Film extruded from a blend of ethylene copolymers

Details Film extruded from a blend of ethylene copolymers Film extruded from a blend of ethylene copolymers

C - Chemistry, Metallurgy

08

L

C08L 23/04 (2006.01) C08J 5/18 (2006.01) C08L 23/08 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2189709

A film comprising a blend of (i) a linear low density polyethylene and (ii) an in situ blend of copolymers of ethylene and one or more alpha-olefins having 3 to 8 carbon atoms wherein (a) the weight ratio of component (i) to component (ii) is in the range of about 0.01:1 to about 3:1; (b) the blend has been extruded, under extrusion conditions, at a die rate in the range of about 6 to about 20 pounds per hour per inch of die circumference and at a die gap in the range of about 0.020 to about 0.075 inch; and (c) the film exhibits essentially no melt fracture.

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