公开(公告)号：US20250051546A1

公开(公告)日：2025-02-13

申请号：US18719153

申请日：2022-12-12

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Michele Grazzi ,  Roberta Marchini

IPC: C08K5/25 ,  C08J3/20 ,  C08K3/34

Abstract: A process for producing a polybutene-1 composition including the step of:
blending A) from 99.5 to 99.9% by weight, with respect to the total weight of A)+B), of a butene-1 polymer which is brought to a molten state or maintained in a molten state during the blending step; and B) from 0.1 to 0.5% by weight, with respect to the total weight of A)+B), of an alkanoyl hydrazine; wherein the resulting polybutene-1 composition, having a crystallization temperature TcC satisfying the following relation: T c C ≥ T c A + 5 where TcA is the crystallization temperature of the butene-1 polymer A).

公开(公告)号：US20230287203A1

公开(公告)日：2023-09-14

申请号：US18018491

申请日：2021-07-28

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Silvia Guerra ,  Roberta Marchini ,  Stefano Spataro

IPC: C08L23/20 ,  C08K3/36

CPC classification number: C08L23/20 ,  C08K3/36 ,  C08K2201/003 ,  C08L2203/18

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



A) from 97.5% to 99.85% by weight, with respect to the total weight of A) and B), of a butene-1 polymer or polymer composition;
B) from 0.15% to 2.5% by weight, with respect to the total weight of A) and B), of talc in form of particles having a volume-based particle diameter distribution Dv (0.95) of 45 μm or lower; and, optionally
C) from 0.01% to 2% by weight of an ethylene polymer,

wherein the amount of C) being referred to the total weight of A)+B)+C), amounts to 100%.

公开(公告)号：US09249289B2

公开(公告)日：2016-02-02

申请号：US14380578

申请日：2013-02-12

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Paolo Ferrari ,  Luca Lunghi ,  Roberta Marchini ,  Stefano Spataro ,  Giampaolo Pellegatti ,  Caroline Cathelin ,  Stefano Pasquali

IPC: C08L23/22 ,  B29C47/00 ,  C08L23/20 ,  C08F210/08 ,  F16J15/10 ,  B29L31/00 ,  B29L31/26 ,  B29K23/00

CPC classification number: C08L23/22 ,  B29C47/0004 ,  B29C47/0023 ,  B29C47/003 ,  B29K2023/08 ,  B29K2023/14 ,  B29K2995/007 ,  B29L2031/005 ,  B29L2031/006 ,  B29L2031/265 ,  C08F210/08 ,  C08L23/20 ,  C08L2205/03 ,  F16J15/102 ,  C08L23/142 ,  C08F10/00 ,  C08F4/64 ,  C08F210/16 ,  C08F2500/20 ,  C08F2500/12 ,  C08F2500/08 ,  C08F2500/21 ,  C08F2500/15 ,  C08F2500/03

Abstract: Extruded or molded profiles comprising a polyolefin composition consisting of 85% by weight or more of a copolymer of 1-butene with ethylene (A) having an ethylene copolymerized content up to 18% by mol, and having Mw/Mn lower than 3, hardness shore A (measured according to ISO 868) lower than 90, no melting point (TmII) detectable at the DSC after cancelling the thermal history, melting enthalpy (ΔHf), measured by DSC after 10 days of aging at room temperature, comprised between 4 and 15 J/g; and up to 15% by weight of a propylene copolymer or a composition of copolymers of propylene (B) having a melting point from about 126° C. to 200° C., isotactic index greater than 90%.

Abstract translation: 挤出或模塑型材包括由85重量％以上的1-丁烯与乙烯共聚物（A）共聚物含量高达18摩尔％，Mw / Mn低于3的聚烯烃组合物，硬度 海岸A（根据ISO868测量）低于90℃，在DSC上消除热历史后可检测到的熔点（TmII），在室温下老化10天后通过DSC测量的熔融焓（＆Dgr; Hf）包括 4至15 J / g; 和至多15重量％的丙烯共聚物或丙烯（B）的共聚物的组合物，其熔点为约126℃至200℃，全同立构指数大于90％。

公开(公告)号：US20240141153A1

公开(公告)日：2024-05-02

申请号：US18280880

申请日：2022-03-03

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Monica Galvan ,  Roberta Marchini ,  Michele Grazzi ,  Claudio Cavalieri

IPC: C08L23/14 ,  C08J5/18 ,  C08L23/08 ,  C08L23/16

CPC classification number: C08L23/142 ,  C08J5/18 ,  C08L23/0815 ,  C08L23/16 ,  C08J2323/14 ,  C08J2323/16 ,  C08J2323/22 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/03

Abstract: A polymer composition made from or containing:



A) from 70 wt % to 95 wt % of a propylene-based polymer composition made from or containing:
a) from 15 wt % to 35 wt % of a copolymer of propylene and 1-hexene containing from 6.2 to 8.5% by weight, of 1-hexene derived units;
b) from 15 wt % to 35 wt % of a copolymer of propylene and 1-hexene containing from 10.4 wt % to 14.5 wt %, of 1-hexene derived units; and
c) from 38 wt % to 68 wt % of a propylene ethylene copolymer,
wherein the sum of the amount of a), b), and c) being 100; and
B) from 5.0 wt % to 30.0 wt % of a copolymer of 1-butene and ethylene containing from 3.0 wt % to 4.2 wt % of ethylene derived units;

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

公开(公告)号：US10894850B2

公开(公告)日：2021-01-19

申请号：US16312474

申请日：2017-07-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Emanuele Burgin ,  Roberta Pica

IPC: C08F210/08 ,  C08F2/00 ,  C08F4/6592 ,  C08F10/08 ,  C08L23/20 ,  C09J123/20 ,  C08F2/38 ,  C08F4/659 ,  C08F210/16

Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 60% by weight or less, determined on the total weight of A) and B).

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：US12012527B2

公开(公告)日：2024-06-18

申请号：US17261100

申请日：2019-07-15

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Silvia Guerra ,  Stefano Pasquali ,  Ankur Rastogi ,  Stefano Spataro

IPC: C09J123/20 ,  C08L23/20 ,  C09J123/08 ,  C08L23/08

CPC classification number: C09J123/20 ,  C08L23/0815 ,  C08L23/20 ,  C09J123/0815

Abstract: A polyolefin-based hot melt adhesive composition made from or containing



(A) 25-75 wt. % of a copolymer of butene-1 with a Melt Flow Rate, measured according to ISO 1133 (190° C., 2.16 kg), higher than 1500; and
(B) 75-25 wt. % of at least one additional component selected from the group consisting of waxes, resins, plasticizers, additional polymers and mixtures thereof,
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).