公开(公告)号：EP2089469A1

公开(公告)日：2009-08-19

申请号：EP07821742.9

申请日：2007-10-24

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： GOBERTI, Paolo ,  PELLEGATTI, Giampaolo ,  BARALDI, Letizia

IPC: C08L23/08 ,  C08L23/10 ,  C08L23/16 ,  C08L23/14 ,  C08L23/12

CPC classification number: C08F210/06 ,  C08F110/06 ,  C08L23/0815 ,  C08L23/083 ,  C08L23/10 ,  C08L23/12 ,  C08L23/142 ,  C08L23/16 ,  C08L2205/02 ,  C08F2/001 ,  C08L2666/06 ,  C08F210/16 ,  C08F2500/12

Abstract: A polyolefin composition comprising, in percent by weight: A) 20-35% of a propylene homopolymer or copolymer with up to 8% of comonomer(s); B) 65-80% of a copolymer of ethylene and (i) propylene or (ii) CH2=CHR alpha- olefins, where R is a 2-8 carbon alkyl radical, or (iii) a combination thereof, optionally with minor amounts of a diene, containing from 40 to less than 54% of ethylene; wherein the weight ratio B/XS of the content B of copolymer component (B) to the fraction XS soluble in xylene at room temperature, both referred to the total weight of (A) + (B), is of 1.25 or less.

公开(公告)号：EP1836258A1

公开(公告)日：2007-09-26

申请号：EP05825269.3

申请日：2005-12-07

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： BIGIAVI, Daniele ,  PELLEGATTI, Giampaolo ,  SPATARO, Stefano

IPC: C08L23/20 ,  C08L23/10

CPC classification number: C08L23/10 ,  B32B27/08 ,  B32B27/32 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/7242 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/75 ,  B32B2439/46 ,  B32B2439/70 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08J2323/20 ,  C08L23/20 ,  C08L2666/06

Abstract: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their high permeability to oxygen, carbon dioxide and water vapour, are obtained from polyolefin composition comprising (percentage by weight): A) 5 % to 80 % of a butene-1 polymer or polymer composition containing from 0 % to 25 % of one or more comonomers selected from ethylene and alpha-olefÊns different from 1-butene, provided that, when ethylene only is present as comomomer, the amount of ethylene is higher than 4 % and a copolymer fraction (i) containing at least 6.2 % of ethylene is present, said polymer or polymer composition having a content of fraction soluble in xylene at 0°C of from 50 % to 100 % and a Flexural Modulus (measured according to ISO 178) from 15 to 300 MPa; B) 20 % to 95 % of a propylene homopolymer or copolymer having a content of fraction insoluble in xylene at room temperature of 93 % or more.

公开(公告)号：EP1761600A1

公开(公告)日：2007-03-14

申请号：EP05716283.6

申请日：2005-03-22

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： PELLICONI, Anteo ,  GARAGNANI, Enea ,  PELLEGATTI, Giampaolo ,  ANGELINI, Antonella

IPC: C08L23/14 ,  C08L23/16 ,  C08F2/00

CPC classification number: C08J3/226 ,  C08F110/06 ,  C08F210/06 ,  C08J2323/04 ,  C08J2423/00 ,  C08L23/04 ,  C08L23/10 ,  C08L23/12 ,  C08L23/142 ,  C08L23/16 ,  C08L91/00 ,  C08L2205/02 ,  C08L2205/035 ,  C08L2308/00 ,  C08L2310/00 ,  C08L2314/02 ,  C08L23/00 ,  C08L2666/02 ,  C08L2666/06 ,  C08F2500/12 ,  C08F2500/17 ,  C08F210/16

Abstract: A masterbatch composition comprising (percent by weight): A) 15%-50% of a polypropylene component having a melt flow rate of from 1 to 250 g/10 min.; and B) 50%-85% of an olefin polymer partially soluble in xylene at room temperature, containing from 60% to 85% by weight of ethylene; said masterbatch composition having (i) a value of the intrinsic viscosity [rl] of the fraction soluble in xylene at room temperature ([rl]SOl) equal to or lower than 2.9 dl/g, and (ii) a value of the ratio MFR / [TI],,,, equal to or lower than 4, is added to polyolefin materials to obtain final compositions suitable for injection molding.

Abstract translation: 一种母料组合物，包含（重量百分比）：A）15％-50％的熔体流动速率为1-250g / 10min的聚丙烯组分; 和B）50％-85％的在室温下部分溶于二甲苯的烯烃聚合物，其含有60-85重量％的乙烯; 所述母料组合物具有（i）等于或低于2.9dl / g的在室温下溶于二甲苯的部分的特性粘数[rl]（[r1] SO1），和（ii） MFR / [TI] ,,,,等于或小于4）加入到聚烯烃材料中以获得适用于注塑的最终组合物。

公开(公告)号：EP1680468A1

公开(公告)日：2006-07-19

申请号：EP04798761.5

申请日：2004-11-03

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： BERTA, Dominic, A. ,  PELLEGATTI, Giampaolo

IPC: C08L23/10

CPC classification number: C08L23/10 ,  C08L23/0815 ,  C08L23/14 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2666/04 ,  C08L2666/02

Abstract: A propylene polymer composition comprising the following components: a) from 50% to 90% by weight of a propylene homopolymer or a propylene copolymer containing up to 5% by mol of derived units of C2-C20 alpha-olefins, having the following features: (i) a polydispersity index PI>3; (ii) melt flow rate (MFR), as measured at 230°C under a load of 2.16 kg, MFR>1 dg/min; and (iii) fraction soluble in xylene at 25°C (XSRT)>1% b) from 5% to 25% by weight a copolymer of ethylene and one or more derived units of C4-C20 alpha-olefins having the following features: (i) content of ethylene derived units higher than 50% by mol and lower than 92% by mol; (ii) intrinsic viscosity (IV) higher than 1.2 dL/g and lower than 6 dL/g; (iii) density ranging from 0.850 to 0.890 g/cm3; and (iv) a crystallinity content, expressed as the enthalpy of fusion, lower than 62 J/g c) from 5% to 25% by weight of a copolymer of propylene and ethylene having the following features: (i) content of propylene derived units higher than 50% by mol and lower than 92% by mol; (ii) intrinsic viscosity (IV) higher than 2 dL/g and lower than 6 dL/g; (iii) density ranging from 0.850 to 0.890 g/cm3; (iv) the value of the product of reactivity ratios rlxr2 lower than 2; and (v) a crystallinity content, expressed as the enthalpy of fusion, lower than 45 J/g wherein the weight ratio between the ethylene copolymer (component b) and the sum of component b) and component c) is equal to or higher than 0.5 and less than or equal to 0.9.

Abstract translation: 一种丙烯聚合物组合物，其包含以下组分：a）按重量计50％至90％的丙烯均聚物或含至多5％摩尔衍生单元的C 2 -C 20α-烯烃的丙烯共聚物，其具有以下特征： （i）多分散指数PI> 3; （ii）在230℃和2.16kg的负荷下测量的MFR> 1dg / min的熔体流动速率（MFR）; 和（iii）25℃下可溶于二甲苯的部分（XSRT）> 1％b）5％至25％重量的乙烯与一种或多种C4-C20α-烯烃衍生单元的共聚物，其具有以下特征： （i）乙烯衍生单元的含量高于50摩尔％且低于92摩尔％; （ii）特性粘度（IV）高于1.2dL / g且低于6dL / g; （iii）密度为0.850-0.890g / cm 3; 和（iv）以5重量％至25重量％的丙烯与乙烯的共聚物表示的具有以下特征的结晶度含量，以熔融焓表示，低于62J / gc）：（i）丙烯衍生单元 高于50摩尔％且低于92摩尔％; （ii）特性粘度（IV）高于2dL / g且低于6dL / g; （iii）密度为0.850-0.890g / cm 3; （iv）反应性比率rlxr2的乘积的值低于2; 和（v）以熔融焓表示的结晶度含量低于45J / g，其中乙烯共聚物（组分b）与组分b）和组分c）之和的重量比等于或高于 0.5且小于或等于0.9。