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    COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS
    1.
    发明申请
    COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS 有权

    公开(公告)号：US20210309676A1

    公开(公告)日：2021-10-07

    申请号：US17267601

    申请日：2019-07-25

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： SIMONA GUIDOTTI ,  DARIO LIGUORI ,  GIAMPIERO MORINI ,  GIANNI VITALE

    IPC: C07F7/28 ,  C08F210/06 ,  C07F3/02 ,  C07F9/94

    Abstract: A solid catalyst component for the polymerization of olefins CH2═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, made from or containing Mg, Ti, Bi, halogen and an electron donor obtained from a process including the steps:
    (a) dissolving a Mg(OR)2 compound wherein R groups, equal to or different from each other, are C1-C15 hydrocarbon groups optionally containing a heteroatom selected from O, N and halogen, in an organic liquid medium, thereby forming a first liquid mixture; (b) contacting the first liquid mixture (a) with TiCl4, thereby forming a second liquid mixture absent a solid phase, and (c) subjecting the second liquid mixture (b) to conditions, whereby solid catalyst particles are formed, wherein (i) a Bi compound and (ii) a bidentate electron donor compound are present in one or more of steps (a) to (c) and/or contacted with the solid catalyst particles obtained from (c).

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    2.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开

    公开(公告)号：US20190248930A1

    公开(公告)日：2019-08-15

    申请号：US16337779

    申请日：2017-09-25

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： SIMONA GUIDOTTI ,  TIZIANO DALL'OCCO ,  DARIO LIGUORI ,  GIAMPIERO MORINI

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F210/16 ,  C08F2410/01 ,  C08F210/08 ,  C08F2500/12 ,  C08F4/651 ,  C08F4/6494 ,  C08F4/6567

    Abstract: A process for the preparation of a solid catalyst component for the homo or copolymerization of olefins, wherein the solid catalyst component is made from or contains Mg, Ti, halogen and an electron donor selected from cycloalkyl ethers, wherein the process includes the steps of (a) dissolving a Mg based compound and a TiCl3 based compound in a liquid medium further made from or containing a cycloalkyl ether and a compound of formula R2OH where R2 is a C1-C20 hydrocarbon group, in which the Ti/Mg molar ratio ranges from 0.1 to 0.5, the cycloalkyl ether/Mg ratio ranges from 1 to 4 and the ROH/Mg molar ratio ranges from 1 to 4; and (b) adding, to the solution coming from step (a), SiCl4 in an amount such that the R2OH/SiCl4 molar ratio ranges from 0.5 to 1.5 and maintaining the temperature in the range 50-150° C. thereby precipitating the solid catalyst component particles.

    HETEROPHASIC PROPYLENE COPOLYMERS
    9.
    发明申请
    HETEROPHASIC PROPYLENE COPOLYMERS 有权

    公开(公告)号：US20220298343A1

    公开(公告)日：2022-09-22

    申请号：US17642277

    申请日：2020-08-31

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： FABRIZIO PIEMONTESI ,  ALESSANDRO MIGNOGNA ,  DARIO LIGUORI ,  GIAMPIERO MORINI ,  GIANNI VITALE

    IPC: C08L23/12

    Abstract: A polypropylene composition made from or containing: A) from 60 to 90 wt %, based upon the total weight of the polypropylene composition, of a fraction insoluble in xylene at 25° C., is made from or containing more than 80% wt of propylene units, and B) from 10 to 40 wt %, based upon the total weight of the polypropylene composition, of a fraction soluble in xylene at 25° C. is made from or containing a copolymer of propylene and ethylene having an average content of ethylene derived units from 30.0 wt % to 55.0 wt %, wherein the fraction when subjected to GPC fractionation and continuous IR analysis for determining the ethylene content of the eluted fractions (GPC-IR analysis), shows that the content of ethylene increases along with the Mw for fractions having Mw higher than the average.

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