Preparation of polyethylene films

Details Preparation of polyethylene films Preparation of polyethylene films

2006-03-14

2006-03-14

Lu, Caixia (Department: 1713)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S036920, C526S348000, C526S352000

Reexamination Certificate

active

07011892

ABSTRACT:
An essentially transparent, high density polyethylene film is disclosed. The film has a haze of 20% or less, a gloss of 40% or greater, and density within the range of 0.935 to 0.948 g/cc. The film is made by a high-stalk blown extrusion process and then uniaxially oriented in the machine direction.

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Eric Hatfield, Richard Tate, Kelly Williams, and William Todd: New MDO Medium Molecular Weight High Density Polyethylene Films; Journal of Plastic Film & Sheeting; Apr. 2002, pp-117-127; vol. 18; Sage Publications.

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