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1.发明申请
公开(公告)号：WO2019060192A1
公开(公告)日：2019-03-28
申请号：PCT/US2018/050598
申请日：2018-09-12
Inventor： HERRON, Jeffrey , ARRIOLA, Daniel J. , BLAYLOCK, D. Wayne , LEE, Wen-Sheng , SUSSMAN, Victor J. , HICKMAN, Daniel A. , LIMBACH, Kirk W.
Abstract: A method for preparing methyl methacrylate from methacrolein and methanol. The method comprises contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, wherein oxygen concentration at a reactor outlet is from 1 to 7.5 mol% and wherein pH at a reactor outlet is no greater than 7.5.
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公开(公告)号：WO2018170056A1
公开(公告)日：2018-09-20
申请号：PCT/US2018/022331
申请日：2018-03-14
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： DEVORE, David D. , ARRIOLA, Daniel J. , ROOF, Gordon R. , MUNRO, Jeffrey C. , YOUNG, Andrew J. , CARNAHAN, Edmund M.
IPC: C08F210/16 , C08F4/64
Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
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公开(公告)号：WO2020069362A1
公开(公告)日：2020-04-02
申请号：PCT/US2019/053524
申请日：2019-09-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： FROESE, Robert D. J. , ARRIOLA, Daniel J. , STUBBERT, Bryan D.
IPC: C08F210/18
Abstract: The present process embodiments for synthesizing long-chain branched copolymers include contacting together one or more C 2 -C 14 alkene monomers, at least one diene or polyene, optionally a solvent, and a multi-chain catalyst. The multi-chain catalyst includes a plurality of polymerization sites and produces at least two polymer chains of the C 2 -C 14 alkene monomers, each polymer chain polymerizing at one of the polymerization sites. The process synthesizes the long-chain branched polymers by connecting the two polymer chains with the diene or polyene, the joining of the two polymer chains being performed in a concerted manner during the polymerization.
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公开(公告)号：WO2018170208A1
公开(公告)日：2018-09-20
申请号：PCT/US2018/022554
申请日：2018-03-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： DEVORE, David D. , ARRIOLA, Daniel J. , KRASOVSKIY, Arkady L. , CARNAHAN, Edmund M. , THERIAULT, Curt N. , ROOF, Gordon R. , WENZEL, Timothy T. , KLOSIN, Jerzy , FIGUEROA, Ruth
IPC: C08F4/64 , C08F210/16
Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
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公开(公告)号：WO2020205593A1
公开(公告)日：2020-10-08
申请号：PCT/US2020/025397
申请日：2020-03-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： FROESE, Robert DJ , BROONER, Rachel E. M. , ARRIOLA, Daniel J. , STUBBERT, Bryan D. , REDWINE, Oscar D.
IPC: C08F210/18 , C08F4/64
Abstract: Processes of synthesizing long-chain branched polymers. The processes include contacting together one or more C 2 -C 14 alkene monomers, at least one diene, optionally a solvent, and a multi-chain catalyst optionally in the presence of hydrogen, wherein the multi-chain catalyst comprises a plurality of polymerization sites; producing at least two polymer chains of the C 2 -C 14 alkene monomers, each polymer chain polymerizing at one of the polymerization sites; synthesizing the long-chain branched polymers by connecting the two polymer chains with the diene, the joining of the two polymer chains being performed in a concerted manner during the polymerization; and producing tri-functional long chain branches and tetra-functional long chain branches from the diene, wherein the long-chain branched polymers have a ratio of tri-functional to tetra-functional long chain branches from 0.05:1 to 100:0; and adjusting the ratio of tri-functional and tetra-functional long chain branches. The diene has a structure according to formula (I):
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Patent Agency Ranking
公开(公告)号：WO2019022885A1
公开(公告)日：2019-01-31
申请号：PCT/US2018/039230
申请日：2018-06-25
Inventor： SUSSMAN, Victor J. , LEE, Wen-Sheng , HERRON, Jeffrey , BLAYLOCK, D. Wayne , ARRIOLA, Daniel J. , HEITSCH, Andrew , KIRILIN, Alexey , CLEMENTS, Heidi , SCHMUCKER, Abrin L. , HICKMAN, Daniel A.
Abstract: A method for preparing a heterogeneous catalyst. The method comprises steps of: (a) combining (i) a support, (ii) an aqueous solution of a noble metal compound and (iii) a C 2 -C 18 thiol comprising at least one hydroxyl or carboxylic acid substituent; to form a wet particle and (b) removing water from the wet particle by drying followed by calcination to produce the catalyst.
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公开(公告)号：WO2012103080A1
公开(公告)日：2012-08-02
申请号：PCT/US2012/022348
申请日：2012-01-24
Applicant: DOW GLOBAL TECHNOLOGIES LLC , ARRIOLA, Daniel J. , CLARK, Thomas P. , PETERSON, Thomas H. , THERIAULT, Curt N.
Inventor： ARRIOLA, Daniel J. , CLARK, Thomas P. , PETERSON, Thomas H. , THERIAULT, Curt N.
IPC: C08G77/442 , C09J183/14
CPC classification number: C08G77/442 , C09J183/14
Abstract: The invention generally relates to a process for making a polyolefin-polysiloxane block copolymer, a polyolefin-polysiloxane block copolymer made by the process, and an article comprising the polyolefin-polysiloxane block copolymer. The process generally comprises coupling a polyolefinyl-aluminum compound with an acyclic polysiloxane or cyclic siloxane monomer to yield the polyolefin-polysiloxane block copolymer.
Abstract translation: 本发明一般涉及一种制备聚烯烃 - 聚硅氧烷嵌段共聚物，通过该方法制备的聚烯烃 - 聚硅氧烷嵌段共聚物和包含聚烯烃 - 聚硅氧烷嵌段共聚物的制品的方法。 该方法通常包括将聚烯乙烯基 - 铝化合物与无环聚硅氧烷或环状硅氧烷单体偶联，得到聚烯烃 - 聚硅氧烷嵌段共聚物。
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公开(公告)号：WO2020069365A1
公开(公告)日：2020-04-02
申请号：PCT/US2019/053529
申请日：2019-09-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： FROESE, Robert D.J. , ARRIOLA, Daniel J. , KASHYAP, Teresita , STUBBERT, Bryan D.
IPC: C08F210/16
Abstract: Ethylene-based polymers comprise reaction products of polymerizing ethylene monomer, at least one diene or polyene comonomer, and optionally at least one C 3 to C 14 comonomer under defined polymerization reaction conditions, the ethylene-based polymer having: an M w /M w0 greater than 1.20. The M w0 is the initial weight-average molecular weight of a comparative ethylene-based polymer by gel permeation chromatography. The comparative ethylene-based polymer being a reaction product of polymerizing ethylene monomer and all C 3 to C 14 comonomers present in the ethylene-based polymer, if any, without the at least one polyene comonomer, under the defined polymerization reaction conditions; and a molecular weight tail quantified by an MWD area metric, A TAIL , and A TAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.
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公开(公告)号：WO2018170227A1
公开(公告)日：2018-09-20
申请号：PCT/US2018/022579
申请日：2018-03-15
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： PATTON, Jasson T. , SENECAL, Todd D. , ARRIOLA, Daniel J. , CHRISTIANSON, Matthew D. , ROOF, Gordon R. , KLOSIN, Jerzy , DEVORE, David D. , DAVIS, Anna V.
IPC: C08F210/16 , C08F4/52 , C08F4/64
Abstract: The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
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公开(公告)号：WO2021195501A1
公开(公告)日：2021-09-30
申请号：PCT/US2021/024368
申请日：2021-03-26
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： FROESE, Robert D.J. , LU, Keran , BROONER, Rachel E.M. , HOU, Jianbo , KLOSIN, Jerzy , ARRIOLA, Daniel J.
IPC: C08F210/18 , C08F4/64 , C08F2420/04
Abstract: The disclosure are directed to a process for polymerizing ethylene-based polymers. The process includes polymerizing ethylene and optionally one or more (C3-C14)α-olefin monomer, and at least one diene, in the presence of at least one multi-chain catalyst and at least one single-chain catalyst. The process may include a solvent. The multi-chain catalyst in the process includes a plurality of polymerization sites. Long-chain branched polymers are synthesized by connecting the two polymer chains of the multi-chain catalyst with the diene, the joining of the two polymer chains being performed in a concerted manner during the polymerization. The ethylene-based polymers are produced and include at least two molecular weight polymer fractions. The multi-chain catalyst produces the high molecular weight fraction, which is the long-chain branched polymer.
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