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    HETEROPHASIC PROPYLENE COPOLYMERS
    155.
    发明公开
    HETEROPHASIC PROPYLENE COPOLYMERS 审中-公开

    公开(公告)号：EP3548556A1

    公开(公告)日：2019-10-09

    申请号：EP17801737.2

    申请日：2017-11-27

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： CATHELIN, Caroline ,  MASSARI, Paola ,  CAVALIERI, Claudio ,  CIARAFONI, Marco ,  PANTALEONI, Roberto

    IPC: C08L23/12

    Abstract: A film comprising a polypropylene composition comprising: A) from 50 wt% to 90 wt%; of a propylene homopolymer; B) from 10 wt% to 50wt%; of a copolymer of propylene with from 30.0 wt% to 70.0wt%, of ethylene derived units; the sum of the amount of component A) and B) being 100; the composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 2.2 and 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 0.5 to 50 g/10 min; iii) a xylene soluble fraction ranging from 20 wt% to 50 wt%; the polypropylene composition being obtained by a two steps polymerization process wherein the catalyst system contains bismuth.

    FILM FOR STRETCH HOOD APPLICATIONS
    158.
    发明公开
    FILM FOR STRETCH HOOD APPLICATIONS 审中-公开

    公开(公告)号：EP3463873A1

    公开(公告)日：2019-04-10

    申请号：EP17727798.5

    申请日：2017-05-09

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： GALVAN, Monica ,  PERDOMI, Gianni ,  CAVALIERI, Claudio

    IPC: B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  B65B53/00

    Abstract: A multilayer blow film for stretch hood comprising one or more layers comprising a polyolefin composition comprising: from 20 wt% to 80 wt% of Component A) and from 20 wt% to 80 wt% of Component B); wherein component A) is an ethylene copolymer and Component B) is a polyolefin composition comprising: (i) 5-35% by weight; of a propylene homopolymer or a propylene ethylene copolymer (ii) 20-50% by weight; of a copolymer of ethylene and a C3-C8 alpha-olefin; and (iii) 30-60% by weight of a copolymer of ethylene and propylene.

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