HDPE-CONTAINING IMPACT MODIFIER POLYOLEFIN COMPOSITION
    4.
    发明申请
    HDPE-CONTAINING IMPACT MODIFIER POLYOLEFIN COMPOSITION 审中-公开
    含HDPE的冲击改性剂聚烯烃组合物

    公开(公告)号:WO2016207235A1

    公开(公告)日:2016-12-29

    申请号:PCT/EP2016/064450

    申请日:2016-06-22

    Abstract: Polyolefin compositions comprising: (A) 5-35% by weight of a propylene-based polymer containing 90% by weight or more of propylene units and containing 10% by weight or less of a fraction soluble in xylene at 25°C (XS A ); (B) 25-50% by weight, of an ethylene homopolymer containing 5% by weight or less of a fraction soluble in xylene at 25°C (XS B ) referred to the weight of (B); and (C) 30-60% by weight, of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units and containing from 55% to 95% by weight, of a fraction soluble in xylene at 25°C (XS C ). The composition has 20% by weight or less of a fraction obtained in the second fractionation step in a preparative fractionation method.

    Abstract translation: 聚烯烃组合物,其包含:(A)5-35重量%的含有90重量%以上丙烯单元并含有10重量%以下的在25℃下可溶于二甲苯的馏分(XSA)的丙烯类聚合物, ; (B)25-50重量%的以25重量%(XSB)表示的可溶于二甲苯的馏分的5重量%以下的乙烯均聚物(B)的重量; 和(C)30-60重量%的乙烯和丙烯的共聚物,其含有25重量%至75重量%的乙烯单元,并且含有55重量%至95重量%的在25℃下可溶于二甲苯的馏分 C(XSC)。 该组合物在制备分馏方法中,在第二分馏步骤中得到的馏分的重量比为20重量%以下。

    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    5.
    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。

    PROPYLENE TERPOLYMER
    6.
    发明申请

    公开(公告)号:WO2020057974A1

    公开(公告)日:2020-03-26

    申请号:PCT/EP2019/073553

    申请日:2019-09-04

    Abstract: A terpolymer compositions comprising: A) From 80 wt% to 97 wt%; of a propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt% to 3.2 wt%; ii) the content of 1-butene derived units ranging from 7.2 wt% to 14.8 wt% B) From 20 wt% to 3 wt%; of a propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt% to 3.2 wt%; ii) the content of 1-butene derived units ranging from 14.4 wt% to 26.5 wt%; and the terpolymer composition has the melt flow rate, MFR, measured according to ISO 1133 at 230 °C with a load of 2.16 kg, ranging from 3.0 g/10 min to 20.0 g/10 min; the sum of the amounts of A) and B) being 100 wt%.

    PROPYLENE POLYMER COMPOSITIONS
    7.
    发明申请
    PROPYLENE POLYMER COMPOSITIONS 审中-公开
    丙烯聚合物组合物

    公开(公告)号:WO2017178191A1

    公开(公告)日:2017-10-19

    申请号:PCT/EP2017/056391

    申请日:2017-03-17

    Abstract: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25 °C, higher than 90 %, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 47 to 90 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 40% to 34.5% extremes included of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 3 and 5 dl/g.

    Abstract translation: 丙烯组合物,其包含(重量百分比):A)70%-95%的多分散指数(PI)值为4.6-10的丙烯均聚物,不溶于二甲苯 25℃,高于90%,并且MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg载荷)为47至90g / 10min; B)5%-30%的含有40%至34.5%极端值的丙烯共聚物,包括乙烯衍生的单元; 所述组合物在25℃下可溶于二甲苯的部分的特性粘度为3至5dl / g。

    POLYPROPYLENE FIBER
    8.
    发明申请
    POLYPROPYLENE FIBER 审中-公开
    聚丙烯纤维

    公开(公告)号:WO2014005816A1

    公开(公告)日:2014-01-09

    申请号:PCT/EP2013/062245

    申请日:2013-06-13

    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 MFRl; (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/10min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFRl 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, 3二醚,(b)铝烃基化合物和(c)任选的外电子给体化合物,以获得熔体流动速率MFR1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为15至40g / 10min,MFR 2 / MFR 1的比率为8至18,根据ISO方法1133(230℃,2.16kg)测量MFR1和MFR2。

    POLYOLEFINIC COMPOSITIONS
    9.
    发明申请
    POLYOLEFINIC COMPOSITIONS 审中-公开
    聚合物组合物

    公开(公告)号:WO2011012500A1

    公开(公告)日:2011-02-03

    申请号:PCT/EP2010/060483

    申请日:2010-07-20

    Abstract: A polymer composition comprising (per cent by weight): a) 70-84% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13 C-MNR on the fraction insoluble in xylene at 25° C, higher than 97.5 molar %; b) 8 -15% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 25 to 50 wt% and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 8-15% of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 55 to 90 g/10 min, and the amount of hexane extractables lower than 3.5 wt%,.

    Abstract translation: 包含(重量百分比)的聚合物组合物:a)70-84%的具有全同立构五单元组的结晶丙烯聚合物(mmmm),通过13C-MNR测量在25℃下不溶于二甲苯的级分,高于 97.5摩尔% b)8-15%的乙烯和丙烯的弹性体共聚物,所述共聚物具有一定量的衍生自乙烯的重复单元,范围为25至50重量%,并且在环境温度下部分可溶于二甲苯; 在环境温度下可溶于二甲苯的聚合物级分的特性粘度值为2.5至3.5dl / g; 和c)8-15%的特性粘度值为1.5-4dl / g的乙烯均聚物; 所述组合物的熔体流动速率范围为55至90g / 10min,并且己烷可提取物的量低于3.5wt%。

    POLYPROPYLENE COMPOSITION
    10.
    发明申请

    公开(公告)号:WO2022084033A1

    公开(公告)日:2022-04-28

    申请号:PCT/EP2021/077492

    申请日:2021-10-06

    Abstract: A polypropylene composition comprising: A) from 76 wt% to 95 wt% of a propylene homopolymer having: - fraction soluble in xylene at 25°C comprised between 2.0 wt% and 4.5 wt%; - melt flow rate (MFR L according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) ranging from 60.0 to 110.0 g/10 min; B) from 5 wt% to 24 wt%, of a copolymer of propylene and ethylene containing from 75 wt% to 90.0 wt%, of ethylene derived units; wherein in the polypropylene composition: the content of ethylene derived units in the fraction soluble in xylene at 25°C is lower than - the content of ethylene derived units of component B) and ranges from 51.0 wt% to 74.0 wt%, the polypropylene composition has at least two melting points, the higher ranging from 156.0 °C to 166.0 °C and the lower ranging from 90.0 °C to 125.0°C; and the sum of the amounts of component A) and B) being 100 wt%.

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