ES2620287T3 - Complejos de guanidinato y su uso como catalizadores de polimerización de transferencia de cadenas - Google Patents

Complejos de guanidinato y su uso como catalizadores de polimerización de transferencia de cadenas Download PDF

Info

Publication number
ES2620287T3
ES2620287T3 ES12004263.5T ES12004263T ES2620287T3 ES 2620287 T3 ES2620287 T3 ES 2620287T3 ES 12004263 T ES12004263 T ES 12004263T ES 2620287 T3 ES2620287 T3 ES 2620287T3
Authority
ES
Spain
Prior art keywords
phenyl
catalyst
ortho
oxygen
alcohols
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES12004263.5T
Other languages
English (en)
Spanish (es)
Inventor
Holger Ziehe
Thoralf Gross
Rhett Kempe
Winfried Kretschmer
Christian Hübner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sasol Olefins and Surfactants GmbH
Original Assignee
Sasol Olefins and Surfactants GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sasol Olefins and Surfactants GmbH filed Critical Sasol Olefins and Surfactants GmbH
Application granted granted Critical
Publication of ES2620287T3 publication Critical patent/ES2620287T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2282Unsaturated compounds used as ligands
    • B01J31/2295Cyclic compounds, e.g. cyclopentadienyls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/122Metal aryl or alkyl compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/14Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
    • B01J31/143Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron of aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00Aliphatic unsaturated hydrocarbons
    • C07C11/02Alkenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/02Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
    • C07C2/04Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
    • C07C2/06Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
    • C07C2/08Catalytic processes
    • C07C2/26Catalytic processes with hydrides or organic compounds
    • C07C2/32Catalytic processes with hydrides or organic compounds as complexes, e.g. acetyl-acetonates
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18Polyhydroxylic acyclic alcohols
    • C07C31/20Dihydroxylic alcohols
    • C07C31/202Ethylene glycol
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18Polyhydroxylic acyclic alcohols
    • C07C31/20Dihydroxylic alcohols
    • C07C31/2051,3-Propanediol; 1,2-Propanediol
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/003Compounds containing elements of Groups 4 or 14 of the Periodic Table without C-Metal linkages
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/28Titanium compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/10Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
    • B01J2231/12Olefin polymerisation or copolymerisation
    • B01J2231/122Cationic (co)polymerisation, e.g. single-site or Ziegler-Natta type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/40Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
    • B01J2231/46C-H or C-C activation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • B01J2231/76Dehydrogenation
    • B01J2231/766Dehydrogenation of -CH-CH- or -C=C- to -C=C- or -C-C- triple bond species
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/001General concepts, e.g. reviews, relating to catalyst systems and methods of making them, the concept being defined by a common material or method/theory
    • B01J2531/002Materials
    • B01J2531/007Promoter-type Additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/46Titanium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/48Zirconium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/49Hafnium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2531/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • C07C2531/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • C07C2531/22Organic complexes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08F4/52Metals; 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 selected from boron, aluminium, gallium, indium, thallium or rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES12004263.5T 2012-06-04 2012-06-04 Complejos de guanidinato y su uso como catalizadores de polimerización de transferencia de cadenas Active ES2620287T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12004263.5A EP2671639B1 (en) 2012-06-04 2012-06-04 Guanidinate complexes and their use as chain transfer polymerization catalysts

Publications (1)

Publication Number Publication Date
ES2620287T3 true ES2620287T3 (es) 2017-06-28

Family

ID=48570057

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12004263.5T Active ES2620287T3 (es) 2012-06-04 2012-06-04 Complejos de guanidinato y su uso como catalizadores de polimerización de transferencia de cadenas

Country Status (10)

Country Link
US (1) US9579640B2 (enExample)
EP (2) EP2671639B1 (enExample)
JP (1) JP2015525268A (enExample)
CN (1) CN104349840A (enExample)
BR (1) BR112014030113A2 (enExample)
CA (1) CA2874682A1 (enExample)
ES (1) ES2620287T3 (enExample)
PL (1) PL2671639T3 (enExample)
RU (1) RU2014149897A (enExample)
WO (1) WO2013182290A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2857423B1 (en) * 2013-10-07 2020-09-16 Arlanxeo Netherlands B.V. Catalyst system
BR112016012971B1 (pt) * 2013-12-19 2021-06-08 Dow Global Technologies Llc complexo de metal-ligante, catalisador e processo para preparar uma poliolefina
EP3037437A1 (en) * 2014-12-23 2016-06-29 SABIC Global Technologies B.V. Process for the preparation of a polyolefin having one or multiple end-functionalized branches.
EP3093280A1 (en) 2015-05-13 2016-11-16 Sasol Performance Chemicals GmbH Process for the oligomerisation of olefins by coordinative chain transfer polymerisation and catalyst synthesis
WO2016180539A1 (en) * 2015-05-13 2016-11-17 Sasol Performance Chemicals Gmbh PROCESS FOR THE MANUFACTURE OF A ZIRCONIUM GUANIDINATO ALKYL COMPOUND AND A DI-μ-HALOGEN-BRIDGED BIS GUANIDINATO TETRAHALOGEN DI ZIRCONIUM COMPOUND
CN104857989B (zh) * 2015-05-27 2017-03-01 山西大学 一种双胍基铝金属催化剂及其制备方法和应用
JP6916808B2 (ja) * 2016-03-31 2021-08-11 ダウ グローバル テクノロジーズ エルエルシー オレフィン重合触媒
US11939137B2 (en) 2018-11-30 2024-03-26 Dow Global Technologies Llc Flexible container with dispensing pump
SG11202112062PA (en) 2019-05-31 2021-11-29 Dow Global Technologies Llc Monobindentate, bis-bidentate, and tetrabidentate guanidine group iv transition metal olefin copolymerization catalysts

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419352A (en) 1964-12-02 1968-12-31 Continental Oil Co Process for producing alpha alumina monohydrate
US3641085A (en) 1969-05-01 1972-02-08 Continental Oil Co Oxidation of aluminum alkyls
US3660447A (en) 1969-07-18 1972-05-02 Ethyl Corp Process of oxidizing aluminum alkyls
US5153157A (en) 1987-01-30 1992-10-06 Exxon Chemical Patents Inc. Catalyst system of enhanced productivity
PL276385A1 (en) 1987-01-30 1989-07-24 Exxon Chemical Patents Inc Method for polymerization of olefines,diolefins and acetylene unsaturated compounds
EP0329891A2 (en) 1988-02-23 1989-08-30 Petrolite Corporation End-functionalized low molecular weight polymers of ethylene
US5043515A (en) * 1989-08-08 1991-08-27 Shell Oil Company Ethylene oligomerization catalyst and process
US5064802A (en) 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds
JP2545006B2 (ja) 1990-07-03 1996-10-16 ザ ダウ ケミカル カンパニー 付加重合触媒
US5721185A (en) 1991-06-24 1998-02-24 The Dow Chemical Company Homogeneous olefin polymerization catalyst by abstraction with lewis acids
US5502128A (en) 1994-12-12 1996-03-26 University Of Massachusetts Group 4 metal amidinate catalysts and addition polymerization process using same
FI102476B1 (fi) 1996-05-31 1998-12-15 Borealis As Uudet siirtymämetallikompleksit ja menetelmä niiden valmistamiseksi
JP3588665B2 (ja) * 1996-06-04 2004-11-17 東ソー株式会社 遷移金属錯体を用いたオレフィン重合触媒およびそれを用いたポリオレフィンの製造法
US5777120A (en) 1997-03-14 1998-07-07 University Of Iowa Research Foundation Cationic aluminum alkyl complexes incorporating amidinate ligands as polymerization catalysts
US7589150B2 (en) * 2000-12-12 2009-09-15 Baker Hughes Incorporated Low molecular weight isotactic polypropylene polymers, copolymers and derivatives and materials prepared therewith
DE102004030080A1 (de) * 2004-06-22 2006-01-12 Sasol Germany Gmbh Verfahren zur Herstellung primärer langkettiger Alkohole
US20100209610A1 (en) * 2007-07-16 2010-08-19 Advanced Technology Materials, Inc. Group iv complexes as cvd and ald precursors for forming metal-containing thin films
CN102432700A (zh) 2011-09-01 2012-05-02 山西大学 桥联双脒基钛金属催化剂及其制备方法和应用
US20130131294A1 (en) * 2011-11-21 2013-05-23 John R. Hagadorn Amidinate Catalyst Compounds, Process for Their Use and Polymers Produced Therefrom

Also Published As

Publication number Publication date
JP2015525268A (ja) 2015-09-03
US9579640B2 (en) 2017-02-28
US20150148505A1 (en) 2015-05-28
RU2014149897A (ru) 2016-08-10
PL2671639T3 (pl) 2017-07-31
BR112014030113A2 (pt) 2017-06-27
EP2671639A1 (en) 2013-12-11
EP2855015A1 (en) 2015-04-08
CA2874682A1 (en) 2013-12-12
CN104349840A (zh) 2015-02-11
EP2671639B1 (en) 2017-01-11
WO2013182290A1 (en) 2013-12-12

Similar Documents

Publication Publication Date Title
ES2620287T3 (es) Complejos de guanidinato y su uso como catalizadores de polimerización de transferencia de cadenas
US6333423B1 (en) Ultra-high activity non-metallocene pre-catalyst and method for catalytic polymerization of alpha-olefin monomers
EP1370591B1 (en) Active non-metallocene pre-catalyst and method for tactic catalytic polymerization of alpha-olefin monomers
AU764658B2 (en) Production of half-sandwich substituted catalyst precursors
Haddad et al. Synthesis and structure of neutral and cationic aluminum complexes supported by bidentate O, P-phosphinophenolate ligands and their reactivity with propylene oxide and ε-caprolactone
KR101676835B1 (ko) 리간드 화합물, 올레핀 올리고머화용 촉매계, 및 이를 이용한 올레핀 올리고머화 방법
US6825296B2 (en) Catalyst component for olefin polymerization
CN104955829A (zh) 配体化合物、用于烯烃低聚反应的催化剂体系及使用其的烯烃低聚方法
KR20140126613A (ko) 폴리올레핀 중합용 촉매의 제조 방법 및 폴리올레핀 제조방법
EP2803670B1 (en) Ligand compound, chromium compound, and catalyst system comprising same
EP1997834A1 (en) Catalysts
US20180280951A1 (en) Process for the Oligomerisation of Olefins by Coordinative Chain Transfer Polymerisation
US6221985B1 (en) Solution polymerization of ethylene
US20030166454A1 (en) Heterocyclic-amide catalyst compositions for the polymerization of olefins
EP3093280A1 (en) Process for the oligomerisation of olefins by coordinative chain transfer polymerisation and catalyst synthesis
US6015766A (en) Catalyst systems for olefin polymerization based on metallocene complexes and oligoalkylaluminates with sterically hindered alkyl groups as cocatalysts
KR102888777B1 (ko) 전자 당김 그룹을 갖는 금속-리간드 착체, 이를 포함하는 에틸렌계 중합체 제조용 촉매 조성물 및 이를 이용한 에틸렌계 중합체의 제조방법
KR100359027B1 (ko) 1,3-프로필렌 디아미드 지르코늄 착물의 제조방법
Cui Novel Oxovanadium Complexes with Alkoxy, Ketone, and Alcohol Ligands: Syntheses, Characterization and Catalysis
KR19990074258A (ko) 중합 촉매 및 그 제조방법