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公开(公告)号：US11542349B2
公开(公告)日：2023-01-03
申请号：US16468616
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C08F110/06 , C08F2/34 , C08F4/646 , C08F4/651 , C08F4/654 , C08F4/656 , C08F8/50 , C08F210/06 , C08K5/14
Abstract: The invention relates to a process for the preparation of a propylene homopolymer or a propylene α-olefin random copolymer comprising the step of a) preparing a propylene homopolymer or a propylene α-olefin random copolymer, wherein the α-olefin is chosen from the group consisting of ethylene, and α-olefins having 4 to 10 carbon atoms, for example 1-butene or 1-hexene by contacting at least the propylene and optionally α-olefin, with a catalyst in a gas-phase reactor at a temperature T1 and a pressure P1, wherein T1 is chosen in the range from 75 to 90° C., for example in the range from 77 to 85° C., for example in the range from 78 to 83° C., wherein P1 is chosen in the range from 22 to 30 bar to prepare a propylene homopolymer (A′) or a propylene α-olefin random copolymer (A′).
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2.发明授权公开(公告)号：US11608432B2
公开(公告)日：2023-03-21
申请号：US16468626
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C08L23/12 , B29B9/14 , B29B15/12 , B29B9/06 , B29C45/00 , C03C25/30 , C08J5/08 , B29K23/00 , B29K309/08 , C08F210/16
Abstract: The invention relates to a pellet comprising a thermoplastic polymer sheath intimately surrounding glass filaments, which glass filaments are covered at least in part with an impregnating agent and extend in a longitudinal direction of said pellets, wherein the thermoplastic polymer sheath is prepared from a thermoplastic polymer composition comprising A) a heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-α-olefin copolymer, wherein the heterophasic propylene copolymer has a melt flow rate of at least 40 g/10 min as determined in accordance with ISO 1133 (230° C., 2.16 kg) and a FOG value of at most 350 μg/g as determined by VDA 278, wherein the glass filaments are present in an amount of 10-70 wt % based on the pellet.
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公开(公告)号：US10995158B2
公开(公告)日：2021-05-04
申请号：US16468091
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C08F2/34 , C08F2/01 , C08F210/06 , C08F210/16 , C08L23/12 , C08F2/00 , C08F4/654 , C08F4/656 , C08L23/08 , C08L23/14
Abstract: The invention relates to a process for the preparation of a heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-a-olefin copolymer, comprising the steps of a) preparing the propylene-based matrix from propylene and optionally a C2 or C4-C12 α-olefin by contacting at least propylene and optionally C2 or C4-C12 a-olefin with a catalyst in a first gas-phase reactor at a temperature T1 and a pressure P1, b) subsequently preparing the dispersed ethylene-α-olefin copolymer from ethylene and a C3-C12 α-olefin by contacting the ethylene and the C3-C12 α-olefin with a catalyst in a second gas-phase reactor at a temperature T2 and a pressure P2, wherein T1-T2 is in the range from 6 to 25° C., wherein T1>T2, wherein PI and P2 are in the range from 22 to 30 bar to prepare a heterophasic propylene copolymer (A′).
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公开(公告)号：US11149139B2
公开(公告)日：2021-10-19
申请号：US16467717
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Abstract: The invention relates to a process for the preparation of a final heterophasic propylene copolymer (A) having a final melt flow rate in the range from 65 to 110 dg/min, comprising visbreaking an intermediate heterophasic propylene copolymer (A′) having an intermediate melt flow rate, which intermediate melt flow rate is lower than the final melt flow rate, to obtain the final heterophasic propylene copolymer,
wherein the intermediate heterophasic propylene copolymer (A′) consists of
(a) a propylene-based matrix,
(b) 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 intermediate heterophasic propylene copolymer is 100 wt % based on the intermediate heterophasic propylene copolymer.-
公开(公告)号：US20200087431A1
公开(公告)日：2020-03-19
申请号：US16468616
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C08F110/06 , C08F210/06 , C08F2/34 , C08F4/646 , C08F4/651 , C08F4/654 , C08F4/656 , C08K5/14 , C08F8/50
Abstract: The invention relates to a process for the preparation of a propylene homopolymer or a propylene α-olefin random copolymer comprising the step of a) preparing a propylene homopolymer or a propylene α-olefin random copolymer, wherein the α-olefin is chosen from the group consisting of ethylene, and α-olefins having 4 to 10 carbon atoms, for example 1-butene or 1-hexene by contacting at least the propylene and optionally α-olefin, with a catalyst in a gas-phase reactor at a temperature T1 and a pressure P1, wherein T1 is chosen in the range from 75 to 90° C., for example in the range from 77 to 85° C., for example in the range from 78 to 83° C., wherein P1 is chosen in the range from 22 to 30 bar to prepare a propylene homopolymer (A′) or a propylene α-olefin random copolymer (A′).
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Patent Agency Ranking
6.发明申请公开(公告)号：US20250058553A1
公开(公告)日：2025-02-20
申请号：US18721030
申请日：2022-12-13
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Xiqiang Liu , Christelle Marie Helene Grein , Chaodong Jiang , Liang Wen , Hailun Wang
Abstract: The present invention relates to an article comprising a layer with dispersed glass fibers and a layer with continuous glass fibers. The article according to the invention has superior stiffness and is suitable to be molded with mold of complex geometry. e.g. battery case in a vehicle. It is further preferred that the article is fire resistant.
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公开(公告)号：US20230242741A1
公开(公告)日：2023-08-03
申请号：US18013464
申请日：2021-06-29
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Jing Guo , Rob Donners , Xiaomei Shi , Chaodong Jiang , Christelle Marie Helene Grein , Liang Wen
CPC classification number: C08K13/04 , C08L23/12 , H01Q1/42 , C08L2205/025 , C08K7/14
Abstract: The present invention relates to a polymer composition comprising a polypropylene and glass fiber. The polymer composition according to the present invention has a white or light color and superior preservation of impact resistance.
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公开(公告)号：US20200062942A1
公开(公告)日：2020-02-27
申请号：US16467717
申请日：2017-12-12
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Abstract: The invention relates to a process for the preparation of a final heterophasic propylene copolymer (A) having a final melt flow rate in the range from 65 to 110 dg/min, comprising visbreaking an intermediate heterophasic propylene copolymer (A′) having an intermediate melt flow rate, which intermediate melt flow rate is lower than the final melt flow rate, to obtain the final heterophasic propylene copolymer,wherein the intermediate heterophasic propylene copolymer (A′) consists of (a) a propylene-based matrix, (b) 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 intermediate heterophasic propylene copolymer is 100 wt % based on the intermediate heterophasic propylene copolymer.
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公开(公告)号：US20220259397A1
公开(公告)日：2022-08-18
申请号：US17627403
申请日：2020-07-17
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Ting Huang , Chaodong Jiang , Christelle Marie Helene Grein , Martin Antonius Van Es , Mark Leo Hendrik Theunissen , Johan Maria Krist , Liang Wen , Yijie Chen
Abstract: The present invention relates to a polymer composition comprising (85-100 wt %) of a propylene copolymer based on the total amount of the polymer composition, wherein the comonomer in the propylene copolymer is selected from moiety derived from ethylene, an α-olefin having (4) to (20) carbon atoms or a combination thereof, wherein the amount of the comonomer is in the range of (0.50 to 4.5) wt % based on the propylene copolymer, wherein the fraction of melted propylene copolymer in the temperature range from (116 to 151° C.) is in the range from (65 to 90) wt % based on the total weight of the propylene copolymer. The present invention also relates to expanded polypropylene (EPP) beads comprising said polymer composition. The invention further relates to the use of such EPP beads. The invention further relates to a process for preparing such EPP beads. The present invention also relates to an article made from said EPP beads. The invention further relates to the use of such article. The invention further relates to a process for preparing such article.
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公开(公告)号：US11273884B2
公开(公告)日：2022-03-15
申请号：US17271807
申请日：2019-08-29
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Jing Guo , Maria Soliman , Mahari Tjahjadi , Chaodong Jiang , Christelle Marie Helene Grein , Ratnesh Khandelwal
IPC: B62K19/16 , B29B9/06 , B29B9/14 , B29C45/00 , C08J5/04 , C08K7/14 , B29K23/00 , B29K309/08 , B29L31/30
Abstract: The invention relates to a bicycle frame made by injection molding pellets of a long glass fibre reinforced polypropylene composition having a core containing glass fibres and an impregnating agent and a sheath of polypropylene surrounding said core, wherein the pellets have an average length of at least 1 mm, the amount of the glass fibers is 10 to 70 wt % with respect to the composition and the polypropylene has a flexural modulus determined according to ASTM D790A of at least 1000 N/mm2.
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