Squeezable and Conformable Oriented Polypropylene Label
    6.
    发明申请
    Squeezable and Conformable Oriented Polypropylene Label 审中-公开
    可挤压和适形的聚丙烯标签

    公开(公告)号:US20130089685A1

    公开(公告)日:2013-04-11

    申请号:US13599318

    申请日:2012-08-30

    摘要: Provided is a squeezable oriented polypropylene adhesive film that can be formed into a label comprising at least one core layer sandwiched between at least two skin layers, the layers comprising: a core layer comprising a polypropylene and within the range of from 20 wt % to 50 wt %, by weight of the materials in the core layer, of a propylene-α-olefin elastomer having within the range of from 5 wt % to 25 wt % α-olefin derived units, by weight of the elastomer; a printable skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the printable skin layer, or an α-olefin copolymer comprising at least 30 wt % ethylene; and an adhesive-accepting skin layer comprising within the range of from 60 wt % to 100 wt %, by weight of the materials in the adhesive-accepting skin layer, of a polypropylene.

    摘要翻译: 提供了一种可挤压取向的聚丙烯粘合剂膜,其可以形成为包括夹在至少两个表皮层之间的至少一个芯层的标签,所述层包括:包含聚丙烯的芯层,在20重量%至50重量%的范围内 以重量计的核心层中的材料的重量比为5重量%至25重量%的α-烯烃衍生单元的丙烯-α-烯烃弹性体; 包含在可印刷表皮层中的材料的60重量%至100重量%范围内的可印刷表皮层或包含至少30重量%乙烯的α-烯烃共聚物; 和粘合剂接受表皮层,其包含在粘合剂接受表皮层中的材料的60重量%至100重量%的范围内的聚丙烯。

    Biaxially oriented LLDPE blends
    9.
    发明授权
    Biaxially oriented LLDPE blends 有权
    双轴取向LLDPE共混物

    公开(公告)号:US08080294B2

    公开(公告)日:2011-12-20

    申请号:US12121920

    申请日:2008-05-16

    申请人: Pang-Chia Lu

    发明人: Pang-Chia Lu

    IPC分类号: B32B1/00 B32B7/02 B29C47/00

    摘要: Disclosed in one aspect is a film comprising at least one core layer comprising a blend of at least 20 wt %, by weight of the core layer, of a first linear LLDPE having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 4.0; and at least 20 wt %, by weight of the core layer, of a second LLDPE—in a certain embodiment a short-chain branched LLDP—having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 7.0; characterized in that the density of the second LLDPE is greater than the density of the first LLDPE by at least 0.002 g/cm3; and/or the I2 of the second LLDPE is greater than the I2 of the first LLDPE by at least 0.5 dg/min. In certain embodiments, the first and second LLDPEs are produced by a metallocene-catalyzed reaction. In yet another embodiment, the combined molecular weight distribution (Mw/Mn) of the first and second LLDPEs is greater than 4.0.

    摘要翻译: 一方面公开了一种膜,其包含至少一个核心层,该核心层包含至少20重量%的核心层,具有在下述范围内的分子量分布(Mw / Mn)的第一线性LLDPE的共混物: 1.0〜4.0; 和至少20重量%的核心层的第二LLDPE - 在某些实施方案中,分子量分布(Mw / Mn)在1.0至7.0范围内的短链支化LLDP-; 其特征在于,所述第二LLDPE的密度大于所述第一LLDPE的密度至少0.002g / cm 3; 和/或第二LLDPE的I2大于第一LLDPE的I2至少0.5dg / min。 在某些实施方案中,第一和第二LLDPE通过金属茂催化的反应产生。 在另一个实施方案中,第一和第二LLDPE的组合分子量分布(Mw / Mn)大于4.0。

    Biaxially Oriented LLDPE Blends
    10.
    发明申请
    Biaxially Oriented LLDPE Blends 有权
    双轴取向的LLDPE共混物

    公开(公告)号:US20090286024A1

    公开(公告)日:2009-11-19

    申请号:US12121920

    申请日:2008-05-16

    申请人: Pang-Chia Lu

    发明人: Pang-Chia Lu

    IPC分类号: B32B1/00 B32B7/02 B29C47/00

    摘要: Disclosed in one aspect is a film comprising at least one core layer comprising a blend of at least 20 wt %, by weight of the core layer, of a first linear LLDPE having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 4.0; and at least 20 wt %, by weight of the core layer, of a second LLDPE—in a certain embodiment a short-chain branched LLDP—having a molecular weight distribution (Mw/Mn) within the range of from 1.0 to 7.0; characterized in that the density of the second LLDPE is greater than the density of the first LLDPE by at least 0.002 g/cm3; and/or the I2 of the second LLDPE is greater than the I2 of the first LLDPE by at least 0.5 dg/min. In certain embodiments, the first and second LLDPEs are produced by a metallocene-catalyzed reaction. In yet another embodiment, the combined molecular weight distribution (Mw/Mn) of the first and second LLDPEs is greater than 4.0.

    摘要翻译: 一方面公开了一种膜,其包含至少一个核心层,该核心层包含至少20重量%的核心层,具有在下述范围内的分子量分布(Mw / Mn)的第一线性LLDPE的共混物: 1.0〜4.0; 和至少20重量%的核心层的第二LLDPE - 在某些实施方案中,分子量分布(Mw / Mn)在1.0至7.0范围内的短链支化LLDP-; 其特征在于,所述第二LLDPE的密度大于所述第一LLDPE的密度至少0.002g / cm 3; 和/或第二LLDPE的I2大于第一LLDPE的I2至少0.5dg / min。 在某些实施方案中,第一和第二LLDPE通过金属茂催化的反应产生。 在另一个实施方案中,第一和第二LLDPE的组合分子量分布(Mw / Mn)大于4.0。