PROPYLENE TERPOLYMER
    3.
    发明申请

    公开(公告)号:WO2020057974A1

    公开(公告)日:2020-03-26

    申请号:PCT/EP2019/073553

    申请日:2019-09-04

    摘要: A terpolymer compositions comprising: A) From 80 wt% to 97 wt%; of a propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt% to 3.2 wt%; ii) the content of 1-butene derived units ranging from 7.2 wt% to 14.8 wt% B) From 20 wt% to 3 wt%; of a propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt% to 3.2 wt%; ii) the content of 1-butene derived units ranging from 14.4 wt% to 26.5 wt%; and the terpolymer composition has the melt flow rate, MFR, measured according to ISO 1133 at 230 °C with a load of 2.16 kg, ranging from 3.0 g/10 min to 20.0 g/10 min; the sum of the amounts of A) and B) being 100 wt%.

    HETEROPHASIC PROPYLENE COPOLYMERS
    7.
    发明申请

    公开(公告)号:WO2018104092A1

    公开(公告)日:2018-06-14

    申请号:PCT/EP2017/080509

    申请日:2017-11-27

    IPC分类号: C08L23/12

    摘要: 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.

    POLYPROPYLENE COMPOSITION
    9.
    发明申请

    公开(公告)号:WO2022084033A1

    公开(公告)日:2022-04-28

    申请号:PCT/EP2021/077492

    申请日:2021-10-06

    摘要: A polypropylene composition comprising: A) from 76 wt% to 95 wt% of a propylene homopolymer having: - fraction soluble in xylene at 25°C comprised between 2.0 wt% and 4.5 wt%; - melt flow rate (MFR L according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) ranging from 60.0 to 110.0 g/10 min; B) from 5 wt% to 24 wt%, of a copolymer of propylene and ethylene containing from 75 wt% to 90.0 wt%, of ethylene derived units; wherein in the polypropylene composition: the content of ethylene derived units in the fraction soluble in xylene at 25°C is lower than - the content of ethylene derived units of component B) and ranges from 51.0 wt% to 74.0 wt%, the polypropylene composition has at least two melting points, the higher ranging from 156.0 °C to 166.0 °C and the lower ranging from 90.0 °C to 125.0°C; and the sum of the amounts of component A) and B) being 100 wt%.