JP7684981B2 - 遷移金属ビス(フェノラート)触媒錯体を用いて得られるプロピレンコポリマー及びその生成のための均一プロセス - Google Patents

遷移金属ビス(フェノラート)触媒錯体を用いて得られるプロピレンコポリマー及びその生成のための均一プロセス Download PDF

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JP7684981B2
JP7684981B2 JP2022548993A JP2022548993A JP7684981B2 JP 7684981 B2 JP7684981 B2 JP 7684981B2 JP 2022548993 A JP2022548993 A JP 2022548993A JP 2022548993 A JP2022548993 A JP 2022548993A JP 7684981 B2 JP7684981 B2 JP 7684981B2
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ル シエ
ナラヤナスワミ ダーマラジャン
ペイジュン ジアン
ジュン シ
ジョン アール ハガドーン
ジョ アン エム キャニッチ
サラ ジェイ マトラー
アレクサンドラ ケイ ヴァルデス
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04Monomers containing three or four carbon atoms
    • C08F210/06Propene
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    • C08F2/00Processes of polymerisation
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    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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    • C08F4/64082Tridentate ligand
    • C08F4/64141Dianionic ligand
    • C08F4/64158ONO
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    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/64003Titanium, zirconium, hafnium or compounds thereof the metallic compound containing a multidentate ligand, i.e. a ligand capable of donating two or more pairs of electrons to form a coordinate or ionic bond
    • C08F4/64168Tetra- or multi-dentate ligand
    • C08F4/64186Dianionic ligand
    • C08F4/64193OOOO
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    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
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    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65908Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
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    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
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    • C08F2800/00Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/10Copolymer characterised by the proportions of the comonomers expressed as molar percentages

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  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2022548993A 2020-02-11 2020-08-11 遷移金属ビス(フェノラート)触媒錯体を用いて得られるプロピレンコポリマー及びその生成のための均一プロセス Active JP7684981B2 (ja)

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US202062972962P 2020-02-11 2020-02-11
US62/972,962 2020-02-11
PCT/US2020/045819 WO2021162745A1 (en) 2020-02-11 2020-08-11 Propylene copolymers obtained using transition metal bis(phenolate) catalyst complexes and homogeneous process for production thereof

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US (1) US20230348640A1 (https=)
EP (1) EP4103630A4 (https=)
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KR (1) KR20220139378A (https=)
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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021162746A1 (en) * 2020-02-11 2021-08-19 Exxonmobil Chemical Patents Inc. Propylene polymers obtained using transition metal bis(phenolate) catalyst complexes and homogeneous process for production thereof
US20230322972A1 (en) 2020-10-08 2023-10-12 Exxonmobil Chemical Patents Inc. Supported Catalyst Systems and Processes for Use Thereof
US20240218098A1 (en) * 2021-04-25 2024-07-04 China Petroleum & Chemical Corporation Propylene-based copolymer, preparation process and use thereof, and polypropylene composition containing the same
CA3241034A1 (en) 2021-12-17 2023-06-22 Exxonmobil Chemical Patents Inc. Processes for making propylene-based copolymers having broad cds and mwds
WO2025117332A1 (en) * 2023-12-01 2025-06-05 ExxonMobil Technology and Engineering Company Methods for producing impact copolymers using dianionic complexes containing eight-membered chelate rings
WO2026075861A1 (en) 2024-10-02 2026-04-09 ExxonMobil Technology and Engineering Company Polypropylene copolymers and processes for production thereof
WO2026075864A1 (en) 2024-10-02 2026-04-09 ExxonMobil Technology and Engineering Company Polypropylene copolymers and processes for production thereof
WO2026075862A1 (en) * 2024-10-02 2026-04-09 ExxonMobil Technology and Engineering Company High melt strength propylene based elastomers compositions for elastic blown or cast films
WO2026075865A1 (en) 2024-10-02 2026-04-09 ExxonMobil Technology and Engineering Company Polypropylene copolymer compositions and films thereof
WO2026075859A1 (en) 2024-10-02 2026-04-09 ExxonMobil Technology and Engineering Company Polypropylene copolymer blends and roofing membranes thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002519486A (ja) 1998-07-02 2002-07-02 エクソンモービル・ケミカル・パテンツ・インク プロピレン−オレフィンコポリマー
JP2008544003A (ja) 2005-06-13 2008-12-04 バーゼル・ポリオレフィン・ゲーエムベーハー プロピレンを共重合するための方法
JP2015013995A (ja) 2007-07-13 2015-01-22 ダウ グローバル テクノロジーズ エルエルシー 制御されたブロック配列分布及び少なくとも一つの低結晶性ハードブロックを有する触媒オレフィンブロックコポリマー
JP2022520575A (ja) 2019-02-12 2022-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノレート)錯体およびオレフィン重合のための触媒としてのその使用
JP2023513582A (ja) 2020-02-11 2023-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノラート)触媒錯体を用いて得られるエチレン-アルファオレフィン-ジエンモノマーのコポリマー及びその生成のための均一プロセス
JP2023513581A (ja) 2020-02-11 2023-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノラート)触媒錯体を用いて得られるポリエチレン組成物及びその生成のための均一プロセス

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100844062B1 (ko) * 2001-02-21 2008-07-07 미쓰이 가가쿠 가부시키가이샤 올레핀 중합용 촉매 및 이 촉매를 사용하는 올레핀중합체의 제조방법
US6897276B2 (en) * 2002-04-24 2005-05-24 Symyx Technologies, Inc. Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
US8674040B2 (en) * 2008-07-25 2014-03-18 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
EP2743000A1 (en) * 2012-12-13 2014-06-18 Basell Poliolefine Italia S.r.l. Catalyst system for the preparation of polyolefins
US9458260B2 (en) * 2013-07-17 2016-10-04 Exxonmobil Chemical Patents Inc. Process using substituted metallocene catalysts and products therefrom
WO2016153682A1 (en) * 2015-03-24 2016-09-29 Exxonmobil Chemical Patents Inc. Bisphenolate transition metal complexes, production and use thereof
CN107922527A (zh) * 2015-08-31 2018-04-17 埃克森美孚化学专利公司 用于聚烯烃反应的具有悬垂烯烃的铝烷基
KR102121437B1 (ko) * 2016-08-23 2020-06-10 주식회사 엘지화학 신규한 리간드 화합물 및 이를 포함하는 전이금속 화합물
EP3529287A1 (en) * 2016-10-19 2019-08-28 ExxonMobil Chemical Patents Inc. Mixed catalyst systems and methods of using the same
US11248070B2 (en) * 2019-02-12 2022-02-15 Exxonmobil Chemical Patents Inc. Lewis base catalysts and methods thereof
US11203654B2 (en) * 2019-02-12 2021-12-21 Exxonmobil Chemical Patents Inc. Bis(aryl phenolate) lewis base catalysts and methods thereof
US11214634B2 (en) * 2019-02-12 2022-01-04 Exxonmobil Chemical Patents Inc. Lewis base catalysts and methods thereof
SG11202108010RA (en) * 2019-02-12 2021-08-30 Exxonmobil Chemical Patents Inc Lewis base catalysts and methods thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002519486A (ja) 1998-07-02 2002-07-02 エクソンモービル・ケミカル・パテンツ・インク プロピレン−オレフィンコポリマー
JP2008544003A (ja) 2005-06-13 2008-12-04 バーゼル・ポリオレフィン・ゲーエムベーハー プロピレンを共重合するための方法
JP2015013995A (ja) 2007-07-13 2015-01-22 ダウ グローバル テクノロジーズ エルエルシー 制御されたブロック配列分布及び少なくとも一つの低結晶性ハードブロックを有する触媒オレフィンブロックコポリマー
JP2022520575A (ja) 2019-02-12 2022-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノレート)錯体およびオレフィン重合のための触媒としてのその使用
JP2023513582A (ja) 2020-02-11 2023-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノラート)触媒錯体を用いて得られるエチレン-アルファオレフィン-ジエンモノマーのコポリマー及びその生成のための均一プロセス
JP2023513581A (ja) 2020-02-11 2023-03-31 エクソンモービル ケミカル パテンツ インコーポレイテッド 遷移金属ビス(フェノラート)触媒錯体を用いて得られるポリエチレン組成物及びその生成のための均一プロセス

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US20230348640A1 (en) 2023-11-02
CN115315453B (zh) 2024-08-30
WO2021162745A1 (en) 2021-08-19
CN115315453A (zh) 2022-11-08
EP4103630A1 (en) 2022-12-21
JP2023513765A (ja) 2023-04-03
KR20220139378A (ko) 2022-10-14

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