C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/02 (2006.01) C08G 63/199 (2006.01) C08L 67/00 (2006.01)
Patent
CA 2625823
Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and cyclohexanedimethanol, wherein the inherent viscosity and the Tg of the polyester provides for certain polyester properties. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.
La présente invention concerne des compositions de polyester comprenant au moins un polyester qui présente des résidus d'acide téréphtalique, du 2,2,4,4-tétraméthyl-1,3-cyclobutanediol et du cyclohexane diméthanol. Selon cette invention, l'indice logarithmique de viscosité et la température de transition vitreuse Tg du polyester lui confèrent certaines propriétés de polyester. Les polyesters selon cette invention peuvent être utilisés pour fabriquer des articles tels que des fibres, des films, des bouteilles ou des feuilles.
Barton Benjamin Fredrick
Connell Gary Wayne
Crawford Emmett Dudley
Germroth Ted Calvin
Mcwilliams Douglas Stephens
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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