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    PROPYLENE POLYMER FIBERS
    1.
    发明申请
    PROPYLENE POLYMER FIBERS 有权

    公开(公告)号：US20220306848A1

    公开(公告)日：2022-09-29

    申请号：US17616854

    申请日：2020-05-18

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  JAUME MARTI PORQUERES ,  RENAUD LEMAIRE ,  CLAUDIO CAVALIERI

    IPC: C08L23/12 ,  B29C48/00

    Abstract: A process for preparing fibers made from or containing propylene homopolymer having: a melting point ranging from 150° C. to 164° C.; a fraction soluble in xylene at 25° C. between 6.0 wt % and 2.0 wt %; a fraction soluble in acetone 25° C. between 0.5 wt % and 2.0 wt %; a ratio fraction soluble in xylene at 25° C./fraction soluble in acetone 25° C. between 0.30 and 0.60; a polydispersity index ranging from 2.8 to 4.5; and a melt flow rate (ISO 1133, 230° C./2.16 kg) between 2 to 40 g/10 min.

    COMPOSITIONS OBTAINED FROM RECYCLED POLYOLEFINS
    2.
    发明申请
    COMPOSITIONS OBTAINED FROM RECYCLED POLYOLEFINS 审中-公开

    公开(公告)号：US20200339794A1

    公开(公告)日：2020-10-29

    申请号：US16758526

    申请日：2018-11-05

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI

    IPC: C08L23/10 ,  C08L23/08 ,  C08L23/16 ,  C08L23/06

    Abstract: A polyolefin composition made from or containing:T1) 70-95 wt %, of a polyolefin component containing: a1) from 30 wt % to 70 wt % of a propylene based polymer; and a2) from 30 wt % to 70 wt % of an ethylene based polymer; and T2) 5-30 wt % of a polyolefin component containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing 0.1-20% by weight of C3-C8 alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene containing 25-75% by weight of ethylene units.

    POLYOLEFIN COMPOSITION FOR FIBERS
    3.
    发明申请
    POLYOLEFIN COMPOSITION FOR FIBERS 审中-公开

    公开(公告)号：US20200165424A1

    公开(公告)日：2020-05-28

    申请号：US16629104

    申请日：2018-06-20

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： MONICA GALVAN ,  CLAUDIO CAVALIERI ,  JAUME MARTI PORQUERES ,  RENAUD LEMAIRE ,  ROBERTO DE PALO

    IPC: C08L23/12 ,  C08L23/14 ,  C08L23/08

    Abstract: A polyolefinic fiber made from or containing from 2 wt % to 20 wt % relative to the total weight of the fiber of a polyolefin composition made from or containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 20-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units and containing 25% by weight or less of a fraction soluble in xylene at 25° C.; and C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units and containing from 40% to 95% by weight of a fraction soluble in xylene at 25° C.; the amounts of (A), (B) and (C) being referred to the total weight of (A)+(B)+(C), the sum of the amount of (A)+(B)+(C) being 100.

    PROPYLENE BASED FILAMENT FOR 3D PRINTER
    5.
    发明申请
    PROPYLENE BASED FILAMENT FOR 3D PRINTER 审中-公开

    公开(公告)号：US20190112732A1

    公开(公告)日：2019-04-18

    申请号：US16094647

    申请日：2017-03-20

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI

    IPC: D01F6/30 ,  C08F210/06

    CPC classification number: D01F6/30 ,  B29C64/118 ,  B33Y30/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/12

    Abstract: The present disclosure provides a filament for use in an extrusion-based additive manufacturing system made from or containing a propylene ethylene copolymer having: ethylene derived units content ranging from about 3.0 wt % to about 12.0 wt %, based upon the weight of the propylene ethylene copolymer; MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from about 4 to about 20 g/10 min; and xylene solubles measured at 25° C. from about 3 wt % to about 30 wt %, based upon the weight of the propylene ethylene copolymer. The disclosure further provides an extrusion-based additive manufacturing system made from or containing the filament as well as 3D printed articles prepared from the system.

    FIBER COMPRISING PROPYLENE ETHYLENE RANDOM COPOLYMER
    6.
    发明申请
    FIBER COMPRISING PROPYLENE ETHYLENE RANDOM COPOLYMER 有权

    公开(公告)号：US20220228298A1

    公开(公告)日：2022-07-21

    申请号：US17617325

    申请日：2020-05-26

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  DAVIDE TARTARI ,  MONICA GALVAN ,  CLAUDIO CAVALIERI ,  ISABELLA MARIA VITTORIA CAMURATI

    IPC: D01F6/30 ,  C08F210/06 ,  D01F8/06

    Abstract: A fiber of a propylene ethylene copolymer having: i) xylene soluble fraction at 25° C. ranging from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 1.0 to 2.4 dl/g; iii) melt flow rate, MFR, ranging from 12 g/10 min to 60 g/10 min; iv) an ethylene derived units content ranging from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content of the fraction insoluble in xylene at 25° C. ranging from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content of the fraction soluble in xylene at 25° C. ranging from 15.2. wt % to 30.2 wt % vii) C13 NMR sequences PEP measured on the fraction insoluble in xylene at 25° C. ranging from 3.5 mol % to 5.5 mol %; and viii) the C13 NMR sequences PEP measured on the fraction soluble in xylene at 25° C. ranging from 11.0 mol % to 14.2 mol %.

    POLYOLEFIN FIBRES
    7.
    发明申请
    POLYOLEFIN FIBRES 有权

    公开(公告)号：US20220106717A1

    公开(公告)日：2022-04-07

    申请号：US17312280

    申请日：2019-12-17

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  GIANLUCA MUSACCHI ,  RENAUD LEMAIRE ,  JAUME MARTI PORQUERES

    IPC: D04H1/44 ,  D04H1/4382 ,  D04H1/4291

    Abstract: A polyolefin composition for preparing fibers, made from or containing: A) 60-95% by weight of a propylene homo- or copolymer; and B) 5-40% by weight of a copolymer of butene-1 or a butene-1 polymer composition having: a Melt Flow Rate value of from 5 to 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg; a copolymerized comonomer content from 4% to 15% by mole, referred to the total weight of B); a Mw/Mn value equal to or lower than 4; and flexural modulus of 80 MPa or higher.

    CORE-SKIN FIBER COMPRISING PROPYLENE ETHYLENE RANDOM COPOLYMER
    8.
    发明申请
    CORE-SKIN FIBER COMPRISING PROPYLENE ETHYLENE RANDOM COPOLYMER 有权

    公开(公告)号：US20220251745A1

    公开(公告)日：2022-08-11

    申请号：US17617427

    申请日：2020-05-26

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  RENAUD LEMAIRE ,  JAUME MARTI PORQUERES

    IPC: D04H1/4382

    Abstract: A skin-core fiber having a skin of a propylene ethylene copolymer having: i) xylene soluble fraction from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. from 1.0 to 2.4 dl/g; iii) melt flow rate, MFR, from 12 g/10 min to 60 g/10 min; iv) an ethylene derived units content from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content of the fraction insoluble in xylene from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content of the fraction soluble in xylene ranging from 15.2. wt % to 30.2 wt %; vii) C13 NMR sequences PEP on the fraction insoluble in xylene from 3.5 mol % to 5.5 mol %; and viii) C13 NMR sequences PEP on the fraction soluble in xylene from 11.0 mol % to 14.2 mol %; and a core of a polyethylene having a density between 0.940 g/cm3 to 0.975 g/cm3.

    PLATE COMPRISING A POLYOLEFIN COMPOSITION FOR 3D PRINTER
    9.
    发明申请
    PLATE COMPRISING A POLYOLEFIN COMPOSITION FOR 3D PRINTER 审中-公开

    公开(公告)号：US20190283322A1

    公开(公告)日：2019-09-19

    申请号：US16339101

    申请日：2017-09-22

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI ,  MONICA GALVAN

    IPC: B29C64/245 ,  C08L23/14 ,  C08L23/12 ,  C08L23/08

    Abstract: A plate for use in an extrusion-based additive manufacturing system made from or containing a top layer made from or containing a sheet or film made from or containing polyolefin composition A) made from or containing(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 wherein the amounts of (i), (ii) and (iii) being referred to the total weight of (i)+(ii)+(iii) and the sum of the amount of (i), (ii) and (iii) being 100.

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