公开(公告)号：US10160848B2

公开(公告)日：2018-12-25

申请号：US15778974

申请日：2016-11-08

Applicant: BASELL POLYOLEFINE GmbH

Inventor： Claudio Cavalieri ,  Michele Grazzi

IPC: C08L23/08 ,  C08J5/18

Abstract: A polyolefin composition made from or containing: A) from 55 to 75 wt % of a polyethylene having a density of 0.920 to 0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than 10%, based upon the weight of the polyethylene; B) from 25 to 45 wt. % of a copolymer of ethylene with one or more comonomers selected from α-olefins having formula HC2═CHRI, where RI is an alkyl radical, linear or branched, having from 1 to 8 carbon atoms, made from or containing from 50 to 70 wt. %, based upon the weight of the copolymer of ethylene, of ethylene and having a fraction soluble in xylene (XSB) of at least about 50 wt. %, based upon the weight of the copolymer of ethylene; the polyolefin composition having a flexural modulus of less than 260 MPa as measured according to ISO 178. The polyolefin composition is useful for producing geomembranes.

公开(公告)号：US09738778B2

公开(公告)日：2017-08-22

申请号：US14407204

申请日：2013-06-19

Applicant: Basell Polyolefine GmbH

Inventor： Fabiana Fantinel ,  Bodo Richter ,  Shahram Mihan ,  Massimo Covezzi ,  Claudio Cavalieri ,  Michele Grazzi

IPC: C08L23/12 ,  C08F4/619 ,  C08F4/6592 ,  C08F4/70 ,  C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08J5/18

CPC classification number: C08L23/12 ,  C08F4/61912 ,  C08F4/61916 ,  C08F4/65927 ,  C08F4/7042 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/06 ,  C08J2423/12 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2314/06 ,  C08L2314/08 ,  Y10T428/139 ,  C08F210/16 ,  C08F2/001 ,  C08F4/61904 ,  C08L23/08 ,  C08L23/142 ,  C08F210/06 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21 ,  C08L23/06

Abstract: A two steps polymerization process for obtaining a polyolefin composition comprising: a) from 25 wt % to 70 wt % of a propylene homopolymer or a propylene-ethylene copolymer containing from 0.1 wt % to 10 wt % of ethylene derived units; b) from 27 wt % to 70 wt % of a copolymer of ethylene and at least one C3-C20 alpha olefins, wherein the ethylene derived units content ranges from 15 wt % to 70 wt %; c) from 3 wt % to 20 wt % of polyethylene homopolymer or an ethylene and at least one C3-C20 alpha olefins copolymer; the sum a)+b)+c) being 100, wherein said process comprises: step a) contacting under polymerization conditions propylene, optionally ethylene and the catalyst system in order to obtain component a), step b) contacting under polymerization conditions ethylene and at least one C3-C20 alpha-olefins and the catalyst system in order to obtain components b) and c); wherein the catalyst system comprises a metallocene compound and an iron complex.

公开(公告)号：US10087318B2

公开(公告)日：2018-10-02

申请号：US15313503

申请日：2015-04-28

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Claudio Cavalieri ,  Michele Grazzi ,  Roberto Pantaleoni

IPC: C08L23/12 ,  C08L23/06 ,  C08L23/08

Abstract: Ethylene polymer composition comprising, all percent amounts being by weight: A) 30-60% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 40-70% of a copolymer of ethylene with at least one olefin of formula HC2═CHR, where R is a alkyl radical, linear or branched, having from 2 to 8 carbon atoms, containing 65-90% of ethylene and 55-15% of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B), the intrinsic viscosity [η] of the XSB fraction ranging from 0.8 to 3.2 dl/g; wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20150166778A1

公开(公告)日：2015-06-18

申请号：US14407204

申请日：2013-06-19

Applicant: Basell Polyolefine GmbH

Inventor： Fabiana Fantinel ,  Bodo Richter ,  Shahram Mihan ,  Massimo Covezzi ,  Claudio Cavalieri ,  Michele Grazzi

IPC: C08L23/12 ,  C08J5/18

CPC classification number: C08L23/12 ,  C08F4/61912 ,  C08F4/61916 ,  C08F4/65927 ,  C08F4/7042 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/06 ,  C08J2423/12 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2314/06 ,  C08L2314/08 ,  Y10T428/139 ,  C08F210/16 ,  C08F2/001 ,  C08F4/61904 ,  C08L23/08 ,  C08L23/142 ,  C08F210/06 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/21 ,  C08L23/06

Abstract: A two steps polymerization process for obtaining a polyolefin composition comprising: a) from 25 wt % to 70 wt % of a propylene homopolymer or a propylene-ethylene copolymer containing from 0.1 wt % to 10 wt % of ethylene derived units; b) from 27 wt % to 70 wt % of a copolymer of ethylene and at least one C3-C20 alpha olefins, wherein the ethylene derived units content ranges from 15 wt % to 70 wt %; c) from 3 wt % to 20 wt % of polyethylene homopolymer or an ethylene and at least one C3-C20 alpha olefins copolymer; the sum a)+b)+c) being 100, wherein said process comprises: step a) contacting under polymerization conditions propylene, optionally ethylene and the catalyst system in order to obtain component a), step b) contacting under polymerization conditions ethylene and at least one C3-C20 alpha-olefins and the catalyst system in order to obtain components b) and c); wherein the catalyst system comprises a metallocene compound and an iron complex.

Abstract translation: 一种用于获得聚烯烃组合物的两步聚合方法，包括：a）25重量％至70重量％的丙烯均聚物或含有0.1重量％至10重量％乙烯衍生单元的丙烯 - 乙烯共聚物; b）27重量％至70重量％的乙烯和至少一种C 3 -C 20α-烯烃的共聚物，其中乙烯衍生单元含量为15重量％至70重量％; c）3重量％至20重量％的聚乙烯均聚物或乙烯和至少一种C 3 -C 20α-烯烃共聚物; 总和a）+ b）+ c）为100，其中所述方法包括：步骤a）在聚合条件下丙烯，任选的乙烯和催化剂体系接触以获得组分a），步骤b）在聚合条件下使乙烯和 至少一种C 3 -C 20α-烯烃和催化剂体系以获得组分b）和c）; 其中所述催化剂体系包含茂金属化合物和铁络合物。

公开(公告)号：US10087317B2

公开(公告)日：2018-10-02

申请号：US15313482

申请日：2015-04-28

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Claudio Cavalieri ,  Michele Grazzi ,  Roberto Pantaleoni

IPC: C08L23/06 ,  C08F210/02 ,  C08L23/08

Abstract: Ethylene polymer composition having a fusion enthalpy ΔHfus, measured by Differential Scanning Calorimetry with a heating rate of 20° C. per minute, of 60 J/g or more, comprising, all percent amounts being by weight: A) 25-55% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 45-75% of a copolymer of ethylene and propylene containing from 45% to 70%, of ethylene and 60% or more of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B); wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US09873783B2

公开(公告)日：2018-01-23

申请号：US15320584

申请日：2015-06-17

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Claudio Cavalieri ,  Michele Grazzi ,  Roberto Pantaleoni

IPC: C08L23/06 ,  C08L23/08 ,  C08L23/16 ,  C08F2/00

CPC classification number: C08L23/06 ,  C08F2/001 ,  C08L23/0815 ,  C08L23/16 ,  C08L2203/202

Abstract: The present disclosure relates to an ethylene polymer composition having an eta (0.01) equal to or higher than 35,000 Pa·s, comprising: A) 25-75% by weight of an ethylene polymer selected from ethylene homopolymers, copolymers of ethylene with 10% or less of one or more olefin comonomers, and mixtures of the homopolymers and copolymers; B) 25-75% by weight of a copolymer of ethylene and propylene comprising 45-70% by weight of ethylene; wherein eta (0.01) is the complex shear viscosity at an angular frequency of 0.01 rad/s, measured with dynamic oscillatory shear in a plate-plate rotational rheometer at a temperature of 200° C., and the amounts of A) and B) refer to the total weight of A)+B).