中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

761 records (took 0.165 seconds)

    PROPYLENE POLYMER COMPOSITIONS
    31.
    发明申请
    PROPYLENE POLYMER COMPOSITIONS 审中-公开

    公开(公告)号：US20190338065A1

    公开(公告)日：2019-11-07

    申请号：US16093491

    申请日：2017-03-17

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： PAOLA MASSARI ,  MARCO CIARAFONI ,  NICOLETTA MARTINI ,  DAVIDE TARTARI ,  ROBERTO PANTALEONI

    IPC: C08F297/08

    Abstract: The present disclosure provides a propylene composition made from or containing A) from 60 wt % to 75 wt %, of a propylene homopolymer having a Polydispersity Index (P.I.) value from 4.3 to 4.9, a fraction insoluble in xylene at 25° C., higher than 95%, based upon the weight of the propylene homopolymer, and MFR (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) ranging from 20 to 75 g/10 min; B) from 25 wt % to 40 wt %, of a copolymer of propylene with from 46.0 wt % to 49.0 wt %; of ethylene derived units, based upon the weight of the propylene copolymer; wherein the propylene polymer composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 2.9 dl/g; and the relation: 10.7+1.3×MFRa−17.7×P.I.−29.3×IV+4.9×Xs  (I) between about 40 to about 66; wherein MFRa is the melt flow rate of the component A); P.I. is the polydispersity index of component A); IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.; and Xs is the fraction soluble in xylene at 25° C.; and wherein the amount of A+B is equal to 100 wt %.

    FILLED POLYOLEFIN COMPOSITION
    32.
    发明申请
    FILLED POLYOLEFIN COMPOSITION 审中-公开

    公开(公告)号：US20190284384A1

    公开(公告)日：2019-09-19

    申请号：US16463097

    申请日：2017-11-06

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： THOMAS MECKLENBURG ,  KLAUS KLEMM ,  ERIK HANS LICHT ,  JUERGEN ROHRMANN ,  PAOLA MASSARI ,  MARA DESTRO ,  MARCO CIARAFONI

    IPC: C08L23/20 ,  B29C45/00

    Abstract: A polyolefin composition made from or containing: (A) from 97.0 to 45.0 wt % of a propylene-1-hexene random copolymer, (B) from 2.0 to 50.0 wt % of fibers, and (Q) from 0.3 wt % to 5.0 wt % of a compatibilizer, the sum (A)+(B)+(Q) being 100, wherein (i) the copolymer has a content of 1-hexene derived units ranging from 0.6 wt % to 3.0 wt % with respect to the copolymer, (ii) the copolymer has the melt flow rate (MFR) measured according to the method ISO 1133 (230° C., 2.16 kg) ranging from 0.2 up to 40 g/10 min, (iii) the fibers are selected from the group consisting of glass fibers, carbon fibers, metal fibers, mineral fibers, ceramic fibers, and polymer fibers.

    LLDPE-containing impact modifier polyolefin composition
    33.
    发明授权
    LLDPE-containing impact modifier polyolefin composition 有权

    公开(公告)号：US10385199B2

    公开(公告)日：2019-08-20

    申请号：US15738782

    申请日：2016-06-22

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Claudio Cavalieri ,  Michele Grazzi ,  Roberto Pantaleoni

    IPC: C08L23/16 ,  C08L23/20 ,  C08F210/16

    Abstract: Polyolefin compositions made from or containing:(A) about 5 to about 35% by weight of a propylene-based polymer containing about 90% by weight or more of propylene units and containing about 10% by weight or less of a fraction soluble in xylene at 25° C. (XSA);(B) about 25 to about 50% by weight, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from about 0.1% to about 15% by weight of alpha-olefin units and containing about 75% by weight or less of a fraction soluble in xylene at 25° C. (XSB); and(C) about 30 to about 60% by weight, of a copolymer of ethylene and propylene containing from about 45% to about 75% by weight of ethylene units and containing from about 55% to about 95% by weight, of a fraction soluble in xylene at 25° C. (XSC).

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    34.
    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.

    Propylene polymer compositions
    35.
    发明授权
    Propylene polymer compositions 有权

    公开(公告)号：US10323141B2

    公开(公告)日：2019-06-18

    申请号：US14385019

    申请日：2013-03-12

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Mara Destro ,  Marco Ciarafoni ,  Paola Massari ,  Stefano Squarzoni

    IPC: C08L23/16 ,  C08L23/14

    Abstract: Propylene polymer compositions comprising: A) from 70 wt % to 95 wt %, of a random copolymer of propylene with ethylene, containing from 3.5 wt % to 8.5 wt %, of ethylene derived units, having a content of fraction soluble in xylene at 25° C. comprised between 7.1 wt % and 15.2 wt % and having a melting point higher than 142.0° C.; B) from 5 wt % to 35 wt %, of a copolymer of propylene with ethylene, containing from 8.5 wt % to 17.0 wt % of ethylene derived units; the sum A+B being 100; the melt flow rate, MFR (ISO 1133 (230° C., 2.16 kg).) from 0.6 g/10 min to 20.2 g/10 min.

    Propylene based terpolymers
    37.
    发明授权
    Propylene based terpolymers 有权

    公开(公告)号：US10072109B2

    公开(公告)日：2018-09-11

    申请号：US14898049

    申请日：2014-05-06

    Applicant: BASELL POLYOLEFINE ITALIA S.R.L.

    Inventor： Mara Destro ,  Marco Ciarafoni ,  Paola Massari ,  Tiziana Caputo ,  Thomas Bohm

    IPC: B32B27/08 ,  C08F210/06 ,  B65D65/38

    CPC classification number: C08F210/06 ,  B65D65/38 ,  C08F210/02 ,  C08F210/08 ,  C08F2500/12

    Abstract: The present technology relates to container comprising a propylene, ethylene, 1-butene terpolymer wherein in the terpolymer: i) the content of ethylene derived units ranges from 0.5 wt % to 1.8 wt %; ii) the content of 1-butene derived units ranges from 3.5 wt % to 6.5 wt %; iii) the ratio C2 wt %/C4 wt % ranges from 0.12 to 0.22; wherein C2 wt % is the weight percentage of ethylene derived units, and C4 wt % is the weight percentage of 1-butene derived units; iv) the total content of ethylene and 1-butene derived units is comprised between 4.2 wt % and 7.5 wt %; v) the melt flow rate (MFR measured according to ISO 1133, 230° C., 2.16 kg) ranges from 20 to 80 g/10 min; vi) the xylene soluble fraction at 25° C. is lower than 7.0 wt %; and vii) the melting point is higher than 140° C.

Patent Agency Ranking