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    MULTILAYER PLASTIC CONTAINER
    1.
    发明公开
    MULTILAYER PLASTIC CONTAINER 有权
    MEHRSCHICHTKUNSTSTOFFBEHÄLTER

    公开(公告)号：EP2641735A1

    公开(公告)日：2013-09-25

    申请号：EP11841410.1

    申请日：2011-11-16

    申请人： Toyo Seikan Kaisha, Ltd.

    发明人： ISHIHARA, Takayuki ,  TASHIRO, Yuuki ,  MORI, Kota

    IPC分类号： B32B27/00 ,  B32B27/28 ,  B65D1/00

    CPC分类号： B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/7244 ,  B32B2439/40 ,  B65D1/00 ,  B65D1/40 ,  C08L23/0861 ,  C08L51/06 ,  C09J123/0861 ,  Y10T428/1379 ,  Y10T428/1383

    摘要： [Problems] To provide a multilayered plastic container which exhibits excellent oxygen-barrier property of the ethylene-vinyl alcohol copolymer to a sufficient degree without the need of providing a special adhesive layer, and which, when a polyolefin resin is used to form the inner and outer layers, too, not only permits the ethylene-vinyl alcohol copolymer to be effectively used but also makes it very easy to set the conditions for satisfying predetermined properties.
    [Means for Solution] A multilayered plastic container comprising an oxygen-barrier layer of an ethylene-vinyl alcohol copolymer that serves as a matrix and an adhesive intermediate layer of a blend of an ethylene-vinyl alcohol copolymer and a maleic anhydride-modified olefin resin neighboring each other between an inner layer and an outer layer, wherein both the ethylene-vinyl alcohol copolymer used for forming said oxygen-barrier layer and the ethylene-vinyl alcohol copolymer used for forming said adhesive intermediate layer have an ethylene content of 20 to 60 mol%; and said adhesive intermediate layer contains said ethylene-vinyl alcohol copolymer and the maleic anhydride-modified olefin resin at a weight ratio of 4:6 to 8:2, and contains, as said maleic anhydride-modified olefin resin, a high MFR component having an MFR at 190°C of 100 to 500 g/10 min. and a low MFR component having an MFR at 190°C of 2 to 90 g/10 min.

    摘要翻译： [问题]提供一种充分展现乙烯 - 乙烯醇共聚物优异的氧阻隔性的多层塑料容器，而不需要提供特殊的粘合剂层，并且当使用聚烯烃树脂形成内层 外层也不仅可以有效地使用乙烯 - 乙烯醇共聚物，还可以很容易地设定满足规定性能的条件。 [解决方案]一种多层塑料容器，其包含用作基质的乙烯 - 乙烯醇共聚物的阻氧层和乙烯 - 乙烯醇共聚物和马来酸酐改性的烯烃树脂的共混物的粘合中间层 在内层和外层之间彼此相邻，其中用于形成所述阻氧层的乙烯 - 乙烯醇共聚物和用于形成所述粘合中间层的乙烯 - 乙烯醇共聚物均具有20至60的乙烯含量 摩尔％; 并且所述粘合中间层以4:6至8:2的重量比含有所述乙烯 - 乙烯醇共聚物和马来酸酐改性的烯烃树脂，并且包含作为所述马来酸酐改性的烯烃树脂的高MFR组分，其具有 190℃下的MFR为100〜500g / 10分钟。 在190℃下MFR为2〜90g / 10分钟的低MFR成分。

    MULTILAYERED STRUCTURE
    3.
    发明授权
    MULTILAYERED STRUCTURE 有权

    公开(公告)号：EP2433794B1

    公开(公告)日：2018-12-26

    申请号：EP10777763.3

    申请日：2010-05-18

    申请人： Toyo Seikan Kaisha, Ltd.

    发明人： ISHIHARA, Takayuki ,  KIKUCHI, Atsushi

    IPC分类号： B32B5/14 ,  B32B27/28 ,  B32B7/12 ,  B32B27/08 ,  B32B27/30

    CPC分类号： B32B27/32 ,  B32B5/14 ,  B32B7/12 ,  B32B27/08 ,  B32B27/28 ,  B32B27/306 ,  B32B2250/05 ,  B32B2250/24 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/412 ,  B32B2307/718 ,  B32B2307/7244 ,  B32B2307/758 ,  B32B2439/00 ,  C08L9/00 ,  C09J129/04 ,  Y10T428/31913 ,  Y10T428/31938

    摘要： [Problems] To provide a multilayered structure which eliminates the need of providing any particular adhesive layer, enables the ethylene/vinyl alcohol copolymer to exhibit excellent oxygen-barrier property to a sufficient degree, and can be effectively used even when a polyolefin resin is used as the inner and outer layers. [Means for Solution] A multilayered structure having an adhesive intermediate layer of a blend of an ethylene/vinyl alcohol copolymer (A) and a maleic anhydride-modified olefin resin (B) between an inner layer and an outer layer, the adhesive intermediate layer containing the ethylene/vinyl alcohol copolymer (A) and the maleic anhydride-modified olefin resin (B) at a weight ratio of 4: 6 to 8:2, the phase structure of the adhesive intermediate layer being a sea-island structure with the maleic anhydride-modified olefin resin (B) as the sea or being a bicontinuous phase, and the adhesive intermediate layer having a standard deviation of not less than 65 when a contrast profile of the ethylene/vinyl alcohol copolymer (A) and the maleic anhydride-modified olefin resin (B) in the adhesive intermediate layer near the interface thereof is numerically expressed on a scanning electron microphotograph of the cross section of the multilayered structure in the direction of thickness by using an image analysis software.

    MULTILAYER PLASTIC CONTAINER
    4.
    发明授权
    MULTILAYER PLASTIC CONTAINER 有权
    MULTI-LAYER塑料容器

    公开(公告)号：EP2641735B1

    公开(公告)日：2015-06-17

    申请号：EP11841410.1

    申请日：2011-11-16

    申请人： Toyo Seikan Kaisha, Ltd.

    发明人： ISHIHARA, Takayuki ,  TASHIRO, Yuuki ,  MORI, Kota

    IPC分类号： B32B27/00 ,  B32B27/28 ,  B65D1/00

    CPC分类号： B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/7244 ,  B32B2439/40 ,  B65D1/00 ,  B65D1/40 ,  C08L23/0861 ,  C08L51/06 ,  C09J123/0861 ,  Y10T428/1379 ,  Y10T428/1383

    摘要： [Problems] To provide a multilayered plastic container which exhibits excellent oxygen-barrier property of the ethylene-vinyl alcohol copolymer to a sufficient degree without the need of providing a special adhesive layer, and which, when a polyolefin resin is used to form the inner and outer layers, too, not only permits the ethylene-vinyl alcohol copolymer to be effectively used but also makes it very easy to set the conditions for satisfying predetermined properties. [Means for Solution] A multilayered plastic container comprising an oxygen-barrier layer of an ethylene-vinyl alcohol copolymer that serves as a matrix and an adhesive intermediate layer of a blend of an ethylene-vinyl alcohol copolymer and a maleic anhydride-modified olefin resin neighboring each other between an inner layer and an outer layer, wherein both the ethylene-vinyl alcohol copolymer used for forming said oxygen-barrier layer and the ethylene-vinyl alcohol copolymer used for forming said adhesive intermediate layer have an ethylene content of 20 to 60 mol%; and said adhesive intermediate layer contains said ethylene-vinyl alcohol copolymer and the maleic anhydride-modified olefin resin at a weight ratio of 4:6 to 8:2, and contains, as said maleic anhydride-modified olefin resin, a high MFR component having an MFR at 190°C of 100 to 500 g/10 min. and a low MFR component having an MFR at 190°C of 2 to 90 g/10 min.

    MULTILAYERED CONTAINER
    6.
    发明公开
    MULTILAYERED CONTAINER 有权
    MEHRLAGIGERBEHÄLTER

    公开(公告)号：EP2093053A1

    公开(公告)日：2009-08-26

    申请号：EP07850091.5

    申请日：2007-12-05

    申请人： Toyo Seikan Kaisha, Ltd.

    发明人： ISHIHARA, Takayuki ,  KIKUCHI, Atsushi ,  GOTOU, Hiroaki ,  TANAKA, Shinji ,  MATSUMOTO, Kengo

    IPC分类号： B32B27/32 ,  B32B27/28 ,  B65D65/40

    CPC分类号： B29C51/10 ,  B29C51/002 ,  B29C51/14 ,  B29K2023/08 ,  B29K2023/086 ,  B29K2023/12 ,  B29K2023/14 ,  B29K2995/0067 ,  B29L2031/712 ,  B32B27/18 ,  B32B27/30 ,  B32B27/306 ,  B32B27/32 ,  B32B2250/03 ,  B32B2250/246 ,  B32B2250/42 ,  B32B2307/7244 ,  B32B2439/00 ,  B32B2439/40 ,  B32B2439/70 ,  B32B2439/80 ,  B65D81/26 ,  Y10T428/1383

    摘要： Disclosed is a multilayered container having an intermediate layer comprising an oxygen-absorbable barrier resin composition showing excellent processability upon molding. Specifically disclosed is a multilayered container which comprises an inner layer and an outer layer each comprising an olefin resin and an intermediate layer provided between the inner layer and the outer layer and comprising an oxygen-absorbable barrier resin composition, wherein the oxygen-absorbable barrier resin composition has a cooling crystallization peak temperature lower than that of a base resin (an oxygen barrier resin) which constitutes the oxygen-absorbable barrier resin composition, the multilayered container is formed by a solid-phase forming process at a temperature lower by 1 to 15°C than the cooling crystallization starting temperature (Tc2) of the base resin, and the body of the container shows a calorific value of less than 0.5 J/g by the isothermal crystallization after heating from 30°C to 130°C at a heating rate of 100°C /min in a thermal analysis of the body.

    摘要翻译： 公开了一种具有中间层的多层容器，该中间层包含在模塑时显示出优异的加工性能的吸氧阻隔树脂组合物。 具体公开了一种多层容器，其包括内层和外层，每层包含烯烃树脂和设置在内层和外层之间的中间层，并且包含可吸收氧的阻隔树脂组合物，其中吸氧阻隔树脂 组合物的冷却结晶峰值温度低于构成吸氧阻隔性树脂组合物的基础树脂（阻氧树脂）的冷却结晶峰值温度，通过在低于1〜15℃的温度下进行固相成型，形成多层容器 ℃，比基体树脂的冷却结晶起始温度（Tc2）高，并且通过在加热时从30℃加热至130℃之间的等温结晶，容器的主体显示小于0.5J / g的发热量 在身体的热分析中，速率为100℃/ min。

    MULTILAYERED STRUCTURE
    8.
    发明公开
    MULTILAYERED STRUCTURE 有权
    多层结构

    公开(公告)号：EP2433794A1

    公开(公告)日：2012-03-28

    申请号：EP10777763.3

    申请日：2010-05-18

    申请人： Toyo Seikan Kaisha, Ltd.

    发明人： ISHIHARA, Takayuki ,  KIKUCHI, Atsushi

    IPC分类号： B32B27/28 ,  B32B27/32

    CPC分类号： B32B27/32 ,  B32B5/14 ,  B32B7/12 ,  B32B27/08 ,  B32B27/28 ,  B32B27/306 ,  B32B2250/05 ,  B32B2250/24 ,  B32B2270/00 ,  B32B2272/00 ,  B32B2307/412 ,  B32B2307/718 ,  B32B2307/7244 ,  B32B2307/758 ,  B32B2439/00 ,  C08L9/00 ,  C09J129/04 ,  Y10T428/31913 ,  Y10T428/31938

    摘要： [Problems] To provide a multilayered structure which eliminates the need of providing any particular adhesive layer, enables the ethylene/vinyl alcohol copolymer to exhibit excellent oxygen-barrier property to a sufficient degree, and can be effectively used even when a polyolefin resin is used as the inner and outer layers.
    [Means for Solution] A multilayered structure having an adhesive intermediate layer of a blend of an ethylene/vinyl alcohol copolymer (A) and a maleic anhydride-modified olefin resin (B) between an inner layer and an outer layer, the adhesive intermediate layer containing the ethylene/vinyl alcohol copolymer (A) and the maleic anhydride-modified olefin resin (B) at a weight ratio of 4: 6 to 8:2, the phase structure of the adhesive intermediate layer being a sea-island structure with the maleic anhydride-modified olefin resin (B) as the sea or being a bicontinuous phase, and the adhesive intermediate layer having a standard deviation of not less than 65 when a contrast profile of the ethylene/vinyl alcohol copolymer (A) and the maleic anhydride-modified olefin resin (B) in the adhesive intermediate layer near the interface thereof is numerically expressed on a scanning electron microphotograph of the cross section of the multilayered structure in the direction of thickness by using an image analysis software.

    摘要翻译： 为了提供不需要设置任何特定粘合剂层的多层结构，乙烯/乙烯醇共聚物能够充分发挥优异的阻氧性，并且即使在使用聚烯烃树脂的情况下也能够有效地使用 作为内层和外层。 [溶液的方法]在内层和外层之间具有乙烯/乙烯醇共聚物（A）和马来酸酐改性的烯烃树脂（B）的共混物的粘合剂中间层的多层结构，粘合剂中间层 含有重量比为4:6〜8:2的乙烯 - 乙烯醇共聚物（A）和马来酸酐改性烯烃树脂（B），粘合性中间层的相结构为海岛结构， 当乙烯/乙烯醇共聚物（A）和马来酸酐共聚物（A）与马来酸酐共聚物（A）的对比度分布不同时，作为海或共连续相的马来酸酐改性烯烃树脂（B）和标准偏差不小于65的粘合剂中间层 在其界面附近的粘合中间层中的改性烯烃树脂（B）在厚度方向上在多层结构的横截面的扫描电子显微照片上用数字表示 法师分析软件。