Process for preparing solid polytrifluorochloroethylene

Claim 1

A PROCESS FOR THE PRODUCTION OF SOLID POLYTRIFLUOROCHLOROETHYLENE WHICH COMPRISES INTRODUCING TRICHLOROTRIFLUOROETHANE AND METHYL ALCOHOL INTO A DEHALOGENATION ZONE, DECHLORINATING TRICHLOROTRIFLUORETHANE IN SAID DEHALOGENATION ZONE IN THE PRESENCE OF EXCESS ZINC DUST UNDER CONDITIONS SUCH THAT TRIFLUOROCHLOROETHYLENE IS PRODUCED AS THE PRIMARY PRODUCT OF TH E DEHALOGENATION REACTION, REMOVING FROM SAID DEHALOGENATION ZONE AN EFFLUENT COMPRISING TRIFLUROOCHLOROETHYLENE, TRICHLOROTRIFLUOROETHANE AND METHYL ALCOHOL, PASSING SAID EFFLUENT FROM SAID DEHALOGENATION ZONE TO FIRST FRACTIONAL DISTILLATION ZONE, RECOVERING FROM SAID FIRST DISTILLATION ZONE A RELATIVELY HIGH-BOILING FRACTION COMPRISING METHYL ALCOHOL AND A RELATIVELY LOW-BOILING FRACTION COMPRISING TRIFLUOROCHLOROETHYLENE AND TRICHLOROTRIFLUOROEHTANE, RETURNING SAID RELATIVELY HIGH-BOILING FRACTION COMPRISING METHYL ALCOHOL TO SAID DEHALOGENATION ZONE, PASSING SAID RELATIVELY LOWBOILING FRACTION COMPRISING TRIFLUOROCHLOROETHYLENE AND TRICHLOROTRIFLUROETHANE TO A SECOND FRACTIOANL DISTILLATION ZONE, RECOVERY FROM SAID SECOND FRACTIONAL DISTILLATION ZONE A RELATIVELY LOW-BOILING FRACTIONAL COMPRISING TRIFLUOROCHLOROETHYLENE, PASSING TRIFLUOROCHLOROETHYLENE SEPARATED IN SAID SECOND DISTILLATION ZONE TO A POLYMERIZATION REACATION ZONE, INTRODUCING A SOLUTION OF TRICHLOROFLUOROMETHANE AND TRICHLOROACETYL PEROXIDE INTO SAID POLYMERIZATION ZONE, POLYMERIZING TRIFLUOROMETHYLENE IN SAID POLYMERIZATION ZONE UNDER CONDITIONS SUCH THAT SOLID POLYTRIFLUOROCHLOROETHYLENE IS PRODUCED AS THE PRINCIPAL REACTION PRODUCT,EVAPORATING FROM SAID SOLID POLYTRI TRIFLUOROCHLOR THANE AN POLYTRIFLUOROCHLOROETHYLENE AS A PRODUCT OF THE PROCESS, CONDENSING SAID TRIFLUOROCHLOROETHYLENE AND TRICHLOROFLUOROMETHANE EVAPORATED FROM SAID POLYMERIZATION PRODUCT INTRODUCING SAME INTO SECOND FRACTIONAL DISTILLATION ZONE, AND SIMULANEOUSLY ADMIXING SAME THEREIN WITH SAID LOW BOILING FRACTION COMPRISING TRICHLOROTRIFLUORODISTILLATION ZONE, RECOVERING FROM SAID SECOND FRACTIONAL DISTILLATION ZONE AT A RELATIVELY HIGHBOILING FRACTION COMPRISING TRICHLOROGRIFLUOROETHANE AND TRICHLOROFLUOROMETHANE, PASSING SAID RELATIVELY HIGH-BOILING FRACTION FROM SAID SECOND FRACTIONAL DISTILLATION ZONE A RELATIVELY HIGH-BOILING DISTILLATION ZONE, RECOVERING FROM SAID THIRD FRACTIONAL TIONAL DISTILLATION ZONE A RELATIVELY HIGH-BOILING FRACTION COMPRISING TRICHLOROTRIFLUOROETHANE AND A RELATIVELY LOW-BOILING FRACTION COMPRISING TRICHLOROFLUOROEMETHANE, PASSING SAID RELATIVELY HIGH-BOILING FRACTION COMPRISING TRICHLOROTRIFLUOROTHANE FROM SAID THIRD DISTILLATION ZONE TO SAID DEHALOGENATION ZONE, AND RETURNING TRICHLOROFLUOROMETHANE SEPARATED IN SAID THIRD FRACTIONAL DISTILLATION ZONE TO SAID POLYMERIZATION REACTION ZONE.