Ethylene polymer and resin composition for producing cast film, and process for producing cast film
AssigneeSumitomo Chemical Company, Limited
InventorsKazunori Kanamori, Kenzo Chikanari, Tatsuhiro Nagamatsu
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AssigneeSumitomo Chemical Company, Limited
InventorsKazunori Kanamori, Kenzo Chikanari, Tatsuhiro Nagamatsu
Estimating the term…
Ethylene polymer for cast film processing at about 210 to 350° C. having a slip velocity at metal wall of not less than about 30 mm/sec, wherein polymer is obtained by polymerization using a metallocene catalyst; a resin composition for cast film processing at about 210 to 350° C., which composition comprises: (i) from about 40 to about 90% by weight of ethylene polymer obtained by polymerization using a metallocene catalyst for olefin polymerization; and (ii) from about 60 to about 10% by weight of polyolefine based resin; and which composition has a slip velocity at a metal wall of not less than about 30 mm/sec; and processes for producing cast film from the ethylene polymer or from the resin composition.
An ethylene polymer for cast film processing at a temperature of from about 210 to about 350° C., which polymer has a slip velocity at a metal wall of not less than about 30 mm/sec, wherein the ethylene polymer is obtained by polymerization using a metallocene catalyst for olefin polymerization, and the slip velocity is measured at a temperature of 240° C. and a shear rate of 500 sec−1.
A resin composition for cast film processing at a temperature of from about 210 to about 350°C., which composition comprises:
A process for producing a cast film, which comprises the step of cast film processing, at a temperature of from about 210 to about 350° C., an ethylene polymer having a slip velocity at a metal wall of not less than about 30 mm/sec, wherein the ethylene polymer is obtained by polymerization using a metallocene catalyst for olefin polymerization, and the slip velocity is measured at a temperature of 240° C. and a shear rate of 500 sec−1.
A process for producing a cast film, which comprises the step of cast film processing, at a temperature of from about 210 to about 350%C, a resin composition having a slip velocity at a metal wall of not less than about 30 mm/sec, wherein the resin composition comprises:
Dependencies are inferred from the claim text.