ELECTRICALLY SUPERIOR POLYESTER FILM CONTAINING POLYSTYRENE OR POLYIONOMER ADDITIVE POLYMER
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Abstract
PHYSICALLY BLENDING MINOR AMOUNTS OF POLYSTYRENE OR POLYIONOMERS INTO POLYESTER RESIN WHICH IS TO BE EXTRUDED INTO A FILM AND THEREAFTER ORIENTED, IMPARTS UNEXPECTEDLY SUPERIOR ELECTRICAL PROPERTIES TO THE ULTIMATE FILM. THE FILM ALSO DISPLAYS IMPROVED "SLIP" PROPERTIES.
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