公开(公告)号：US20160121580A1

公开(公告)日：2016-05-05

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 comprising 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.

Abstract translation: 至少包括：A）基本上由结晶低密度起始温度丙烯共聚物组成的皮肤（外部）层的多层膜（BOPP）结构; B）基本上由挠曲模量（MEF）为75MPa或更低的丁烯-1共聚物组成的粘结层; C）基本上由为BOPP设计的一种或多种聚丙烯均聚物组成的核心层。

公开(公告)号：US20210130515A1

公开(公告)日：2021-05-06

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: 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：US20200172642A1

公开(公告)日：2020-06-04

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: C08F10/08 ,  C08L23/08

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：US20210317347A1

公开(公告)日：2021-10-14

申请号：US17261109

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 ,  C09J5/06 ,  C09J11/08

Abstract: A polyolefin-based hot melt adhesive composition made from or containing: (A) 28-75 wt. % of a copolymer of butene-1 with Melt Flow Rate values, measured according to ISO 1133 (190° C., 2.16 kg), from 200 to 1500 g/10 min.; and (B) 25-72 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：US20210147587A1

公开(公告)日：2021-05-20

申请号：US16633191

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  STEFANO SPATARO ,  ROBERTA PICA

IPC: C08F10/08 ,  C09J123/20

Abstract: A butene-1 polymer having: a) a Melt Flow Rate value of from 100 to 300 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 0.70 dl/g; c) a Mw/Mn value equal to or lower than 2.8 and a lower limit of 1.5; d) a Mz value of 90,000 g/mol or higher; and e) optionally, a comonomer content of up to 10% by mole.

公开(公告)号：US20190322779A1

公开(公告)日：2019-10-24

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 ,  C08F10/08 ,  C08F4/6592 ,  C08F2/00 ,  C08L23/20 ,  C09J123/20 ,  C08F4/659

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：US20180346621A1

公开(公告)日：2018-12-06

申请号：US15574107

申请日：2016-05-24

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  STEFANO SPATARO ,  STEFANO PASQUALI ,  GIANLUCA MUSACCHI

IPC: C08F210/08 ,  C08F210/06 ,  C09K3/10 ,  B29C47/00 ,  B29C47/02 ,  B65D41/04

CPC classification number: C08L23/142 ,  B29C47/0004 ,  B29C47/0876 ,  B29C47/30 ,  C08L23/20 ,  C08L2205/025 ,  C08L23/14

Abstract: The present disclosure provides a gasket for closures made from or containing a polyolefin composition (I) made from or containing A) from about 25 to about 62% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole and without a melting peak detectable at the DSC at the second heating scan; B) from about 38 to about 75% 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 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 about 10° C. per minute.

公开(公告)号：US20220033543A1

公开(公告)日：2022-02-03

申请号：US17312570

申请日：2019-12-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： GIANLUCA MUSACCHI ,  ROBERTA MARCHINI ,  STEFANO SPATARO ,  STEFANO PASQUALI

IPC: C08F110/08 ,  C08K3/26 ,  D06N7/00

Abstract: A filled polyolefin composition made from or containing butene-1 copolymers having high melt flow and an inorganic filler. The compositions are useful for carpet backing.

公开(公告)号：US20210309892A1

公开(公告)日：2021-10-07

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

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：US20210130509A1

公开(公告)日：2021-05-06

申请号：US16633259

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  STEFANO SPATARO ,  ROBERTA PICA

IPC: C08F10/08 ,  C08F210/08 ,  C08F2/00 ,  C08F4/659 ,  C08F4/6592 ,  C08L23/20 ,  B01J19/00 ,  C09J123/20 ,  C08F210/16

Abstract: A butene-1 polymer composition having MFR values 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, 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; and 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).