C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/02 (2006.01) B29C 49/02 (2006.01) B65D 1/02 (2006.01) C08K 5/12 (2006.01)
Patent
CA 2610760
A polyester container with enhanced gas barrier properties comprises a polyester composition having an IV of 0.65 dL/g to 1.0 dL/g and comprising a polyester and a reactive organic gas barrier enhancing additive. The polyester is made using at least one first polycondensation catalyst selected from the group consisting of metals in Groups 3, 4, 13, and 14 of the Periodic Table and comprises a catalyst residue remaining in the polyester from formation of the polyester. The catalyst residue comprises at least a portion of the at least one first polycondensation catalyst.
L'invention concerne un récipient en polyester présentant des propriétés de barrière aux gaz améliorées, comprenant une composition de polyester ayant un IV compris entre 0,65 dL/g et 1,0 dL/g, comprenant un polyester et un additif organique réactif améliorant la barrière aux gaz. Le polyester est obtenu en utilisant au moins un premier catalyseur de polycondensation choisi dans le groupe consistant en des métaux des groupes 3, 4, 13 et 14 du tableau périodique, et comprend un résidu de catalyseur restant dans le polyester après sa formation. Ce résidu de catalyseur comprend au moins une partie dudit au moins un premier catalyseur de polycondensation.
Huang Xiaoyan
Kriegel Robert
Schiavone Robert J.
Shi Yu
Walters Chantel
Sim & Mcburney
The Coca-Cola Company
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