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Preparation Of Polyethylene Films: No. 7,078,081; D. Ryan Breese, assignor to Equistar Chemicals, LP, Houston, TX. Filed on 4/28/05. Issued 7/18/06.

Preparation Of Polyethylene Films: No. 7,078,081; D. Ryan Breese, assignor to Equistar Chemicals, LP, Houston, TX. Filed on 4/28/05. Issued 7/18/06.

Patented is a method that includes converting a polyethylene resin into a film by a high-stalk blown extrusion process. The polyethylene resin has a density within the range of 0.935 to 0.948 g/cc and an MI2 within the range of 0.08 to 0.15 dg/min. The second step is to orient the film uniaxially in the machine direction. The oriented film has a haze of 20% or less.

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Publication:Nonwovens Industry
Article Type:Brief article
Date:Aug 1, 2006
Words:100
Previous Article:Measurement control.
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