公开(公告)号：US20150329711A1

公开(公告)日：2015-11-19

申请号：US14654309

申请日：2013-11-25

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Michele Grazzi ,  Fabiana Fantinel ,  Giampaolo Pellegatti ,  Letizia Baraldi

IPC: C08L23/04 ,  C08J5/18

CPC classification number: C08L23/04 ,  B29C48/022 ,  B29C49/0005 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2205/025

Abstract: Polyethylene composition with improved balance of mechanical and optical properties, comprising (all percentages being by weight): A) from 90 to 99.7% of a LLDPE having a density from 0.91 to 0.94 g/cm3 and a ratio MIF/MIE equal to or higher than 20, where MIF is the melt flow index at 190° C. with a load of 21.60 kg, and MIE is the melt flow index at 190° C. with a load of 2.16 kg, both determined according to ISO 1133; B) from 0.3 to 10% of a LDPE having MIE from 0.1 to 0.6 g/10 min.

Abstract translation: 具有改善的机械和光学性能平衡的聚乙烯组合物，其包含（所有百分比均为重量百分比）：A）90至99.7％的密度为0.91至0.94g / cm 3的LLDPE和MIF / MIE的比例等于或高于 其中MIF是在190℃下的熔体流动指数，负荷为21.60kg，MIE是在190℃下的熔体流动指数，负荷为2.16kg，均根据ISO 1133确定; B）0.3至10％的MIE为0.1至0.6g / 10min的LDPE。

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：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.