Polypropylene compositions with low fogging

    公开(公告)号:US10781304B2

    公开(公告)日:2020-09-22

    申请号:US16308199

    申请日:2017-06-20

    Applicant: BOREALIS AG

    Abstract: Polypropylene composition comprising (A) 60 to 95 wt % of a heterophasic polypropylene (HECO) comprising 10 to 30 wt % of dispersed phase with the dispersed phase having a comonomer content of 30 to 45 wt % and the HECO having a melt flow rate MFRPP in the range of 12 to 200 g/10 min and being prepared in the presence of a Ziegler Natta catalyst (ZN-C), (B) 0 to 15 wt % of one or more elastomers, (C) 5 to 20 wt % of at least one filler wherein the polypropylene composition fulfils inequation (1) fogging≤0.02 MFRComp+0.3. The composition allows for a well-balanced combination of a good impact/stiffness balance, a good scratch resistance, low VOC and FOG emissions and remarkable good fogging values.

    Crosslinkable polyolefin composition

    公开(公告)号:US10723874B2

    公开(公告)日:2020-07-28

    申请号:US16466888

    申请日:2017-12-15

    Applicant: BOREALIS AG

    Abstract: The present invention relates to crosslinkable polyolefin compositions, to a process for their preparation, to crosslinked compositions such as foams, sealants or adhesives and shaped articles, and their use in food packaging, textile packaging and technical and protection films. The crosslinkable polyolefin composition comprises one or more polyolefin polymers A, a hydrolysable silane functional polyolefin polymer B prepared from monomers comprising olefin monomers a) and silane functional compound(s) b), wherein the silane functional polyolefin polymer B is grafted onto the one or more polyolefin polymers A. The crosslinkable polyolefin compositions is crosslinkable by moisture.

    Process for producing propylene polymer compositions

    公开(公告)号:US10233271B2

    公开(公告)日:2019-03-19

    申请号:US15578599

    申请日:2016-06-10

    Applicant: BOREALIS AG

    Abstract: The present invention relates to a process for producing polypropylene polymer composition by polymerizing propylene with a C4 to C8 a-olefin comonomer and with ethylene in a sequential polymerization process with at least two reactors connected in series in the presence of a solid Ziegler-Natta catalyst component being free of external carrier material and any phthalic compounds, and wherein the C4 to C8 a-olefin comonomer content in the propylene polymer composition is at least 4.5 wt-%.

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