDING THE PARRICLES IN AN AQUEOUS MDEUIM, TO A NORMALLY SOLID WATER AND BENZENE-INSOULBLE CROSS-LINKED AROMATIC HYDROCARBON COPOLYMER OF SAID LAST-NAMED MONOMERS, AND THEREAFTER HALOMETHYLATING THE RESULTING MIXED RESIN PRODUCT BY REACTING IT WITH AT LEAST A STOICHIOMETRIC QUANTITY FOR MONOSUBSTITUTION OF THE AROMATIC NULEI, OF HALOMETHYL METHYL ETHER AND ABOUT 0.5 TO 1.5 MOLS OF ALUMINUM CHLORIDE PER MOL OF MONOMER CONTENT OF SAID PRODUCT.