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    • 6. 发明授权
    • Amphoteric grafted barrier materials
    • 两性接枝阻隔材料
    • US08148466B2
    • 2012-04-03
    • US11136084
    • 2005-05-23
    • Willard E. WoodNeil J. Beaverson
    • Willard E. WoodNeil J. Beaverson
    • C08F255/02C08F8/00C08F8/14
    • C08F255/00C08F255/02C08F291/00C08L51/06C08L2666/06C08L2666/02C08L2666/04
    • Thermoplastic polymer compositions, films, containers, laminates and fibers can comprise a modified polymer. The said modified polymer having a moiety comprising a half-ester reaction product of cyclodextrin and metal and/or organic group covalently bonded to some portion of the half-acid moieties. The cyclodextrin compound, grafted to the polymer structure, can scavenge impurities, permeants, or other undesirable volatile contaminants. The cooperation between the modified polymer's carboxylic acidic groups, basic groups and grafted cyclodextrin can provide active barrier properties to a film, web, fiber or other polymer structure. A permeant or a contaminant can be complexed or trapped within the polymer and held within the film, web or fiber preventing the permeant from passing into the interior of a container, or the contaminant can be scavenged from the enclosed headspace or surrounding environment.
    • 热塑性聚合物组合物,薄膜,容器,层压材料和纤维可包含改性聚合物。 所述改性聚合物具有包含环糊精的半酯反应产物和与半酸部分的一部分共价结合的金属和/或有机基团的部分。 接枝到聚合物结构上的环糊精化合物可以清除杂质,渗透剂或其它不需要的挥发性污染物。 改性聚合物的羧酸基团,碱性基团和接枝环糊精之间的配合可以为膜,纤维网,纤维或其它聚合物结构提供主动的阻隔性质。 渗透物或污染物可以复合或捕获在聚合物内并保持在膜,网或纤维中,以防止渗透物进入容器的内部,或者污染物可以从封闭的顶部空间或周围环境中清除。
    • 7. 发明申请
    • MATURATION OR RIPENING INHIBITOR RELEASE FROM POLYMER, FIBER, FILM, SHEET OR PACKAGING
    • 来自聚合物,纤维,薄膜,片材或包装的成熟或抑制抑制剂
    • US20110143004A1
    • 2011-06-16
    • US12967226
    • 2010-12-14
    • Willard E. WoodNeil J. BeaversonWilliam J. Kuduk
    • Willard E. WoodNeil J. BeaversonWilliam J. Kuduk
    • A23B7/00C09K15/06B65D90/00
    • A01N3/00A01N3/02A01N25/10A01N25/34A23B7/154B65D81/24
    • Thermoplastic polyolefin polymer compositions, polymer chips, fibers, woven or nonwoven fabrics, films, closures, and laminates include a polymer and cyclodextrin compound with a volatile maturation inhibitor or an olefinic ethylene receptor antagonist in respiring produce materials. The polymer composition can also include a cyclodextrin-modified polymer or a substituted cyclodextrin. Olefinic ethylene inhibitors can be formed in the cyclodextrin composition, wherein the cyclodextrin releases the olefinic inhibitor composition when used in produce packaging materials. Coating compositions can also be made. The inhibitor is introduced into the materials and is released under controlled conditions of humidity. Upon release, the olefinic inhibitor blocks ethylene receptor sites on proteins that control maturation and can produce an extended period during which the produce does not substantially complete maturation or ripening to a degree leading to spoilage.
    • 热塑性聚烯烃聚合物组合物,聚合物芯片,纤维,机织或非织造织物,薄膜,闭合物和层合物包括在呼吸生产材料中的聚合物和环糊精化合物与挥发性成熟抑制剂或烯属乙烯受体拮抗剂。 聚合物组合物还可以包括环糊精改性的聚合物或取代的环糊精。 烯烃乙烯抑制剂可以在环糊精组合物中形成,其中当用于生产包装材料时,环糊精释放烯烃抑制剂组合物。 也可以制备涂料组合物。 将抑制剂引入材料中,并在受控的湿度条件下释放。 释放后,烯烃抑制剂阻止蛋白质上的乙烯受体位点,其控制成熟并且可以产生延长的时间段,在此期间产物基本上不完全成熟或成熟至导致腐败的程度。