Stretched polyester foamed sheets and containers obtained therefrom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 29, 2002
Grant Date -
N/A
app pub date -
Mar 20, 2000
filing date -
May 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polyester resin foamed sheet, mono e biaxially stretched usable for the production of containers for beverages and foods, having a density lower than 700 kg/m.sup.3 and a crystallization rate such that, when the sheet is heated at 120.degree. C. for 5 minutes, the crystallinity does not exceeds 15%. The aromatic polyester resin used for preparing the foamed sheet can be mixed with an aliphatic polyester resin to impart biodegradability and/or compostability to the sheet or with 1-10% by weight of a polyamide.
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Cited Art Landscape
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