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    HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION
    5.
    发明公开
    HIGH MELT STRENGTH POLYPROPYLENE COMPOSITION 审中-公开

    公开(公告)号：US20240132638A1

    公开(公告)日：2024-04-25

    申请号：US18277806

    申请日：2022-02-18

    Applicant: SABIC Global Technologies B.V.

    Inventor： Peter Degenhart ,  Martin Antonius van Es ,  Mark Leo Hendrik Theunissen ,  Maikel Renders

    IPC: C08F10/06 ,  C08J9/14 ,  C08K3/34

    CPC classification number: C08F10/06 ,  C08J9/141 ,  C08K3/34 ,  C08J2203/14 ,  C08J2323/12

    Abstract: High melt strength polypropylene composition, wherein the high melt strength polypropylene composition comprises a high melt strength polypropylene, wherein the high melt strength polypropylene composition has a melt strength ≥45 cN, more preferably ≥50 cN, more preferably ≥55 cN, even more preferably ≥60 cN, even more preferably ≥65 cN, wherein the melt strength is determined in accordance with ISO 16790:2005 at a temperature of 200° C., using a cylindrical capillary having a length of 20 mm and a width of 2 mm, a starting velocity v0 of 9.8 mm/s and an acceleration of 6 mm/s2 and wherein the high melt strength polypropylene composition has a melt flow rate ≥1.0 and ≤4.0 g/10 min as determined in accordance with ASTM D1238 (2013) at a temperature of 230° C. under a load of 2.16 kg.

    BIAXIALLY ORIENTED PIPE
    6.
    发明申请
    BIAXIALLY ORIENTED PIPE 有权

    公开(公告)号：US20220396693A1

    公开(公告)日：2022-12-15

    申请号：US17777275

    申请日：2020-11-10

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Ajay Kumar Taraiya ,  Peter Degenhart ,  Ralf Kleppinger

    IPC: C08L23/12 ,  C08L23/08

    Abstract: The disclosure relates to a biaxially oriented pipe made of a polymer composition comprising a propylene-based polymer, wherein the pipe is made by a process comprising the steps of: •a) forming the polymer composition having a melting temperature Tm (° C.) into a tube, •b) heating the tube such that the tube has a drawing temperature Td (° C.) and •c) stretching the tube of step a) in the axial direction and in the peripheral direction at Td to obtain the biaxially oriented pipe, wherein Td is equal to or higher than Tm, wherein •i) the propylene-based polymer comprises (A1) a heterophasic propylene copolymer, wherein the heterophasic propylene copolymer consists of (a1) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene copolymer consisting of at least 70 wt % of propylene monomer units and at most 30 wt % of ethylene and/or α-olefin monomer units, based on the total weight of the propylene-based matrix and (a2) a dispersed ethylene-α-olefin copolymer, wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-α-olefin copolymer in the heterophasic propylene copolymer is 100 wt %, wherein the amount of (a2) with respect to the propylene-based polymer is 2.0 to 30 wt % or ii) the propylene-based polymer comprises (B) a random copolymer of propylene and a comonomer which is ethylene and/or an α-olefin having 4 to 10 carbon atoms, wherein when the pipe has an outer diameter of less than 40 mm, the propylene-based polymer comprising (B) has a comonomer content of 0.1 to 3.8 wt % based on the propylene-based polymer.

    PROCESS FOR ENHANCING THE MELT STRENGTH OF PROPYLENE-BASED POLYMER COMPOSITIONS
    8.
    发明申请
    PROCESS FOR ENHANCING THE MELT STRENGTH OF PROPYLENE-BASED POLYMER COMPOSITIONS 审中-公开

    公开(公告)号：US20180371224A1

    公开(公告)日：2018-12-27

    申请号：US16060515

    申请日：2016-11-28

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Peter Degenhart ,  Ana Luisa Vaz ,  Martin Antonius van Es ,  Mark Berix

    IPC: C08L23/26 ,  B29C47/66 ,  B29C47/64 ,  B29C47/36 ,  B29C47/88 ,  C08K5/14

    Abstract: Disclosed is a process for preparation of a propylene-based polymer composition involving the steps of: (a) mixing a propylene-based polymer and a peroxydicarbonate in a mixing device, wherein the mixing takes place at a temperature of ≤30° C., wherein the peroxydicarbonate is introduced into the mixing process in a dry form; (b) keeping the mixed composition at a temperature of ≤30° C.; (c) feeding the mixed composition into a melt extruder; (d) homogenizing the mixed composition at a temperature where the propylene-based polymer is in solid state during an average residence time of ≥6.0 and ≤30.0 seconds; (e) further homogenizing the mixed composition at a temperature at which the propylene-based polymer is in the molten state; and (f) extruding the homogenized material from a die outlet of the melt extruder followed by cooling and solidification; wherein the steps (a) through (f) are conducted in that order.

    CATALYST SYSTEM FOR POLYMERIZATION OF AN OLEFIN
    9.
    发明申请
    CATALYST SYSTEM FOR POLYMERIZATION OF AN OLEFIN 有权
    用于烯烃聚合的催化剂体系

    公开(公告)号：US20160311950A1

    公开(公告)日：2016-10-27

    申请号：US15106061

    申请日：2014-12-19

    Applicant: SAUDI BASIC INDUSTRIES CORPORATION ,  SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Aurora Alexandra Batinas-Geurts ,  Martin Alexander Zuideveld ,  Raymond Gerlofsma ,  Henrica Norberta Alberta Maria Steenbakkers-Menting ,  Peter Degenhart

    IPC: C08F210/06 ,  C08F110/06

    CPC classification number: C08F210/06 ,  C08F110/06 ,  C08L23/12 ,  C08L2207/02 ,  C08F210/02 ,  C08F2500/12 ,  C08F4/651 ,  C08F2/001 ,  C08F4/6565 ,  C08F4/6465 ,  C08L23/16

    Abstract: A process for the preparation of a catalyst system for olefin polymerization, including: A) providing said procatalyst obtainable via a process comprising: i) contacting a compound R4zMgX42-z with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, ii) optionally contacting the solid product obtained in step i) with at least one activating compound selected from an activating electron donor or metal alkoxide compound; iii) contacting the first or second intermediate reaction product, with a halogen-containing Ti-compound and optionally an internal electron donor to obtain the procatalyst; and B) contacting the procatalyst with a co-catalyst and at least diethylaminotriethoxysilane as the external donor. Further disclosed is a catalyst system obtained by the process; a process for preparing a polyolefin by contacting at least one olefin with the catalyst system; a polyolefin obtained thereby; a composition comprising a propylene-ethylene copolymer; a shaped article thereof; and use of polyolefin.

    Abstract translation: 一种制备用于烯烃聚合的催化剂体系的方法，包括：A）提供可通过以下方法获得的所述主催化剂，所述方法包括：i）使化合物R4zMgX42-z与含烷氧基或芳氧基的硅烷化合物接触，得到第一中间反应 产品，ii）任选地使步骤i）中获得的固体产物与选自活化电子给体或金属醇盐化合物的至少一种活化化合物接触; iii）使第一或第二中间反应产物与含卤素的Ti化合物和任选的内部电子给体接触以获得前催化剂; 和B）使前催化剂与助催化剂和至少二乙基氨基三乙氧基硅烷作为外给体接触。 进一步公开了通过该方法获得的催化剂体系; 通过使至少一种烯烃与催化剂体系接触来制备聚烯烃的方法; 由此获得的聚烯烃; 包含丙烯 - 乙烯共聚物的组合物; 其成型制品; 并使用聚烯烃。

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