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    • 3. 发明申请
    • POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS
    • 用于氧气组合物的基于聚酯的钴浓度
    • WO2006062816A8
    • 2006-08-31
    • PCT/US2005043609
    • 2005-12-02
    • EASTMAN CHEM CO
    • STEWART MARK EDWARDSHARPE EMERSON ESTON JRGAMBLE BENJAMIN BRADFORDSTAFFORD STEVEN LEEESTEP ROBERT NOAHWILLIAMS JAMES CARLCLARK THOMAS ROGER
    • C08K5/09C08G63/60
    • C08K5/098C08L67/02C08L77/00Y10T428/1352Y10T428/1383C08L2666/14
    • A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt.% based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates. The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color.
    • 提供了一种固体浓缩物,其具有的存在量为1000至40,000ppm(金属重量)的过渡金属和基于浓缩物重量至少为40重量%的聚酯聚合物的组合。 用高度改性的聚酯聚合物制成的浓缩物易于与熔融挤出时形成较少脆性聚合物的过渡金属复合。 通过将固体聚酯颗粒,固体聚酰胺颗粒和固体这些浓缩颗粒c结合到熔融加工区域中,形成熔体并从熔体直接形成制品,可以从这些浓缩物制备瓶预成型件和除氧瓶。 相对于用液体载体代替固体浓缩物制成的预成型件,预型件的b *颜色和L *颜色和雾度水平得到改善。 在有效地至少部分地从共混物中除去水分的条件下,还可以在干燥区中同时干燥颗粒,从而进一步改善b *颜色和L *颜色。
    • 5. 发明申请
    • POLYESTER BASED COBALT CONCENTRATES FOR OXYGEN SCAVENGING COMPOSITIONS
    • 聚酯基钴精矿用于氧清除组合物
    • WO2006062816A2
    • 2006-06-15
    • PCT/US2005043609
    • 2005-12-02
    • EASTMAN CHEM CO
    • STEWART MARK EDWARDSHARPE EMERSON ESTON JRGAMBLE BENJAMIN BRADFORDSTAFFORD STEVEN LEEESTEP ROBERT NOAHWILLIAMS JAMES CARLCLARK THOMAS ROGER
    • C08K5/09C08G63/60
    • C08K5/098C08L67/02C08L77/00Y10T428/1352Y10T428/1383C08L2666/14
    • A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt.% based on the weight of the concentrate. Concentrates made with highly modified polyester polymers are easy to compound with transition metals forming less brittle polymer upon melt extrusion. Bottle preforms and oxygen scavenging bottles can be made from these concentrates by combining solid polyester particles, solid polyamide particles, and solid these concentrate particles c into an melt processing zone, forming a melt, and forming an article directly from the melt. The b* color and the L* color and the haze levels of the preforms are improved over the preforms made with liquid carriers instead of solid concentrates. The particles are also advantageously simultaneously dried in a drying zone under conditions effective to at least partially remove moisture from the blend to thereby further improve the b* color and L* color.
    • 提供固体浓缩物,其具有基于浓缩物的重量以1000至40,000ppm的量存在的过渡金属(金属重量)和以至少40wt%的量存在的聚酯聚合物的组合。 用高度改性的聚酯聚合物制成的浓缩物易于与熔融挤出时形成较脆性聚合物的过渡金属复合。 通过将固体聚酯颗粒,固体聚酰胺颗粒和固体这些浓缩颗粒c结合到熔体加工区中,形成熔体并直接由熔体形成物品,由这些浓缩物可以由这些浓缩物制造瓶子预成型件和除氧瓶。 与用液体载体而不是固体浓缩物制成的预制件相比,预制件的b *颜色和L *颜色和雾度水平得到改善。 还有利的是,在有效地至少部分地从共混物中除去水分的条件下,在干燥区中同时干燥颗粒,从而进一步改善b *颜色和L *颜色。