知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

14 records (took 0.013 seconds)

    Polypropylene for use in BOPP applications
    2.
    发明授权
    Polypropylene for use in BOPP applications 有权

    公开(公告)号：US11001651B2

    公开(公告)日：2021-05-11

    申请号：US16340918

    申请日：2017-10-16

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Patrick Elisabeth Luc Voets ,  Abderrahman Meddad ,  Henrica Norberta Alberta Maria Steenbakkers-Menting ,  Akhlaq Moman

    IPC: C08F10/06 ,  C08F110/06 ,  B29C55/12 ,  C08J5/18 ,  B29C55/00 ,  B29K623/00

    Abstract: The invention relates to a biaxially oriented polypropylene (BOPP) film comprising a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.0 wt % based on the propylene-ethylene copolymer having an Mw/Mn in the range from 5.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average weight and wherein Mw and Mn are measured according to ASTM D6474-12, an XS in the range from 1.0 to 6.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 5492-10, a melt flow rate in the range of 1 to 10 dg/min as measured according to IS01133 (2.16 kg/230° C.) and a crystal size distribution as indicated by a height/width ratio of the highest peak of the first cooling curve of at least 0.70 W/g° C. as determined by ASTM D3418-08 using a heating and cooling rate of 10° C./min.

    Process for the polymerization of propylene
    3.
    发明授权
    Process for the polymerization of propylene 有权

    公开(公告)号：US10106631B2

    公开(公告)日：2018-10-23

    申请号：US15319889

    申请日：2014-06-20

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V. ,  Abderrahman Meddad ,  Mansour Taftaf ,  Hesham Al-Shobilly

    Inventor： Abderrahman Meddad ,  Mansour Taftaf ,  Hesham Al-Shobilly

    IPC: C08F110/06

    Abstract: The invention relates to a process for the preparation of polypropylene having —a molecular weight (Mw) of 450,000-950,000, —a molecular weight distribution of 3-6, —a melt flow in the range of 7-14 dg/min measured with a load of 21.6 kg at 230° C. or 0.05-2 dg/min measured with a load of 2.16 kg at 230° C. and —a xylene soluble content of 2-6 wt % by converting propylene into the polypropylene without pre-polymerization in the presence of a polymerization catalyst under a condition where the volume ratio of H2 to propylene is at most 0.0020, wherein the catalyst comprises a catalyst component, a co-catalyst and an external donor, wherein the catalyst component is obtained by a process wherein a compound with formula Mg(OAlk)xCly wherein x is larger than 0 and smaller than 2, y equals 2−x and each Alk, independently, represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor, and wherein the molar ratio of the co-catalyst to the external donor is 3.3-5.2, preferably 3.8-4.4.

    Process for the polymerization of propylene
    5.
    发明授权
    Process for the polymerization of propylene 有权

    公开(公告)号：US09988474B2

    公开(公告)日：2018-06-05

    申请号：US15320040

    申请日：2015-06-16

    Applicant: SABIC Global Technologies B.V.

    Inventor： Hesham A. Al-Shobilly ,  Ahmad Abdullah Alshaiban ,  Abdulrahman Albeladi ,  Abderrahman Meddad ,  Riyadh A. Al Humoud

    IPC: C08F210/06

    CPC classification number: C08F210/06 ,  C08F4/6565 ,  C08F4/651 ,  C08F210/16 ,  C08F2500/01 ,  C08F2500/12 ,  C08F2500/24 ,  C08F2500/18

    Abstract: The invention relates to a process for the preparation of ethylene-propylene copolymers having —a weight average molecular weight of 800,000-1,800,000, —a molecular weight distribution of 3-8, —an ethylene content of 1-10 wt %, preferably 1.5 to 5.5 wt %. —a melt flow in the range of 1.5-8 dg/min measured with a load of 21.6 kg at 230° C. and —a xylene soluble content of 2-15 wt % by converting propylene into the UHMWEP copolymer without pre-polymerization in the presence of a polymerization catalyst under a condition where the volume ratio of H2 to propylene is at most 0.0020, wherein the catalyst comprises a catalyst component and a co-catalyst, wherein the catalyst component is obtained by a process wherein a compound with formula Mg(OAIk)xCly wherein x is larger than 0 and smaller than 2, y equals 2−x and each Alk, independently, represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor.

    PROCESS FOR THE POLYMERIZATION OF PROPYLENE
    6.
    发明申请
    PROCESS FOR THE POLYMERIZATION OF PROPYLENE 审中-公开

    公开(公告)号：US20170129973A1

    公开(公告)日：2017-05-11

    申请号：US15319889

    申请日：2014-06-20

    Applicant: Abderrahman Meddad ,  Mansour Taftaf ,  Hesham Al-Shobilly ,  SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Abderrahman Meddad ,  Mansour Taftaf ,  Hesham Al-Shobilly

    IPC: C08F110/06

    CPC classification number: C08F110/06 ,  C08F2500/01 ,  C08F2500/12 ,  C08F2500/24 ,  C08F4/6565

    Abstract: The invention relates to a process for the preparation of polypropylene having —a molecular weight (Mw) of 450,000-950,000, —a molecular weight distribution of 3-6, —a melt flow in the range of 7-14 dg/min measured with a load of 21.6 kg at 230° C. or 0.05-2 dg/min measured with a load of 2.16 kg at 230° C. and —a xylene soluble content of 2-6 wt % by converting propylene into the polypropylene without pre-polymerization in the presence of a polymerization catalyst under a condition where the volume ratio of H2 to propylene is at most 0.0020, wherein the catalyst comprises a catalyst component, a co-catalyst and an external donor, wherein the catalyst component is obtained by a process wherein a compound with formula Mg(OAlk)xCly wherein x is larger than 0 and smaller than 2, y equals 2-x and each Alk, independently, represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor, and wherein the molar ratio of the co-catalyst to the external donor is 3.3-5.2, preferably 3.8-4.4.

    Soft touch polypropylene composition
    7.
    发明授权
    Soft touch polypropylene composition 有权

    公开(公告)号：US12091535B2

    公开(公告)日：2024-09-17

    申请号：US17289055

    申请日：2019-11-15

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Abderrahman Meddad ,  Mansour Al-Otaibi ,  Fahad S. Al-Mutairy

    IPC: C08L23/16 ,  C08K5/098 ,  C08K5/20 ,  C08L23/08 ,  D04H3/007

    CPC classification number: C08L23/16 ,  C08K5/098 ,  C08K5/20 ,  C08L23/0815 ,  D04H3/007 ,  C08L2203/12 ,  C08L2205/02

    Abstract: The invention relates to a composition comprising: (A) a random copolymer of propylene and a comonomer, wherein the comonomer is ethylene and/or an α-olefin having 4 to 8 carbon atoms, wherein the amount of propylene-derived units is 90 to 99 wt % and the amount of comonomer-derived units is 1.0 to 10 wt % based on the random copolymer, (B) a C10-C30 aliphatic carboxylic acid amide and (C) a nucleating agent comprising a metal salt of hexahydrophthalic acid represented by formula (I) wherein M1 and M2 are the same or different, and may be combined into one cation, and are selected from at least one metal cation of calcium, strontium, lithium, and monobasic aluminum; and wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are either the same or different and are individually selected from the group consisting of hydrogen, C1-C9 alkyl, hydroxy, C1-C9 alkoxy, C1-C9 alkyleneoxy, amine, and C1-C9 alkylamine, halogens, and phenyl, wherein the amount of (B) in the composition is 1000 to 5000 ppm based on the total weight of the composition and the amount of (C) in the composition is 100 to 1000 ppm based on the total weight of the composition.

Patent Agency Ranking