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    Multilayer propylene resin sheet and heat-treatable packaging material using same
    2.
    发明授权
    Multilayer propylene resin sheet and heat-treatable packaging material using same 有权
    多层丙烯树脂片和使用其的热处理包装材料

    公开(公告)号：US08859062B2

    公开(公告)日：2014-10-14

    申请号：US13203626

    申请日：2010-03-15

    申请人： Yuji Kadowaki ,  Gen Kanai

    发明人： Yuji Kadowaki ,  Gen Kanai

    IPC分类号： B29D22/00 ,  B65D85/808 ,  C08L51/06 ,  C08L23/14 ,  C08L53/00 ,  B32B27/32 ,  A61J1/10

    CPC分类号： C08L51/06 ,  A61J1/10 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B27/327 ,  B32B2264/0207 ,  B32B2264/0257 ,  B32B2264/0264 ,  B32B2264/0278 ,  B32B2307/306 ,  B32B2307/31 ,  B32B2307/412 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/704 ,  B32B2307/732 ,  B32B2307/734 ,  B32B2553/00 ,  B65D85/808 ,  C08L23/142 ,  C08L53/00 ,  C08L2205/02 ,  C08L2314/06 ,  C08L2666/06 ,  Y10T428/1334 ,  Y10T428/1352 ,  Y10T428/31913

    摘要： The invention provides a multilayer sheet and a heat-treatable packaging material which have excellent flexibility, transparency, impact resistance, heat resistance, heat-sealability and cleanliness, which are endowed with a good formability without readily incurring drawbacks such as external defects and thickness fluctuations when subjected to multilayer formation, and which, even at a reduced thickness, have an excellent sheet substrate strength decrease-inhibiting effect.The multilayer sheet is a multilayer propylene resin sheet composed of at least two layers of an inner layer (1) and an outer layer (2), wherein the inner layer (1) is made of a resin composition (X) containing from 60 to 90 wt % of (A) a propylene resin composition which includes from 30 to 70 wt % of (A1) a specific propylene-α-olefin random copolymer component and from 70 to 30 wt % of (A2) a propylene-ethylene random copolymer component, from 40 to 10 wt % of (B) an ethylene-α-olefin copolymer, and from 1 to 25 wt % of (C) a propylene resin, and the outer layer (2) is made of a specific propylene resin composition Y. The heat-treatable packaging material can be obtained from the multilayer propylene resin sheet.

    摘要翻译： 本发明提供了具有优异的柔软性，透明性，耐冲击性，耐热性，热封性和清洁性的多层片材和可热处理的包装材料，其具有良好的成形性，而不会容易产生诸如外部缺陷和厚度波动的缺点 当进行多层形成时，即使在减小的厚度下也具有优异的片基强度降低抑制效果。 多层片材是由至少两层的内层（1）和外层（2）构成的多层丙烯类树脂片，其中，内层（1）由含有60〜 90重量％的（A）丙烯树脂组合物，其包含30〜70重量％的（A1）特定的丙烯-α-烯烃无规共聚物成分和70〜30重量％的（A2）丙烯 - 乙烯无规共聚物 （B）乙烯-α-烯烃共聚物的40〜10重量％，（C）丙烯系树脂的1〜25重量％，外层（2）由比丙烯树脂组合物 可热处理的包装材料可以从多层丙烯树脂片获得。

    MULTILAYER PROPYLENE RESIN SHEET AND HEAT-TREATABLE PACKAGING MATERIAL USING SAME
    4.
    发明申请
    MULTILAYER PROPYLENE RESIN SHEET AND HEAT-TREATABLE PACKAGING MATERIAL USING SAME 有权
    多层丙烯树脂和可热处理的包装材料

    公开(公告)号：US20110311742A1

    公开(公告)日：2011-12-22

    申请号：US13203626

    申请日：2010-03-15

    申请人： Yuji Kadowaki ,  Gen Kanai

    发明人： Yuji Kadowaki ,  Gen Kanai

    IPC分类号： B32B1/08 ,  B32B27/08

    CPC分类号： C08L51/06 ,  A61J1/10 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B27/327 ,  B32B2264/0207 ,  B32B2264/0257 ,  B32B2264/0264 ,  B32B2264/0278 ,  B32B2307/306 ,  B32B2307/31 ,  B32B2307/412 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/704 ,  B32B2307/732 ,  B32B2307/734 ,  B32B2553/00 ,  B65D85/808 ,  C08L23/142 ,  C08L53/00 ,  C08L2205/02 ,  C08L2314/06 ,  C08L2666/06 ,  Y10T428/1334 ,  Y10T428/1352 ,  Y10T428/31913

    摘要： The invention provides a multilayer sheet and a heat-treatable packaging material which have excellent flexibility, transparency, impact resistance, heat resistance, heat-sealability and cleanliness, which are endowed with a good formability without readily incurring drawbacks such as external defects and thickness fluctuations when subjected to multilayer formation, and which, even at a reduced thickness, have an excellent sheet substrate strength decrease-inhibiting effect.The multilayer sheet is a multilayer propylene resin sheet composed of at least two layers of an inner layer (1) and an outer layer (2), wherein the inner layer (1) is made of a resin composition (X) containing from 60 to 90 wt % of (A) a propylene resin composition which includes from 30 to 70 wt % of (A1) a specific propylene-α-olefin random copolymer component and from 70 to 30 wt % of (A2) a propylene-ethylene random copolymer component, from 40 to 10 wt % of (B) an ethylene-α-olefin copolymer, and from 1 to 25 wt % of (C) a propylene resin, and the outer layer (2) is made of a specific propylene resin composition Y. The heat-treatable packaging material can be obtained from the multilayer propylene resin sheet.

    摘要翻译： 本发明提供一种具有优异的柔软性，透明性，耐冲击性，耐热性，热封性和清洁性的多层片材和可热处理的包装材料，其具有良好的成形性，而不会产生诸如外部缺陷和厚度波动的缺点 当进行多层形成时，即使在减小的厚度下也具有优异的片基强度降低抑制效果。 多层片材是由至少两层的内层（1）和外层（2）构成的多层丙烯类树脂片，其中，内层（1）由含有60〜 90重量％的（A）丙烯树脂组合物，其包含30〜70重量％的（A1）特定的丙烯-α-烯烃无规共聚物成分和70〜30重量％的（A2）丙烯 - 乙烯无规共聚物 （B）乙烯-α-烯烃共聚物的40〜10重量％，（C）丙烯系树脂的1〜25重量％，外层（2）由比丙烯树脂组合物 可热处理的包装材料可以从多层丙烯树脂片获得。

    Laminated film
    6.
    发明授权
    Laminated film 有权
    层压膜

    公开(公告)号：US07341794B2

    公开(公告)日：2008-03-11

    申请号：US10490109

    申请日：2002-09-25

    申请人： Takashi Yamashita ,  Gen Kanai

    发明人： Takashi Yamashita ,  Gen Kanai

    IPC分类号： B32B27/08 ,  B29C47/06

    CPC分类号： B32B27/08 ,  B32B27/32 ,  B32B27/327 ,  B32B2307/518 ,  B32B2307/72 ,  B32B2323/043 ,  B32B2323/046 ,  Y10T156/1313 ,  Y10T428/31909 ,  Y10T428/31913

    摘要： A laminated film of a propylene resin layer and an ethylene resin layer is provided, which does not require solvent removal and recovery devices, etc., is low in influences against working environments and a danger of occurrence of fire, and has a high interlaminar adhesive force. That is, the invention relates to a laminated film prepared by melt extrusion laminating, without via an anchor coating agent, an ethylene based resin mainly comprising a linear ethylene/α-olefin copolymer having: a density of from 0.870 to 0.910 g/cm3; and an MFR of from 1 to 100 g/10 min., the copolymer being obtained by copolymerizing ethylene and an α-olefin having from 3 to 20 carbon atoms, on the surface of a propylene based resin film formed from a crystalline propylene based random copolymer resin having a melting peak temperature of not higher than 140° C., as prepared using a metallocene catalyst.

    摘要翻译： 提供了一种丙烯树脂层和乙烯树脂层的层压膜，其不需要溶剂去除和回收装置等对工作环境的影响低和发生火灾的危险，并且具有高的层间粘合剂 力。 也就是说，本发明涉及通过熔融挤出层压制备的层压膜，而不经由锚固涂层剂，主要包含线性乙烯/α-烯烃共聚物的乙烯基树脂，其密度为0.870-0.910g / SUP> 3 ; MFR为1〜100g / 10分钟，该共聚物通过乙烯与碳原子数3〜20的α-烯烃的共聚而得到，该丙烯系树脂膜由结晶丙烯系无规 使用茂金属催化剂制备的熔融峰温度不高于140℃的共聚物树脂。

    Polypropylene based heat shrinkable film
    7.
    发明授权
    Polypropylene based heat shrinkable film 有权
    聚丙烯基热收缩膜

    公开(公告)号：US07662888B2

    公开(公告)日：2010-02-16

    申请号：US11410074

    申请日：2006-04-25

    申请人： Gen Kanai ,  Kuninori Takahashi ,  Shinichi Kitade ,  Iku Kouzai

    发明人： Gen Kanai ,  Kuninori Takahashi ,  Shinichi Kitade ,  Iku Kouzai

    IPC分类号： C08F297/00

    CPC分类号： B32B27/32 ,  B32B27/08 ,  B32B27/327 ,  B32B2250/242 ,  B32B2307/306 ,  B32B2307/406 ,  B32B2307/412 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/736 ,  B32B2439/46 ,  B32B2439/70 ,  B32B2553/00 ,  C08J5/18 ,  C08J2323/10 ,  C08L23/10 ,  C08L23/16 ,  C08L2308/00 ,  C08L2314/06 ,  Y10T428/31855 ,  C08L2666/06

    摘要： A polypropylene based heat shrinkable film obtained by using a propylene-ethylene block copolymer (A) which satisfies the following requirements (A-i) to (A-iv), and having heat shrinkability imparted by orientation in at least one direction: (A-i) it is a propylene-ethylene block copolymer obtained through sequential polymerization catalyzed by a metallocene catalyst which is composed of 30 to 95 wt % of a propylene homopolymer or propylene-ethylene random copolymer component (A1) having an ethylene content of at most 7 wt % produced in a first step and 70 to 5 wt % of a propylene-ethylene random copolymer component (A2) produced in a second step having an ethylene content higher by 3 to 20 wt % than that of the component (A1); (A-ii) it has a melt flow rate (MFR: 2.16 kg, 230° C.) within a range of 0.1 to 30 g/10 min; (A-iii) a temperature-loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA) has a single peak at a temperature of at most 0° C.; (A-iv) in a temperature rising elution fractionation (TREF) curve obtained as a plot of an elution amount (dwt %/dT) to a temperature by means of temperature rising elution fractionation (TREF) using an o-dichlorobenzene solvent in a temperature range of −15° C. to 140° C., a peak temperature T(A1) observed at a high temperature side is within a range of 60° C. to 88° C., a peak temperature T(A2) observed at a low temperature side is at most 40° C. or a peak temperature T(A2) is not observed, and a temperature T(A4) at which 99 wt % of the total amount of the propylene-ethylene block copolymer is eluted is less than 90° C.

    摘要翻译： 通过使用满足以下要求（A 1）至（A-iv）的丙烯 - 乙烯嵌段共聚物（A），并且具有至少一个方向上的取向赋予热收缩性的聚丙烯基热收缩膜：（Ai） 是通过由金属茂催化剂催化的顺序聚合得到的丙烯 - 乙烯嵌段共聚物，其由30至95重量％的乙烯含量至多为7重量％的丙烯均聚物或丙烯 - 乙烯无规共聚物组分（A1） 在第一步中，70-5重量％的乙烯含量高于组分（A1）的3-20重量％的第二步产生的丙烯 - 乙烯无规共聚物组分（A2）; （A-ii），其熔体流动速率（MFR：2.16kg，230℃）在0.1〜30g / 10min的范围内; （A-iii）通过动态力学分析（DMA）获得的温度 - 损耗角正切（tanδ）曲线在至多0℃的温度下具有单峰; （TR-F）曲线中的溶出量（dwt％/ dT）与温度的升高洗脱分级（TREF）曲线的比较（A-iv），使用邻二氯苯溶剂 温度范围为-15℃至140℃，在高温侧观察到的峰值温度T（A1）在60℃至88℃的范围内，观察到峰值温度T（A2） 在低温侧为40℃以下，没有观察到峰值温度T（A2），丙烯 - 乙烯嵌段共聚物总量99重量％的洗脱温度T（A4）为 小于90℃

    Polypropylene based heat shrinkable film
    8.
    发明申请
    Polypropylene based heat shrinkable film 有权
    聚丙烯基热收缩膜

    公开(公告)号：US20060246308A1

    公开(公告)日：2006-11-02

    申请号：US11410074

    申请日：2006-04-25

    申请人： Gen Kanai ,  Kuninori Takahashi ,  Shinichi Kitade ,  Iku Kouzai

    发明人： Gen Kanai ,  Kuninori Takahashi ,  Shinichi Kitade ,  Iku Kouzai

    IPC分类号： B32B27/00 ,  C08F293/00

    CPC分类号： B32B27/32 ,  B32B27/08 ,  B32B27/327 ,  B32B2250/242 ,  B32B2307/306 ,  B32B2307/406 ,  B32B2307/412 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/736 ,  B32B2439/46 ,  B32B2439/70 ,  B32B2553/00 ,  C08J5/18 ,  C08J2323/10 ,  C08L23/10 ,  C08L23/16 ,  C08L2308/00 ,  C08L2314/06 ,  Y10T428/31855 ,  C08L2666/06

    摘要： A polypropylene based heat shrinkable film obtained by using a propylene-ethylene block copolymer (A) which satisfies the following requirements (A-i) to (A-iv), and having heat shrinkability imparted by orientation in at least one direction: (A-i) it is a propylene-ethylene block copolymer obtained through sequential polymerization catalyzed by a metallocene catalyst which is composed of 30 to 95 wt % of a propylene homopolymer or propylene-ethylene random copolymer component (A1) having an ethylene content of at most 7 wt % produced in a first step and 70 to 5 wt % of a propylene-ethylene random copolymer component (A2) produced in a second step having an ethylene content higher by 3 to 20 wt % than that of the component (A1); (A-ii) it has a melt flow rate (MFR: 2.16 kg, 230° C.) within a range of 0.1 to 30 g/10 min; (A-iii) a temperature-loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA) has a single peak at a temperature of at most 0° C.; (A-iv) in a temperature rising elution fractionation (TREF) curve obtained as a plot of an elution amount (dwt %/dT) to a temperature by means of temperature rising elution fractionation (TREF) using an o-dichlorobenzene solvent in a temperature range of −15° C. to 140° C., a peak temperature T(A1) observed at a high temperature side is within a range of 60° C. to 88° C., a peak temperature T(A2) observed at a low temperature side is at most 40° C. or a peak temperature T(A2) is not observed, and a temperature T(A4) at which 99 wt % of the total amount of the propylene-ethylene block copolymer is eluted is less than 90° C.

    摘要翻译： 通过使用满足以下要求（A 1）至（A-iv）的丙烯 - 乙烯嵌段共聚物（A），并且具有至少一个方向上的取向赋予热收缩性的聚丙烯基热收缩膜：（Ai） 是通过由金属茂催化剂催化的顺序聚合得到的丙烯 - 乙烯嵌段共聚物，其由30至95重量％的乙烯含量至多为7重量％的丙烯均聚物或丙烯 - 乙烯无规共聚物组分（A1） 在第一步中，70-5重量％的乙烯含量高于组分（A1）的3-20重量％的第二步产生的丙烯 - 乙烯无规共聚物组分（A2）; （A-ii），其熔体流动速率（MFR：2.16kg，230℃）在0.1〜30g / 10min的范围内; （A-iii）通过动态力学分析（DMA）获得的温度 - 损耗角正切（tanδ）曲线在至多0℃的温度下具有单峰; （TR-F）曲线中的溶出量（dwt％/ dT）与温度的升高洗脱分级（TREF）曲线的比较（A-iv），使用邻二氯苯溶剂 温度范围为-15℃至140℃，在高温侧观察到的峰值温度T（A1）在60℃至88℃的范围内，观察到峰值温度T（A2） 在低温侧为40℃以下，没有观察到峰值温度T（A2），丙烯 - 乙烯嵌段共聚物总量99重量％的洗脱温度T（A4）为 小于90℃