利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

104 条记录 (耗时 0.032 秒)

    Process for the production of a biaxially highly oriented polypropylene film
    41.
    发明授权
    Process for the production of a biaxially highly oriented polypropylene film 失效
    制备双轴取向聚丙烯薄膜的方法

    公开(公告)号：US5766532A

    公开(公告)日：1998-06-16

    申请号：US439598

    申请日：1995-05-12

    申请人： Herbert Peiffer ,  Ursula Murschall ,  Detlef Busch ,  Harald Lohmann

    发明人： Herbert Peiffer ,  Ursula Murschall ,  Detlef Busch ,  Harald Lohmann

    IPC分类号： B29C55/00 ,  C08F8/00 ,  B29C55/12

    CPC分类号： B29C55/005 ,  C08F8/00 ,  B29K2023/12

    摘要： A process for the production of a biaxially oriented propylene polymer film contains, in its single ply (or, if it is a multi-ply film, in its base ply) a low molecular weight resin, and the film has improved stretchability and other desirable physical properties, even though the propylene polymer of the sole or base ply is preferably a homopolymer. The n-heptane-insoluble fraction of the film has a chain isotacticity index, measured by means of .sup.13 C-NMR spectroscopy, of at least 85 to 94%. The sole or base ply contains less than 10% by weight of resin. The film is stretched in such a way that the product of tensile strength in the longitudinal and transverse direction is greater than 50,000 (N/mm.sup.2).sup.2. The film is made by, among other steps, carrying out the orientation in the longitudinal and transverse directions such that the product of the longitudinal stretching ratio and the transverse stretching ratio is.gtoreq.60.

    摘要翻译： 制造双轴取向丙烯聚合物膜的方法在其单层（或者如果是其多层膜中在基底层中）含有低分子量树脂，并且该膜具有改善的拉伸性和其它所需的 物理性质，即使鞋底或底层的丙烯聚合物优选为均聚物。 所述膜的正庚烷不溶级分具有至少85至94％的通过13 C-NMR光谱法测量的链全同立构指数。 底层或底层含有少于10重量％的树脂。 该膜以拉伸强度在纵向和横向上的乘积大于50,000（N / mm 2）2的方式拉伸。 除了其他步骤之外，通过纵向和横向方向进行取向，使得纵向拉伸比和横向拉伸倍数的乘积为> 60°而制成薄膜。

    Opaque, matte, biaxially oriented, multilayer polypopylene film, process for the production thereof, and the use thereof
    45.
    发明授权
    Opaque, matte, biaxially oriented, multilayer polypopylene film, process for the production thereof, and the use thereof 失效
    不透明，无光泽，双轴取向，多层聚丙烯膜，其制造方法及其用途

    公开(公告)号：US5516563A

    公开(公告)日：1996-05-14

    申请号：US222953

    申请日：1994-04-05

    申请人： Detlef E. Schumann ,  Adolf Wilhelm ,  Ursula Murschall ,  Herbert Peiffer ,  Brigitte Kusch

    发明人： Detlef E. Schumann ,  Adolf Wilhelm ,  Ursula Murschall ,  Herbert Peiffer ,  Brigitte Kusch

    IPC分类号： B32B27/32 ,  C08J5/18 ,  C09J7/02 ,  B32B29/00

    CPC分类号： C08J5/18 ,  B32B27/32 ,  C09J7/0271 ,  C09J7/0296 ,  C08J2323/12 ,  C09J2201/162 ,  Y10T428/1303 ,  Y10T428/249953 ,  Y10T428/25 ,  Y10T428/2826 ,  Y10T428/31692 ,  Y10T428/31913

    摘要： The invention relates to an opaque, matte, multilayer polypropylene film. It includes at least one base layer comprising polypropylene or a polypropylene mixture and fillers, and at least one outer layer which contains a mixture or a blend of two components I and II. Component I essentially contains a propylene homopolymer or a copolymer of an .alpha.-olefin having 2 to 10 carbon atoms or a terpolymer of an .alpha.-olefin having 2 to 10 carbon atoms or a mixture of two or more of said homopolymers, copolymers and terpolymers or a blend of two or more of said homopolymers, copolymers and terpolymers. Component II essentially contains an HDPE having an MFI (50 N/190.degree. C.) of from greater than 1 to 50 g/10 min, measured in accordance with DIN 53 735, or a blend of two components A and B. Blend component A is essentially an HDPE having an MFI (50 N/190.degree. C.) of from greater than 1 to 50 g/10 min, measured in accordance with DIN 53 735. Blend component B is essentially a propylene homopolymer or a copolymer of an .alpha.-olefin having 2 to 10 carbon atoms or a terpolymer of an .alpha.-olefin having 2 to 10 carbon atoms or a mixture of two or more of said homopolymers, copolymers and terpolymers or a blend of two or more of said homopolymers, copolymers and terpolymers. The invention also relates to a process for the production of the multilayer polypropylene film and to the use of the film.

    摘要翻译： 本发明涉及不透明，无光泽的多层聚丙烯薄膜。 它包括至少一个包含聚丙烯或聚丙烯混合物和填料的基层，以及包含两种组分I和II的混合物或共混物的至少一个外层。 组分I基本上含有丙烯均聚物或具有2-10个碳原子的α-烯烃的共聚物或具有2-10个碳原子的α-烯烃的三元共聚物或两种或多种所述均聚物，共聚物和三元共聚物的混合物或 两种或更多种所述均聚物，共聚物和三元共聚物的共混物。 组分II基本上含有根据DIN 53735测量的具有大于1至50g / 10min的MFI（50N / 190℃）或两种组分A和B的共混物的HDPE。混合组分 A基本上是具有根据DIN 53735测量的大于1至50g / 10min的MFI（50N / 190℃）的HDPE。混合组分B基本上是丙烯均聚物或共聚物 具有2至10个碳原子的α-烯烃或具有2至10个碳原子的α-烯烃的三元共聚物或两种或更多种所述均聚物，共聚物和三元共聚物的混合物或两种或更多种所述均聚物，共聚物和 三元共聚物 本发明还涉及多层聚丙烯薄膜的制造方法和薄膜的使用。