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：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：US20240384080A1

公开(公告)日：2024-11-21

申请号：US18693834

申请日：2022-09-13

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Davide Tartari ,  Stefano Spataro ,  Alberto Nardin ,  Lelio Basile

IPC: C08L23/12

Abstract: A polypropylene composition made from or containing: A) from 90.6 wt % to 97.0 wt % of a propylene homopolymer having a melt flow rate between 40.0 g/10 min and 100.0 g/10 min; and B) from 3.0 wt % to 9.4 wt % of a propylene ethylene copolymer having an ethylene content ranging from 22 wt % to 38 wt %; wherein the polypropylene composition having: i) a xylene soluble fraction at 25° C. ranging from 5 wt % to 13.0 wt %; ii) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 0.3 wt % to 1.6 wt %; iii) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 13.2 wt % to 27.0 wt %; and (iv) a melt flow rate, MFR between 35.0 g/10 min and 70.0 g/10 min.

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：US11041033B2

公开(公告)日：2021-06-22

申请号：US16633185

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

IPC: C08F10/08 ,  C08L23/20 ,  C08F210/08 ,  C09J123/20 ,  C08F210/16

Abstract: A butene-1 polymer having: a) a Melt Flow Rate value of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg; b) an intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135° C. equal to lower than 0.95 dl/g; c) a Mw/Mn value equal to or lower than 3.5 and a lower limit of 1.5; d) a Mz value of 180,000 g/mol or higher; and e) optionally, a comonomer content of up to 10% by weight.

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.

公开(公告)号：US20240034870A1

公开(公告)日：2024-02-01

申请号：US18265919

申请日：2021-12-10

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Roberta Pica ,  Stefano Spataro

IPC: C08L23/22

CPC classification number: C08L23/22 ,  C08L2203/18

Abstract: A copolymer of butene-1 with hexene-1 having:



1) a content of hexene-1 comonomer units from 2 to 4% by weight, based upon the total weight of the copolymer; and
2) a melting temperature TmI equal to or higher than 115° C.

公开(公告)号：US11267911B2

公开(公告)日：2022-03-08

申请号：US16633241

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

IPC: C08L23/18 ,  C08L23/08 ,  C09J123/18 ,  C08F10/08 ,  C09J123/08 ,  C08L23/20 ,  C09J123/20

Abstract: A butene-1 polymer composition having a MFR value of from 100 to 300 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 one or more comonomers 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 one or more comonomers 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 75% by weight or less, determined on the total weight of A) and B).

公开(公告)号：US10814588B2

公开(公告)日：2020-10-27

申请号：US14896638

申请日：2014-05-06

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Michele Grazzi ,  Roberta Marchini ,  Giampaolo Pellegatti ,  Stefano Spataro

IPC: B32B7/12 ,  B32B27/08 ,  B32B27/32

Abstract: Multilayer film (BOPP) structure containing at least: A) a skin (outer) layer substantially consisting of a crystalline low seal Initiation temperature propylene copolymer; B) a tie layer substantially consisting of a butene-1 copolymer having flexural modulus (MEF) of 75 MPa or less; C) a core layer substantially consisting of one or more polypropylene homopolymers designed for BOPP.