公开(公告)号：US11345809B2

公开(公告)日：2022-05-31

申请号：US16677085

申请日：2019-11-07

Applicant: GRAHAM PACKAGING COMPANY, L.P.

Inventor： Murali K. Akkapeddi ,  Brian A. Lynch

IPC: C08L67/02 ,  C08L71/00 ,  C08K3/11 ,  C08K5/098 ,  C08K5/103 ,  C08K5/12 ,  C08J5/18 ,  C08G63/82 ,  C08G63/85 ,  C08G63/86 ,  C08G63/183 ,  C08G63/127

Abstract: The present invention provides a composition comprising: a polyester base polymer; an oxidizable polyether-based additive; and a transition metal catalyst, wherein the polyester base polymer is substantially free of antimony. Containers made include a wall made of the composition. The polyester base polymer may preferably include polyethylene terephthalate and include less than about 100 ppm of antimony, less than about 50 ppm, less than about 10 ppm, or between about 0 and about 2 ppm. Containers made from the composition are substantially clear and exhibit excellent oxygen scavenging properties with little to no induction period.

公开(公告)号：US10208200B2

公开(公告)日：2019-02-19

申请号：US15474254

申请日：2017-03-30

Applicant: GRAHAM PACKAGING COMPANY, L.P.

Inventor： Murali K. Akkapeddi ,  Brian A. Lynch

IPC: C08L67/02 ,  B65D81/26

Abstract: A composition comprising: a polyester base polymer; a blend of two distinct polyether-based oxygen scavenging additives, OS1 and OS2, wherein each of OS1 and OS2 is selected from the group consisting of a polyether diol, an ester end-capped derivative of a polyether diol, a polyether-polyester block copolymer, and an ether end-capped derivative of a polyetherdiol, wherein OS1 has a molecular weight of from 10,000 to 100,000 and OS2 has a molecular weight of from 200 to 5,000; and a transition metal catalyst.

公开(公告)号：US20130306905A1

公开(公告)日：2013-11-21

申请号：US13799880

申请日：2013-03-13

Applicant: GRAHAM PACKAGING COMPANY, L.P.

Inventor： Murali K. Akkapeddi ,  Brian A. Lynch ,  Timothy Schnetzka

IPC: C09K15/30

CPC classification number: C09K15/30 ,  C08K5/005 ,  C08K5/098 ,  C08K5/20 ,  C08K5/3417 ,  C08K2201/012 ,  C08K2201/019 ,  C08L67/02

Abstract: The present invention provides a composition comprising: a polyester base polymer; at least one non-polymeric oxidizable organic compound; at least one transition metal in a positive oxidation state, said metal being present in the composition in an amount of from about 10 to about 400 ppm, wherein the polyester base polymer comprises less than about 40 ppm phosphorous. The compositions of the present invention do not exhibit an induction period prior to the onset of oxygen scavenging upon formation into a container.

Abstract translation: 本发明提供一种组合物，其包含：聚酯基聚合物; 至少一种非聚合的可氧化的有机化合物; 至少一种正氧化态的过渡金属，所述金属以约10至约400ppm的量存在于组合物中，其中聚酯基聚合物包含小于约40ppm的磷。 本发明的组合物在形成容器后的氧清除开始之前不表现出诱导期。