PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    2.
    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。

    CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS BASED ON 1,3-DIETHERS
    3.
    发明申请
    CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS BASED ON 1,3-DIETHERS 审中-公开
    基于1,3-二醇的烯烃聚合催化剂组分

    公开(公告)号:WO2007147715A1

    公开(公告)日:2007-12-27

    申请号:PCT/EP2007/055392

    申请日:2007-06-01

    Abstract: Catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and 1,3- diethers as internal donors having an improved balance of properties in terms of activity and morphological stability are obtained by a process comprising: (A) A first step comprising reacting an adduct of formula MgC1 2 (ROH) n , where R is a C1-C10 alkyl group, and n is from 0.5 to 6, with a titanium compound having at least a Ti-C1 bond at a reaction temperature ranging from 0°C to 80°C; (B) A subsequent step comprising contacting the solid product obtained in (A) with an electron donor ED selected from 1,3 diethers with a titanium compound having at least a Ti-C1 bond at a temperature higher than 80°C; and (C) A subsequent step comprising reacting the solid product coming from (B) with a titanium compound having at least a Ti-C1 bond at a temperature higher than 80°C.

    Abstract translation: 通过包括以下步骤的方法获得包含Mg,Ti,卤素和1,3-二醚作为内部供体在具有改善的活性和形态稳定性能的平衡上的烯烃聚合的催化剂组分:(A)第一步骤,包括使 式MgCl 2(ROH)n N的加合物,其中R为C1-C10烷基,n为0.5至6,钛化合物至少具有 在0℃至80℃的反应温度下的Ti-Cl键; (B)后续步骤,包括使(A)中得到的固体产物与选自1,3-二醚的电子给体ED与高于80℃的温度下具有至少Ti-Cl键的钛化合物接触; 和(C)随后的步骤包括使来自(B)的固体产物与在高于80℃的温度下具有至少一个Ti-C 1键的钛化合物反应。

    PROCESS FOR THE PREPARATION OF POROUS PROPYLENE POLYMERS
    4.
    发明申请
    PROCESS FOR THE PREPARATION OF POROUS PROPYLENE POLYMERS 审中-公开
    制备多孔丙烯聚合物的方法

    公开(公告)号:WO2015059117A1

    公开(公告)日:2015-04-30

    申请号:PCT/EP2014/072501

    申请日:2014-10-21

    Abstract: Process for the preparation of a porous propylene carried out in the presence of a catalyst system comprising (a) a Ziegler-Natta catalyst containing at least two electron donor compounds one of which being present in an amount from 50 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 alkyl and comprising the following steps: i) contacting the catalyst components (a) and (b) for a period of time ranging from 1 to 60 minutes, at a temperature ranging from 35 to 55°C; optionally, ii) pre-polymerizing with one or more olefins of formula CH 2 =CHR, where R is H or a C 1 -C 10 hydrocarbon group, up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); and iii) polymerizing propylene in the optional presence of minor amounts of ethylene and/or C 4 -C 10 alpha olefins producing said porous propylene (co)polymer.

    Abstract translation: 在催化剂体系存在下进行的多孔丙烯的制备方法,该催化剂体系包含(a)含有至少两种电子给体化合物的齐格勒 - 纳塔催化剂,其中一种催化剂体系以50至90摩尔%的量存在, 相对于供体的总量,选自琥珀酸盐,另一种选自1,3-二醚,(b)烷基铝,包括以下步骤:i)使催化剂组分(a)和(b)接触一段时间 时间为1至60分钟,温度范围为35至55℃; 任选地,ii)使用一种或多种式CH 2 = CHR的烯烃进行预聚合,其中R是H或C1-C10烃基,直至每克固体催化剂组分约0.1至约1000g的聚合物的形成量 (一个); 和iii)在少量乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯,生产所述多孔丙烯(共)聚合物。

    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS
    7.
    发明申请
    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS 审中-公开
    制备丙烯随机共聚物的方法

    公开(公告)号:WO2014060217A1

    公开(公告)日:2014-04-24

    申请号:PCT/EP2013/070609

    申请日:2013-10-03

    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) n 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%乙烯单元的丙烯的无规共聚物的方法,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的存在下共聚合丙烯和乙烯: (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 供体量,选自琥珀酸盐,另一种选自1,3二醚,(b)n烃基铝化合物,和(c)任选的外电子给体化合物。

    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。

    CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS
    10.
    发明申请
    CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化剂组分

    公开(公告)号:WO2007147740A1

    公开(公告)日:2007-12-27

    申请号:PCT/EP2007/055618

    申请日:2007-06-07

    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and an electron donor is obtained by a batch process comprising: (A) A first step comprising reacting an adduct of formula MgCl 2 (ROH) n , where R is a C1-C10 alkyl group, and n is from 0.5 to 6, in a liquid medium comprising a titanium compound having at least a Ti-Cl bond at a temperature ranging from 0°C to 80°C and then removing the liquid medium; (B) A subsequent step comprising reacting the solid product obtained in (A) in a liquid medium comprising an electron donor ED selected from ethers, esters, ketones, silanes, amines, nitriles and amides, and a titanium compound having at least a Ti-Cl bond at a temperature higher than 80°C and then, after removing the liquid medium; (C) A subsequent step comprising reacting the solid product coming from (B) with a liquid medium comprising a titanium compound having at least a Ti-Cl bond at a temperature higher than 80°C.

    Abstract translation: 通过分批方法获得包含Mg,Ti,卤素和电子给体的烯烃聚合的催化剂组分,包括:(A)第一步,包括使式MgCl 2(ROH) 在含有至少Ti-Cl键的钛化合物的液体介质中,其中R为C1-C10烷基,n为0.5至6,其中R为0〜 至80℃,然后除去液体介质; (B)后续步骤,包括使(A)中获得的固体产物在包含选自醚,酯,酮,硅烷,胺,腈和酰胺的电子给体ED的液体介质中,和至少具有Ti -Cl键在高于80℃的温度下,然后除去液体介质; (C)随后的步骤包括使来自(B)的固体产物与包含在高于80℃的温度下具有至少Ti-Cl键的钛化合物的液体介质反应。

Patent Agency Ranking