Preparation of transparent high density polyethylene sheets
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United States of America Patent
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Oct 4, 2011
Grant Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transparent high density polyethylene (HDPE) sheet is disclosed. The sheet has a thickness greater than or equal to 0.05 mm and a bulk haze less than 2%. The HDPE resin is converted into a sheet by thermal processing and the sheet is then uniaxially oriented at a temperature above the melting point of the HDPE resin. The transparent HDPE sheet of the invention can be used for windows and plastic containers.
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