公开(公告)号：US11840775B2

公开(公告)日：2023-12-12

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

CPC classification number: D01F6/30 ,  C08F210/06 ,  D01F8/06 ,  C08F2800/20

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 %.

公开(公告)号：US11814759B2

公开(公告)日：2023-11-14

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

CPC classification number: D04H1/43828 ,  D10B2321/021 ,  D10B2321/022

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.

公开(公告)号：US11708484B2

公开(公告)日：2023-07-25

申请号：US16758758

申请日：2018-11-05

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberto De Palo ,  Claudio Cavalieri

IPC: C08L23/16 ,  C08L23/14

CPC classification number: C08L23/16 ,  C08L23/14 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2205/03 ,  C08L2207/20

Abstract: A polyolefin composition made from or containing:
T1) 70-95 wt %, 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;
the sum of a1) and a2), being referred to the total weight of a1) and a2), being 100; and
T2) 5-30 wt % of a propylene ethylene copolymer containing from 2.0 wt % to 10.0 wt %; of ethylene derived units and having a melt flow rate (230° C./2.16 kg) ranging from 0.5 to 20.0 g/10 min, and having a fraction soluble in xylene at 25° C. lower than 20 wt %.

the sum of the amount of T1) and T2), being referred to the total weight of T1) and T2), being 100.

公开(公告)号：US11174379B2

公开(公告)日：2021-11-16

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 ,  C08L23/06 ,  C08L23/08 ,  C08L23/16

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.

公开(公告)号：US10767036B2

公开(公告)日：2020-09-08

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 ,  C08L23/08 ,  C08L23/14

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.

公开(公告)号：US12049713B2

公开(公告)日：2024-07-30

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: D01F8/06 ,  C08L23/12 ,  C08L23/14 ,  C08L23/20 ,  D01F6/46 ,  D04H1/4291 ,  D04H1/4382

CPC classification number: D01F8/06 ,  C08L23/12 ,  C08L23/142 ,  C08L23/20 ,  D01F6/46 ,  D04H1/4291 ,  D04H1/43828 ,  D04H1/43832 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2205/03 ,  D10B2321/022

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.

公开(公告)号：US10730238B2

公开(公告)日：2020-08-04

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 ,  C08L23/08 ,  C08L23/12 ,  C08L23/14 ,  C08L23/06 ,  C08F210/16 ,  B33Y30/00

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 propylenewherein 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.

公开(公告)号：US10385478B2

公开(公告)日：2019-08-20

申请号：US16094647

申请日：2017-03-20

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberto De Palo ,  Claudio Cavalieri

IPC: C08F10/02 ,  C08F10/06 ,  C08F210/02 ,  D01F6/30 ,  C08F210/06 ,  B33Y70/00 ,  B29C64/118 ,  B33Y30/00 ,  B33Y80/00 ,  C08F210/16

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.