PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    11.
    发明申请
    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS 审中-公开
    制备异构丙烯聚合物组合物的方法

    公开(公告)号:WO2013072225A1

    公开(公告)日:2013-05-23

    申请号:PCT/EP2012/071974

    申请日:2012-11-07

    Abstract: A processfor the preparation of propylene polymer compositions comprising from 50 to 90 % by weight of a propylene (co)polymer fraction insoluble in xylene at 25°C, and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25°C, said process comprising: (i)a first step of polymerizing propylene in the optional presence of ethylene and/or C 4 - C 10 alpha olefins, to produce a propylene (co)polymer being for at least 85% by weight insoluble in xylene at 25°C; and (ii)a successive step, carried out in gas-phase, in the presence of the product coming from step (i), of copolymerizing a mixture of ethylene with one or more α-olefins CH 2 =CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce an ethylene copolymer; the process being carried out in the presence of a catalyst system comprising: the product obtained by contacting: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two internal electron donor compounds one of which being present in an amount from 35 to 90% by mol with respect to the total amount of donors and being selected from succinates and the other being selected from 1,3-diethers, the total amount of internal electron donor compounds being lower than 14.0% by weight with respect to the total weight of the solid catalyst component; with (b) an aluminum hydrocarbyl compound, and optionally with (c) an external electron donor compound.

    Abstract translation: 一种制备丙烯聚合物组合物的方法,其包含50至90重量%的在25℃下不溶于二甲苯的丙烯(共)聚合物部分和10至50重量%在25℃下可溶于二甲苯的乙烯共聚物部分 ℃,所述方法包括:(i)在乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯的第一步骤,以产生不溶于二甲苯的至少85重量%的丙烯(共)聚合物 在25°C; 和(ii)在来自步骤(i)的产物存在下,在气相中进行共聚合乙烯与一种或多种α-烯烃CH 2 = CHR的混合物的连续步骤,其中R是烃 具有1-10个碳原子的基团,以制备乙烯共聚物; 该方法在催化剂体系存在下进行,该催化剂体系包括:通过使(a)包含卤化镁的固体催化剂组分,至少具有Ti-卤素键的钛化合物和至少两个内部电子给体 其中一种相对于供体总量为35至90摩尔%,其中一种选自琥珀酸酯,另一种选自1,3-二醚,内给电子体化合物的总量为 相对于固体催化剂组分的总重量低于14.0重量% 与(b)铝烃基化合物,和任选与(c)外电子给体化合物。

    POLYOLEFIN COMPOSITIONS
    12.
    发明申请
    POLYOLEFIN COMPOSITIONS 审中-公开
    聚烯烃组合物

    公开(公告)号:WO2013057226A1

    公开(公告)日:2013-04-25

    申请号:PCT/EP2012/070708

    申请日:2012-10-19

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

    Abstract: A polyolefm 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: 聚烯烃组合物,其包含:A)77重量%至90重量%的丙烯均聚物,其在25℃下可溶于二甲苯的馏分低于2重量%; 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; 所述组合物具有在230℃下的熔体流动速率(MFR)的值,2.16kg的0.5至4.5g / 10min的值; - 乙烯的总含量为10重量%至18重量%; - 在25℃(AMXSIVtot)下可溶于二甲苯的总馏分的特性粘度的值小于1.5dl / g。

    PROPYLENE-BASED TERPOLYMERS FOR FIBERS
    14.
    发明申请
    PROPYLENE-BASED TERPOLYMERS FOR FIBERS 审中-公开
    用于纤维的基于丙烯的三元共聚物

    公开(公告)号:WO2012143485A1

    公开(公告)日:2012-10-26

    申请号:PCT/EP2012/057229

    申请日:2012-04-20

    CPC classification number: D01F6/06 D01F6/30 D01F8/06

    Abstract: A fiber comprising a terpolymer containing propylene, ethylene and an alpha olefin of formula CH2=CHZ wherein Z is an hydrocarbon group having from 2 to 10 carbon atoms, wherein: (i) the content of ethylene derived units ranges from 0.5 wt% to 5.0 wt%; (ii) the content of alpha olefin derived units ranges from 1.0 wt% to 5.0 wt%; (iii) the amount (Wt%) of alpha-olefin (C6), the amount (Wt%) of ethylene (C2) and the melting point (Tm) of the terpolymer fulfil the following relation: Tm>157-6*(C2+0.8C6) (iv) the melt flow rate (MFR) (ISO 1133 230°C, 2.16 kg) ranges from 10 to 100 g/10 min.

    Abstract translation: 包含含有丙烯,乙烯和式CH 2 = CHZ的α-烯烃的三元共聚物的纤维,其中Z是具有2-10个碳原子的烃基,其中:(i)乙烯衍生单元的含量为0.5wt%至5.0 %(重量); (ii)α-烯烃衍生单元的含量范围为1.0重量%至5.0重量%; (iii)α-烯烃(C6)的量(Wt%),乙烯(C2)的量(Wt%)和三元共聚物的熔点(Tm)满足以下关系:Tm> 157-6 *( C2 + 0.8C6)(iv)熔体流动速率(MFR)(ISO 1133±230℃,2.16kg)为10〜100g / 10分钟。

    PRESSURE PIPES AND POLYOLEFIN COMPOSITION FOR THE MANUFACTURE THEREOF
    15.
    发明申请
    PRESSURE PIPES AND POLYOLEFIN COMPOSITION FOR THE MANUFACTURE THEREOF 审中-公开
    压力管和聚烯烃组合物的制造

    公开(公告)号:WO2010072841A1

    公开(公告)日:2010-07-01

    申请号:PCT/EP2009/067925

    申请日:2009-12-24

    Abstract: Articles, particularly pressure pipes, having high strength as well as high stiffness and very good impact resistance even at low temperatures can be obtained by using a heterophasic polyolefϊn composition comprising (percent by weight) 70-90% of a random copolymer of propylene with 0.5-6% of 1-hexene, and 10-30% of a polymer of ethylene with a C 3 -C 10 α- olefϊn and optionally a diene, wherein the polymer of ethylene has an ethylene content higher than 45% and an intrinsic viscosity [η] value from 3 to 5 dl/g. A particular advantage of the present invention is that articles comprising the above heterophasic polyolefϊn composition show a low ductile to brittle transition temperature (DBTT).

    Abstract translation: 可以通过使用包含(重量%)70-90%的丙烯无规共聚物的异相聚烯烃组合物来获得具有高强度以及高刚度以及高耐冲击性的制品,特别是压力管, 具有0.5-6%的1-己烯和10-30%的乙烯与C 3 -C 10α-烯烃和任选的二烯的聚合物,其中乙烯的聚合物具有高于45%的乙烯含量和 特性粘度[η]值为3〜5dl / g。 本发明的一个特别的优点是包含上述多相聚烯烃组合物的制品显示出较低的延性至脆性转变温度(DBTT)。

    PROPYLENE ETHYLENE COPOLYMER
    17.
    发明申请

    公开(公告)号:WO2023025622A1

    公开(公告)日:2023-03-02

    申请号:PCT/EP2022/072854

    申请日:2022-08-16

    Abstract: A propylene ethylene copolymer having: i) xylene soluble fraction at 25°C ranging from 30 wt% to 48 wt%; ii) intrinsic viscosity of the fraction soluble in xylene at 25°C ranging from 2.8 to 4.3 dl/g; iii) melt flow rate, MFR, measured according to ISO 1133 at 230 °C with a load of 2.16 kg, ranging from 0.2 g/10 min to 10 g/10 min; iv) an ethylene derived units content ranging from 10.3 wt% to 15.4 wt% v) the ethylene derived units content on the fraction insoluble in xylene at 25°C ranging from 6.1 wt% to 9.0 wt%; vi) the ethylene derived units content on the fraction soluble in xylene at 25°C ranging from 18.2. wt% to 30.2 wt%; vii) the 13C-NMR sequences PEP measured on the fraction insoluble in xylene at 25°C ranging from 4.1mol% to 6.5mol% and the 13C-NMR sequences PEP measured on the fraction soluble in xylene at 25°C ranging from 10.5 mol% to 14.2 mol%.

    PROPYLENE-BASED COMPOSITION FOR PIPES
    19.
    发明申请

    公开(公告)号:WO2021058264A1

    公开(公告)日:2021-04-01

    申请号:PCT/EP2020/074772

    申请日:2020-09-04

    Abstract: A polyolefin composition comprising a first heterophasic polyolefin polymer A) comprising a crystalline propylene homopolymer matrix, a propylene ethylene copolymer having an ethylene content ranging from 20.0 wt% up to 35.0 wt%, a propylene ethylene copolymer having an ethylene content ranging from 55.0 wt% up to 70.0 wt%, and a second heterophasic polyolefin polymer B) comprising a crystalline propylene homopolymer matrix, a propylene ethylene copolymer having an ethylene content ranging from 40.0 wt% up to 50.0 wt%, and an ethylene exolefin copolymer having an ethylene content ranging from 65.0 wt% up to 85.0 wt%.

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