Antitack agent

Claim 2

IN THE PROCESS OF FINISHING SOLID HIGH MOLECULAR WEIGHT COPOLYMERS PREPARED FROM MIXTURES OF ISO-OLEIFNS AND OTHER UNSATURATED HYDROCARBONS AT TEMPERATURES BELOW ABOUT -20* F. IN THE PRESENCE OF A FRIEDEL-CRAFTS TYPE CATALYST WHICH COMPRISES DISCHARGING THE COLD POLYMER AND ASSOCIATED LOW-BOILING MATERIALS SUCH AS UNREACTED OLEFINIC MATERIALS, SOLVENTS, DILUENTS AND THE LIKE INTO WATER IN ORDER TO FORM A SLURRY OF POLYMER IN WATER AND FLASH OFF THE BULK OF SAID ASSOCIATED LOW-BOILING MATERIALS, STRIPPING SAID LOW-BOILING MATERIALS FROM THE WATER SLURRY OF POLYMER, SEPARATING THE POLYMER PARTICLES FROM THE WATER SLURRY, PASSING THE SEPARATED POLYMER PARTICLES THROUGH A TUNNEL-TYPE DRYER ON A SCREEN CONVEYOR, PASSING HEATED AIR OVER AND THROUGH A BED OF POLYMER PARTICLES PASSING THROUGH THE DRYER TO REMOVE MOISTURE AND RESIDUAL VOLATILES FROM THE POLYMER, THE IMPROVEMENT CONSISTING IN COATING THE POLYMER-CONTACTING SURFACES OF THE SCREEN CONVEYOR WITH AN EMULSION-CONSISTING ESSENTIALLY OF ABOUT 40 TO 50% OF A FATTY OIL SELECTED FROM THE GROUP CONSISTING OF NON-DRYING AND SEMI-DRYING FATTY OILS WHICH ARE SUBSTANTIALLY NON-VOLATILE AT 200-350* F., AND EMULSIFYING AMOUNT OF A SODIUM SULFONATE EMULSIFYING AGENT, AND THE BALANCE CONSISTING OF AN AQUEOUS LIQUID MEDIUM COMPRISING AT LEAST A MAJOR PROPORTION OF WATER, THE AMOUNT OF SAID EMULSION LUSED DURING CONTINUOUS OPERATION BEING ABOUT 0.1 TO 0.5 LB. OF THE EMULSION PER 100 LBS. OF POLYMER HANDLED THROUGH THE DRYER.