C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/02 (2006.01) C08L 23/06 (2006.01)
Patent
CA 2183579
The present invention relates to thermoformed plastic articles such as frozen food trays which exhibit unexpectedly high impact strength at low temperatures. The articles are obtained from polyester blends containing 88 to 99 weight percent of a poly(ethylene terephthalate) resin and 1 to 12 weight percent of a poly(1,4-cyclohexylenedimethylene terephthalate) resin which contains at least 30 mole percent of 1,4-cyclohexanedimethanol.
L'invention concerne des articles en plastique thermoformé tels que des plateaux d'aliments congelés présentant une résistance aux chocs élevée inattendue à basse température. Les articles sont obtenus à partir de mélanges de polyesters contenant 88 à 99 % en poids d'une résine de polytéréphtalate d'éthylène et 1 à 12 % en poids d'une résine de polytéréphtalate de 1,4-cyclohexylènediméthylène, contenant au moins 30 moles % de 1,4 cyclohexanediméthanol.
Bell Emily Tedrow
Stewart Jennifer Loflin
Eastman Chemical Company
Gowling Lafleur Henderson Llp
LandOfFree
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