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    183.
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    树脂组合物和使用该树脂组合物的多层容器

    公开(公告)号:KR1020020046198A

    公开(公告)日:2002-06-20

    申请号:KR1020010077562

    申请日:2001-12-08

    Abstract: PURPOSE: A resin composition which has excellent oxygen absorbing property and is capable of suppressing the permeation of oxygen through the resin layer for extended periods of time, and further has excellent moldability and mechanical strength, and a multi-layer container having an oxygen-absorbing layer of the composition are provided. CONSTITUTION: The resin composition is obtained by blending a thermoplastic resin that can be melt-extruded at a solubility parameter of not smaller than 9.5 with an organic oxidizing component and with a transition metal catalyst, wherein the organic oxidizing component is a polyene having a functional group on a side chain or at a terminal thereof, thermoplastic resin is a gas-barrier resin having an oxygen permeation coefficient of not larger than 7 cc·m/m¬2·day·atom (20 deg.C, 0% RH), thermoplastic resin is a polyamide resin or an ethylene-vinyl alcohol copolymer, thermoplastic resin is a xylene group-containing polyamide resin having a concentration of amino end group of not smaller than 40 eq/10¬6 g, the organic oxidizing component is a polybutadiene or a polyisoprene modified with a maleic acid or with an anhydride thereof, the organic oxidizing component is dispersed in thermoplastic resin, and the dispersant thereof has a minimum length of not larger than 400 nm, and the transition metal catalyst is an organic salt of cobalt and is contained at a concentration of not smaller than 300 ppm calculated as a metal.

    Abstract translation: 目的:一种树脂组合物,其具有优异的氧吸收性能并且能够长时间地抑制氧气通过树脂层的渗透,并且还具有优异的成型性和机械强度,以及具有吸氧性的多层容器 提供了组合物的层。 构成:树脂组合物通过将可溶性参数不低于9.5的熔融挤出的热塑性树脂与有机氧化组分和过渡金属催化剂混合而获得,其中有机氧化组分是具有官能团的多烯 侧链或其末端的热塑性树脂是氧透过系数不大于7cc·m / m·2·天·原子(20℃,0%RH)的阻气性树脂, 热塑性树脂是聚酰胺树脂或乙烯 - 乙烯醇共聚物,热塑性树脂是氨基端基浓度不低于40eq / 10〜6g的含二甲苯基的聚酰胺树脂,有机氧化成分为 聚丁二烯或用马来酸或其酸酐改性的聚异戊二烯,有机氧化组分分散在热塑性树脂中,其分散剂的最小长度不大于400nm,并且 过渡金属催化剂是钴的有机盐,以金属计算的浓度不低于300ppm。

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