ENVIRONMENTALLY SUSTAINABLE ZIEGLER-NATTA CATALYST
    1.
    发明申请
    ENVIRONMENTALLY SUSTAINABLE ZIEGLER-NATTA CATALYST 审中-公开
    环保可持续的ZIEGLER-NATTA催化剂

    公开(公告)号:WO2014096335A1

    公开(公告)日:2014-06-26

    申请号:PCT/EP2013/077636

    申请日:2013-12-20

    Applicant: BOREALIS AG

    CPC classification number: C08F10/00 C08F4/651 C08F4/6555

    Abstract: Procatalyst comprising an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, and a C 1 to C 6 alkyl substituted tetrahydrofuran as electron donor.

    Abstract translation: 主催化剂,其包含无机载体,载持在所述载体上的氯化合物,载持在所述载体上的镁化合物,载于所述载体上的钛化合物和作为电子给体的C1至C6烷基取代的四氢呋喃。

    IMPROVING CATALYST PERFORMANCE IN MULTI-STAGE POLYOLEFIN PRODUCTION

    公开(公告)号:WO2022268959A1

    公开(公告)日:2022-12-29

    申请号:PCT/EP2022/067183

    申请日:2022-06-23

    Applicant: BOREALIS AG

    Abstract: The disclosure relates to à process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a metallocene polymerisation catalyst so as to form a first polymer component (A); and b) transferring the first polymer component (A) into a separation unit to remove low molecule penetrants and to obtain separated solid polyolefin particles of the first polymer component (A*) and c) polymerising in in gas phase in a second polymerisation step second olefin monomer, optionally in the presence of at least one other alpha olefin comonomer in the presence of the separated solid polyolefin particles (A*) of step b), so as to form a second polymer component (B). The disclosure further relates to a method for improving performance of a metallocene polymerisation catalyst in a multi-stage olefin polymerisation, wherein a first polymer component (A) produced in a first polymerisation step is transferred into a separation unit to remove low molecule penetrants and to obtain separated solid polyolefin particles of the first polymer component (A*) prior to transferring the obtained separated solid polyolefin particles of the first polymer component (A*) to a further polymerisation step.

    USE OF A SWELLING AGENT IN MULTI-STAGE POLYOLEFIN PRODUCTION

    公开(公告)号:WO2022268951A1

    公开(公告)日:2022-12-29

    申请号:PCT/EP2022/067173

    申请日:2022-06-23

    Applicant: BOREALIS AG

    Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one other alpha olefin monomer, in the presence of a polymerisation catalyst so as to form a first polymer component (A), and b) polymerising in a second polymerisation step in gas phase second olefin monomer, optionally in the presence of at least one other alpha olefin comonomer, in the presence of the first polymer component (A) of step a) and an induced swelling agent, so as to for a second polymer component (B), wherein the first polymer component (A) and the second polymer component (B) are produced at production rates meeting a predetermined target weight ratio of the second polymer component (B) to the first polymer component (A), the process comprising the steps of: i) determining a first weight ratio of the second polymer component (B) to the first polymer component (A) in the second polymerisation step, and ii) increasing the concentration of the induced swelling agent in the second polymerisation step if the determined first weight ratio is less than the predetermined target weight ratio, or iii) decreasing the concentration of the induced swelling agent in the second polymerisation step if the determined first weight ratio is greater than the predetermined target weight ratio, or iv) maintaining the concentration of the induced swelling agent in the second polymerisation step if the determined first weight ratio equals the predetermined target weight ratio. The disclosure further relates to use of an induced swelling agent in a gas phase polymerisation step for improving gas phase production split in a multi-stage olefin polymerisation process.

    PROCESS FOR CATALYST DEACTIVATION
    4.
    发明申请
    PROCESS FOR CATALYST DEACTIVATION 审中-公开
    催化剂失活过程

    公开(公告)号:WO2017220724A1

    公开(公告)日:2017-12-28

    申请号:PCT/EP2017/065395

    申请日:2017-06-22

    Applicant: BOREALIS AG

    Abstract: A process for the offline deactivation of at least one single site catalyst comprising contacting said catalyst with a deactivating agent selected from an aprotic low molecular weight carbonyl group containing organic compound or an aprotic low molecular weight orthoester or an aprotic low molecular weight acetal compound.

    Abstract translation: 一种用于使至少一种单中心催化剂脱机失活的方法,其包括使所述催化剂与选自非质子传递低分子量羰基有机化合物或非质子传递低分子量原酸酯或 质子惰性的低分子量缩醛化合物。

    LINEAR LOW DENSITY POLYETHYLENE WITH UNIFORM OR REVERSED COMONOMER COMPOSITION DISTRIBUTION
    5.
    发明申请
    LINEAR LOW DENSITY POLYETHYLENE WITH UNIFORM OR REVERSED COMONOMER COMPOSITION DISTRIBUTION 审中-公开
    线性低密度聚乙烯具有均匀或反转的人气组合物分布

    公开(公告)号:WO2010125022A1

    公开(公告)日:2010-11-04

    申请号:PCT/EP2010/055519

    申请日:2010-04-26

    Abstract: Ziegler-Natta catalyzed linear low density polyethylene which satisfies the following conditions: a) a density, according to ISO 1183, of from 900 to 925 kg/m 3 , b) a C 4 -C 10 -comonomer content, determined by Fourier transform infrared spectroscopy, of 1 to 16 wt% c) a weight average molecular weight Mw, determined by gel permeation chromatography, of at least 200 000, d) wherein the linear low density polyethylene comprises, by Crystallisation Analysis Fractionation (CRYSTAF) an amorphous fraction soluble at a temperature below 30°C of at most 10 wt% and a fraction crystallising between 60 to 75°C of at least 35 wt% and e) by temperature rising elution fractionation (TREF) analysis, at least 70 wt% of a crystallising polymer component having an elution temperature range from 60°C to 94°C and less than 10 wt% of a crystallising polymer component having an elution temperature range from 30°C to 60° and, f) by Gel Permeation chromatography using an Fourier transform infrared spectroscopy detector (GPC-FTIR), a substantially constant short chain branching profile across the molecular weight distribution (MWD) or g) by Gel Permeation chromatography coupled with Fourier transform infrared spectroscopy instruments (GPC-FTIR), a revers short chain branching profile across the molecular weight distribution (MWD), the linear low density polyethylene being produced in the presence of a special Ziegler- Natta procatalyst and a halogenated aluminium alkyl cocatalyst of the formula (IV) (C 1 -C 4 - alkyl) m -AI-X 3-m1 , wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.

    Abstract translation: 齐格勒 - 纳塔催化的线性低密度聚乙烯,其满足以下条件:a)根据ISO 1183的密度为900至925kg / m 3,b)通过傅立叶变换红外光谱测定的C 4 -C 10共聚单体含量, c)通过凝胶渗透色谱测定的至少200000重量平均分子量Mw,d)其中线性低密度聚乙烯通过结晶分析分馏(CRYSTAF)包含在 温度低于30℃至多10重量%,并且在60至75℃之间结晶至少35重量%的馏分和e)通过升温洗脱分馏(TREF)分析,至少70重量%的结晶聚合物组分 具有洗脱温度范围为60℃至94℃且小于10重量%的洗脱温度范围为30℃至60℃的结晶聚合物组分,f)通过使用傅里叶变换红外光谱的凝胶渗透色谱法 (GPC-FTIR),通过凝胶渗透色谱与傅立叶变换红外光谱仪(GPC-FTIR)结合,分子量分布(MWD)基本恒定的短链支化谱,或g),反向短链支化谱 分子量分布(MWD),线性低密度聚乙烯是在特殊的齐格勒 - 纳塔前催化剂和式(Ⅳ)的卤化烷基铝助催化剂(C1-C4烷基)m-AI-X3- m1,其中X是氯,溴,碘或氟,m是1或2。

    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION
    6.
    发明申请
    IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION 审中-公开
    改进的乙烯聚合催化剂组合物

    公开(公告)号:WO2010125018A1

    公开(公告)日:2010-11-04

    申请号:PCT/EP2010/055513

    申请日:2010-04-26

    Abstract: Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to time. The Ziegler-Natta catalyst composition comprises: 1. Ziegler-Natta catalyst composition for the production of ethylene copolymers comprising A) a procatalyst, which procatalyst comprises a) an Al compound having the formula Al(alkyl) x Cl 3-x (I), where alkyl is an alkyl group with 1 to 12 and 0 ≤ x ≤ 3, b) a magnesium hydrocarbyloxy compound of formula Mg(OR 1 ) 2-n (R 2 ) n (II), wherein each R 1 and R 2 is independently a C 1-20 hydrocarbon residue which may optionally be substituted with halogen and 0 ≤ n y Ti(OR 3 ) 4-y (III), wherein R 3 is a C 2-20 hydrocarbon residue and y is 1, 2, 3 or 4, with compounds a), b) and c) being supported on a particulate inorganic carrier and B) a halogenated aluminium alkyl cocatalyst of the formula (IV) (C 1 -C 4 -alkyl) m -Al-X 3-m , wherein X is chlorine, bromine, iodine or fluorine and m is 1 or 2.

    Abstract translation: 能够生产乙烯/α-烯烃共聚物,特别是线性低密度聚乙烯的齐格勒 - 纳塔催化剂组合物; 该组合物在聚合过程中相对于时间具有改进的其行为稳定性。 齐格勒 - 纳塔催化剂组合物包括:1.用于生产乙烯共聚物的齐格勒 - 纳塔催化剂组合物,其包含A)前催化剂,其前体催化剂包含a)具有式Al(烷基)xCl 3-x(I)的Al化合物,其中 烷基是具有1至12且0 = x = 3的烷基,b)式Mg(OR 1)2-n(R 2)n(II)的镁烃氧基化合物,其中每个R 1和R 2独立地为C 1-20 可以任选被卤素取代的烃残基,和0 = n yTi(OR 3)4-y(III),其中R 3是C 2-20烃基,y是1,2,3或4,与化合物a),b )和c)负载在颗粒状无机载体上,B)式(Ⅳ)的卤化烷基铝助催化剂(C1-C4烷基)m-Al-X3-m,其中X为氯,溴,碘或氟 m为1或2。

    POLYMERISATION PROCESS
    8.
    发明申请
    POLYMERISATION PROCESS 审中-公开
    聚合过程

    公开(公告)号:WO2014060541A1

    公开(公告)日:2014-04-24

    申请号:PCT/EP2013/071768

    申请日:2013-10-17

    Applicant: BOREALIS AG

    Abstract: A process for the preparation of a propylene homopolymer comprising polymerising propylene in the presence of a catalyst comprising: (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier; preferably wherein the melting point of the propylene polymer is controlled by adjusting the amount of or nature of the boron cocatalyst.

    Abstract translation: 一种制备丙烯均聚物的方法,包括在催化剂存在下聚合丙烯,所述催化剂包含:(i)金属茂族金属茂金属,所述金属茂包含至少两个环戊二烯基型配体; (ii)硼助催化剂; 和(iii)铝氧烷助催化剂; 所述催化剂为固体形式,优选为固体颗粒形式,并且不含外部载体; 优选其中丙烯聚合物的熔点通过调节硼助催化剂的量或性质来控制。

    UTILIZATION OF 1-HEXENE IN MULTI-STAGE POLYOLEFIN PRODUCTION

    公开(公告)号:WO2022268960A1

    公开(公告)日:2022-12-29

    申请号:PCT/EP2022/067184

    申请日:2022-06-23

    Applicant: BOREALIS AG

    Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step ethylene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a polymerisation catalyst so as to form a first polymer component (A); and b) polymerising in a second polymerisation step in gas phase a predetermined monomer mixture comprising ethylene and 1-hexene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of the first polymer component (A) of step a), so as to form a second polymer component (B), wherein the multimodal polyethylene polymer produced by the present process comprises 1-hexene comonomer and at least one further C4-10-comonomer, and wherein the predetermined monomer mixture comprising ethylene and 1-hexene is fed into the second polymerisation step from the beginning of its start up. The disclosure further relates to use of 1-hexene in a gas phase olefin polymerisation step for improving performance of single-site polymerisation catalyst in multi-stage olefin copolymerisation process. The disclosure still further relates to a method for improving performance of single-site polymerisation catalyst in a multi-stage olefin polymerisation comprising feeding a predetermined monomer mixture comprising ethylene and 1-hexene into the gas phase polymerisation step from the beginning of its start up.

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