公开(公告)号：US09321913B2

公开(公告)日：2016-04-26

申请号：US14352868

申请日：2012-10-19

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marzolla ,  Monica Galvan ,  Angelo Ferraro

IPC: C08L23/00 ,  C08L23/12 ,  C08L23/08

CPC classification number: C08L23/12 ,  C08L23/0815 ,  C08L2666/06

Abstract: A polyolefin compositions comprising: A) From 77 wt % to 90 wt %, of a propylene homopolymer having the fraction soluble in xylene at 25° C. lower than 2 wt %; B) from 10 wt % to 23 wt % of a copolymer of ethylene with one C4-C10 alpha-olefin containing from 20 wt % to 30 wt %, of said C4-C10 alpha-olefin derived units; said composition having the value of melt flow rate (MFR) at 230° C., 2.16 kg of from 0.5 to 4.5 g/10 min; the total content of ethylene of from 10 wt % to 18 wt %; the value of the intrinsic viscosity of the total fraction soluble in Xylene at 25° C. (AMXSIVtot) is less than 1.5 dl/g.

Abstract translation: 一种聚烯烃组合物，其包含：A）77重量％至90重量％的在25℃下可溶于二甲苯的级分低于2重量％的丙烯均聚物; B）10重量％至23重量％的乙烯与一种含有20重量％至30重量％的所述C 4 -C 10α-烯烃衍生单元的C 4 -C 10α-烯烃的共聚物; 所述组合物在230℃下的熔体流动速率（MFR）值为2.16kg，为0.5-4.5g / 10min; 乙烯的总含量为10重量％至18重量％; 在25℃下可溶于二甲苯的总馏分的特性粘度（AMXSIVtot）的值小于1.5dl / g。

公开(公告)号：US20150284488A1

公开(公告)日：2015-10-08

申请号：US14436412

申请日：2013-10-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Monica Galvan ,  Andreas Neumann ,  Tiziana Caputo ,  Stefano Squarzoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

IPC: C08F210/06

CPC classification number: C08F210/06 ,  C08F4/651 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/26

Abstract: A process for the preparation of random copolymer of propylene containing up to 6.0% by weight of ethylene units, suitable for the manufacture of pipes, by copolymerizing propylene and ethylene in the presence of a catalyst system comprising the product obtained by contacting the following components:(a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers,(b) an aluminum hydrocarbyl compound, and(c) optionally an external electron donor compound.

Abstract translation: 一种制备含有至多6.0重量％乙烯单元的丙烯无规共聚物的方法，该乙烯单元通过在包含通过接触以下组分获得的产物的催化剂体系存在下共聚丙烯和乙烯来制备管道： （a）固体催化剂组分，其包含卤化镁，至少具有Ti-卤素键的钛化合物和至少两种电子给体化合物，其中一种以相对于总量为40至90摩尔％的量存在 选自琥珀酸盐，另一种选自1,3-二醚，（b）铝烃基化合物，和（c）任选的外电子给体化合物。

公开(公告)号：US20150191852A1

公开(公告)日：2015-07-09

申请号：US14408023

申请日：2013-06-13

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Monica Galvan ,  Andreas Neumann ,  Roberto Pantaleoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

IPC: D01F6/06 ,  D04H3/016 ,  D04H3/007 ,  B29C47/00 ,  D04H3/16

Abstract: Fibers comprising a polypropylene obtainable by a process comprising the steps of: (i) polymerizing propylene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound, to obtain a polypropylene precursor having a melt flow rate MFR1; (ii) subjecting the thus-obtained polypropylene precursor to visbreaking to obtain a visbroken polypropylene having a melt flow rate MFR2; (iii) spinning the visbroken polypropylene obtained in the previous step; wherein MFR2 is comprised between from 15 to 40 g/10 min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFR1 and MFR2 being measured according to ISO method 1133 (230° C., 2.16 kg).

Abstract translation: 包含聚丙烯的纤维包括以下步骤：（i）在催化剂体系存在下聚合丙烯，所述催化剂体系包含通过使以下组分接触获得的产物：（a）固体催化剂组分，其包含卤化镁，钛化合物 具有至少一个Ti-卤素键和至少两个电子给体化合物，其中一种以相对于供体总量为40-90％摩尔量存在，选自琥珀酸盐，另一种选自1， 3个二醚，（b）铝烃基化合物和（c）任选的外电子给体化合物，得到熔体流动速率MFR 1的聚丙烯前体; （ii）将由此获得的聚丙烯前体进行减粘裂化以得到熔体流动速率MFR 2的减粘裂化聚丙烯; （iii）纺丝上一步获得的耐磨破坏聚丙烯; 其中MFR 2在15至40g / 10min之间，MFR 2 / MFR 1的比率在8和18之间，MFR 1和MFR 2均根据ISO方法1133（230℃，2.16kg）测量。

公开(公告)号：US20150087770A1

公开(公告)日：2015-03-26

申请号：US14402262

申请日：2013-05-21

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marzolla ,  Monica Galvan ,  Tiziana Caputo

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08F210/16 ,  C08J5/18 ,  C08J2323/12 ,  C08J2323/14 ,  C08L23/14 ,  C08L23/142 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/26

Abstract: A propylene, ethylene, 1-butene terpolymer containing from 0.5 wt % to 2.2 wt % of ethylene derived units and from 6.0 wt % to 20.0 wt % of 1 butene derived units; wherein: i) the ratio C2 wt %/C4 wt % ranges from 0.09 to 0.06; wherein C2 wt % is the weight per cent of ethylene derived units and C4 wt % is the weight per cent of 1-butene derived units; ii) the Melt flow rate ranges from 0.4 to 54 g/10 min; iii) the xylene soluble fraction at 25° C. is lower than 15.0 wt % the minimum value being 5.0 wt %.

Abstract translation: 含有0.5重量％至2.2重量％的乙烯衍生单元和6.0重量％至20.0重量％的1-丁烯衍生单元的丙烯，乙烯，1-丁烯三元共聚物; 其中：i）C2重量％/ C4重量％的比率范围为0.09至0.06; 其中C2重量％是乙烯衍生单元的重量百分比，C4重量％是1-丁烯衍生单元的重量百分数; ii）熔体流动速率范围为0.4至54g / 10min; iii）25℃下的二甲苯可溶级分低于15.0wt％，最小值为5.0wt％。