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Process of oxidizing mixture of microcrystalline wax, monocarboxylated polyethylene and polyethylene, and product produced thereby

阅读:567发布:2022-08-01

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1. THE PROCESS OF OXIDIZING A THREE-COMPONENT MIXTURE CONSISTING OF (A) REFINED TANK BOTTOM-DERIVED MICROCRYSTALLINE WAX HAVING A CARBON ATOM RANGE OF APPROXIMATELY 35 TO 100; SAID WAX BEING CHARACTERIZED BY THE FOLLOWING CHARACTERISTICS; (AA) OXIDATION SUSCEPTIBLE IN CONVENTIONAL GASEOUS OXYGEN-CONTAINING OXIDATION PROCEDURE; (BB) IMMISCIBLE WITH POLYSTYRENE OF MOLECULAR WEIGHT RANGE 5,000 TO 10,000 AT APPROXIMATELY 160* C., AND (CC) HAS NOT BEEN RENDERED OXIDATION SUSCEPTIBLE BY SUBJECTING TO TREATMENT WITH A MEMBER OF THE CLASS CONSISTING OF A METALLIC HALIDE, HYDROCHLORIC ACID AND CHLORINATED HYDROCARBON; (B) A LOW MOLAL MONOCARBOXYLATED POLYETHYLENE HAVING A MOLECULAR WEIGHT OF APPROXIMATELY 2000; SAID POLYETHYLENE BEING PRODUCED BY POLYMERIZING ETHYLENE UNDER 425-475 ATMOSPHERES AT TEMPERATURES BETWEEN 140-200* C. IN THE PRESENCE OF ISOPROPANOL AND A PEROXIDE; FOLLOWED BY OXIDATION; (C) A NORMAL COMMERCIAL POLYETHYLENE DEFINED BY THE
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