Ethylene/alpha-olefin copolymers

Details Ethylene/alpha-olefin copolymers Ethylene/alpha-olefin copolymers

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) C08F 210/16 (2006.01) C08F 4/619 (2006.01)

Patent

CA 2095702

Abstract A novel ethylene/.alpha. -olefin copolymer superior in melt characteristics such as fluidity and exhibiting high impact resistance, mechanical strength, transparency and low-temperature heat sealability is provided. The novel copolymer is prepared by the copolymerization of ethylene and an .alpha. -olefin of 4 to 20 carbon atoms and satisfies the conditions of a melt index of 0.01 to 100, a density (d) of 0.880 to 0.940, an Mw/Mn ratio in the range of 2.0 to 15, an N value of 1.25 to 2.5, provided N value ? 1.32 log (Mw/Mn) + 0.86, a DSC melting point peak of 70° to 120°C and a branching degree, B, per 1,000 carbon atoms of -710d + 662 ? -725d + 686.

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