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    A MULTILAYER SHEET, A THERMOFORMED ARTICLE, AND A METHOD FOR MAKING THE SAME
    1.
    发明公开
    A MULTILAYER SHEET, A THERMOFORMED ARTICLE, AND A METHOD FOR MAKING THE SAME 有权
    MEHRSCHICHTIGE FOLIE，THERMOGEFORMTER ARTIKEL，UND VERFAHREN ZU DESSEN HERSTELLUNG

    公开(公告)号：EP2571689A1

    公开(公告)日：2013-03-27

    申请号：EP11724090.3

    申请日：2011-05-13

    申请人： Dow Global Technologies LLC

    发明人： BONAVOGLIA, Barbara ,  BRUNNER, Kurt ,  SANDKUEHLER, Peter

    IPC分类号： B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  C08K3/00 ,  C08K5/00 ,  C08L23/14 ,  C08L23/12

    CPC分类号： B29C51/002 ,  B32B5/18 ,  B32B27/065 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B2307/704 ,  B32B2307/7145 ,  B32B2307/732 ,  C08K5/0058 ,  C08L23/10 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08L2207/02 ,  Y10T428/31938 ,  C08L2666/06

    摘要： The instant invention provides a multilayer sheet, a thermoformed article, and a method for making the same. The multilayer sheet comprises (a) at least one sealant layer comprising: less than 1 percent by weight of one or more antimicrobial agents, based on the total weight of the sealant layer; at least 20 percent by weight of a base polymer, based on the total weight of the sealant layer, wherein said base polymer comprises a propylene/ethylene copolymer composition, wherein said propylene/ethylene copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram), and a DSC melting point in the range of 25° C to 110° C; and less than 80 percent by weight of a secondary polymer selected from the group consisting of polypropylene homopolymer, polypropylene random copolymer, impact modified polypropylene, combinations thereof, and blends thereof; and (b) at least one core layer in contact with said at least one sealant layer, wherein said core layer comprises a core polymer

    摘要翻译： 本发明提供一种多层片材，热成型制品及其制造方法。 多层片材包含（a）至少一个密封剂层，其包含：基于密封剂层的总重量小于1重量％的一种或多种抗微生物剂; 至少20重量％的基础聚合物，基于密封剂层的总重量，其中所述基础聚合物包含丙烯/乙烯共聚物组合物，其中所述丙烯/乙烯共聚物的结晶度在1％乘以 重量至30重量％，熔化热为2焦耳/克至50焦耳/克），DSC熔点在25℃至110℃的范围内。 和小于80重量％的选自聚丙烯均聚物，聚丙烯无规共聚物，抗冲改性聚丙烯及其组合的二次聚合物及其混合物; 和（b）与所述至少一个密封剂层接触的至少一个芯层，其中所述芯层包括芯聚合物

    A MULTILAYER SHEET, A THERMOFORMED ARTICLE, AND A METHOD FOR MAKING THE SAME
    2.
    发明公开
    A MULTILAYER SHEET, A THERMOFORMED ARTICLE, AND A METHOD FOR MAKING THE SAME 审中-公开
    MEHRSCHICHTIGE FOLIE，THERMOGEFORMTER ARTIKEL，UND VERFAHREN ZU DESSEN HERSTELLUNG

    公开(公告)号：EP3150375A1

    公开(公告)日：2017-04-05

    申请号：EP16193538.2

    申请日：2011-05-13

    申请人： Dow Global Technologies LLC

    发明人： BONAVOGLIA, Barbara ,  BRUNNER, Kurt ,  SANDKUEHLER, Peter

    IPC分类号： B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  C08K3/00 ,  C08K5/00 ,  C08L23/14 ,  C08L23/12

    CPC分类号： B29C51/002 ,  B32B5/18 ,  B32B27/065 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B2307/704 ,  B32B2307/7145 ,  B32B2307/732 ,  C08K5/0058 ,  C08L23/10 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08L2207/02 ,  Y10T428/31938 ,  C08L2666/06

    摘要： The present invention relates to a multilayer sheet comprising:
    at least one sealant layer comprising:
    from 0.02 to less than 1 percent by weight of one or more antimicrobial agents, based on the total weight of the sealant layer;
    at least 20 percent by weight of a base polymer, based on the total weight of the sealant layer, wherein said base polymer comprises a propylene/α-olefin copolymer composition, wherein said propylene/α-olefin copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight and a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram;
    from 10 to 80 percent by weight of a secondary polymer selected from the group consisting of polypropylene homopolymer, polypropylene random copolymer, impact modified polypropylene, and combinations thereof;
    at least one core layer in contact with said at least one sealant layer, wherein said core layer comprises a core polymer.

    摘要翻译： 本发明涉及一种多层片材，其包含：至少一个密封剂层，其包含：基于所述密封剂层的总重量的0.02至小于1重量％的一种或多种抗微生物剂; 至少20重量％的基础聚合物，基于密封剂层的总重量，其中所述基础聚合物包含丙烯/α-烯烃共聚物组合物，其中所述丙烯/α-烯烃共聚物的结晶度在 从1重量％至30重量％，熔融热为2焦耳/克至50焦耳/克; 10至80重量％的选自聚丙烯均聚物，聚丙烯无规共聚物，抗冲改性聚丙烯及其组合的二次聚合物; 与所述至少一个密封剂层接触的至少一个芯层，其中所述芯层包括芯聚合物。

    STRETCH-SLEEVE FILM
    4.
    发明公开
    STRETCH-SLEEVE FILM 审中-公开
    STRECKFOLIENFILM

    公开(公告)号：EP2986454A1

    公开(公告)日：2016-02-24

    申请号：EP14731088.2

    申请日：2014-04-15

    申请人： Dow Global Technologies LLC

    发明人： BRUNNER, Kurt ,  FORSTER, Hans Jörg ,  GALATIK, Thomas

    IPC分类号： B32B27/32

    CPC分类号： B32B1/08 ,  B29C55/24 ,  B29C63/18 ,  B29L2009/00 ,  B32B1/02 ,  B32B27/08 ,  B32B27/32 ,  B32B33/00 ,  B32B2270/00 ,  B32B2307/54 ,  B32B2307/72 ,  B32B2323/046 ,  B32B2439/00

    摘要： The present invention concerns a film (1), which contains at least one inner layer (3, 4, 5) and two outer layers (2, 6) enclosing at least one inner layer (3, 4, 5) where the, at least one, inner layer (3, 4, 5) contains a polymer A in a quantity from 70 to 100 wt. %, preferably 80 to 99 wt.% and especially preferably from 90 to 99 wt. %, relative to the total weight of the inner layer (3, 4, 5), which is characterized by special interesting properties, where the outer layers (2, 6) contain a mixture of polymer A and a polymer B, where polymer B is selected from the group consisting of low-density polyethylenes, said film (1) having a thickness from 30 to 70 μιη, preferably 35 to 60 μιη and especially 40 to 55 and an elastic restoring capacity of more than 95% at an elonga¬ tion of 55%. The present invention also concerns a process for the production of a film, the use of the wealth. As a stretch- sleeve up film and articles provided with the oil of the invention, such as packaging. The present disclosure is directed to a stretch-sleeve film and articles including the stretch- sleeve film. The stretch-sleeve film includes at least three layers including two skin lay¬ ers and a core layer. The core layer includes at least 75 wt% of an ethylene/a-olefin copolymer (A) characterized by (i) a density from 0.890 g/cc to 0.920 g/cc; (ii) a Mw/Mn from 2.0 to 4.0; (iii) a ZSVR less than 6.0; and (iv) a CDC from 85 to 150. At least one skin layer includes a polymeric material selected from the ethylene/a-olefin copol¬ ymer (A), a low density polyethylene, a medium density polyethylene, and combinations thereof. The stretch- sleeve film has an elastic recovery at 55% stretch of at least 95%.

    摘要翻译： 本发明涉及一种膜（1），其包含至少一个内层（3,4,5）和两个包围至少一个内层（3,4,5）的外层（2,6），其中，在 至少一个，内层（3,4,5）含有70〜100重量％的聚合物A. ％，优选80〜99重量％ ％，特别优选为90〜99重量％。 相对于内层（3,4,5）的总重量，其特征在于特殊的有趣性质，其中外层（2,6）含有聚合物A和聚合物B的混合物，其中聚合物B 选自低密度聚乙烯，所述膜（1）的厚度为30〜70μm，优选为35〜60μm，特别优选为40〜55，弹性恢复能力在伸长率时大于95％ 55％。 本发明还涉及一种生产薄膜的方法，即使用这种财富。 作为拉伸套管膜和具有本发明的油的制品，如包装。 本公开涉及拉伸套筒膜和包括拉伸套筒膜的制品。 拉伸套筒膜包括至少三层，包括两个表皮层和芯层。 核心层包括至少75wt％的乙烯/α-烯烃共聚物（A），其特征在于（i）密度为0.890g / cc至0.920g / cc; （ii）2.0〜4.0的Mw / Mn; （iii）小于6.0的ZSVR; 至少一个表皮层包括选自乙烯/α-烯烃共聚物（A），低密度聚乙烯，中等密度聚乙烯及其组合的聚合物材料。 拉伸套筒膜在55％拉伸时的弹性回复率至少为95％。