公开(公告)号：US20240002646A1

公开(公告)日：2024-01-04

申请号：US18037224

申请日：2021-11-03

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Marco Izzi ,  Gianluca Musacchi

IPC: C08L23/14 ,  C08J5/18

CPC classification number: C08L23/14 ,  C08J5/18 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2203/162 ,  C08J2323/14 ,  C08J2423/06 ,  C08J2423/20

Abstract: A 1-butene copolymer composition made from or containing:



A) from 75.0 wt % to 95.0 wt % of a polymer composition (A) made from or containing
A1) from 56 wt % to 77 wt % of a propylene ethylene copolymer;
A2) from 15 wt % to 32 wt % of a low density polyethylene; and
A3) from 4 wt % to 17 wt % of a 1-butene homopolymer,

wherein the sum of the amounts of A1, A2, and A3 being 100 wt %; and

B) from 5.0 wt % to 25.0 wt % of a copolymer of 1-butene and ethylene containing from 2.8 wt % to 4.2 wt % of ethylene derived units, based upon the total weight of the copolymer of 1-butene and ethylene,

wherein the sum of the amounts of A) and B) being 100 wt %.

公开(公告)号：US10793655B2

公开(公告)日：2020-10-06

申请号：US16087731

申请日：2017-03-23

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Stefano Pasquali ,  Gianluca Musacchi

IPC: C08L23/20 ,  C08F210/16 ,  B65D53/06 ,  C09K3/10 ,  C08F210/02 ,  C08F210/08 ,  B65D53/00

Abstract: The present disclosure provides a polyolefin composition made from or containing: A) from about 60 to about 89% by weight based upon the total weight of the polyolefin composition of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole based upon the molar composition of the copolymer, and no melting peak detectable at the DSC at the second heating scan; and B) from about 11 to about 40% by weight based upon the total weight of the polyolefin composition of an ethylene polymer having density of from about 0.900 to about 0.970 g/cm3, measured according to ISO 1183 at 23° C.; wherein the amounts of A) and B) are referred to the total weight of A)+B) and the DSC second heating scan is carried out with a heating rate of 10° C. per minute. The composition is useful for preparing gaskets.

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：US20240043672A1

公开(公告)日：2024-02-08

申请号：US18266068

申请日：2021-12-10

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Riccardo Fioravanti ,  Mara Destro ,  Gianluca Musacchi

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08L2201/10 ,  C08L2205/24

Abstract: A polyolefin composition having high transparency, made from or containing:



A) a propylene polymer, alternatively a heterophasic polyolefin composition made from or containing the propylene polymer and an ethylene copolymer;
B) from 0.01% to 2% by weight of a butene-1 polymer; and
C) a clarifying agent;
wherein the amounts are referred to the total weight of A)+B)+C).

公开(公告)号：US20250051973A1

公开(公告)日：2025-02-13

申请号：US18717910

申请日：2022-12-05

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Gianni Perdomi ,  Gianluca Musacchi ,  Fabio Di Pietro

IPC: D01F8/06 ,  C08L23/12 ,  C08L23/20

Abstract: A stretched polyolefin filament, having elongation at break EB of equal to or higher than 80% and a ratio SR/EB, where SR is the stretching ratio, of equal to or lower than 45, made from or containing: a polyolefin composition (I), made from or containing A) from 40% to 78% by weight of a propylene polymer; B) from 22% to 60% by weight of a butene-1 polymer having: 1) a flexural modulus value from 100 to 800 MPa; 2) a ratio MI10/MI2 of from 20 to 40; and 3) a content of fraction soluble in xylene at 0° C. of 15% by weight or lower; wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20250043464A1

公开(公告)日：2025-02-06

申请号：US18717886

申请日：2022-12-05

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Gianni Perdomi ,  Gianluca Musacchi ,  Fabio Di Pietro

IPC: D01F6/06 ,  C08L23/12

Abstract: A stretched polyolefin filament, having elongation at break EB of equal to or higher than 90% and a ratio SR/EB, where SR is the stretching ratio, of equal to or lower than 75, made from or containing: a polyolefin composition (I), made from or containing A) from 80% to 95% by weight of a propylene polymer; B) from 5% to 20% by weight of a butene-1 polymer having: 1) a flexural modulus value from 100 to 800 MPa; 2) a ratio MI10/MI2 of from 20 to 40; and 3) a content of fraction soluble in xylene at 0° C. of 15% by weight or lower; wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20230383103A1

公开(公告)日：2023-11-30

申请号：US18032778

申请日：2021-10-11

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Gianluca Musacchi ,  Roberta Marchini ,  Fabio Di Pietro

IPC: C08L23/04

CPC classification number: C08L23/04 ,  C08L2201/52 ,  C08L2207/066 ,  C08L2205/02

Abstract: A polyolefin composition made from or containing:



A) from 88% to 99% by weight of an ethylene polymer having MIP of equal to or higher than 5 g/10 min, where MIP is the melt flow index at 190° C. with a load of 5 kg, determined according to 1133-2:2011; and
B) from 1% to 12% by weight of a butene-1 polymer having MIE of equal to or higher than 800 g/10 min., where MIE is the melt flow index at 190° C. with a load of 2.16 kg, determined according to 1133-2:2011;
wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20230183462A1

公开(公告)日：2023-06-15

申请号：US17925421

申请日：2021-05-18

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Gianluca Musacchi ,  Stefano Pasquali

IPC: C08L23/20 ,  C08K3/22

CPC classification number: C08L23/20 ,  C08K3/22 ,  C08K2003/2224 ,  C08K2201/005 ,  C08L2201/02 ,  C08L2203/202

Abstract: A polyolefin composition made from or containing:
a) from 85% to 98% by weight of a composition made from or containing:



A) a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to 18% by mole and no melting peak detectable at the DSC at the second heating scan; and
B) an inorganic filler;
wherein the B)/A) weight ratio being from 0.3 to 4; and

b) from 2% to 15% by weight of an additional polyolefin different from A).

公开(公告)号：US10214640B2

公开(公告)日：2019-02-26

申请号：US15536052

申请日：2015-11-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Stefano Pasquali ,  Gianluca Musacchi

IPC: C08L23/20 ,  B65D41/04

Abstract: The present disclosure provides a polyolefin composition made from or containing: A) from about 63 to about 78% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole and no melting peak detectable at the DSC at the second heating scan; B) from about 22 to about 37% by weight of (i) a propylene homopolymer, or (ii) a propylene copolymer, or (iii) a mixture of two or more of (i) and (ii), having a melting temperature Tm, measured by DSC at the second heating scan, of from about 130° C. to about 165° C.; wherein (i) the amounts of A) and B) are referred to the total weight of A)+B) and (ii) having a melting enthalpy ΔHfus, measured by DSC at the second heating scan, of from 7 to 30 J/g.