Method for the production of PET sheets
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United States of America Patent
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Issued Date -
May 26, 2005
app pub date -
Nov 19, 2004
filing date -
Nov 21, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a method for the production of PET sheets, in which a polyethylene cerephthalare melt is transferred onto a roller and the obtained film is stretched longitudinally, whereby, for the preparation of the polyethylene rerephthalate present in the melt, a branching agent is used in a concentration from 50 to 300 ppm, related to the total weight of the polyethylene terephthalace contained in the melt.
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